/* roulang page: index */
:root{
  --ink-900:#0B0A1F;
  --ink-800:#131029;
  --ink-700:#1B1740;
  --nebula-600:#5A4BE0;
  --nebula-500:#7B6BFF;
  --nebula-100:#EEEBFF;
  --star-cyan:#35D0BA;
  --star-cyan-soft:rgba(53,208,186,.16);
  --comet:#FF8A5C;
  --comet-deep:#D9603A;
  --paper:#F7F5FF;
  --paper-2:#FFFFFF;
  --line:#E4DFF5;
  --line-dark:rgba(242,240,255,.14);
  --text:#171528;
  --muted:#5B5876;
  --on-dark:#F2F0FF;
  --on-dark-muted:#B4AFD6;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-light:0 6px 20px rgba(90,75,224,.08);
  --shadow-dark:0 8px 24px rgba(11,10,31,.28);
  --sidebar-w:248px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--nebula-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--star-cyan)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px}
:focus-visible{outline:3px solid var(--star-cyan);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums}

/* ---------- 侧栏导航 ---------- */
.app-shell{min-height:100vh}
.site-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-900);color:var(--on-dark);
  display:flex;flex-direction:column;
  padding:24px 16px 20px;z-index:80;
  border-right:1px solid rgba(242,240,255,.07);
  overflow-y:auto;
}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 6px 20px;border-bottom:1px solid rgba(242,240,255,.1)}
.brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-size:18px;font-weight:700;letter-spacing:.02em}
.brand:hover{color:#fff}
.brand-mark{width:26px;height:26px;flex:0 0 26px;color:var(--star-cyan)}
.brand-sub{display:block;font-size:11px;font-weight:400;letter-spacing:.16em;color:var(--on-dark-muted);margin-top:2px}
.sidebar-close{display:none;background:none;border:1px solid rgba(242,240,255,.2);color:var(--on-dark);width:34px;height:34px;border-radius:8px;font-size:18px;line-height:1}
.sidebar-nav{display:flex;flex-direction:column;gap:6px;margin-top:20px;flex:1 1 auto}
.nav-label{font-size:11.5px;letter-spacing:.18em;color:#6F6A96;padding:0 16px 8px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:12px 16px;border-radius:8px;
  color:var(--on-dark-muted);font-size:15px;
  transition:background .18s ease,color .18s ease;
}
.nav-link svg{width:18px;height:18px;flex:0 0 18px;color:var(--star-cyan);opacity:.85}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:22px;border-radius:2px;
  background:var(--star-cyan);transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform .18s ease;
}
.nav-link:hover{background:rgba(242,240,255,.06);color:var(--on-dark)}
.nav-link.is-active{background:rgba(123,107,255,.16);color:#fff;font-weight:600}
.nav-link.is-active::before{transform:translateY(-50%) scaleY(1)}
.sidebar-cta{margin:22px 0 18px;padding-top:18px;border-top:1px solid rgba(242,240,255,.1)}
.sidebar-foot{font-size:12.5px;line-height:1.9;color:#807BA6;padding:0 6px}
.sidebar-foot strong{color:var(--on-dark-muted);font-weight:600}
.sidebar-foot a{color:#807BA6}
.sidebar-foot a:hover{color:var(--star-cyan)}
.mobile-bar{display:none}
.sidebar-backdrop{display:none}
.site-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.site-content{flex:1 1 auto}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--nebula-600);color:#fff;box-shadow:0 8px 20px rgba(90,75,224,.28)}
.btn-primary:hover{background:var(--nebula-500);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--on-dark);border-color:rgba(242,240,255,.36)}
.btn-ghost:hover{background:rgba(123,107,255,.18);border-color:var(--nebula-500);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--nebula-600);border-color:rgba(90,75,224,.32)}
.btn-outline:hover{background:rgba(90,75,224,.08);color:var(--nebula-600);transform:translateY(-1px)}
.btn-block{width:100%}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--nebula-100);color:var(--nebula-600)}
.badge-comet{background:rgba(255,138,92,.16);color:var(--comet-deep)}
.badge-dark{background:rgba(242,240,255,.12);color:var(--on-dark)}
.badge-cyan{background:var(--star-cyan-soft);color:#1C8E7F}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink-900);color:var(--on-dark)}
.section-dark .section-head p{color:var(--on-dark-muted)}
.section-alt{background:var(--paper-2)}
.section-head{margin-bottom:46px;max-width:800px}
.section-head h2{font-size:32px}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px}
.section-head-row .section-head{margin-bottom:0}
.link-more{font-size:15px;font-weight:600;color:var(--nebula-600);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--star-cyan)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--star-cyan);text-transform:uppercase}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--star-cyan);display:inline-block}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--on-dark);
