/* roulang page: index */
:root{
  --night:#1B1738;
  --indigo:#2B2557;
  --violet:#4B3C8F;
  --teal:#3FB8AF;
  --gold:#F2B45C;
  --lilac:#EDE9FA;
  --lilac-2:#F1EEFB;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --ink:#201C33;
  --ink-2:#625D78;
  --ink-3:#8E89A3;
  --line:#E5E1F1;
  --err:#C4544F;
  --grad:linear-gradient(120deg,#241E4E 0%,#4B3C8F 55%,#2F6F78 100%);
  --shadow-sm:0 10px 30px rgba(27,23,56,.06);
  --shadow-md:0 18px 42px rgba(27,23,56,.12);
  --r-lg:26px;
  --r-md:16px;
  --r-sm:14px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
html body img{max-width:100%;display:block}
html body a{color:inherit;text-decoration:none}
html body button{font-family:inherit;cursor:pointer}
html body input,html body select,html body textarea{font-family:inherit;font-size:15px;color:var(--ink)}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(27,23,56,.10)}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;letter-spacing:1px;box-shadow:0 6px 16px rgba(75,60,143,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:700;letter-spacing:.5px;color:var(--indigo)}
.brand-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.4px}
.nav-search{position:relative;flex:0 1 320px;min-width:180px;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;color:var(--ink-3);font-size:13px}
.nav-search input{width:100%;height:38px;padding:0 14px 0 38px;border:1px solid var(--line);border-radius:999px;background:#FBFAFE;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{background:#fff;border-color:var(--teal);box-shadow:0 0 0 3px rgba(63,184,175,.18)}
.topbar-hot{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.hot-label{font-size:12.5px;color:var(--ink-3);white-space:nowrap}
.hot-chip{padding:4px 11px;border-radius:999px;background:var(--lilac-2);border:1px solid #DDD6F3;color:var(--violet);font-size:12.5px;white-space:nowrap;transition:background .2s,color .2s,border-color .2s}
.hot-chip:hover{background:rgba(63,184,175,.14);border-color:rgba(63,184,175,.5);color:#26736D}
.help-link{font-size:14px;color:var(--ink-2);white-space:nowrap;padding:6px 2px;border-bottom:1px solid transparent;transition:color .2s}
.help-link:hover{color:var(--violet)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--indigo);font-size:16px;align-items:center;justify-content:center}
.navbar{border-top:1px solid var(--line);background:#fff}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:46px}
.channels{display:flex;align-items:center;gap:30px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{position:relative;font-size:15px;color:var(--ink-2);padding:11px 2px;white-space:nowrap;transition:color .2s}
.channel::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.channel:hover{color:var(--violet)}
.channel:hover::after,.channel.active::after{transform:scaleX(1)}
.channel.active{color:var(--violet);font-weight:600}
.trend-link{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--ink-3);white-space:nowrap;transition:color .2s,gap .2s}
.trend-link:hover{color:var(--teal);gap:10px}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:120;background:#fff;transform:translateX(100%);transition:transform .3s ease;display:none;flex-direction:column;padding:18px 20px 32px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--indigo);font-size:16px}
.drawer-search{position:relative;margin:18px 0}
.drawer-search i{position:absolute;left:14px;top:14px;color:var(--ink-3);font-size:13px}
.drawer-search input{width:100%;height:46px;padding:0 14px 0 38px;border:1px solid var(--line);border-radius:var(--r-sm);background:#FBFAFE;outline:none}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
.drawer-nav a.active{color:var(--violet);font-weight:600}
.drawer-block-title{font-size:12.5px;color:var(--ink-3);margin:22px 0 10px;letter-spacing:.6px}
.drawer-hot{display:flex;flex-wrap:wrap;gap:10px}
.drawer-hot a{padding:8px 14px;border-radius:999px;background:var(--lilac-2);border:1px solid #DDD6F3;color:var(--violet);font-size:13px}
.drawer-contact{margin-top:26px;padding:18px;border-radius:var(--r-md);background:var(--lilac);border:1px solid #DDD6F3;font-size:14px;color:var(--ink-2)}
.drawer-contact strong{display:block;color:var(--indigo);font-size:15px;margin-bottom:6px}

/* ---------- 通用按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease}
.btn i{font-size:13px;transition:transform .2s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(75,60,143,.28)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 34px rgba(75,60,143,.34)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--violet);border-color:#D8D2EC}
.btn-ghost:hover{background:var(--lilac);border-color:#C4B9E8;transform:translateY(-2px)}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--violet);transition:color .2s,gap .2s}
.text-link i{font-size:12px;transition:transform .2s}
.text-link:hover{color:#26736D;gap:12px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--lilac-2);border:1px solid #DDD6F3;color:var(--violet);font-size:12.5px;font-weight:600}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.8px;color:var(--teal);font-weight:700;text-transform:uppercase}
.section-tag::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--teal)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-title{margin:10px 0 12px;font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.01em;color:var(--indigo)}
.section-desc{margin:0;max-width:620px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--night);color:#fff}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(115deg,rgba(27,23,56,.94) 0%,rgba(43,37,87,.88) 45%,rgba(47,111,120,.72) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(1.6px 1.6px at 18% 26%,rgba(255,255,255,.55),transparent),radial-gradient(1.4px 1.4px at 72% 18%,rgba(242,180,92,.55),transparent),radial-gradient(1.4px 1.4px at 84% 68%,rgba(255,255,255,.45),transparent),radial-gradient(1.2px 1.2px at 38% 78%,rgba(63,184,175,.6),transparent);opacity:.7}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:560px;padding-top:72px;padding-bottom:72px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font-size:13px;color:#EDE9FA;letter-spacing:.3px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(63,184,175,.22)}
.hero-title{margin:22px 0 0;font-size:44px;line-height:1.18;font-weight:700;letter-spacing:-.02em;color:#fff}
.hero-sub{margin:18px 0 0;font-size:18px;color:#D7D2EC;font-weight:500;line-height:1.6}
.hero-desc{margin:14px 0 0;max-width:560px;font-size:15px;line-height:1.9;color:#B9B3D0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin:30px 0 0;padding:22px 0 0;border-top:1px dashed rgba(255,255,255,.18)}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#C8C3E2}
.hero-trust i{color:var(--teal);font-size:13px}
.hero-card{position:relative}
.mock-window{border-radius:var(--r-lg);background:rgba(255,255,255,.97);box-shadow:0 30px 70px rgba(11,8,32,.45);overflow:hidden}
.mock-bar{display:flex;align-items:center;gap:7px;padding:13px 18px;border-bottom:1px solid var(--line);background:#FBFAFE}
.mock-bar span{width:9px;height:9px;border-radius:50%;background:#E0DBF2}
.mock-bar span:first-child{background:#F2B45C}
.mock-bar span:nth-child(2){background:#3FB8AF}
.mock-bar em{margin-left:auto;font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.5px}
.mock-body{padding:24px 24px 26px}
.mock-line{height:10px;border-radius:6px;background:#EDE9FA;margin-bottom:18px}
.mock-line.w-40{width:42%}
.mock-input{display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:#FBFAFE;color:var(--ink-3);font-size:13.5px;margin-bottom:12px}
.mock-input i{font-size:12px;color:#B4AECB}
.mock-btn{height:46px;border-radius:999px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;letter-spacing:.5px;margin-top:6px}
.mock-steps{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0}
.mock-steps li{font-size:12px;color:var(--violet);background:var(--lilac-2);border:1px solid #DDD6F3;border-radius:999px;padding:4px 11px}
.hero-badge{position:absolute;right:-8px;bottom:-22px;display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:18px;background:#fff;box-shadow:0 18px 40px rgba(11,8,32,.35)}
.hero-badge strong{font-size:24px;color:var(--indigo);font-variant-numeric:tabular-nums;line-height:1}
.hero-badge span{font-size:12.5px;color:var(--ink-2)}

/* ---------- 服务 ---------- */
.svc-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.svc-col{display:grid;gap:24px}
.svc-card{position:relative;display:block;padding:30px 32px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D5CDED}
.svc-num{position:absolute;top:20px;right:26px;font-size:44px;font-weight:700;color:#EFEBFA;font-variant-numeric:tabular-nums;line-height:1}
.svc-icon{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:var(--lilac);color:var(--violet);font-size:17px;margin-bottom:18px}
.svc-title{position:relative;margin:0 0 10px;font-size:20px;font-weight:600;color:var(--indigo)}
.svc-text{margin:0 0 16px;font-size:14.5px;color:var(--ink-2);line-height:1.85;max-width:420px}
.svc-card.tall{display:flex;flex-direction:column;background:var(--grad);color:#fff;border:none}
.svc-card.tall .svc-num{color:rgba(255,255,255,.16)}
.svc-card.tall .svc-icon{background:rgba(255,255,255,.14);color:#fff}
.svc-card.tall .svc-title{color:#fff}
.svc-card.tall .svc-text{color:#C8C3E2;max-width:100%}
.svc-card.tall .text-link{color:var(--gold)}
.svc-card.tall .text-link:hover{color:#fff}
.svc-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:20px;border-top:1px dashed rgba(255,255,255,.2)}
.svc-foot small{font-size:12.5px;color:#B9B3D0}

