/* roulang page: index */
:root{
  --primary:#4A2E86;
  --primary-bright:#6C4BD6;
  --primary-deep:#32205C;
  --accent:#E4632D;
  --jade:#1F9E8F;
  --bg:#FBF7F3;
  --bg-alt:#F4EFE8;
  --card:#FFFFFF;
  --dark:#171226;
  --text:#2A2430;
  --muted:#6B6472;
  --line:#E7E1DA;
  --ph:#EFEAE4;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(23,18,38,.06);
  --sh-2:0 12px 28px rgba(23,18,38,.12);
  --sh-3:0 24px 48px rgba(23,18,38,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,blockquote,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
::selection{background:rgba(74,46,134,.18)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 容器与栅格 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%;min-width:0}
.grid-x.align-middle{align-items:center}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;height:72px;
  background:rgba(23,18,38,.40);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.20);
  box-shadow:0 8px 24px rgba(23,18,38,.18);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.nav-shell{
  max-width:var(--container);height:100%;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  background:linear-gradient(30deg,var(--primary),var(--primary-bright));
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;padding:6px;
}
.brand-mark i{background:rgba(255,255,255,.42);border-radius:2px}
.brand-mark i:nth-child(5){background:#fff}
.brand-mark i:nth-child(9){background:var(--accent)}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.01em;color:#fff;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center}
.nav-links a{
  font-size:15px;font-weight:600;color:rgba(255,255,255,.84);
  padding:9px 14px;border-radius:999px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.14)}
.nav-links a.is-active{color:#fff;background:rgba(255,255,255,.18)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.30);
  background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;
  font-size:15px;transition:background .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.30);background:rgba(255,255,255,.12);color:#fff;font-size:17px}
.site-header.is-stuck{
  background:#FFFFFF;border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(23,18,38,.10);
}
.site-header.is-stuck .brand-name{color:var(--text)}
.site-header.is-stuck .nav-links a{color:var(--muted)}
.site-header.is-stuck .nav-links a:hover{color:var(--primary);background:rgba(74,46,134,.08)}
.site-header.is-stuck .nav-links a.is-active{color:var(--primary);background:rgba(74,46,134,.10)}
.site-header.is-stuck .icon-btn,
.site-header.is-stuck .nav-toggle{color:var(--primary);border-color:var(--line);background:#fff}
.site-header.is-stuck .icon-btn:hover{background:rgba(74,46,134,.08)}
.brand-mark{transition:filter .24s ease}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,38,.48);z-index:140;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;z-index:150;
  background:#FBF7F3;box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-head strong{font-size:16px;color:var(--text)}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:16px}
.drawer-links{flex:1 1 auto;overflow-y:auto;padding:8px 20px}
.drawer-links a{display:block;font-size:18px;line-height:1.6;padding:18px 0;border-bottom:1px solid var(--line);color:var(--text);font-weight:600}
.drawer-links a.is-active{color:var(--primary)}
.drawer-foot{padding:20px;border-top:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;border-radius:10px}
.btn-primary{
  background:linear-gradient(30deg,var(--accent),#EE7A46);
  color:#fff;box-shadow:0 8px 20px rgba(228,99,45,.28);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:rgba(74,46,134,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--primary);border-color:#fff}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-weight:700;font-size:15px;border-bottom:1px solid rgba(74,46,134,.35);
  padding-bottom:2px;
}
.text-link:hover{color:var(--accent);border-bottom-color:rgba(228,99,45,.5)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--dark);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.section-head p{margin-top:10px;color:var(--muted);font-size:16px;max-width:620px}
.section-dark .section-head p{color:rgba(255,255,255,.72)}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);background:rgba(74,46,134,.10);
  padding:6px 12px;border-radius:999px;margin-bottom:16px;
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1;
}
.badge-cat{background:rgba(74,46,134,.12);color:var(--primary)}
.badge-jade{background:rgba(31,158,143,.14);color:#0F7A6E}
.badge-hot{background:var(--accent);color:#fff}

/* ---------- Hero ---------- */
.hero{padding:140px 0 76px;background:var(--bg);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,46,134,.14),rgba(74,46,134,0) 70%);
}
.hero .grid-x{position:relative;z-index:1}
.hero h1{
  font-size:clamp(28px,4vw,46px);font-weight:700;line-height:1.24;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-sub{font-size:18px;color:var(--muted);margin-bottom:32px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.trust-bar{display:flex;flex-wrap:wrap;gap:36px;padding-top:28px;border-top:1px solid var(--line)}
.trust-bar li{display:flex;flex-direction:column;gap:2px}
.trust-bar strong{font-size:24px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.trust-bar span{font-size:13.5px;color:var(--muted)}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;background:var(--ph);
  box-shadow:var(--sh-2);aspect-ratio:16/10;min-height:240px;margin-top:8px;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(74,46,134,.30)}
.hero-media figcaption{
  position:absolute;left:20px;bottom:18px;right:20px;z-index:2;color:#fff;
  font-size:14px;font-weight:600;text-shadow:0 2px 10px rgba(23,18,38,.45);
}