  background-color:var(--ink-900);
  background-image:linear-gradient(115deg,rgba(11,10,31,.95) 0%,rgba(11,10,31,.88) 46%,rgba(11,10,31,.74) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(242,240,255,.14) 1px,transparent 1px);
  background-size:24px 24px;opacity:.55;
}
.hero-inner{position:relative;z-index:2;padding:92px 0 84px}
.hero-title{font-size:46px;line-height:1.22;margin-top:20px;letter-spacing:-.02em}
.hero-sub{margin-top:18px;font-size:18px;color:#D6D2F2;max-width:560px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-facts li{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:999px;
  background:rgba(242,240,255,.1);border:1px solid rgba(242,240,255,.14);
  font-size:13.5px;color:var(--on-dark);font-variant-numeric:tabular-nums;
}
.hero-facts li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--star-cyan)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-note{margin-top:20px;font-size:13.5px;color:#FFBFA3}
.hero-visual{position:relative}
.hero-figure{margin:0;border-radius:16px;overflow:hidden;border:1px solid rgba(242,240,255,.14);box-shadow:var(--shadow-dark)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-card{
  margin-top:-34px;margin-left:24px;width:calc(100% - 48px);
  background:rgba(27,23,64,.94);border:1px solid var(--line-dark);
  border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-dark);position:relative;z-index:2;
}
.hero-card-label{font-size:12.5px;letter-spacing:.12em;color:var(--star-cyan)}
.hero-card-value{margin-top:6px;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff}
.hero-card-desc{margin-top:4px;font-size:13px;color:var(--on-dark-muted)}

/* ---------- 数据条 ---------- */
.stats-grid{gap:0}
.stat-cell{display:flex;flex-direction:column;gap:4px;padding:26px 24px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-light);height:100%}
.stat-num{font-size:30px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num span{font-size:15px;font-weight:600;color:var(--nebula-600);margin-left:4px}
.stat-label{font-size:14px;color:var(--muted)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding:8px 0 0}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;margin-left:-1px;
  background:linear-gradient(180deg,rgba(53,208,186,.7),rgba(123,107,255,.45) 60%,rgba(242,240,255,.08));
}
.tl-item{position:relative;width:50%;padding:0 52px 40px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 40px 52px}
.tl-dot{
  position:absolute;top:6px;right:-7px;width:14px;height:14px;border-radius:50%;
  background:var(--star-cyan);box-shadow:0 0 0 4px rgba(53,208,186,.2);
}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-7px}
.tl-dot.is-future{background:rgba(242,240,255,.35);box-shadow:0 0 0 4px rgba(242,240,255,.08)}
.tl-time{font-size:14px;font-weight:600;color:var(--star-cyan);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.tl-title{margin-top:6px;font-size:19px;color:#fff}
.tl-desc{margin-top:6px;font-size:14.5px;color:var(--on-dark-muted)}
.tl-end{position:relative;text-align:center;font-size:12.5px;letter-spacing:.2em;color:#6F6A96;padding-top:8px}

/* ---------- 嘉宾 / 亮点 ---------- */
.speaker-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-light);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.speaker-card:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.4);box-shadow:0 12px 28px rgba(90,75,224,.12)}
.speaker-media{position:relative;overflow:hidden}
.speaker-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.speaker-card:hover .speaker-media img{transform:scale(1.02)}
.speaker-media .badge{position:absolute;left:16px;top:16px;background:rgba(11,10,31,.78);color:#fff}
.speaker-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.speaker-body h3{font-size:21px}
.speaker-role{font-size:13.5px;color:var(--nebula-600);font-weight:600}
.speaker-body p{font-size:15px;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;color:var(--muted);background:var(--paper);border:1px solid var(--line)}
.speaker-mini{display:flex;gap:18px;align-items:center;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;height:100%;box-shadow:var(--shadow-light);transition:transform .2s ease,border-color .2s ease}
.speaker-mini:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.4)}
.speaker-mini img{width:88px;height:88px;flex:0 0 88px;border-radius:12px;object-fit:cover}
.speaker-mini h3{font-size:17px}
.speaker-mini p{font-size:14px;color:var(--muted);margin-top:4px}