/* ---------- 数据带 ---------- */
.stats{position:relative;overflow:hidden;background:var(--grad);color:#fff}
.stats::before{content:"";position:absolute;inset:0;background-image:radial-gradient(1.5px 1.5px at 12% 30%,rgba(255,255,255,.5),transparent),radial-gradient(1.3px 1.3px at 46% 70%,rgba(242,180,92,.6),transparent),radial-gradient(1.3px 1.3px at 78% 24%,rgba(63,184,175,.6),transparent);opacity:.6}
.stats-inner{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:56px 0}
.stat-item{padding:0 28px;border-left:1px dashed rgba(255,255,255,.18)}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-num{display:flex;align-items:baseline;gap:4px;font-size:40px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff}
.stat-num em{font-style:normal;font-size:16px;font-weight:600;color:var(--teal)}
.stat-label{margin-top:10px;font-size:13.5px;color:#C8C3E2}
.stat-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:8px;vertical-align:middle}

/* ---------- 案例 ---------- */
.case-grid{display:grid;gap:28px}
.case-card{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r-lg);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.case-card.reverse .case-media{order:2}
.case-media{position:relative;min-height:260px;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center}
.case-title{margin:14px 0 12px;font-size:21px;font-weight:600;color:var(--indigo);line-height:1.5}
.case-text{margin:0 0 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 方案 ---------- */
.plan-wrap{display:grid;grid-template-columns:4fr 8fr;gap:32px;align-items:start}
.plan-tabs{display:flex;flex-direction:column;gap:12px}
.plan-tab{position:relative;text-align:left;padding:20px 22px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;transition:background .2s,border-color .2s,transform .2s}
.plan-tab strong{display:block;font-size:16px;font-weight:600;color:var(--indigo);margin-bottom:6px}
.plan-tab span{display:block;font-size:13px;color:var(--ink-3);line-height:1.7}
.plan-tab:hover{transform:translateX(3px);border-color:#D5CDED}
.plan-tab.active{background:var(--lilac);border-color:#D5CDED;box-shadow:var(--shadow-sm)}
.plan-tab.active::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--grad)}
.plan-panels{position:relative}
.plan-panel{display:none;padding:36px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.plan-panel.active{display:block;animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.plan-panel h3{margin:0 0 12px;font-size:22px;font-weight:700;color:var(--indigo)}
.plan-panel p.lead{margin:0 0 22px;font-size:15px;color:var(--ink-2);line-height:1.9}
.plan-points{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:12px}
.plan-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-2)}
.plan-points i{color:var(--teal);font-size:13px;margin-top:5px}
.plan-panel-foot{display:flex;flex-wrap:wrap;align-items:center;gap:18px;padding-top:22px;border-top:1px solid var(--line)}
.plan-mini{display:flex;gap:14px;align-items:center;flex:1;min-width:220px}
.plan-mini img{width:96px;height:64px;object-fit:cover;border-radius:12px}
.plan-mini small{font-size:12.5px;color:var(--ink-3);display:block;line-height:1.7}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.news-feature{border-radius:var(--r-lg);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.news-feature-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#2B2557,#4B3C8F)}
.news-feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-feature:hover .news-feature-cover img{transform:scale(1.04)}
.news-feature-body{padding:26px 28px 30px}
.news-feature-title{margin:14px 0 10px;font-size:21px;font-weight:600;line-height:1.5;color:var(--indigo)}
.news-feature-title a{transition:color .2s}
.news-feature-title a:hover{color:var(--violet)}
.news-feature-desc{margin:0 0 16px;font-size:14.5px;color:var(--ink-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--ink-3)}
.news-list{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.news-list li+li{border-top:1px solid var(--line)}
.news-list a{display:flex;align-items:center;gap:16px;padding:20px 24px;transition:background .2s}
.news-list a:hover{background:var(--lilac-2)}
.news-date{flex:0 0 76px;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;line-height:1.5}
.news-list-body{flex:1;min-width:0}
.news-list-cat{display:inline-block;font-size:11.5px;color:var(--violet);background:var(--lilac-2);border:1px solid #DDD6F3;border-radius:999px;padding:1px 9px;margin-bottom:6px}
.news-list-title{display:block;font-size:14.5px;font-weight:600;color:var(--indigo);line-height:1.6;transition:color .2s}
.news-list a:hover .news-list-title{color:var(--violet)}
.news-list a i{color:var(--ink-3);font-size:12px;transition:transform .2s,color .2s}
.news-list a:hover i{transform:translateX(4px);color:var(--teal)}
.news-empty{padding:56px 24px;text-align:center;border:1px dashed #CFC7E8;border-radius:var(--r-lg);background:#fff;color:var(--ink-2);font-size:15px}
.news-empty a{color:var(--violet);font-weight:600;margin-left:6px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:132px}
.faq-side-title{margin:12px 0 14px;font-size:28px;font-weight:700;line-height:1.4;color:var(--indigo)}
.faq-side-text{margin:0 0 24px;font-size:14.5px;color:var(--ink-2);line-height:1.9}
.faq-side-card{padding:20px 22px;border-radius:var(--r-md);background:var(--lilac);border:1px solid #DDD6F3}
.faq-side-card strong{display:block;font-size:15px;color:var(--indigo);margin-bottom:6px}
.faq-side-card p{margin:0 0 14px;font-size:13px;color:var(--ink-2);line-height:1.8}
.faq-list{display:grid;gap:12px}
.faq-item{border-radius:var(--r-md);border:1px solid var(--line);background:#fff;overflow:hidden;transition:border-color .2s,background .2s,box-shadow .2s}
.faq-item[open]{background:#FCFAFF;border-color:#D5CDED;box-shadow:var(--shadow-sm)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{margin:0;font-size:16px;font-weight:600;color:var(--indigo);line-height:1.6}
.faq-plus{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--lilac-2);border:1px solid #DDD6F3;transition:transform .25s ease,background .25s ease}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;top:50%;left:50%;background:var(--violet);border-radius:2px;transform:translate(-50%,-50%)}
.faq-plus::before{width:10px;height:2px}
.faq-plus::after{width:2px;height:10px;transition:opacity .25s ease}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:rgba(63,184,175,.18);border-color:rgba(63,184,175,.5)}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.9}
.faq-a p{margin:0}

/* ---------- 联系 ---------- */
.contact-wrap{display:grid;grid-template-columns:5fr 7fr;gap:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);background:#fff}
.contact-info{position:relative;padding:46px 40px;background:var(--grad);color:#fff;display:flex;flex-direction:column}
.contact-info::after{content:"";position:absolute;inset:0;background-image:radial-gradient(1.4px 1.4px at 24% 22%,rgba(255,255,255,.5),transparent),radial-gradient(1.4px 1.4px at 76% 62%,rgba(242,180,92,.5),transparent);opacity:.6;pointer-events:none}
.contact-info>*{position:relative;z-index:2}
.contact-info h2{margin:14px 0 14px;font-size:26px;line-height:1.45;font-weight:700;color:#fff}
.contact-info p{margin:0 0 26px;font-size:14.5px;line-height:1.9;color:#C8C3E2}
.contact-points{list-style:none;margin:0 0 28px;padding:0;display:grid;gap:14px}
.contact-points li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:#E2DEF2}
.contact-points i{width:28px;height:28px;border-radius:9px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--teal);flex-shrink:0}
.contact-note{margin-top:auto;padding-top:22px;border-top:1px dashed rgba(255,255,255,.2);font-size:12.5px;color:#B9B3D0;line-height:1.8}
.contact-form{padding:46px 40px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--r-sm);background:#FBFAFE;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.field textarea{min-height:120px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{background:#fff;border-color:var(--teal);box-shadow:0 0 0 3px rgba(63,184,175,.16)}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.8;margin:6px 0 22px}
.check-line input{width:18px;height:18px;min-height:18px;margin-top:3px;accent-color:#4B3C8F}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:#1B1738;color:#B9B3D0;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--grad);box-shadow:none}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:#8E89A3}
.footer-about{font-size:13.5px;line-height:1.95;color:#9C96B8;margin:0 0 20px;max-width:320px}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px}
.footer-chips span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#B9B3D0}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin:6px 0 18px;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{font-size:14px;color:#B9B3D0;transition:color .2s}
.footer-col a:hover{color:var(--teal)}
.footer-contact{display:grid;gap:12px;font-size:13.5px;color:#B9B3D0;line-height:1.8}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--teal);font-size:13px;margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:12.5px;color:#8E89A3}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{transition:color .2s}
.footer-bottom a:hover{color:var(--teal)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
}
@media (max-width:1023px){
  .topbar-hot,.help-link{display:none}
  .nav-search{display:none}
  .menu-btn{display:inline-flex;margin-left:auto}
  .brand-text .brand-sub{font-size:10.5px}
  .hero-inner{grid-template-columns:1fr;gap:48px;min-height:0;padding-top:56px;padding-bottom:64px}
  .hero-title{font-size:36px}
  .hero-badge{right:auto;left:16px;bottom:-20px}
  .svc-grid{grid-template-columns:1fr}
  .stats-inner{grid-template-columns:repeat(2,1fr);row-gap:34px;padding:44px 0}
  .stat-item:nth-child(3){border-left:none;padding-left:0}
  .case-card{grid-template-columns:1fr}
  .case-card.reverse .case-media{order:0}
  .case-media{min-height:220px}
  .plan-wrap{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .contact-wrap{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 36px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .section-title{font-size:24px}
  .hero-title{font-size:30px;line-height:1.25}
  .hero-sub{font-size:16px}
  .hero-desc{font-size:14.5px}
  .hero-crew{display:none}
  .hero-actions .btn{flex:1;min-width:150px;padding:0 16px}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:32px 22px}
  .contact-info{padding:34px 24px}
  .plan-panel{padding:26px 22px}
  .case-body{padding:26px 22px}
  .news-feature-body{padding:22px 20px 26px}
  .news-list a{padding:16px 18px;gap:12px}
  .news-date{flex-basis:62px;font-size:12px}
  .svc-card{padding:24px 22px}
  .svc-card.tall .svc-foot{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-inner{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .container{padding:0 18px}
  .stats-inner{grid-template-columns:1fr 1fr;row-gap:28px}
  .stat-item{padding:0 14px}
  .stat-num{font-size:30px}
  .hero-trust{gap:8px 14px}
  .hero-trust li{font-size:12.5px}
  .mock-body{padding:18px}
  .plan-tab{padding:16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#201C33;
  --ink-2:#625D78;
  --ink-3:#8E89A3;
  --line:#E5E1F1;
  --line-2:#D8D2EC;
  --night:#1B1738;
  --indigo:#2B2557;
  --violet:#4B3C8F;
  --teal:#3FB8AF;
  --gold:#F2B45C;
  --lilac:#EDE9FA;
  --lilac-2:#F1EEFB;
  --bg:#F7F6FB;
  --white:#FFFFFF;
  --danger:#C4544F;
  --brand-grad:linear-gradient(120deg,#241E4E 0%,#4B3C8F 55%,#2F6F78 100%);
  --shadow-sm:0 10px 30px rgba(27,23,56,.06);
  --shadow-md:0 16px 40px rgba(27,23,56,.12);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.scrolled{box-shadow:0 10px 30px rgba(27,23,56,.09);}
.topbar-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;font-size:17px;font-weight:700;display:grid;place-items:center;line-height:1;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.04em;}
.nav-search{position:relative;display:flex;align-items:center;gap:8px;width:320px;max-width:100%;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;transition:.2s ease;}
.nav-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px rgba(63,184,175,.15);}
.nav-search i{color:var(--ink-3);font-size:13px;}
.nav-search input{flex:1;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink);min-width:0;}
.nav-search input::placeholder{color:var(--ink-3);}
.topbar-hot{display:flex;align-items:center;gap:8px;margin-left:auto;}
.hot-label{font-size:13px;color:var(--ink-3);white-space:nowrap;}
.hot-chip{font-size:12px;padding:5px 12px;border-radius:999px;background:var(--lilac);color:var(--violet);white-space:nowrap;}
.hot-chip:hover{background:#D9F1EE;color:#1F6F6A;}
.help-link{font-size:13px;color:var(--ink-2);padding:8px 14px;border-radius:999px;border:1px solid var(--line-2);white-space:nowrap;}
.help-link:hover{background:var(--lilac);color:var(--violet);}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:16px;}
.menu-btn:hover{background:var(--lilac);color:var(--violet);}
.navbar{border-top:1px solid var(--line);background:#fff;}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:44px;gap:16px;}
.channels{display:flex;align-items:center;gap:26px;overflow-x:auto;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.channel{position:relative;font-size:14px;color:var(--ink-2);line-height:44px;white-space:nowrap;}
.channel::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.channel:hover{color:var(--violet);}
.channel:hover::after,.channel.active::after{transform:scaleX(1);}
.channel.active{color:var(--violet);font-weight:600;}
.trend-link{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);white-space:nowrap;}
.trend-link:hover{color:var(--teal);}
.trend-link i{transition:transform .2s ease;}
.trend-link:hover i{transform:translateX(4px);}