/* ---------- 功能分组 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.feature-row+.feature-row{border-top:1px solid var(--line)}
.feature-row.reverse .feature-media{order:-1}
.feature-num{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(74,46,134,.45);color:var(--primary);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.feature-copy h3{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:14px}
.feature-copy>p{color:var(--muted);font-size:16px;margin-bottom:20px}
.feature-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:15.5px;color:var(--text)}
.check{
  flex:0 0 20px;width:20px;height:20px;border-radius:6px;margin-top:5px;
  background:rgba(31,158,143,.14);position:relative;
}
.check::after{
  content:"";position:absolute;left:6px;top:3px;width:5px;height:9px;
  border-right:2px solid var(--jade);border-bottom:2px solid var(--jade);transform:rotate(42deg);
}
.feature-media{border-radius:var(--r-img);overflow:hidden;background:var(--ph);box-shadow:var(--sh-1)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- 场景标签 ---------- */
.tabs{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;margin-bottom:32px;scrollbar-width:thin}
.tab{
  flex:0 0 auto;padding:11px 22px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:15px;font-weight:700;
  transition:all .2s ease;white-space:nowrap;
}
.tab:hover{border-color:rgba(74,46,134,.4);color:var(--primary)}
.tab.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(74,46,134,.24)}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.scene-media{border-radius:var(--r-img);overflow:hidden;background:var(--ph);box-shadow:var(--sh-1)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-copy h3{font-size:22px;font-weight:700;margin-bottom:12px}
.scene-copy p{color:var(--muted);font-size:16px;margin-bottom:18px}
.scene-points{display:flex;flex-direction:column;gap:10px}
.scene-points li{font-size:15.5px;padding-left:18px;position:relative}
.scene-points li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ---------- 案例 ---------- */
.case-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.case-main blockquote{
  font-size:18px;line-height:1.8;font-weight:600;color:var(--text);
  margin:16px 0 14px;padding-left:16px;border-left:4px solid var(--accent);border-radius:0 10px 10px 0;
}
.case-author{font-size:14px;color:var(--muted)}
.case-stats{display:flex;flex-wrap:wrap;gap:32px;margin-bottom:18px}
.stat{display:flex;flex-direction:column;gap:2px}
.stat strong{font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.stat span{font-size:13.5px;color:var(--muted)}
.case-desc{font-size:15.5px;color:var(--muted);line-height:1.85}
.case-row{
  display:flex;align-items:center;gap:20px;min-height:96px;
  padding:20px 24px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--sh-1);transition:all .22s ease;margin-top:14px;
}
.case-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(74,46,134,.30)}
.case-avatar{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:rgba(74,46,134,.12);color:var(--primary);
  display:grid;place-items:center;font-weight:700;font-size:16px;
}
.case-line{flex:1 1 auto;font-size:15.5px;color:var(--text)}
.case-arrow{color:var(--primary);font-weight:700;font-size:18px}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:2fr 3fr 2fr;gap:24px;align-items:center}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 26px;box-shadow:var(--sh-1);position:relative;transition:all .24s ease;
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.price-card.is-featured{border:2px solid var(--primary);padding:46px 34px;box-shadow:var(--sh-2)}
.price-tag{position:absolute;top:-14px;left:34px}
.price-name{font-size:17px;font-weight:700;margin-bottom:6px}
.price-note{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.price-amount{
  font-size:40px;font-weight:700;color:var(--accent);line-height:1.1;
  font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.price-unit{font-size:14px;color:var(--muted);margin-left:6px;font-family:inherit}
.price-list{display:flex;flex-direction:column;gap:10px;margin:22px 0 26px;padding-top:20px;border-top:1px solid var(--line)}
.price-list li{font-size:14.5px;color:var(--muted);display:flex;gap:8px;align-items:flex-start}
.price-list li i{color:var(--jade);font-size:13px;margin-top:6px}