/* ---------- 档位对比 ---------- */
.tier-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--paper-2);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-light)}
.tier-table th,.tier-table td{padding:0 20px;height:48px;text-align:center;font-size:15px;border-bottom:1px solid var(--line)}
.tier-table thead th{height:64px;font-size:16px;background:var(--paper);vertical-align:middle}
.tier-table thead th:first-child{text-align:left;color:var(--muted);font-size:14px;font-weight:500}
.tier-table tbody td:first-child{text-align:left;color:var(--muted);font-size:14.5px}
.tier-table tbody tr:last-child td{border-bottom:none}
.tier-table tbody tr:nth-child(even) td{background:#FBFAFF}
.tier-table .is-rec{background:rgba(90,75,224,.07)!important;position:relative}
.tier-table thead th.is-rec{box-shadow:inset 0 3px 0 var(--nebula-600);background:rgba(90,75,224,.1)}
.tier-name{display:block;font-size:17px;font-weight:700;color:var(--text)}
.tier-price{display:block;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:2px}
.tier-mark{font-weight:700;color:var(--nebula-600)}
.tier-mark-off{color:#B7B2CE}
.tier-tabs{display:none}
.tier-panel{display:none}
.tier-panel.is-active{display:block}
.tier-mobile-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-light)}
.tier-mobile-card h3{font-size:19px}
.tier-mobile-card .tier-price{font-size:14px}
.tier-mobile-list{margin-top:16px;border-top:1px solid var(--line)}
.tier-mobile-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text)}
.tier-mobile-list li span:last-child{font-weight:700;color:var(--nebula-600)}
.tier-mobile-list li.is-off span:last-child{color:#B7B2CE}
.tier-tabs{display:none;gap:8px;margin-bottom:18px}
.tier-tab{flex:1 1 0;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--paper-2);color:var(--muted);font-size:14.5px;font-weight:600;transition:all .18s ease}
.tier-tab.is-active{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff}
.tier-note{margin-top:18px;font-size:13.5px;color:var(--muted)}

/* ---------- 报名 CTA ---------- */
.signup-section{
  position:relative;overflow:hidden;color:var(--on-dark);
  background-color:var(--ink-900);
  background-image:linear-gradient(120deg,rgba(11,10,31,.96),rgba(27,23,64,.9)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.signup-inner{position:relative;z-index:2;padding:88px 0}
.signup-copy h2{font-size:34px}
.signup-copy p{margin-top:16px;font-size:16.5px;color:var(--on-dark-muted);max-width:460px}
.deadline{
  display:inline-flex;align-items:center;gap:10px;margin-top:24px;
  padding:12px 18px;border-radius:12px;background:rgba(255,138,92,.14);
  border:1px solid rgba(255,138,92,.32);color:#FFC2A6;font-size:14.5px;
}
.signup-points{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.signup-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#D6D2F2}
.signup-points li::before{content:"";width:16px;height:1px;background:var(--star-cyan);margin-top:12px;flex:0 0 16px}
.form-card{background:rgba(242,240,255,.05);border:1px solid var(--line-dark);border-radius:16px;padding:26px;box-shadow:var(--shadow-dark)}
.form-card h3{font-size:20px;color:#fff;margin-bottom:6px}
.form-hint{font-size:13.5px;color:var(--on-dark-muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--on-dark-muted);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border-radius:var(--radius-input);
  border:1px solid rgba(242,240,255,.22);background:rgba(11,10,31,.4);color:var(--on-dark);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:#8B86AE}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--nebula-500);box-shadow:0 0 0 3px rgba(123,107,255,.22)}
.field select option{color:var(--text)}
.field-error{display:none;margin-top:6px;font-size:12px;color:var(--comet)}
.field.has-error .field-error{display:block}
.field.has-error input,.field.has-error select{border-color:var(--comet)}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--nebula-500)}
.check-row label{font-size:13.5px;color:var(--on-dark-muted);line-height:1.6}
.check-row a{color:var(--star-cyan)}
.form-success{display:none;margin-top:14px;font-size:14px;color:#8FE3D4}
.form-success.is-show{display:block}

/* ---------- 资讯列表 ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-light);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.4);box-shadow:0 12px 28px rgba(90,75,224,.12)}
.news-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:var(--nebula-600)}
.news-summary{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.news-date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-link{font-size:13.5px;font-weight:600;color:var(--nebula-600)}