/* 移动抽屉 */
.mobile-drawer{position:fixed;left:0;right:0;top:64px;bottom:0;background:#fff;z-index:70;padding:20px 24px 48px;overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity .22s ease,transform .22s ease;display:none;}
.mobile-drawer.open{opacity:1;transform:none;pointer-events:auto;}
.drawer-search{display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:14px;margin-bottom:22px;}
.drawer-search i{color:var(--ink-3);}
.drawer-search input{border:0;outline:0;width:100%;font-size:14px;background:transparent;}
.drawer-title{font-size:12px;letter-spacing:.16em;color:var(--ink-3);margin:0 0 10px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;font-size:15px;color:var(--ink);border:1px solid transparent;}
.drawer-links a:hover,.drawer-links a.active{background:var(--lilac);color:var(--violet);border-color:var(--line-2);}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 文章头 ============ */
.article-breadcrumb{padding:26px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.article-breadcrumb a{color:var(--ink-2);}
.article-breadcrumb a:hover{color:var(--violet);}
.article-breadcrumb .sep{color:#C7C1DA;}
.article-breadcrumb .current{color:var(--ink-3);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{padding:18px 0 34px;border-bottom:1px solid var(--line);}
.badge-cat{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--violet);background:var(--lilac-2);border:1px solid #DDD6F3;border-radius:999px;padding:6px 14px;}
.badge-cat .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);display:inline-block;}
.article-title{font-size:34px;line-height:44px;font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:18px 0 16px;max-width:900px;}
.article-summary{font-size:16px;line-height:30px;color:var(--ink-2);max-width:820px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:22px;font-size:13px;color:var(--ink-3);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--teal);font-size:12px;}

/* ============ 主体 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:48px;padding:44px 0 76px;align-items:start;}
.article-body{max-width:760px;font-size:17px;line-height:32px;color:#332F47;word-break:break-word;}
.article-body p{margin:0 0 18px;}
.article-body h2{position:relative;font-size:24px;line-height:34px;font-weight:700;color:var(--ink);margin:42px 0 18px;padding-left:16px;}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand-grad);}
.article-body h3{font-size:19px;line-height:28px;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.article-body h4{font-size:17px;line-height:28px;font-weight:600;color:var(--ink);margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:revert;}
.article-body li{margin:6px 0;}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--lilac);border-left:4px solid var(--teal);border-radius:12px;color:var(--ink-2);font-size:16px;line-height:30px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;line-height:22px;text-align:center;color:var(--ink-3);margin-top:10px;}
.article-body table{display:block;overflow-x:auto;width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th{background:var(--lilac-2);text-align:left;padding:12px 14px;border:1px solid var(--line);font-weight:600;white-space:nowrap;}
.article-body td{padding:12px 14px;border:1px solid var(--line);}
.article-body a{color:var(--violet);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--teal);}
.article-body hr{border:0;border-top:1px dashed var(--line-2);margin:32px 0;}

/* 空态 */
.empty-state{max-width:760px;background:#fff;border:1px dashed var(--line-2);border-radius:var(--radius-lg);padding:48px 32px;text-align:center;box-shadow:var(--shadow-sm);}
.empty-state h2{font-size:22px;line-height:32px;font-weight:700;margin-bottom:10px;color:var(--ink);}
.empty-state p{font-size:15px;line-height:28px;color:var(--ink-2);margin-bottom:22px;}

/* 按钮 */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:999px;background:var(--brand-grad);color:#fff;font-size:15px;font-weight:600;box-shadow:0 10px 24px rgba(75,60,143,.22);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 32px rgba(75,60,143,.28);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:999px;background:#fff;border:1px solid var(--line-2);color:var(--violet);font-size:15px;font-weight:600;transition:.2s ease;}
.btn-ghost:hover{background:var(--lilac);border-color:#C9C0E8;transform:translateY(-2px);color:var(--violet);}

/* 标签 */
.tag-block{max-width:760px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.tag-block h2{font-size:15px;font-weight:600;color:var(--ink-2);margin-bottom:14px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-list a{font-size:13px;padding:7px 14px;border-radius:999px;background:var(--lilac-2);border:1px solid #DDD6F3;color:var(--violet);}
.tag-list a:hover{background:#D9F1EE;border-color:#B7E4DF;color:#1F6F6A;}

/* 文章内 CTA */
.article-cta{max-width:760px;margin-top:36px;border-radius:var(--radius-lg);background:var(--brand-grad);color:#fff;padding:32px;position:relative;overflow:hidden;}
.article-cta::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 18% 24%,rgba(255,255,255,.5) 1px,transparent 1.4px),radial-gradient(circle at 62% 72%,rgba(242,180,92,.5) 1px,transparent 1.4px),radial-gradient(circle at 86% 18%,rgba(255,255,255,.4) 1px,transparent 1.4px);background-size:120px 120px,160px 160px,90px 90px;opacity:.5;pointer-events:none;}
.article-cta h2{font-size:21px;line-height:32px;font-weight:700;margin-bottom:10px;position:relative;}
.article-cta p{font-size:14px;line-height:26px;color:rgba(255,255,255,.82);margin-bottom:20px;max-width:520px;position:relative;}
.article-cta .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;}
.article-cta .btn-solid{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 22px;border-radius:999px;background:#fff;color:var(--indigo);font-size:14px;font-weight:600;transition:.2s ease;}
.article-cta .btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.article-cta .btn-line{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 22px;border-radius:999px;border:1px solid rgba(255,255,255,.42);color:#fff;font-size:14px;font-weight:600;transition:.2s ease;}
.article-cta .btn-line:hover{background:rgba(255,255,255,.14);}