/* ---------- 资讯列表 ---------- */
.news-list{display:grid;gap:16px}
.news-link{
  display:flex;gap:20px;align-items:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);padding:16px;
  box-shadow:var(--sh-1);transition:all .24s ease;
}
.news-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(74,46,134,.28)}
.news-link:hover .news-title{color:var(--primary)}
.news-thumb{flex:0 0 160px;width:160px;height:100px;border-radius:12px;overflow:hidden;background:var(--ph)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px}
.news-title{
  font-size:18px;font-weight:700;line-height:1.5;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--muted);margin-top:2px}
.news-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:40px 24px;text-align:center;
}
.news-empty img{width:96px;opacity:.7}
.news-empty p{color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:10px 28px;box-shadow:var(--sh-1)}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;background:none;border:0;text-align:left;position:relative;
  padding:22px 44px 22px 18px;font-size:16px;font-weight:700;color:var(--text);
  line-height:1.6;transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-q::after{
  content:"+";position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--primary);line-height:1;
}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  background:var(--primary);border-radius:3px;
}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-item.is-open .faq-q::after{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 44px 22px 18px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- CTA 表单 ---------- */
.cta-band{background:var(--dark);color:#fff;padding:80px 0}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;margin-bottom:14px}
.cta-band .lead{color:rgba(255,255,255,.72);font-size:16px;max-width:420px}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:28px;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:8px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);
  color:#fff;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:104px;padding:12px 16px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary-bright);background:rgba(255,255,255,.16);
  box-shadow:0 0 0 2px rgba(108,75,214,.55);
}
.field .err{display:none;font-size:12.5px;color:#F09A87;margin-top:6px}
.field.has-error input,.field.has-error textarea{border-color:#E1594A}
.field.has-error .err{display:block}
.form-tip{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:14px;line-height:1.7}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
  background:rgba(31,158,143,.18);border:1px solid rgba(31,158,143,.45);
  font-size:14px;color:#8FE3D8;
}
.form-ok.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#fff;padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.foot-grid{gap:0}
.foot-brand .brand-name{color:#fff}
.foot-brand p{margin-top:16px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:280px}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff}
.foot-links{display:flex;flex-direction:column;gap:12px}
.foot-links a,.foot-links span{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.80);transition:color .2s ease}
.foot-links a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .large-3{width:25%}
  .large-4{width:33.3333%}
  .large-5{width:41.6667%}
  .large-7{width:58.3333%}
  .large-8{width:66.6667%}
}
@media (min-width:640px){
  .medium-6{width:50%}
}
@media (max-width:1199px){
  .container{padding:0 20px}
  .nav-shell{padding:0 20px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions .btn-sm{display:none}
  .site-header{background:rgba(23,18,38,.92);-webkit-backdrop-filter:none;backdrop-filter:none}
  .site-header.is-stuck{background:#fff}
  .hero{padding:112px 0 64px}
  .section{padding:64px 0}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:32px 0}
  .feature-row.reverse .feature-media{order:0}
  .price-grid{grid-template-columns:1fr}
  .price-card.is-featured{order:-1;padding:38px 26px}
  .case-main{padding:28px}
  .case-stats{gap:24px}
  .cta-band{padding:64px 0}
  .hero-media{aspect-ratio:16/10;margin-top:24px}
}
@media (max-width:767px){
  .trust-bar{gap:24px}
  .trust-bar strong{font-size:21px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:32px}
  .news-link{flex-direction:column;align-items:stretch}
  .news-thumb{flex:none;width:100%;height:180px}
  .faq{padding:6px 18px}
  .faq-q{padding:18px 38px 18px 14px;font-size:15.5px}
  .faq-a p{padding:0 38px 18px 14px}
  .case-row{padding:16px 18px;gap:14px;align-items:flex-start}
  .case-line{font-size:14.5px}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .hero{padding:104px 0 52px}
  .hero-cta .btn{width:100%}
  .btn{height:46px;padding:0 20px}
  .hero-sub{font-size:16.5px}
  .cta-form{padding:20px}
  .foot-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --main:#4A2E86;
  --accent:#6C4BD6;
  --deep:#32205C;
  --orange:#E4632D;
  --jade:#1F9E8F;
  --bg:#FBF7F3;
  --card:#FFFFFF;
  --dark:#171226;
  --text:#2A2430;
  --muted:#6B6472;
  --line:#E7E1DA;
  --ph:#EFEAE4;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(23,18,38,.06);
  --sh-2:0 12px 28px rgba(23,18,38,.12);
  --sh-3:0 24px 48px rgba(23,18,38,.18);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--main);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
p{margin:0}
input,textarea{font:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .24s ease,box-shadow .24s ease,background-color .24s ease,color .24s ease,opacity .24s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:linear-gradient(30deg,var(--orange) 0%,#EF7B45 100%);
  box-shadow:0 8px 20px rgba(228,99,45,.26);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{border:1px solid rgba(74,46,134,.45);color:var(--main);background:transparent}
.btn-ghost:hover{background:rgba(74,46,134,.08);color:var(--main)}
.btn-ghost-light{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn:focus-visible{outline:2px solid var(--main);outline-offset:3px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 8px 24px rgba(23,18,38,.18);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:#FFFFFF;
  border-bottom-color:transparent;
  box-shadow:0 2px 12px rgba(23,18,38,.10);
}
.nav-inner{
  max-width:1200px;margin:0 auto;height:72px;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  background:linear-gradient(140deg,var(--main),var(--accent));
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:7px;box-shadow:0 6px 16px rgba(23,18,38,.28);
}
.brand-mark i{background:rgba(255,255,255,.85);border-radius:2px;display:block}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(5),.brand-mark i:nth-child(9){background:rgba(255,255,255,.42)}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-size:15px;font-weight:500;color:rgba(255,255,255,.88);
  padding:6px 0;position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover,.nav-links a.is-active{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.site-header.is-stuck .brand,.site-header.is-stuck .brand:hover{color:var(--text)}
.site-header.is-stuck .nav-links a{color:rgba(42,36,48,.78)}
.site-header.is-stuck .nav-links a:hover,.site-header.is-stuck .nav-links a.is-active{color:var(--main)}
.nav-actions{display:flex;align-items:center;gap:14px}
.search-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.28);transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.search-btn:hover{background:rgba(255,255,255,.16)}
.site-header.is-stuck .search-btn{color:var(--main);border-color:rgba(74,46,134,.24)}
.site-header.is-stuck .search-btn:hover{background:rgba(74,46,134,.08)}
.menu-toggle{display:none;width:40px;height:40px;color:#fff;font-size:19px;align-items:center;justify-content:center}
.site-header.is-stuck .menu-toggle{color:var(--text)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:120;
  background:#FDF9F5;transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-head .brand{color:var(--text)}
.drawer-head .brand-mark{width:32px;height:32px;flex:0 0 32px;padding:6px}
.drawer-close{width:36px;height:36px;border-radius:10px;font-size:18px;color:var(--muted)}
.drawer-nav{padding:8px 20px;overflow-y:auto;flex:1}
.drawer-nav a{display:block;font-size:18px;line-height:1.6;color:var(--text);padding:15px 0;border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--main);font-weight:600}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,38,.42);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- article hero ---------- */
.page-hero{
  position:relative;padding:150px 0 56px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(50,32,92,.94) 0%,rgba(74,46,134,.86) 55%,rgba(108,75,214,.72) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:#fff;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  margin-top:20px;color:#fff;font-size:clamp(28px,4vw,46px);font-weight:700;
  max-width:900px;
}
.hero-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.pill-cat{background:rgba(255,255,255,.18);color:#fff}
.pill-main{background:rgba(74,46,134,.12);color:var(--main)}
.pill-jade{background:rgba(31,158,143,.14);color:#167A6E}
.pill-orange{background:var(--orange);color:#fff}
.meta-text{font-size:13px;color:rgba(255,255,255,.78);display:inline-flex;align-items:center;gap:7px}
.meta-text i{font-size:12px;opacity:.9}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px}
.share-group span{font-size:13px;color:rgba(255,255,255,.7)}
.share-group a{
  width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.32);font-size:14px;
}
.share-group a:hover{background:rgba(255,255,255,.16);color:#fff}

/* ---------- article layout ---------- */
.article-section{padding:64px 0 var(--sec)}
.article-main{
  background:transparent;
  padding-right:8px;
}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:40px 44px;
}
.article-lead{
  font-size:17px;line-height:1.9;color:var(--muted);
  padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:32px;
  display:flex;gap:14px;align-items:flex-start;
}
.article-lead i{color:var(--orange);margin-top:6px}
.rich-text{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.rich-text p{margin:0 0 1.4em}
.rich-text h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:48px 0 18px;padding-left:16px;
  position:relative;
}
.rich-text h2::before{
  content:"";position:absolute;left:0;top:6px;width:3px;height:18px;border-radius:2px;background:var(--main);
}
.rich-text h3{font-size:20px;color:var(--deep);margin:34px 0 14px}
.rich-text h4{font-size:17px;color:var(--text);margin:26px 0 12px}
.rich-text ul,.rich-text ol{margin:0 0 1.4em;padding-left:4px}
.rich-text ul li,.rich-text ol li{position:relative;padding-left:24px;margin-bottom:10px;line-height:1.85}
.rich-text ul li::before{
  content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}
.rich-text ol{counter-reset:rt}
.rich-text ol li{counter-increment:rt}
.rich-text ol li::before{
  content:counter(rt);position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:6px;
  background:rgba(74,46,134,.12);color:var(--main);font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.rich-text blockquote{
  margin:28px 0;padding:20px 24px;border-left:4px solid var(--main);
  background:#FBF7F3;border-radius:0 12px 12px 0;color:var(--text);
}
.rich-text blockquote p:last-child{margin-bottom:0}
.rich-text img{border-radius:var(--r-img);margin:24px 0 10px;box-shadow:var(--sh-1)}
.rich-text a{color:var(--main);text-decoration:underline;text-underline-offset:4px}
.rich-text a:hover{color:var(--orange)}
.rich-text table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.rich-text th,.rich-text td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.rich-text th{background:#FBF7F3;font-weight:600;color:var(--deep)}
.rich-text hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.empty-state{
  text-align:center;padding:56px 20px;
}
.empty-state img{width:120px;margin:0 auto 18px;opacity:.75;border-radius:var(--r-img)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px;font-size:15px}