.news-empty{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:var(--paper-2);
}
.news-empty-dots{display:flex;justify-content:center;gap:10px;margin-bottom:18px}
.news-empty-dots span{width:8px;height:8px;border-radius:50%;background:var(--nebula-500);opacity:.55}
.news-empty-dots span:nth-child(2){opacity:.35}
.news-empty-dots span:nth-child(3){opacity:.2}
.news-empty p{color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:rgba(90,75,224,.28)}
.faq-item.is-open{border-color:rgba(90,75,224,.4);box-shadow:var(--shadow-light)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;background:none;border:none;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-icon{width:24px;height:24px;flex:0 0 24px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--nebula-600);transition:background .18s,color .18s}
.faq-item.is-open .faq-icon{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--on-dark);padding:72px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{font-size:19px}
.footer-brand p{margin-top:16px;font-size:14.5px;color:var(--on-dark-muted);max-width:300px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14.5px;color:var(--on-dark-muted)}
.footer-col a:hover{color:var(--star-cyan)}
.footer-bottom{margin-top:52px;padding-top:20px;border-top:1px solid rgba(242,240,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:#807BA6}
.footer-bottom a{color:#807BA6}
.footer-bottom a:hover{color:var(--star-cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-title{font-size:40px}
  .section{padding:84px 0}
}
@media (max-width:1023px){
  :root{--gutter:20px}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:62px;padding:0 18px;z-index:90;
    background:rgba(11,10,31,.97);border-bottom:1px solid rgba(242,240,255,.08);
  }
  .mobile-bar .brand{font-size:17px}
  .nav-toggle{width:42px;height:42px;border-radius:10px;border:1px solid rgba(242,240,255,.18);background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--on-dark)}
  .site-sidebar{width:min(88vw,320px);transform:translateX(-103%);transition:transform .28s cubic-bezier(.4,0,.2,1);padding-top:22px}
  .site-sidebar.is-open{transform:translateX(0)}
  .sidebar-close{display:flex;align-items:center;justify-content:center}
  .sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(11,10,31,.62);z-index:85}
  .sidebar-backdrop.is-show{display:block}
  body.nav-open{overflow:hidden}
  .site-main{margin-left:0;padding-top:62px}
  .hero-inner{padding:64px 0 60px}
  .hero-title{font-size:34px}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .section-head{margin-bottom:34px}
  .section-head h2{font-size:26px}
  .signup-copy h2{font-size:28px}
  .signup-inner{padding:64px 0}
  .timeline::before{left:7px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 32px 36px}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:1px;right:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .hero-title{font-size:30px}
  .hero-sub{font-size:16.5px}
  .hero-actions .btn{width:100%}
  .hero-card{margin-left:0;width:100%}
  .stat-cell{padding:20px}
  .tier-table{display:none}
  .tier-tabs{display:flex}
  .section-head h2{font-size:24px}
  .signup-copy h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .speaker-mini{flex-direction:row}
}
@media (max-width:520px){
  .hero-facts li{font-size:12.5px;height:30px}
  .brand{font-size:16px}
  .btn{height:46px;padding:0 20px}
  .news-body{padding:18px}
}

/* roulang page: article */
:root{
  --ink-900:#0B0A1F;
  --ink-700:#1B1740;
  --ink-600:#25205A;
  --nebula-600:#5A4BE0;
  --nebula-500:#7B6BFF;
  --star-cyan:#35D0BA;
  --comet:#FF8A5C;
  --paper:#F7F5FF;
  --paper-2:#FFFFFF;
  --line:#E4DFF5;
  --text:#171528;
  --muted:#5B5876;
  --muted-soft:#9A96B4;
  --reverse:#F2F0FF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-deep:0 8px 24px rgba(11,10,31,.28);
  --shadow-soft:0 6px 20px rgba(90,75,224,.08);
  --space-section:96px;
  --space-section-sm:56px;
  --sidebar-w:248px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Source Han Serif SC","Songti SC","Noto Serif SC",Georgia,serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--paper);
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--star-cyan);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}
.foundation-default-clean a{color:inherit;}
/* ============ layout ============ */
.layout{
  display:flex;
  align-items:flex-start;
  max-width:1640px;
  margin:0 auto;
}
.site-main{flex:1 1 auto;min-width:0;}
.container{
  width:100%;