/* 侧栏 */
.side-sticky{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm);}
.side-head{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:14px;}
.side-head i{color:var(--teal);font-size:13px;}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto;}
.toc-link{display:block;font-size:13px;line-height:22px;color:var(--ink-2);padding:6px 10px;border-left:2px solid var(--line);border-radius:0 8px 8px 0;transition:.18s ease;}
.toc-link:hover{color:var(--violet);background:var(--lilac);border-left-color:var(--teal);}
.toc-link.toc-sub{padding-left:24px;font-size:12.5px;color:var(--ink-3);}
.toc-empty{font-size:13px;color:var(--ink-3);line-height:24px;}
.side-rec{display:flex;flex-direction:column;gap:14px;}
.side-rec a{display:flex;gap:12px;align-items:flex-start;}
.side-rec img{width:64px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 auto;}
.side-rec .rec-txt{display:flex;flex-direction:column;gap:2px;min-width:0;}
.side-rec .rec-tag{font-size:11px;color:var(--teal);}
.side-rec .rec-title{font-size:13.5px;line-height:22px;color:var(--ink);}
.side-rec a:hover .rec-title{color:var(--violet);}
.side-help{background:var(--lilac-2);border:1px solid #DDD6F3;}
.side-help p{font-size:13px;line-height:24px;color:var(--ink-2);margin-bottom:14px;}
.side-help .btn-ghost{width:100%;min-height:42px;font-size:14px;}
.toc-mobile{display:none;}

/* ============ 页脚 ============ */
.site-footer{background:var(--night);color:#B9B3D0;position:relative;margin-top:8px;}
.site-footer::before{content:"";display:block;height:1px;background:var(--brand-grad);}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.4fr;gap:40px;padding:62px 0 46px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand-grad);}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:#9A93B8;}
.footer-about{font-size:14px;line-height:26px;color:#B9B3D0;max-width:340px;}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-chips span{font-size:12px;padding:4px 11px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#DCD7EC;}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:#B9B3D0;}
.footer-col ul a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:24px;color:#B9B3D0;}
.footer-contact i{color:var(--teal);margin-top:5px;flex:0 0 auto;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#8F88AB;}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:#8F88AB;font-size:13px;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
}
@media (max-width:1023px){
  .nav-search,.topbar-hot,.help-link{display:none;}
  .menu-btn{display:flex;margin-left:auto;}
  .mobile-drawer{display:block;}
  .article-layout{grid-template-columns:1fr;gap:32px;padding:32px 0 56px;}
  .side-sticky{position:static;}
  .article-body,.article-summary,.tag-block,.article-cta{max-width:100%;}
  .toc-mobile{display:block;margin-bottom:8px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:4px 18px;box-shadow:var(--shadow-sm);}
  .toc-mobile summary{cursor:pointer;font-size:14px;font-weight:600;color:var(--ink);padding:14px 0;list-style:none;display:flex;align-items:center;gap:8px;}
  .toc-mobile summary::-webkit-details-marker{display:none;}
  .toc-mobile summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;margin-left:auto;color:var(--ink-3);transition:transform .2s ease;}
  .toc-mobile[open] summary::after{transform:rotate(180deg);}
  .toc-mobile .toc-list{padding-bottom:14px;max-height:none;}
  .side-card.toc-desktop{display:none;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:34px;padding:48px 0 36px;}
  .footer-about{max-width:100%;}
}
@media (max-width:767px){
  .article-title{font-size:27px;line-height:38px;}
  .article-summary{font-size:15px;line-height:28px;}
  .article-body{font-size:16px;line-height:30px;}
  .article-body h2{font-size:21px;line-height:31px;margin-top:34px;}
  .article-body h3{font-size:18px;line-height:28px;}
  .article-cta{padding:26px 22px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .topbar-inner{height:60px;gap:12px;}
  .mobile-drawer{top:60px;padding:18px 18px 40px;}
  .brand-sub{font-size:10.5px;}
  .article-breadcrumb{padding-top:20px;}
  .article-breadcrumb .current{max-width:180px;}
  .article-head{padding:14px 0 26px;}
  .article-meta{gap:14px;font-size:12.5px;}
  .channels{gap:18px;}
  .navbar-inner{height:42px;}
  .channel{line-height:42px;font-size:13.5px;}
  .footer-inner{grid-template-columns:1fr;gap:28px;padding:40px 0 30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-cta .cta-actions .btn-solid,.article-cta .cta-actions .btn-line{width:100%;justify-content:center;}
  .empty-state{padding:36px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --ink:#201C33;
  --ink-2:#625D78;
  --ink-3:#8E89A3;
  --night:#1B1738;
  --indigo:#2B2557;
  --violet:#4B3C8F;
  --cyan:#3FB8AF;
  --gold:#F2B45C;
  --lav:#EDE9FA;
  --lav-2:#F1EEFB;
  --bg:#F7F6FB;
  --line:#E5E1F1;
  --white:#FFFFFF;
  --grad:linear-gradient(120deg,#241E4E 0%,#4B3C8F 55%,#2F6F78 100%);
  --radius-lg:26px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(27,23,56,.06);
  --shadow-hover:0 18px 42px rgba(27,23,56,.13);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 10px 26px rgba(27,23,56,.09)}
.topbar{background:#fff}
.topbar-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;box-shadow:0 6px 16px rgba(75,60,143,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;width:320px;max-width:320px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-3);flex:none;transition:.2s}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(63,184,175,.18)}
.topbar-hot{display:flex;align-items:center;gap:8px;flex:none}
.hot-label{font-size:13px;color:var(--ink-3)}
.hot-chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--lav);color:var(--indigo);font-size:12.5px;transition:.2s}
.hot-chip:hover{background:rgba(63,184,175,.16);color:#2F6F78}
.help-link{font-size:14px;color:var(--ink-2);flex:none;transition:color .2s}
.help-link:hover{color:var(--violet)}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--indigo);font-size:17px;margin-left:auto}
.navbar{background:#fff;border-bottom:1px solid var(--line)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:44px}
.channels{display:flex;align-items:center;gap:30px}
.channel{position:relative;display:flex;align-items:center;height:44px;font-size:15px;color:var(--ink-2);transition:color .2s}
.channel:hover{color:var(--indigo)}
.channel.active{color:var(--indigo);font-weight:700}
.channel.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--grad)}
.trend-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);transition:color .2s}
.trend-link:hover{color:var(--cyan)}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:120;background:#fff;padding:20px 24px 40px;display:none;overflow-y:auto}
.drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--indigo)}
.drawer-search{display:flex;align-items:center;gap:10px;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);color:var(--ink-3);margin-bottom:22px}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:15px}
.drawer-title{font-size:12px;letter-spacing:.1em;color:var(--ink-3);margin:20px 0 10px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;font-size:16px;color:var(--ink);border:1px solid transparent}
.drawer-nav a:hover,.drawer-nav a.current{background:var(--lav-2);color:var(--indigo);border-color:#DDD6F3}
.drawer-hot{display:flex;flex-wrap:wrap;gap:10px}
.drawer-hot a{padding:9px 14px;border-radius:999px;background:var(--lav);font-size:13.5px;color:var(--indigo)}
.drawer-contact{margin-top:26px;padding:18px;border-radius:var(--radius-md);background:var(--lav-2);border:1px solid #DDD6F3;font-size:14px;color:var(--ink-2)}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;color:#fff;padding:48px 0 54px;background:linear-gradient(120deg,rgba(27,23,56,.94) 0%,rgba(59,47,110,.9) 55%,rgba(35,92,98,.86) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.14;background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px),radial-gradient(rgba(242,180,92,.6) 1px,transparent 1px);background-size:130px 130px,190px 190px;background-position:0 0,70px 90px}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.7);transition:color .2s}
.crumb a:hover{color:#fff}
.crumb i{font-size:10px;opacity:.7}
.page-hero h1{font-size:36px;line-height:1.35;font-weight:700;letter-spacing:-.02em;max-width:860px}
.hero-sub{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;color:#fff}
.hero-quick{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(36,30,78,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(36,30,78,.36);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--indigo);border:1px solid #D8D2EC}
.btn-ghost:hover{background:var(--lav);border-color:#BEB4E3;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.32)}
.btn-outline-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}

/* ============ 数据带 ============ */
.stat-band{position:relative;overflow:hidden;background:var(--grad);padding:32px 0}
.stat-band::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.1;background-image:radial-gradient(rgba(255,255,255,.7) 1px,transparent 1px);background-size:110px 110px}
.stat-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-item{padding-left:20px;border-left:1px solid rgba(255,255,255,.16);color:#fff}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{display:flex;align-items:baseline;gap:6px;font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num small{font-size:13px;font-weight:500;color:rgba(255,255,255,.7)}
.stat-label{font-size:13px;color:rgba(255,255,255,.72);margin-top:4px}

/* ============ 主体布局 ============ */
.section{padding:68px 0}
.section-head{margin-bottom:30px}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;color:var(--violet);margin-bottom:12px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--cyan)}

.guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:36px;align-items:start}
.guide-side{position:sticky;top:124px;display:flex;flex-direction:column;gap:16px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow)}
.side-title{font-size:12px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:12px}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--ink-2);transition:.2s}
.side-nav a:hover{background:var(--lav);color:var(--indigo)}
.side-nav a.current{background:var(--lav-2);color:var(--indigo);font-weight:600;box-shadow:inset 3px 0 0 var(--cyan)}
.side-nav a i{font-size:11px;opacity:.55}
.side-links a{display:flex;align-items:center;gap:9px;padding:9px 4px;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line);transition:.2s}
.side-links li:last-child a{border-bottom:0}
.side-links a:hover{color:var(--violet);transform:translateX(3px)}
.side-links i{color:var(--cyan);font-size:12px}
.side-contact{background:linear-gradient(160deg,#F4F1FC 0%,#EAF4F3 100%);border:1px solid #DDD6F3}
.side-contact h4{font-size:15px;font-weight:600;margin-bottom:8px}
.side-contact p{font-size:13.5px;line-height:1.75;color:var(--ink-2)}
.side-contact .side-btn{display:flex;align-items:center;justify-content:center;gap:8px;height:42px;margin-top:14px;border-radius:999px;background:var(--grad);color:#fff;font-size:14px;font-weight:600;transition:.2s}
.side-contact .side-btn:hover{filter:brightness(1.08);transform:translateY(-2px)}