/* ---------- sidebar ---------- */
.sidebar{padding-left:8px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;margin-bottom:20px;
}
.side-card h3{
  font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:3px;height:15px;border-radius:2px;background:var(--main);
}
.toc-list li + li{border-top:1px dashed var(--line)}
.toc-list a{
  display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:14px;
  color:var(--text);line-height:1.7;
}
.toc-list a:hover{color:var(--main)}
.toc-list span{color:var(--accent);font-weight:700;font-size:12px;margin-top:4px}
.hot-list li + li{border-top:1px solid var(--line)}
.hot-list a{display:block;padding:13px 0;font-size:14.5px;color:var(--text);line-height:1.7}
.hot-list a:hover{color:var(--main)}
.hot-list small{display:block;color:var(--muted);font-size:12.5px;margin-top:5px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  font-size:13px;background:rgba(74,46,134,.08);color:var(--main);font-weight:500;
}
.tag-cloud a:hover{background:var(--main);color:#fff}
.side-cta{
  background:linear-gradient(150deg,var(--dark) 0%,#2A1C4C 100%);
  border:0;color:#fff;padding:28px 24px;
}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--orange)}
.side-cta p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);margin-bottom:18px}
.side-cta .btn{width:100%}
.side-cta .btn-ghost-light{margin-top:10px}

/* ---------- article footer ---------- */
.article-foot{padding:0 0 var(--sec)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tag-row strong{font-size:14px;color:var(--muted);font-weight:600;margin-right:4px}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:40px 0}
.post-nav a{
  display:flex;align-items:center;gap:16px;padding:22px 24px;border-radius:var(--r-card);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(74,46,134,.3)}
.post-nav .pn-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(74,46,134,.1);color:var(--main);font-size:16px;
}
.post-nav .pn-text{display:block}
.post-nav .pn-label{font-size:12.5px;color:var(--muted);display:block;margin-bottom:4px}
.post-nav .pn-title{font-size:15.5px;font-weight:600;color:var(--text);line-height:1.6}
.post-nav a:hover .pn-title{color:var(--main)}
.post-nav .pn-right{justify-content:space-between}
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.rel-head h2{font-size:clamp(22px,2.6vw,30px)}
.rel-head p{font-size:14px;color:var(--muted);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(74,46,134,.3)}
.rel-card .thumb{background:var(--ph);aspect-ratio:16/10;overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover h3{color:var(--main)}
.rel-card p{font-size:14px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.back-row{margin-top:36px;display:flex;justify-content:center}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.8);padding:64px 0 28px;margin-top:0}
.foot-grid{row-gap:32px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:32ch}
.foot-links li{line-height:1.9;font-size:14px}
.foot-links li + li{margin-top:9px}
.foot-links a{color:rgba(255,255,255,.8)}
.foot-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px}
.foot-links span{color:rgba(255,255,255,.68)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .search-btn{display:none}
  .site-header{background:#FFFFFF;border-bottom-color:transparent;box-shadow:0 2px 12px rgba(23,18,38,.10)}
  .site-header .brand,.site-header .brand:hover{color:var(--text)}
  .site-header .menu-toggle{color:var(--text)}
  .page-hero{padding-top:120px}
  .article-card{padding:32px 26px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .article-main,.sidebar{padding:0}
  .sidebar{margin-top:40px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page-hero{padding:110px 0 44px}
  .article-section{padding:40px 0 64px}
  .article-foot{padding-bottom:64px}
  .article-card{padding:26px 20px}
  .rich-text{font-size:16.5px}
  .rich-text h2{margin-top:38px}
  .post-nav{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .share-group{margin-left:0;width:100%}
  .rel-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .nav-inner{padding:0 16px;height:64px}
  .brand-name{font-size:17px}
  .brand-mark{width:32px;height:32px;flex:0 0 32px;padding:6px}
  .page-hero h1{font-size:26px}
  .foot-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
  --brand:#4A2E86;
  --brand-light:#6C4BD6;
  --brand-deep:#32205C;
  --accent:#E4632D;
  --jade:#1F9E8F;
  --bg:#FBF7F3;
  --card:#FFFFFF;
  --ink:#2A2430;
  --ink-2:#6B6472;
  --line:#E7E1DA;
  --ph:#EFEAE4;
  --dark:#171226;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(23,18,38,.06);
  --sh-2:0 12px 28px rgba(23,18,38,.12);
  --sh-3:0 24px 48px rgba(23,18,38,.18);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --nav-h:72px;
}
*,*::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:var(--font);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(28px,4vw,46px)}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:20px}
h4{font-size:16px}
::selection{background:rgba(74,46,134,.18)}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--paper{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.9}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:70;transition:background .24s ease}
.site-header .bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:var(--nav-h);max-width:1200px;margin:0 auto;padding:0 24px;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.22);
  border-top:0;
  border-radius:0 0 14px 14px;
  box-shadow:0 8px 24px rgba(23,18,38,.18);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;padding:6px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2.5px;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  box-shadow:0 6px 14px rgba(74,46,134,.32);
}
.brand-mark i{background:rgba(255,255,255,.72);border-radius:2px}
.brand-mark i:nth-child(5){background:#fff}
.brand-name{font-size:18px;font-weight:700;color:#fff;letter-spacing:.01em;transition:color .24s ease}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;color:rgba(255,255,255,.90);transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.26);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.nav-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:linear-gradient(30deg,var(--accent),#ef7a45);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 20px rgba(228,99,45,.30);transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-2)}
.burger{display:none}