  max-width:1140px;
  margin:0 auto;
  padding:0 24px;
}
/* ============ sidebar ============ */
.site-sidebar{
  flex:0 0 var(--sidebar-w);
  width:var(--sidebar-w);
  align-self:stretch;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  background:
    radial-gradient(circle at 18% 8%, rgba(123,107,255,.22), transparent 55%),
    var(--ink-900);
  color:var(--reverse);
  padding:26px 18px 22px;
  border-right:1px solid rgba(242,240,255,.08);
  z-index:60;
}
.site-sidebar .brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:19px;
  color:var(--reverse);
  letter-spacing:.04em;
  padding:4px 8px 18px;
}
.brand-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(150deg,var(--nebula-600),var(--ink-700));
  border:1px solid rgba(53,208,186,.45);
  color:var(--star-cyan);
  flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;}
.side-label{
  font-size:12px;
  letter-spacing:.18em;
  color:rgba(242,240,255,.45);
  padding:14px 10px 8px;
  text-transform:uppercase;
}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:12px 16px;
  border-radius:8px;
  font-size:15px;
  color:rgba(242,240,255,.76);
  transition:background .18s ease,color .18s ease;
}
.side-nav a .nav-ico{color:var(--star-cyan);opacity:.85;flex:0 0 auto;}
.side-nav a .nav-ico svg{width:18px;height:18px;display:block;}
.side-nav a:hover{background:rgba(242,240,255,.07);color:var(--reverse);}
.side-nav a.is-active{
  background:rgba(123,107,255,.18);
  color:#FFFFFF;
  font-weight:600;
}
.side-nav a.is-active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:3px;
  background:var(--star-cyan);
}
.side-cta{margin:22px 4px 8px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  padding:12px 22px;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  border:1px solid transparent;
  line-height:1.2;
}
.btn-primary{background:var(--nebula-600);color:#fff;box-shadow:0 6px 18px rgba(90,75,224,.28);}
.btn-primary:hover{background:var(--nebula-500);transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:rgba(242,240,255,.32);color:var(--reverse);}
.btn-outline:hover{background:rgba(123,107,255,.14);border-color:var(--nebula-500);}
.btn-light{background:#FFFFFF;color:var(--ink-900);border-color:var(--line);box-shadow:var(--shadow-soft);}
.btn-light:hover{border-color:var(--nebula-500);color:var(--nebula-600);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{background:rgba(90,75,224,.08);border-color:var(--nebula-500);color:var(--nebula-600);}
.btn-block{width:100%;}
.side-foot{
  margin-top:26px;
  padding:16px 10px 4px;
  border-top:1px solid rgba(242,240,255,.1);
  font-size:12.5px;
  line-height:1.9;
  color:rgba(242,240,255,.52);
}
.side-foot strong{color:rgba(242,240,255,.78);font-weight:600;}
/* mobile bar */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:70;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 18px;
  background:rgba(11,10,31,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(242,240,255,.1);
}
.mobile-bar .brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-serif);
  font-size:17px;font-weight:800;color:var(--reverse);letter-spacing:.04em;
}
.mobile-bar .brand-mark{width:28px;height:28px;border-radius:9px;}
.nav-toggle{
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid rgba(242,240,255,.22);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--reverse);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.sidebar-mask{
  display:none;
  position:fixed;inset:0;
  background:rgba(11,10,31,.6);
  z-index:55;
}
.sidebar-mask.is-open{display:block;}
/* ============ article intro ============ */
.article-head{
  background:
    radial-gradient(circle at 88% 0%, rgba(90,75,224,.35), transparent 52%),
    linear-gradient(180deg,var(--ink-900) 0%, var(--ink-700) 100%);
  color:var(--reverse);
  padding:52px 0 60px;
  position:relative;
  overflow:hidden;
}
.article-head::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,240,255,.16) 1px, transparent 1px);
  background-size:18px 18px;
  opacity:.5;
  pointer-events:none;
}
.article-head .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;
  color:rgba(242,240,255,.6);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(242,240,255,.78);border-bottom:1px solid transparent;padding-bottom:1px;}
.breadcrumb a:hover{color:var(--star-cyan);border-bottom-color:rgba(53,208,186,.6);}
.breadcrumb .sep{color:rgba(242,240,255,.32);}
.breadcrumb .current{color:rgba(242,240,255,.95);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.badge{
  display:inline-flex;align-items:center;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  padding:5px 13px;