.guide-main{display:flex;flex-direction:column;gap:16px}
.guide-item{display:grid;grid-template-columns:56px minmax(0,1fr) 44px;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.guide-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8D2EC}
.guide-num{font-size:26px;font-weight:700;line-height:1;color:#C9C2E4;font-variant-numeric:tabular-nums;padding-top:2px}
.guide-body h3{font-size:19px;line-height:1.45;font-weight:600;margin-bottom:6px}
.guide-body h3 a{transition:color .2s}
.guide-item:hover .guide-body h3 a{color:var(--violet)}
.guide-body p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.guide-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;font-size:12.5px;color:var(--ink-3)}
.guide-meta .dot{width:3px;height:3px;border-radius:999px;background:#CFC9E2}
.guide-arrow{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-2);transition:.2s}
.guide-arrow:hover{background:var(--lav);color:var(--violet)}
.guide-item:hover .guide-arrow{background:var(--grad);color:#fff;border-color:transparent;transform:translateX(2px)}
.guide-more{display:flex;justify-content:center;margin-top:10px}
.guide-more a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--violet);transition:.2s}
.guide-more a:hover{gap:12px}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-aside{position:sticky;top:124px}
.faq-aside h2{font-size:30px;line-height:1.35;font-weight:700}
.faq-aside p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-aside .aside-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14.5px;font-weight:600;color:var(--violet)}
.faq-aside .aside-link i{transition:transform .2s}
.faq-aside .aside-link:hover i{transform:translateX(4px)}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;margin-bottom:12px;overflow:hidden;transition:.2s}
.faq-item.open{background:var(--lav-2);border-color:#DDD6F3}
.faq-h{margin:0;font-size:16px}
.faq-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6}
.faq-btn i{flex:none;font-size:13px;color:var(--violet);transition:transform .25s}
.faq-item.open .faq-btn i{transform:rotate(45deg)}
.faq-panel{display:none;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-item.open .faq-panel{display:block}

/* ============ CTA ============ */
.cta-section{padding:0 0 84px}
.cta-wrap{display:grid;grid-template-columns:5fr 7fr;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.cta-info{position:relative;overflow:hidden;background:var(--grad);color:#fff;padding:44px 38px}
.cta-info::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.12;background-image:radial-gradient(rgba(255,255,255,.8) 1px,transparent 1px);background-size:120px 120px}
.cta-info > *{position:relative;z-index:1}
.cta-info h2{font-size:26px;line-height:1.4;font-weight:700}
.cta-info p{margin-top:12px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.82)}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.86)}
.cta-list i{color:var(--gold);margin-top:5px;font-size:12px}
.cta-card{background:#fff;padding:44px 38px}
.cta-card h3{font-size:20px;font-weight:600;margin-bottom:8px}
.cta-card > p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.cta-rows{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.cta-row{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#FCFBFE;transition:.2s}
.cta-row:hover{border-color:#D8D2EC;background:var(--lav-2)}
.cta-row .ico{width:36px;height:36px;flex:none;border-radius:10px;background:var(--lav);color:var(--violet);display:flex;align-items:center;justify-content:center;font-size:14px}
.cta-row strong{display:block;font-size:14.5px;font-weight:600}
.cta-row span{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.cta-card .btn{margin-top:24px;width:100%}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--night);color:#B9B3D0;padding:64px 0 0;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.site-footer::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;background-image:radial-gradient(rgba(255,255,255,.8) 1px,transparent 1px);background-size:140px 140px}
.site-footer .container{position:relative;z-index:1}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:#9E97BE}
.footer-about{font-size:14px;line-height:1.85;color:#B9B3D0}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-chips span{font-size:12px;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#CFC9E4}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:#B9B3D0;transition:.2s}
.footer-col ul a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.8;color:#B9B3D0}
.footer-contact i{color:var(--cyan);margin-top:5px;font-size:13px;flex:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#9E97BE}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{transition:color .2s}
.footer-bottom nav a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-search,.topbar-hot,.help-link{display:none}
  .menu-btn{display:flex}
  .navbar-inner{overflow-x:auto;scrollbar-width:none}
  .navbar-inner::-webkit-scrollbar{display:none}
  .channels{gap:22px}
  .guide-layout{grid-template-columns:1fr;gap:24px}
  .guide-side{position:static;order:2;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .guide-main{order:1}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .faq-aside{position:static}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .cta-wrap{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{padding:36px 0 42px}
  .page-hero h1{font-size:27px}
  .hero-sub{font-size:15px}
  .section{padding:48px 0}
  .section-head h2,.faq-aside h2{font-size:24px}
  .cta-section{padding-bottom:56px}
  .cta-info,.cta-card{padding:30px 24px}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .guide-side{grid-template-columns:1fr}
  .guide-item{grid-template-columns:minmax(0,1fr) 44px;gap:12px;padding:18px}
  .guide-num{grid-column:1 / -1;font-size:16px;padding-top:0}
  .guide-body h3{font-size:17px}
  .stat-grid{grid-template-columns:1fr;gap:18px}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:14px}
  .stat-item:first-child{border-top:0;padding-top:0}
  .hero-quick .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
    --ink:#201C33;
    --ink-2:#625D78;
    --ink-3:#8E89A3;
    --line:#E5E1F1;
    --line-2:#D8D2EC;
    --bg:#F7F6FB;
    --white:#FFFFFF;
    --indigo:#2B2557;
    --night:#1B1738;
    --violet:#4B3C8F;
    --cyan:#3FB8AF;
    --gold:#F2B45C;
    --lilac:#EDE9FA;
    --lilac-2:#F1EEFB;
    --danger:#C4544F;
    --grad:linear-gradient(120deg,#241E4E 0%,#4B3C8F 55%,#2F6F78 100%);
    --grad-line:linear-gradient(90deg,#3FB8AF 0%,#4B3C8F 50%,#F2B45C 100%);
    --r-lg:26px;
    --r-md:16px;
    --r-sm:14px;
    --shadow:0 10px 30px rgba(27,23,56,.06);
    --shadow-hover:0 18px 44px rgba(27,23,56,.13);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--bg);color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
  ul,ol{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4,p,figure{margin:0}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
  .site-header.is-scrolled{box-shadow:0 10px 26px rgba(27,23,56,.09)}
  .topbar-inner{display:flex;align-items:center;gap:18px;height:64px}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
    display:grid;place-items:center;font-size:17px;font-weight:700;
    box-shadow:0 6px 16px rgba(43,37,87,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-main{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--ink)}
  .brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em}
  .nav-search{position:relative;display:flex;align-items:center;width:320px;flex:0 1 320px}
  .nav-search i{position:absolute;left:14px;font-size:13px;color:var(--ink-3);pointer-events:none}
  .nav-search input{
    width:100%;height:38px;border-radius:999px;border:1px solid var(--line);
    background:#FBFBFE;padding:0 16px 0 36px;font-size:13px;color:var(--ink);
    outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .nav-search input::placeholder{color:var(--ink-3)}
  .nav-search input:focus{background:#fff;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(63,184,175,.16)}
  .topbar-hot{display:flex;align-items:center;gap:8px;flex:0 0 auto}
  .hot-label{font-size:12px;color:var(--ink-3)}
  .hot-chip{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    background:var(--lilac-2);color:var(--violet);font-size:12px;white-space:nowrap;
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .hot-chip:hover{background:#E3F6F4;color:#2C7F7A;transform:translateY(-1px)}
  .help-link{margin-left:auto;font-size:13px;color:var(--ink-2);white-space:nowrap;transition:color .2s ease}
  .help-link:hover{color:var(--violet)}
  .menu-btn{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    color:var(--indigo);align-items:center;justify-content:center;font-size:17px;
  }
  .navbar{border-top:1px solid #F1EEF9}
  .navbar-inner{display:flex;align-items:center;justify-content:space-between;height:44px}
  .channels{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
  .channels::-webkit-scrollbar{display:none}
  .channel{
    position:relative;display:inline-flex;align-items:center;height:44px;
    font-size:14px;color:var(--ink-2);white-space:nowrap;transition:color .2s ease;
  }
  .channel::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--grad-line);transform:scaleX(0);transform-origin:left center;
    transition:transform .25s ease;
  }
  .channel:hover{color:var(--violet)}
  .channel:hover::after,.channel.active::after{transform:scaleX(1)}
  .channel.active{color:var(--violet);font-weight:600}
  .trend-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);transition:color .2s ease}
  .trend-link i{font-size:11px;transition:transform .2s ease}
  .trend-link:hover{color:var(--cyan)}
  .trend-link:hover i{transform:translateX(4px)}