.site-header.is-stuck{background:#fff;box-shadow:0 2px 12px rgba(23,18,38,.10)}
.site-header.is-stuck .bar{background:#fff;border-color:transparent;border-radius:0;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}
.site-header.is-stuck .brand-name{color:var(--ink)}
.site-header.is-stuck .nav-links a{color:var(--ink-2)}
.site-header.is-stuck .nav-links a:hover{background:rgba(74,46,134,.08);color:var(--brand)}
.site-header.is-stuck .nav-links a.is-active{color:var(--brand)}
.site-header.is-stuck .icon-btn{background:rgba(74,46,134,.08);border-color:var(--line);color:var(--brand)}

/* ---------- drawer ---------- */
.scrim{
  position:fixed;inset:0;background:rgba(23,18,38,.44);opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;z-index:80;
}
.scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:90;
  background:var(--bg);box-shadow:var(--sh-3);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:22px;
}
.drawer.is-open{transform:translateX(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__close{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:20px;color:var(--ink-2);
}
.drawer__nav{flex:1;overflow-y:auto;padding-top:8px}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 4px;font-size:18px;line-height:1.6;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer__nav a span{color:var(--ink-2);font-size:14px}
.drawer__nav a.is-active{color:var(--brand);font-weight:700}
.drawer__foot{padding-top:16px;border-top:1px solid var(--line)}
.drawer__foot .btn{width:100%}

/* ---------- hero banner ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;padding:158px 0 76px;color:#fff}
.page-hero__bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;background-color:#32205C}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(115deg,rgba(50,32,92,.90) 0%,rgba(74,46,134,.72) 58%,rgba(108,75,214,.62) 100%);
}
.page-hero .kicker{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.30);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:840px}
.page-hero__sub{margin-top:18px;max-width:640px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.90)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-chips li{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 15px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13.5px;color:rgba(255,255,255,.94);
}
.hero-chips li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--jade)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb .sep{opacity:.55}

/* ---------- sticky tabs ---------- */
.cat-tabs{
  position:sticky;top:var(--nav-h);z-index:45;
  background:rgba(251,247,243,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.cat-tabs .inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;-ms-overflow-style:none;scrollbar-width:none}
.cat-tabs .inner::-webkit-scrollbar{display:none}
.cat-tabs a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--brand);background:rgba(74,46,134,.09);
  border:1px solid transparent;white-space:nowrap;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.cat-tabs a:hover{background:rgba(74,46,134,.17);transform:translateY(-1px)}
.cat-tabs a.is-on{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(74,46,134,.26)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(30deg,var(--accent),#ef7a45);color:#fff;box-shadow:0 10px 22px rgba(228,99,45,.28)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(74,46,134,.09);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.38);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;transition:gap .2s ease,color .2s ease}
.text-link:hover{gap:10px;color:var(--accent)}

/* ---------- entries ---------- */
.entry-list{border-top:1px solid var(--line);margin-top:8px}
.entry{
  display:grid;grid-template-columns:96px minmax(0,1fr) 150px;gap:28px;align-items:start;
  padding:30px 4px;border-bottom:1px solid var(--line);transition:background .22s ease,padding .22s ease;
}
.entry:hover{background:rgba(255,255,255,.85);padding-left:16px;padding-right:16px}
.entry__no{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--brand);opacity:.5;line-height:1.1}
.entry__body h3{margin-bottom:8px}
.entry__body p{color:var(--ink-2);font-size:15px;line-height:1.85}
.entry__side{text-align:right}
.entry__side .badge{margin-bottom:10px}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-brand{background:rgba(74,46,134,.12);color:var(--brand)}
.badge-jade{background:rgba(31,158,143,.14);color:#177a6e}
.badge-accent{background:var(--accent);color:#fff}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:12px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(74,46,134,.30)}
.step__num{
  width:40px;height:40px;border-radius:12px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:16px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  box-shadow:0 8px 18px rgba(74,46,134,.26);
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--ink-2);font-size:14.5px;line-height:1.8}
.step__meta{margin-top:14px;font-size:12.5px;color:var(--jade);font-weight:600}

/* ---------- scene split ---------- */
.split-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);background:var(--ph)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;border-radius:20px}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(74,46,134,.24),rgba(23,18,38,.08))}
.split-body h2{margin-bottom:16px}
.split-body > p{color:var(--ink-2);font-size:16px;line-height:1.9}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-item{display:flex;gap:12px;align-items:flex-start}
.check-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;margin-top:4px;
  display:inline-flex;align-items:center;justify-content:center;background:rgba(31,158,143,.14);color:var(--jade);
}
.check-icon svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.check-item strong{display:block;font-size:15.5px;margin-bottom:2px}
.check-item span{color:var(--ink-2);font-size:14.5px;line-height:1.8}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.compare-card{
  border-radius:var(--r-card);padding:30px 28px;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);
}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:18px}
.compare-card h3 .dot{width:10px;height:10px;border-radius:50%}
.compare-card--bad{background:#fff;border-color:#EFD9D1}
.compare-card--bad h3 .dot{background:#C0392B}
.compare-card--bad li{color:#7A4B41}
.compare-card--good{background:linear-gradient(180deg,#fff, #F6FBFA);border-color:rgba(31,158,143,.35)}
.compare-card--good h3 .dot{background:var(--jade)}
.compare-card li{
  position:relative;padding:13px 0 13px 26px;border-bottom:1px dashed var(--line);
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.compare-card li:last-child{border-bottom:0;padding-bottom:0}
.compare-card li::before{
  content:"";position:absolute;left:0;top:21px;width:8px;height:8px;border-radius:2px;background:currentColor;opacity:.5;
}
.compare-card--good li::before{background:var(--jade);opacity:1}