  line-height:1.5;
}
.badge-nebula{background:rgba(123,107,255,.22);color:#CFC7FF;border:1px solid rgba(123,107,255,.45);}
.badge-cyan{background:rgba(53,208,186,.16);color:#8FF0E2;border:1px solid rgba(53,208,186,.4);}
.badge-comet{background:rgba(255,138,92,.16);color:#FFBFA1;border:1px solid rgba(255,138,92,.45);}
.article-head h1{
  font-family:var(--font-serif);
  font-size:42px;
  line-height:1.32;
  color:#FFFFFF;
  max-width:900px;
  margin:18px 0 20px;
  letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13.5px;
  color:rgba(242,240,255,.66);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--star-cyan);display:inline-block;}
.article-meta .meta-tag{padding:3px 10px;border-radius:var(--radius-pill);background:rgba(242,240,255,.1);color:rgba(242,240,255,.85);font-size:12px;}
/* cover */
.cover-wrap{margin:-38px 0 0;}
.cover-frame{
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-deep);
  border:1px solid var(--line);
  background:var(--ink-700);
  aspect-ratio:16/9;
}
.cover-frame img{width:100%;height:100%;object-fit:cover;}
/* ============ article body ============ */
.section{padding:var(--space-section) 0;}
.section-tight{padding:64px 0;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 258px;
  gap:56px;
  align-items:start;
}
.article-body{
  max-width:840px;
  font-size:17px;
  line-height:1.92;
  color:var(--text);
}
.article-body p{margin:0 0 22px;}
.article-body h2{
  position:relative;
  font-size:29px;
  line-height:1.4;
  margin:52px 0 20px;
  padding-left:18px;
  font-family:var(--font-serif);
  letter-spacing:.01em;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.22em;
  width:4px;height:.95em;
  border-radius:2px;
  background:var(--star-cyan);
}
.article-body h3{
  font-size:21px;
  margin:36px 0 14px;
  color:var(--ink-700);
}
.article-body h4{
  font-size:17.5px;
  margin:28px 0 12px;
  color:var(--muted);
  letter-spacing:.02em;
}
.article-body a{
  color:var(--nebula-500);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
  transition:color .18s ease;
}
.article-body a:hover{color:var(--star-cyan);}
.article-body strong{font-weight:700;color:var(--ink-900);}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:4px;}
.article-body li{position:relative;padding-left:24px;margin-bottom:12px;}
.article-body ul>li::before{
  content:"✦";
  position:absolute;left:0;top:0;
  color:var(--star-cyan);
  font-size:13px;
  line-height:1.95;
}
.article-body ol{counter-reset:item;}
.article-body ol>li{counter-increment:item;padding-left:30px;}
.article-body ol>li::before{
  content:counter(item);
  position:absolute;left:0;top:3px;
  width:20px;height:20px;
  border-radius:50%;
  background:rgba(90,75,224,.1);
  color:var(--nebula-600);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
}
.article-body blockquote{
  margin:28px 0;
  padding:18px 24px;
  border-left:4px solid var(--nebula-600);
  background:rgba(90,75,224,.06);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--muted);
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:12px;
  margin:26px 0 8px;
  width:100%;
  height:auto;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--muted-soft);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  display:block;
  width:100%;
  max-width:100%;
  overflow-x:auto;
  margin:26px 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#FFFFFF;
}
.article-body thead th{
  background:var(--paper);
  color:var(--ink-700);
  font-weight:700;
  text-align:left;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.article-body tbody td{
  padding:13px 18px;
  border-bottom:1px solid var(--line);
  color:var(--muted);
}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:nth-child(even){background:rgba(247,245,255,.6);}
.article-body pre{
  background:var(--ink-900);
  color:#D9D5FF;
  font-family:var(--font-mono);
  font-size:13.5px;
  line-height:1.8;
  padding:20px 22px;
  border-radius:12px;
  overflow-x:auto;
  margin:26px 0;
  border:1px solid rgba(53,208,186,.22);
}
.article-body code{
  font-family:var(--font-mono);
  font-size:.9em;
  background:rgba(90,75,224,.09);
  color:var(--nebula-600);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:38px 0;}
/* tags */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:40px;padding-top:26px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  color:var(--muted);
  background:#FFFFFF;
  border:1px solid var(--line);
  transition:border-color .18s ease,color .18s ease;
}
.tag:hover{border-color:var(--nebula-500);color:var(--nebula-600);}