  /* ---------- mobile drawer ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(27,23,56,.45);opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}
  .mobile-drawer{
    position:fixed;inset:0 0 0 auto;width:min(88vw,360px);background:#fff;z-index:90;
    transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
    display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto;
  }
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:16px;color:var(--indigo)}
  .drawer-search{position:relative;margin-bottom:18px}
  .drawer-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink-3)}
  .drawer-search input{width:100%;height:44px;border-radius:12px;border:1px solid var(--line);padding:0 14px 0 38px;font-size:14px;outline:none}
  .drawer-search input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(63,184,175,.16)}
  .drawer-title{font-size:12px;letter-spacing:.14em;color:var(--ink-3);margin:12px 0 8px}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:48px;padding:0 14px;border-radius:12px;font-size:15px;color:var(--ink-2);
  }
  .drawer-nav a:hover{background:var(--lilac)}
  .drawer-nav a.active{background:var(--lilac);color:var(--violet);font-weight:600}
  .drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
  .drawer-hot .hot-chip{height:32px;font-size:12px}
  .drawer-cta{margin-top:auto;padding-top:22px}
  .drawer-cta .btn{width:100%;justify-content:center}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  }
  .btn i{font-size:12px;transition:transform .2s ease}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(43,37,87,.26)}
  .btn-primary:hover{filter:brightness(1.09);transform:translateY(-2px);box-shadow:0 16px 34px rgba(43,37,87,.32)}
  .btn-primary:hover i{transform:translateX(4px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--indigo);border:1px solid var(--line-2)}
  .btn-ghost:hover{background:var(--lilac);border-color:#C8BFE8;transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-ghost:hover i{transform:translateX(4px)}
  .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
    outline:2px solid var(--cyan);outline-offset:2px;
  }
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--violet);transition:color .2s ease}
  .link-more i{font-size:11px;transition:transform .2s ease}
  .link-more:hover{color:#2C7F7A}
  .link-more:hover i{transform:translateX(4px)}

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;color:#fff;
    background-image:linear-gradient(120deg,rgba(24,20,50,.94) 0%,rgba(43,37,87,.88) 52%,rgba(47,111,120,.82) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      radial-gradient(1.6px 1.6px at 12% 24%,rgba(255,255,255,.55),transparent 60%),
      radial-gradient(1.4px 1.4px at 78% 18%,rgba(242,180,92,.6),transparent 60%),
      radial-gradient(1.2px 1.2px at 64% 72%,rgba(255,255,255,.42),transparent 60%),
      radial-gradient(1.8px 1.8px at 32% 82%,rgba(63,184,175,.55),transparent 60%),
      radial-gradient(1.2px 1.2px at 88% 62%,rgba(255,255,255,.38),transparent 60%);
    opacity:.9;
  }
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:56px 0 60px}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
    font-size:12.5px;letter-spacing:.06em;color:#E7E3F7;
  }
  .hero-badge span.dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(63,184,175,.22)}
  .hero-title{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.02em;margin-top:20px}
  .hero-title em{font-style:normal;color:#8FE3DC}
  .hero-sub{margin-top:16px;max-width:560px;font-size:16px;line-height:1.9;color:rgba(240,238,250,.86)}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .hero-actions .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
  .hero-actions .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5)}
  .hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16)}
  .hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(233,230,247,.82)}
  .hero-trust i{color:var(--cyan);font-size:12px}

  .hero-panel{
    position:relative;border-radius:24px;padding:20px;
    background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);
    backdrop-filter:blur(2px);
  }
  .panel-bar{display:flex;align-items:center;gap:6px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.16)}
  .panel-bar span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.35)}
  .panel-bar span:first-child{background:rgba(242,180,92,.8)}
  .panel-bar span:nth-child(2){background:rgba(63,184,175,.8)}
  .panel-bar b{margin-left:auto;font-size:11px;font-weight:500;color:rgba(255,255,255,.6);letter-spacing:.08em}
  .panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
  .panel-row:last-of-type{border-bottom:none}
  .panel-row .label{font-size:13px;color:rgba(255,255,255,.75)}
  .panel-tag{font-size:11.5px;padding:3px 10px;border-radius:999px;background:rgba(63,184,175,.2);color:#9FEDE6;border:1px solid rgba(63,184,175,.35)}
  .panel-tag.warn{background:rgba(242,180,92,.18);color:#F6CE93;border-color:rgba(242,180,92,.38)}
  .panel-cta{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2)}
  .panel-cta span{font-size:13px;color:#fff}
  .panel-cta i{font-size:12px;color:#8FE3DC}
  .panel-note{margin-top:10px;font-size:11.5px;color:rgba(255,255,255,.55);text-align:right}

  /* ---------- section base ---------- */
  .section{padding:84px 0}
  .section.tight{padding:64px 0}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--violet);font-weight:600}
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-line)}
  .sec-title{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin-top:12px}
  .sec-desc{margin-top:12px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:680px}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

  /* ---------- chips ---------- */
  .chip-bar{display:flex;flex-wrap:wrap;gap:10px;padding:18px 0 4px}
  .chip{
    display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
    background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);
    transition:all .2s ease;
  }
  .chip:hover{border-color:#C8BFE8;color:var(--violet);transform:translateY(-1px)}
  .chip.is-active{background:var(--indigo);border-color:var(--indigo);color:#fff;box-shadow:0 10px 22px rgba(43,37,87,.22)}

  /* ---------- featured card ---------- */
  .featured{
    display:grid;grid-template-columns:1.05fr 1fr;gap:0;overflow:hidden;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow);transition:box-shadow .28s ease,transform .28s ease;
  }
  .featured:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .featured-media{position:relative;min-height:320px;overflow:hidden}
  .featured-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
  .featured:hover .featured-media img{transform:scale(1.04)}
  .featured-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(27,23,56,.35),rgba(47,111,120,.12))}
  .featured-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
    background:var(--lilac-2);border:1px solid #DDD6F3;color:var(--violet);
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .badge.cyan{background:#E5F7F5;border-color:#BFE9E5;color:#2C7F7A}
  .badge.gold{background:#FDF3E3;border-color:#F3DDB6;color:#9A6C21}
  .featured-body h2{font-size:27px;line-height:1.42;font-weight:700;margin-top:16px;letter-spacing:-.01em}
  .featured-body p{margin-top:14px;font-size:15px;line-height:1.9;color:var(--ink-2)}
  .featured-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px;font-size:12.5px;color:var(--ink-3)}
  .featured-meta span{display:inline-flex;align-items:center;gap:6px}

  /* ---------- card grid ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:24px}
  .sec-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);
    transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  }
  .sec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D9D2EE}
  .sec-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad)}
  .sec-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
  .sec-card:hover .sec-card-media img{transform:scale(1.05)}
  .sec-card-media .badge{position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94);border-color:rgba(255,255,255,.6);color:var(--indigo)}
  .sec-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
  .sec-card-body h3{font-size:19px;line-height:1.5;font-weight:600}
  .sec-card-body p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}
  .sec-card-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}
  .sec-card-foot .date{font-size:12.5px;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px}
  .is-hidden{display:none !important}

  /* ---------- steps ---------- */
  .steps-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:44px}
  .step{
    position:relative;padding:26px 24px;border-radius:var(--r-md);
    background:#FBFAFE;border:1px solid var(--line);
    transition:background .25s ease,border-color .25s ease,transform .25s ease;
  }
  .step:hover{background:#fff;border-color:#CFC7E9;transform:translateY(-3px);box-shadow:var(--shadow)}
  .step-num{font-size:32px;font-weight:700;line-height:1;color:#D6CEEF;font-variant-numeric:tabular-nums}
  .step h3{font-size:16.5px;font-weight:600;margin-top:14px}
  .step p{font-size:13.5px;line-height:1.8;color:var(--ink-2);margin-top:8px}

  /* ---------- stat band ---------- */
  .stat-band{
    position:relative;overflow:hidden;color:#fff;
    background-image:linear-gradient(120deg,rgba(24,20,50,.96),rgba(43,37,87,.9) 55%,rgba(47,111,120,.85)),url('/assets/images/backpic/back-3.png');
    background-size:cover;background-position:center;
  }
  .stat-band .container{position:relative;z-index:2}
  .stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;margin-top:40px;border-radius:18px;overflow:hidden}
  .stat-item{padding:26px 24px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
  .stat-item .value{font-size:38px;line-height:1.1;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
  .stat-item .value small{font-size:15px;font-weight:500;margin-left:4px;color:rgba(255,255,255,.72)}
  .stat-item .label{margin-top:10px;font-size:13px;color:rgba(233,230,247,.8);display:flex;align-items:center;gap:8px}
  .stat-item .label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}

  /* ---------- FAQ ---------- */
  .faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
  .faq-aside{position:sticky;top:132px}
  .faq-aside p{font-size:14.5px;line-height:1.9;color:var(--ink-2);margin-top:14px}
  .faq-contact{margin-top:22px;padding:20px;border-radius:var(--r-md);background:var(--lilac);border:1px solid #DDD6F3}
  .faq-contact strong{display:block;font-size:14.5px;color:var(--indigo)}
  .faq-contact span{display:block;font-size:13px;line-height:1.8;color:var(--ink-2);margin-top:6px}
  .faq-contact a{margin-top:12px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--violet)}
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
  .faq-item:hover{border-color:#D3CBEA;box-shadow:var(--shadow)}
  .faq-item[open]{background:#FBFAFE;border-color:#CFC7E9}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
    padding:20px 22px;min-height:56px;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item h3{font-size:16px;font-weight:600;line-height:1.6;flex:1;color:var(--ink)}
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
    background:var(--lilac-2);color:var(--violet);font-size:12px;
    transition:transform .25s ease,background .25s ease,color .25s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--indigo);color:#fff}
  .faq-item .faq-answer{padding:0 22px 22px 62px;font-size:15px;line-height:1.88;color:var(--ink-2)}