/* ---------- meter ---------- */
.meter-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--sh-1);
}
.meter-row{display:grid;grid-template-columns:190px minmax(0,1fr) 96px;gap:22px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.meter-row:last-of-type{border-bottom:0}
.meter-row .label{font-weight:600;font-size:15.5px}
.meter{height:9px;border-radius:999px;background:var(--ph);overflow:hidden}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-light))}
.meter i.is-jade{background:linear-gradient(90deg,#1F9E8F,#4bc3b3)}
.meter-row .state{font-size:13.5px;font-weight:600;text-align:right;color:var(--ink-2)}
.meter-row .state.ok{color:var(--jade)}
.meter-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;color:var(--ink-2);font-size:14.5px}

/* ---------- faq ---------- */
.faq-list{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{border-color:rgba(74,46,134,.30)}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--brand),var(--sh-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;cursor:pointer;list-style:none;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--brand);font-weight:600;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.9}
.faq-body strong{color:var(--ink)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:linear-gradient(30deg,#221740 0%,var(--dark) 62%,#241a3d 100%);
  color:#fff;padding:80px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,75,214,.42),rgba(108,75,214,0) 68%);
}
.cta-band .container{position:relative}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band .lead{color:rgba(255,255,255,.80);font-size:16px;max-width:460px;line-height:1.9}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:11px}
.form-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:30px;box-shadow:var(--sh-3);
}
.form-card h3{color:#fff;font-size:19px;margin-bottom:6px}
.form-card .hint{color:rgba(255,255,255,.66);font-size:13.5px;margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:6px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.09);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(228,99,45,.30);
}
.form-card .btn{width:100%;margin-top:6px}
.form-card .tiny{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.52);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.80);padding:72px 0 26px;font-size:14.5px}
.foot-grid{gap:0}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{color:rgba(255,255,255,.62);line-height:1.9;max-width:300px;font-size:14px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;letter-spacing:.02em}
.foot-links{display:grid;gap:2px}
.foot-links li{line-height:1.9}
.foot-links a{color:rgba(255,255,255,.80);transition:color .2s ease}
.foot-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.foot-links span{color:rgba(255,255,255,.66)}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-cta{display:none}
  .site-header .bar{
    background:#fff;border-color:transparent;border-radius:0;
    box-shadow:0 2px 12px rgba(23,18,38,.10);
    -webkit-backdrop-filter:none;backdrop-filter:none;
  }
  .site-header .brand-name{color:var(--ink)}
  .site-header .icon-btn{background:rgba(74,46,134,.08);border-color:var(--line);color:var(--brand)}
  .page-hero{padding:120px 0 60px}
  .cat-tabs{position:static}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .entry{grid-template-columns:72px minmax(0,1fr);gap:20px}
  .entry__side{grid-column:2;text-align:left}
  .compare{grid-template-columns:1fr}
  .meter-row{grid-template-columns:150px minmax(0,1fr) 80px;gap:14px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .site-header .bar{height:64px;padding:0 18px}
  :root{--nav-h:64px}
  .page-hero{padding:104px 0 52px}
  .page-hero__sub{font-size:16px}
  .section{padding:48px 0}
  .sec-head{margin-bottom:30px}
  .steps{grid-template-columns:1fr;gap:14px}
  .compare-card{padding:24px 20px}
  .entry{grid-template-columns:1fr;gap:12px;padding:24px 2px}
  .entry__no{font-size:22px}
  .entry:hover{padding-left:10px;padding-right:10px}
  .meter-panel{padding:24px 20px}
  .meter-row{grid-template-columns:1fr;gap:8px}
  .meter-row .state{text-align:left}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 18px}
  .cta-band{padding:56px 0}
  .form-card{padding:24px 20px}
  .foot-bottom{margin-top:36px;font-size:12.5px}
}
@media (max-width:519px){
  .page-hero h1{font-size:26px}
  .hero-chips li{font-size:12.5px;height:30px;padding:0 12px}
  .btn{width:100%;padding:0 18px}
  .btn-sm{width:auto}
  .split-media img{aspect-ratio:4/3}
}

/* roulang page: category2 */
:root{
  --primary:#4A2E86;
  --primary-light:#6C4BD6;
  --primary-deep:#32205C;
  --accent:#E4632D;
  --accent-light:#EE7A45;
  --jade:#1F9E8F;
  --jade-deep:#147A6E;
  --bg:#FBF7F3;
  --card:#FFFFFF;
  --dark:#171226;
  --text:#2A2430;
  --text-2:#6B6472;
  --line:#E7E1DA;
  --ph:#EFEAE4;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(23,18,38,.06);
  --sh-2:0 12px 28px rgba(23,18,38,.12);
  --sh-3:0 24px 48px rgba(23,18,38,.18);
  --maxw:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.35;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
details summary{cursor:pointer;}
::selection{background:rgba(74,46,134,.18);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  --nav-text:#FFFFFF;
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 8px 24px rgba(23,18,38,.18);
  transition:background 240ms ease,box-shadow 240ms ease,border-color 240ms ease;
}
.site-header .container{display:flex;align-items:center;height:72px;gap:28px;}
.site-header.is-stuck{
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(23,18,38,.10);
  --nav-text:var(--text);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,5px);
  grid-template-rows:repeat(3,5px);
  gap:2px;
  padding:7px;
  border-radius:10px;
  background:linear-gradient(30deg,var(--primary) 0%,var(--primary-light) 100%);
  box-shadow:0 4px 10px rgba(23,18,38,.22);
}
.brand-mark i{display:block;background:rgba(255,255,255,.92);border-radius:1px;}
.site-header .brand-name{font-size:18px;font-weight:700;color:var(--nav-text);letter-spacing:-.01em;transition:color 240ms ease;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--nav-text);
  padding:6px 2px;
  transition:color 200ms ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--accent);border-radius:2px;transition:width 240ms ease;
}
.nav-links a:hover::after,.nav-links a.is-active::after{width:100%;}
.nav-links a:hover{color:var(--accent);}
.nav-links a.is-active{font-weight:600;}
.site-header.is-stuck .nav-links a:hover{color:var(--accent);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:var(--nav-text);
  cursor:pointer;
  transition:background 200ms ease,transform 200ms ease,color 240ms ease,border-color 240ms ease;
}
.icon-btn:hover{background:rgba(255,255,255,.26);transform:translateY(-1px);}
.site-header.is-stuck .icon-btn{background:rgba(74,46,134,.08);border-color:rgba(74,46,134,.18);color:var(--primary);}
.site-header.is-stuck .icon-btn:hover{background:rgba(74,46,134,.14);}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:transform 200ms ease,box-shadow 200ms ease,background 200ms ease,color 200ms ease,border-color 200ms ease,filter 200ms ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-primary{
  background:linear-gradient(30deg,var(--accent) 0%,var(--accent-light) 100%);
  color:#fff;
  box-shadow:0 6px 16px rgba(228,99,45,.28);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-ghost:hover{background:rgba(74,46,134,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn:focus-visible,.icon-btn:focus-visible,.nav-toggle:focus-visible,a:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary-light);outline-offset:2px;
}
.nav-toggle{
  display:none;
  flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:42px;padding:0 10px;
  border-radius:12px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--nav-text);transition:background 240ms ease;}
.site-header.is-stuck .nav-toggle{background:rgba(74,46,134,.08);border-color:rgba(74,46,134,.18);}