/* empty state */
.article-empty{
  max-width:660px;
  margin:0 auto;
  text-align:center;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:64px 32px;
  box-shadow:var(--shadow-soft);
}
.article-empty .empty-mark{
  width:66px;height:66px;
  margin:0 auto 20px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 35% 30%, rgba(90,75,224,.18), rgba(53,208,186,.12));
  color:var(--nebula-600);
}
.article-empty .empty-mark svg{width:30px;height:30px;}
.article-empty h2{font-size:23px;margin-bottom:12px;}
.article-empty p{color:var(--muted);margin-bottom:24px;}
/* toc */
.toc{
  position:sticky;
  top:28px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-soft);
}
.toc h3{
  font-size:14px;
  letter-spacing:.12em;
  color:var(--muted-soft);
  font-weight:700;
  margin-bottom:14px;
  text-transform:uppercase;
}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;
  font-size:14px;
  color:var(--muted);
  padding:8px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  line-height:1.55;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc a:hover{background:rgba(90,75,224,.06);color:var(--nebula-600);}
.toc a.is-current{
  color:var(--nebula-600);
  font-weight:600;
  background:rgba(90,75,224,.08);
  border-left-color:var(--star-cyan);
}
.toc-cta{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
}
.toc-cta .btn{margin-top:12px;font-size:14px;padding:10px 16px;}
/* pager */
.pager{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-top:44px;
}
.pager a{
  display:block;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 22px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.pager a:hover{border-color:rgba(53,208,186,.6);transform:translateY(-2px);box-shadow:var(--shadow-soft);}
.pager .pager-label{font-size:12.5px;color:var(--muted-soft);letter-spacing:.1em;display:block;margin-bottom:8px;}
.pager .pager-title{font-size:15.5px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.pager .pager-next{text-align:right;}
/* related */
.related-section{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:36px;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:30px;
  letter-spacing:.02em;
}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;}
.text-link{
  font-size:14.5px;
  font-weight:600;
  color:var(--nebula-600);
  border-bottom:1px solid rgba(90,75,224,.35);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.text-link:hover{color:var(--star-cyan);border-bottom-color:var(--star-cyan);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.55);box-shadow:var(--shadow-soft);}
.card-thumb{position:relative;aspect-ratio:4/3;background:var(--ink-700);overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  font-size:17.5px;
  line-height:1.5;
  margin:12px 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-desc{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0 0 18px;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;
  color:var(--muted-soft);
  font-variant-numeric:tabular-nums;
}
.card-foot .go{color:var(--nebula-600);font-weight:600;}
/* CTA band */
.cta-band{
  background:
    radial-gradient(circle at 82% 20%, rgba(90,75,224,.42), transparent 55%),
    var(--ink-900);
  color:var(--reverse);
  border-radius:var(--radius-card);
  padding:44px 46px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,240,255,.14) 1px, transparent 1px);
  background-size:20px 20px;
  opacity:.5;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-family:var(--font-serif);font-size:27px;color:#fff;margin-bottom:10px;}
.cta-band p{margin:0;color:rgba(242,240,255,.72);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* footer */
.site-footer{
  background:var(--ink-900);
  color:rgba(242,240,255,.72);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(242,240,255,.12);
}
.footer-brand .brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-serif);
  font-size:19px;font-weight:800;color:#fff;letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(242,240,255,.6);max-width:340px;margin:0;}
.footer-col h4{
  font-size:14px;
  color:#fff;
  letter-spacing:.08em;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(242,240,255,.62);}
.footer-col a{color:rgba(242,240,255,.62);transition:color .18s ease;}
.footer-col a:hover{color:var(--star-cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;
  font-size:12.5px;
  color:rgba(242,240,255,.45);
}
.footer-bottom p{margin:0;}
/* ============ responsive ============ */
@media (max-width:1024px){
  .mobile-bar{display:flex;}
  .site-sidebar{
    position:fixed;
    top:0;left:0;bottom:0;