  /* ---------- CTA ---------- */
  .cta-panel{
    position:relative;overflow:hidden;border-radius:var(--r-lg);padding:48px;
    background-image:linear-gradient(120deg,rgba(24,20,50,.95),rgba(43,37,87,.88) 58%,rgba(47,111,120,.82));
    color:#fff;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
    box-shadow:0 24px 60px rgba(27,23,56,.22);
  }
  .cta-panel::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      radial-gradient(1.5px 1.5px at 18% 30%,rgba(255,255,255,.5),transparent 60%),
      radial-gradient(1.3px 1.3px at 72% 22%,rgba(242,180,92,.55),transparent 60%),
      radial-gradient(1.2px 1.2px at 84% 74%,rgba(63,184,175,.5),transparent 60%);
    opacity:.9;
  }
  .cta-panel > *{position:relative;z-index:2}
  .cta-panel h2{font-size:28px;line-height:1.4;font-weight:700;letter-spacing:-.01em}
  .cta-panel p{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(238,235,250,.86);max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
  .cta-actions .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.32);color:#fff}
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5)}
  .cta-side{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:24px}
  .cta-side h3{font-size:15px;font-weight:600;color:#fff}
  .cta-side ul{margin-top:14px;display:flex;flex-direction:column;gap:12px}
  .cta-side li{display:flex;gap:10px;font-size:13.5px;line-height:1.75;color:rgba(235,232,248,.85)}
  .cta-side li i{color:var(--cyan);font-size:12px;margin-top:6px}

  /* ---------- breadcrumb ---------- */
  .crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
  .crumb{display:flex;align-items:center;gap:8px;height:48px;font-size:13px;color:var(--ink-3);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
  .crumb::-webkit-scrollbar{display:none}
  .crumb a{color:var(--ink-2);transition:color .2s ease}
  .crumb a:hover{color:var(--violet)}
  .crumb i{font-size:9px;color:#BCB6CC}
  .crumb .current{color:var(--violet);font-weight:600}

  /* ---------- footer ---------- */
  .site-footer{
    position:relative;background:var(--night);color:#B9B3D0;padding:64px 0 0;margin-top:0;
  }
  .site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-line)}
  .footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand .brand-main{color:#fff}
  .footer-brand .brand-sub{color:#8E89A3}
  .footer-about{font-size:13.5px;line-height:1.95;color:#B9B3D0;max-width:340px}
  .footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
  .footer-chips span{font-size:11.5px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#CFC9E4}
  .footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col ul a{font-size:14px;color:#B9B3D0;transition:color .2s ease}
  .footer-col ul a:hover{color:#8FE3DC}
  .footer-contact li{display:flex;gap:10px;font-size:13px;line-height:1.8;color:#B9B3D0}
  .footer-contact i{color:#8FE3DC;font-size:12px;margin-top:6px;flex:0 0 auto}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:12.5px;color:#8E89A3;
  }
  .footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
  .footer-bottom nav a{color:#B9B3D0;transition:color .2s ease}
  .footer-bottom nav a:hover{color:#8FE3DC}

  /* ---------- responsive ---------- */
  @media (max-width:1180px){
    .nav-search{width:260px;flex-basis:260px}
    .hot-label{display:none}
  }
  @media (max-width:1023px){
    .nav-search,.topbar-hot,.help-link{display:none}
    .menu-btn{display:inline-flex;margin-left:auto}
    .hero-inner{grid-template-columns:1fr;gap:34px;padding:48px 0 52px}
    .hero-title{font-size:34px}
    .hero-panel{max-width:520px}
    .section{padding:64px 0}
    .sec-title{font-size:26px}
    .featured{grid-template-columns:1fr}
    .featured-media{min-height:240px}
    .featured-body{padding:28px}
    .featured-body h2{font-size:23px}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .faq-wrap{grid-template-columns:1fr;gap:28px}
    .faq-aside{position:static}
    .cta-panel{grid-template-columns:1fr;padding:36px 28px}
    .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
  }
  @media (max-width:767px){
    .container{padding:0 18px}
    .hero-title{font-size:30px;line-height:1.28}
    .hero-sub{font-size:15px}
    .card-grid{grid-template-columns:1fr}
    .sec-card-body h3{font-size:18px}
    .cta-panel h2{font-size:23px}
    .faq-item .faq-answer{padding-left:22px}
    .footer-inner{grid-template-columns:1fr;gap:30px}
    .footer-about{max-width:none}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .stat-item .value{font-size:32px}
  }
  @media (max-width:520px){
    .hero-actions .btn{width:100%;justify-content:center}
    .hero-trust{gap:12px}
    .hero-trust li{font-size:12.5px}
    .steps{grid-template-columns:1fr}
    .stat-grid{grid-template-columns:1fr}
    .chip{height:36px;padding:0 14px;font-size:13px}
    .section{padding:52px 0}
    .featured-body h2{font-size:21px}
    .cta-panel{padding:28px 20px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  }

/* roulang page: category3 */
:root{
    --night:#1B1738;
    --v1:#2B2557;
    --v2:#4B3C8F;
    --teal:#3FB8AF;
    --gold:#F2B45C;
    --lilac:#EDE9FA;
    --lilac-2:#F1EEFB;
    --mist:#F7F6FB;
    --ink:#201C33;
    --sub:#625D78;
    --muted:#8E89A3;
    --line:#E5E1F1;
    --grad:linear-gradient(120deg,#241E4E 0%,#4B3C8F 55%,#2F6F78 100%);
    --shadow-sm:0 10px 30px rgba(27,23,56,.06);
    --shadow-lg:0 18px 44px rgba(27,23,56,.14);
    --r-lg:26px;
    --r-md:16px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    background:var(--mist);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit}
  input{font:inherit}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
  :focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
  .site-header.is-stuck{box-shadow:0 6px 24px rgba(27,23,56,.09)}
  .topbar-inner{display:flex;align-items:center;gap:18px;height:64px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
    box-shadow:0 6px 16px rgba(75,60,143,.28);flex:none;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-main{font-weight:700;font-size:17px;letter-spacing:.02em;color:var(--ink)}
  .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em}
  .nav-search{position:relative;flex:0 1 320px;min-width:0}
  .nav-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px}
  .nav-search input{
    width:100%;height:40px;border-radius:999px;border:1px solid var(--line);
    background:var(--mist);padding:0 16px 0 40px;font-size:14px;color:var(--ink);
    transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
  }
  .nav-search input::placeholder{color:var(--muted)}
  .nav-search input:focus{
    outline:none;background:#fff;border-color:var(--teal);box-shadow:0 0 0 3px rgba(63,184,175,.16);
  }
  .topbar-hot{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden}
  .hot-label{font-size:13px;color:var(--muted);white-space:nowrap}
  .hot-chip{
    font-size:13px;padding:5px 12px;border-radius:999px;background:var(--lilac);
    color:var(--v2);white-space:nowrap;transition:background-color .2s ease,color .2s ease;
  }
  .hot-chip:hover{background:rgba(63,184,175,.16);color:#237F79}
  .help-link{margin-left:auto;font-size:14px;font-weight:600;color:var(--v2);white-space:nowrap;transition:color .2s ease}
  .help-link:hover{color:var(--teal)}
  .menu-btn{
    display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--v1);align-items:center;justify-content:center;
    cursor:pointer;transition:background-color .2s ease,border-color .2s ease;
  }
  .menu-btn:hover{background:var(--lilac);border-color:#D8D2EC}
  .navbar{background:#fff;border-top:1px solid rgba(229,225,241,.7)}
  .navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:46px}
  .channels{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .channels::-webkit-scrollbar{display:none}
  .channel{
    position:relative;padding:10px 14px;font-size:15px;color:var(--sub);
    border-radius:10px;white-space:nowrap;transition:color .2s ease,background-color .2s ease;
  }
  .channel:hover{color:var(--v1);background:var(--lilac)}
  .channel.active{color:var(--v1);font-weight:600;background:var(--lilac-2)}
  .channel.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
  }
  .trend-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--sub);white-space:nowrap;transition:color .2s ease}
  .trend-link i{transition:transform .2s ease}
  .trend-link:hover{color:var(--v2)}
  .trend-link:hover i{transform:translateX(4px)}

  /* ---------- drawer ---------- */
  .drawer{
    position:fixed;inset:0;z-index:90;background:#fff;display:none;
    flex-direction:column;gap:18px;padding:20px 20px 40px;overflow-y:auto;
  }
  .drawer.is-open{display:flex}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-close{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
    color:var(--v1);display:flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .drawer-search{position:relative}
  .drawer-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px}
  .drawer-search input{
    width:100%;height:46px;border-radius:14px;border:1px solid var(--line);
    background:var(--mist);padding:0 14px 0 40px;font-size:14px;
  }
  .drawer-nav{display:flex;flex-direction:column;gap:6px}
  .drawer-nav a{
    min-height:48px;display:flex;align-items:center;justify-content:space-between;
    padding:0 16px;border-radius:12px;background:var(--mist);font-size:15px;color:var(--ink);
  }
  .drawer-nav a.active{background:var(--lilac);color:var(--v1);font-weight:600}
  .drawer-hot-title{font-size:13px;color:var(--muted);margin-bottom:8px}
  .drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
  .drawer-cta{width:100%}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
    border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(75,60,143,.26)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(75,60,143,.34);filter:brightness(1.06)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(75,60,143,.24)}
  .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3)}
  .btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
  .btn-outline{background:#fff;color:var(--v1);border-color:#D8D2EC}
  .btn-outline:hover{background:var(--lilac);border-color:#C3B9E4;transform:translateY(-2px)}
  .text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--v2);transition:color .2s ease}
  .text-link i{transition:transform .2s ease}
  .text-link:hover{color:var(--teal);text-decoration:underline;text-underline-offset:4px}
  .text-link:hover i{transform:translateX(4px)}