/* search panel */
.search-panel{
  position:fixed;top:72px;left:0;right:0;z-index:59;
  background:#fff;
  border-bottom:1px solid transparent;
  max-height:0;overflow:hidden;
  transition:max-height .3s ease,border-color .3s ease;
}
.search-panel.is-open{max-height:180px;border-bottom-color:var(--line);box-shadow:0 12px 28px rgba(23,18,38,.10);}
.search-panel .container{padding-top:18px;padding-bottom:18px;}
.search-form{display:flex;gap:12px;align-items:center;}
.search-form input{
  flex:1;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#FBF7F3;font-size:15px;
}
.search-form input:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(108,75,214,.16);background:#fff;}
.search-tip{margin:10px 0 0;font-size:13px;color:var(--text-2);min-height:0;}
.search-tip:empty{display:none;}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,38,.45);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;
  background:#FBF7F3;z-index:80;
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:24px;
  box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head .brand-name{font-size:17px;font-weight:700;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--text-2);}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{font-size:18px;line-height:1.6;padding:16px 0;border-bottom:1px solid var(--line);color:var(--text);}
.drawer-nav a.is-active{color:var(--primary);font-weight:700;}
.drawer-cta{margin-top:auto;padding-top:20px;}
.drawer-cta .btn{width:100%;}

/* ---------- hero ---------- */
.hero-banner{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  padding:112px 0 52px;
  color:#fff;
  background-image:linear-gradient(100deg,rgba(50,32,92,.88) 0%,rgba(74,46,134,.66) 58%,rgba(23,18,38,.58) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.76);margin-bottom:16px;}
.crumb a{color:rgba(255,255,255,.76);}
.crumb a:hover{color:#fff;}
.crumb span[aria-current]{color:#fff;}
.hero-banner h1{font-size:clamp(26px,3.6vw,42px);font-weight:700;max-width:22em;}
.hero-sub{margin:14px 0 18px;font-size:clamp(15px,1.6vw,17px);color:rgba(255,255,255,.88);max-width:34em;line-height:1.8;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.hero-chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
}

/* ---------- subnav ---------- */
.subnav{
  position:sticky;top:72px;z-index:50;
  background:rgba(251,247,243,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.subnav .container{display:flex;gap:10px;overflow-x:auto;padding-top:14px;padding-bottom:14px;scrollbar-width:none;}
.subnav .container::-webkit-scrollbar{display:none;}
.pill-nav{display:flex;gap:10px;}
.pill-nav a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;font-size:14px;font-weight:600;white-space:nowrap;
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  transition:background 200ms ease,color 200ms ease,border-color 200ms ease,transform 200ms ease;
}
.pill-nav a:hover{border-color:rgba(74,46,134,.35);color:var(--primary);transform:translateY(-1px);}
.pill-nav a.is-active{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section--alt{background:#fff;}
.section--soft{background:#F4F0FA;}
.section-head{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-end;justify-content:space-between;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);max-width:24em;}
.section-note{margin:0;color:var(--text-2);font-size:15px;max-width:34em;}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;margin-bottom:14px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(74,46,134,.12);color:var(--primary);
}
.section h2{font-size:clamp(22px,2.6vw,30px);}
.section h3{font-size:20px;}
.figure{
  border-radius:var(--r-img);overflow:hidden;background:var(--ph);
  box-shadow:var(--sh-2);height:100%;
}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease;}
.figure:hover img{transform:scale(1.03);}
.lead{font-size:17px;color:var(--text-2);}
.check-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);}
.check-list li::before{
  content:"✓";
  flex:0 0 auto;
  width:22px;height:22px;margin-top:3px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(31,158,143,.14);color:var(--jade-deep);
  font-size:12px;font-weight:700;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary);
  border-bottom:1px solid rgba(74,46,134,.3);padding-bottom:2px;
  transition:color 200ms ease,border-color 200ms ease,gap 200ms ease;
}
.text-link:hover{color:var(--accent);border-color:var(--accent);gap:10px;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;}
.badge--primary{background:rgba(74,46,134,.12);color:var(--primary);}
.badge--jade{background:rgba(31,158,143,.14);color:var(--jade-deep);}
.badge--accent{background:var(--accent);color:#fff;}

/* ---------- schedule list ---------- */
.sched{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.sched-row{
  display:grid;grid-template-columns:132px minmax(0,1fr) 130px 24px;
  gap:20px;align-items:center;
  padding:22px 24px;
  border-top:1px solid var(--line);
  transition:background 220ms ease;
}
.sched-row:first-child{border-top:0;}
.sched-row:hover{background:#FAF5F0;}
.sched-time{font-size:14px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;}
.sched-main h3{font-size:17px;margin-bottom:6px;}
.sched-main p{margin:0;font-size:14px;color:var(--text-2);line-height:1.8;}
.sched-arrow{color:var(--text-2);font-size:18px;text-align:right;transition:transform 220ms ease,color 220ms ease;}
.sched-row:hover .sched-arrow{transform:translateX(4px);color:var(--accent);}