  /* ---------- hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;color:#fff;padding:52px 0 60px;
    background-image:linear-gradient(115deg,rgba(27,23,56,.96) 0%,rgba(43,37,87,.93) 48%,rgba(47,111,120,.88) 100%),
      url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
  }
  .cat-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      radial-gradient(circle at 18% 26%,rgba(255,255,255,.5) 1px,transparent 1.6px),
      radial-gradient(circle at 72% 18%,rgba(242,180,92,.55) 1px,transparent 1.6px),
      radial-gradient(circle at 88% 68%,rgba(255,255,255,.4) 1px,transparent 1.6px),
      radial-gradient(circle at 34% 82%,rgba(63,184,175,.55) 1px,transparent 1.6px);
    opacity:.5;
  }
  .cat-hero .container{position:relative;z-index:2}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
  .breadcrumb a{color:rgba(255,255,255,.82);transition:color .2s ease}
  .breadcrumb a:hover{color:#fff}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
    font-size:13px;color:#EDE9FA;margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
  .cat-hero h1{
    margin:0;font-size:clamp(30px,4vw,44px);line-height:1.22;font-weight:700;letter-spacing:-.02em;
    max-width:20em;
  }
  .cat-hero p.lead{margin:18px 0 0;font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:660px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .hero-facts{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px;font-size:13px;color:rgba(255,255,255,.74)}
  .hero-facts span{display:inline-flex;align-items:center;gap:8px}
  .hero-facts i{color:var(--teal);font-size:12px}

  /* ---------- sections ---------- */
  .section{padding:76px 0}
  .section-tight{padding:56px 0}
  .sec-head{max-width:720px;margin-bottom:34px}
  .sec-kicker{font-size:13px;letter-spacing:.14em;color:var(--v2);font-weight:600;margin:0 0 10px}
  .sec-head h2{margin:0;font-size:clamp(24px,2.8vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
  .sec-head p{margin:12px 0 0;font-size:15px;line-height:1.9;color:var(--sub)}

  /* steps */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
  .step{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;
    box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D8D2EC}
  .step-num{font-size:26px;font-weight:700;line-height:1;color:#DDD6F3;font-variant-numeric:tabular-nums}
  .step h3{margin:14px 0 6px;font-size:17px;font-weight:600;color:var(--ink)}
  .step p{margin:0;font-size:14px;line-height:1.8;color:var(--sub)}

  /* split layout */
  .split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;align-items:start}

  /* accordion */
  .qa{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:0 20px;margin-bottom:12px;transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .qa:hover{border-color:#D8D2EC}
  .qa[open]{background:var(--lilac-2);border-color:#DDD6F3;box-shadow:var(--shadow-sm)}
  .qa summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  }
  .qa summary::-webkit-details-marker{display:none}
  .qa summary:hover{color:var(--v1)}
  .qa .plus{
    width:28px;height:28px;border-radius:50%;background:#fff;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--v2);flex:none;font-size:12px;
    transition:transform .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
  }
  .qa[open] summary .plus{transform:rotate(45deg);background:var(--v1);color:#fff;border-color:var(--v1)}
  .qa-body{padding:0 0 20px;font-size:15px;line-height:1.9;color:var(--sub)}
  .qa-body > :first-child{margin-top:0}
  .qa-body > :last-child{margin-bottom:0}

  /* side cards */
  .side-card{
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;
    box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,transform .25s ease;
  }
  .side-card:hover{box-shadow:var(--shadow-lg)}
  .side-card + .side-card{margin-top:20px}
  .side-card h3{margin:0 0 16px;font-size:17px;font-weight:600;color:var(--ink)}
  .side-card .card-kicker{font-size:12px;letter-spacing:.12em;color:var(--muted);margin:0 0 8px;font-weight:600}
  .checklist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
  .checklist li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--sub)}
  .checklist li i{color:var(--teal);margin-top:5px;font-size:12px;flex:none}
  .badge-list{display:flex;flex-direction:column;gap:10px}
  .stat-badge{
    display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;
    background:var(--lilac-2);border:1px solid #DDD6F3;
  }
  .stat-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);flex:none}
  .stat-num{font-size:20px;font-weight:700;color:var(--v1);font-variant-numeric:tabular-nums;flex:none}
  .stat-text{font-size:13px;color:var(--sub);line-height:1.6}
  .side-dark{
    position:relative;overflow:hidden;border:none;border-radius:20px;padding:24px;color:#fff;background:var(--grad);
    box-shadow:0 18px 40px rgba(43,37,87,.28);margin-top:20px;
  }
  .side-dark::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
    background-image:
      radial-gradient(circle at 20% 24%,rgba(255,255,255,.55) 1px,transparent 1.6px),
      radial-gradient(circle at 78% 62%,rgba(242,180,92,.55) 1px,transparent 1.6px),
      radial-gradient(circle at 48% 88%,rgba(63,184,175,.55) 1px,transparent 1.6px);
  }
  .side-dark > *{position:relative;z-index:2}
  .side-dark h3{margin:0 0 14px;font-size:17px;font-weight:600;color:#fff}
  .side-dark ul{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:10px}
  .side-dark li{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.82)}
  .side-dark li i{color:var(--teal);margin-top:5px;font-size:12px;flex:none}
  .side-dark .btn{width:100%}

  /* support block */
  .support-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
  .support-main{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
    box-shadow:var(--shadow-sm);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  }
  .support-main figure{margin:0;position:relative;min-height:220px;background:linear-gradient(135deg,#241E4E,#2F6F78)}
  .support-main figure img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.92}
  .support-body{padding:28px 26px}
  .support-body h3{margin:0 0 14px;font-size:19px;line-height:1.5;font-weight:600;color:var(--ink)}
  .support-body ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
  .support-body li{display:flex;gap:10px;font-size:14.5px;line-height:1.8;color:var(--sub)}
  .support-body li span.dot{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none;margin-top:9px}
  .support-side{
    background:var(--lilac-2);border:1px solid #DDD6F3;border-radius:var(--r-lg);padding:28px 26px;
    display:flex;flex-direction:column;justify-content:center;gap:14px;
  }
  .support-side h3{margin:0;font-size:19px;line-height:1.5;font-weight:600;color:var(--v1)}
  .support-side p{margin:0;font-size:14.5px;line-height:1.85;color:var(--sub)}

  /* cta */
  .cta-wrap{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:48px 44px;color:#fff;background:var(--grad);box-shadow:0 24px 48px rgba(43,37,87,.26)}
  .cta-wrap::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
    background-image:
      radial-gradient(circle at 12% 20%,rgba(255,255,255,.5) 1px,transparent 1.6px),
      radial-gradient(circle at 64% 12%,rgba(242,180,92,.6) 1px,transparent 1.6px),
      radial-gradient(circle at 86% 74%,rgba(255,255,255,.45) 1px,transparent 1.6px),
      radial-gradient(circle at 38% 90%,rgba(63,184,175,.6) 1px,transparent 1.6px);
  }
  .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:32px;align-items:center}
  .cta-inner h2{margin:0;font-size:clamp(22px,2.6vw,28px);line-height:1.4;font-weight:700;letter-spacing:-.01em}
  .cta-inner p{margin:14px 0 0;font-size:15px;line-height:1.9;color:rgba(255,255,255,.8);max-width:52em}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

  /* ---------- footer ---------- */
  .site-footer{position:relative;margin-top:90px;padding:64px 0 0;background:var(--night);color:#B9B3D0}
  .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
  .footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand .brand-main{color:#fff}
  .footer-brand .brand-sub{color:#8C86AE}
  .footer-about{margin:0 0 18px;font-size:14px;line-height:1.85;color:#B9B3D0;max-width:32em}
  .footer-chips{display:flex;flex-wrap:wrap;gap:8px}
  .footer-chips span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:#D6D2E8}
  .footer-col h3{margin:0 0 16px;font-size:15px;font-weight:600;color:#fff}
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:#B9B3D0;transition:color .2s ease}
  .footer-col a:hover{color:#fff}
  .footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#B9B3D0}
  .footer-contact i{color:var(--teal);margin-top:5px;flex:none}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
    padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8C86AE;
  }
  .footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
  .footer-bottom a{color:#8C86AE;transition:color .2s ease}
  .footer-bottom a:hover{color:#fff}

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .nav-search,.topbar-hot,.help-link{display:none}
    .menu-btn{display:flex}
    .topbar-inner{justify-content:space-between;gap:12px}
    .split{grid-template-columns:minmax(0,1fr);gap:24px}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .support-grid{grid-template-columns:minmax(0,1fr)}
    .support-main{grid-template-columns:minmax(0,1fr)}
    .support-main figure{min-height:200px;position:relative}
    .cta-inner{grid-template-columns:minmax(0,1fr)}
    .cta-actions{justify-content:flex-start}
    .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
    .section{padding:60px 0}
    .cat-hero{padding:44px 0 52px}
  }
  @media (max-width:639px){
    .container{padding:0 18px}
    .steps{grid-template-columns:minmax(0,1fr)}
    .footer-inner{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:36px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
    .cta-wrap{padding:32px 22px}
    .section{padding:48px 0}
    .section-tight{padding:40px 0}
    .hero-actions .btn{width:100%}
    .cat-hero h1{font-size:28px}
    .brand-sub{display:none}
    .site-footer{margin-top:64px;padding-top:48px}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  }