/* ---------- scene grid ---------- */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.scene-cell{background:#fff;padding:28px 26px;}
.scene-cell h3{font-size:17px;margin-bottom:8px;}
.scene-cell p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.scene-num{display:block;font-size:12px;font-weight:700;color:var(--jade-deep);letter-spacing:.08em;margin-bottom:10px;}

/* ---------- picks ---------- */
.picks-grid{align-items:stretch;}
.picks-grid>.cell{display:flex;}
.feature-card{
  display:flex;flex-direction:column;width:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 240ms ease,box-shadow 240ms ease,border-color 240ms ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(74,46,134,.3);}
.feature-card .figure{border-radius:0;box-shadow:none;}
.feature-card .figure img{aspect-ratio:16/9;}
.feature-body{padding:26px;display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.feature-body h3{font-size:21px;}
.feature-body p{margin:0;font-size:15px;color:var(--text-2);line-height:1.85;}
.mini-stack{display:flex;flex-direction:column;gap:20px;width:100%;}
.mini-card{
  display:flex;gap:16px;align-items:flex-start;flex:1;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
  transition:transform 240ms ease,box-shadow 240ms ease,border-color 240ms ease;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(74,46,134,.3);}
.mini-card .thumb{
  flex:0 0 120px;height:96px;border-radius:12px;overflow:hidden;background:var(--ph);
}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;}
.mini-card h3{font-size:16px;margin-bottom:6px;}
.mini-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- trust ---------- */
.score{display:flex;align-items:baseline;gap:14px;margin:8px 0 6px;}
.score-num{font-size:52px;font-weight:700;line-height:1;color:var(--primary);font-variant-numeric:tabular-nums;}
.score-meta{font-size:13px;color:var(--text-2);}
.score-rows{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.score-row{display:flex;flex-direction:column;gap:8px;}
.score-row span{display:flex;justify-content:space-between;font-size:13.5px;color:var(--text-2);}
.score-bar{height:6px;border-radius:999px;background:#E6E0F0;overflow:hidden;}
.score-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(30deg,var(--primary) 0%,var(--primary-light) 100%);}
.quotes{display:flex;flex-direction:column;gap:18px;}
.quote{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
}
.quote .mark{
  flex:0 0 40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,158,143,.14);color:var(--jade-deep);
  font-size:18px;font-weight:700;
}
.quote p{margin:0 0 8px;font-size:15px;line-height:1.85;}
.quote cite{font-style:normal;font-size:13px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color 200ms ease,box-shadow 200ms ease;
}
.faq-item[open]{border-color:rgba(74,46,134,.35);box-shadow:var(--sh-1);}
.faq-q{
  position:relative;display:block;
  padding:18px 56px 18px 20px;
  font-size:16px;font-weight:700;
  list-style:none;
  transition:padding 200ms ease,border-color 200ms ease;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--primary);line-height:1;
  transition:color 200ms ease;
}
.faq-item[open] .faq-q{border-left:3px solid var(--primary);padding-left:17px;}
.faq-item[open] .faq-q::after{content:"–";color:var(--accent);}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--text-2);}
.faq-a p{margin:0;}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(30deg,#171226 0%,#241A3D 65%,#32205C 100%);
  color:#fff;
  padding:88px 0;
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-points span{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
}
.cta-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-3);
}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:13px;color:rgba(255,255,255,.72);font-weight:600;}
.field input,.field select{
  height:48px;padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;
  transition:border-color 200ms ease,box-shadow 200ms ease,background 200ms ease;
}
.field select option{color:#2A2430;}
.field input::placeholder{color:rgba(255,255,255,.5);}
.field input:focus,.field select:focus{
  outline:none;background:rgba(255,255,255,.14);
  border-color:var(--primary-light);
  box-shadow:0 0 0 3px rgba(108,75,214,.4);
}
.cta-card .btn{width:100%;}
.form-note{margin:14px 0 0;font-size:13px;color:rgba(255,255,255,.72);min-height:0;}
.form-note:empty{display:none;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff;padding:64px 0 28px;}
.site-footer .brand{color:#fff;}
.site-footer .brand-name{font-size:18px;font-weight:700;color:#fff;}
.foot-grid{row-gap:32px;}
.site-footer h4{font-size:15px;margin-bottom:16px;color:#fff;}
.site-footer p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.9;}
.foot-brand p{margin-top:16px;max-width:28em;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a,.foot-links span{font-size:14px;line-height:1.9;color:rgba(255,255,255,.8);transition:color 200ms ease;}
.foot-links a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.foot-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.foot-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.62);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .sched-row{grid-template-columns:120px minmax(0,1fr) 120px 20px;}
}
@media (max-width:1023px){
  .site-header{
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:none;
    backdrop-filter:none;
    border-bottom:1px solid var(--line);
    box-shadow:0 2px 12px rgba(23,18,38,.10);
    --nav-text:var(--text);
  }
  .nav-links{display:none;}
  .nav-actions{margin-left:auto;}
  .nav-toggle{display:flex;}
  .icon-btn{background:rgba(74,46,134,.08);border-color:rgba(74,46,134,.18);color:var(--primary);}
  .section{padding:64px 0;}
  .cta-band{padding:64px 0;}
  .sched-row{grid-template-columns:110px minmax(0,1fr);grid-template-areas:"time main" "tag arrow";row-gap:14px;}
  .sched-time{grid-area:time;}
  .sched-main{grid-area:main;}
  .sched-tag{grid-area:tag;}
  .sched-arrow{grid-area:arrow;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .hero-banner{padding:104px 0 44px;min-height:260px;}
  .section-head{margin-bottom:28px;}
  .scene-grid{grid-template-columns:1fr;}
  .mini-card .thumb{flex:0 0 96px;height:84px;}
  .score-num{font-size:44px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .btn{padding:0 20px;}
  .brand-name{font-size:16px;}
  .nav-actions .btn-primary{display:none;}
  .hero-chips{gap:8px;}
  .sched-row{padding:18px;}
  .sched-main h3{font-size:16px;}
  .mini-card{flex-direction:column;}
  .mini-card .thumb{flex:0 0 auto;width:100%;height:150px;}
  .feature-body{padding:20px;}
  .cta-card{padding:20px;}
}