    width:288px;
    height:100%;
    flex:none;
    transform:translateX(-102%);
    transition:transform .26s ease;
    box-shadow:0 12px 40px rgba(0,0,0,.45);
    padding-top:22px;
  }
  .site-sidebar.is-open{transform:translateX(0);}
  .layout{display:block;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
  .article-head h1{font-size:34px;}
  .section{padding:var(--space-section-sm) 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .article-head{padding:36px 0 46px;}
  .article-head h1{font-size:29px;line-height:1.38;}
  .cover-wrap{margin-top:-26px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:23px;margin:40px 0 16px;}
  .article-body h3{font-size:19px;}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager .pager-next{text-align:left;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:32px 24px;border-radius:12px;}
  .cta-band h2{font-size:23px;}
  .section-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .article-head h1{font-size:25px;}
  .article-meta{gap:8px 14px;font-size:12.5px;}
  .breadcrumb .current{max-width:180px;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0A1F;
  --ink-700:#1B1740;
  --nebula-600:#5A4BE0;
  --nebula-500:#7B6BFF;
  --star-cyan:#35D0BA;
  --comet:#FF8A5C;
  --paper:#F7F5FF;
  --line:#E4DFF5;
  --text:#171528;
  --muted:#5B5876;
  --inverse:#F2F0FF;
  --placeholder:#9A96B4;
  --sidebar-w:248px;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-dark:0 8px 24px rgba(11,10,31,.28);
  --shadow-light:0 6px 20px rgba(90,75,224,.08);
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:#FFFFFF;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;color:var(--text);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--nebula-500);text-decoration:none;transition:color .2s ease;}
a:hover,a:focus{color:var(--star-cyan);}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--star-cyan);outline-offset:2px;border-radius:4px;}

/* ---------- 布局骨架 ---------- */
.site-shell{display:flex;min-height:100vh;align-items:stretch;}
.site-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section--paper{background:var(--paper);}
.section--ink{background:var(--ink-900);color:var(--inverse);}
.section--ink h2,.section--ink h3{color:var(--inverse);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--nebula-600);font-weight:600;margin-bottom:14px;text-transform:uppercase;}
.section--ink .section-head .eyebrow{color:var(--star-cyan);}
.section-head h2{font-size:clamp(24px,3.2vw,32px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}
.section--ink .section-head p{color:rgba(242,240,255,.72);}
.grid-x.gap-24{margin-left:-12px;margin-right:-12px;}
.grid-x.gap-24 > .cell{padding-left:12px;padding-right:12px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 左侧导航 ---------- */
.site-sidebar{
  width:var(--sidebar-w);
  flex:0 0 var(--sidebar-w);
  background:var(--ink-900);
  color:var(--inverse);
  position:sticky;
  top:0;
  height:100vh;
  display:flex;
  flex-direction:column;
  padding:26px 20px 22px;
  overflow-y:auto;
  z-index:60;
  background-image:radial-gradient(rgba(242,240,255,.09) 1px,transparent 1px);
  background-size:20px 20px;
}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--inverse);font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand:hover,.brand:focus{color:#FFFFFF;}
.brand-mark{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(90,75,224,.30);color:var(--star-cyan);flex:0 0 auto;}
.brand-mark svg{width:16px;height:16px;}
.sidebar-close{display:none;background:none;border:0;color:rgba(242,240,255,.7);font-size:26px;line-height:1;cursor:pointer;padding:0 6px;}
.sidebar-close:hover{color:#fff;}
.sidebar-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:26px;}
.nav-item{position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;border-radius:8px;color:rgba(242,240,255,.76);font-size:15px;transition:background .2s ease,color .2s ease;}
.nav-item svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--star-cyan);opacity:.7;transition:opacity .2s ease;}
.nav-item:hover{background:rgba(123,107,255,.14);color:#FFFFFF;}
.nav-item:hover svg{opacity:1;}
.nav-item.is-active{background:rgba(123,107,255,.20);color:#FFFFFF;font-weight:600;}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--star-cyan);}
.nav-item.is-active svg{opacity:1;}
.sidebar-cta{width:100%;margin-bottom:auto;}
.sidebar-meta{padding-top:26px;font-size:12.5px;line-height:1.9;color:rgba(242,240,255,.52);}
.sidebar-meta p{word-break:break-all;}
.sidebar-scrim{display:none;}

/* ---------- 顶部移动条 ---------- */
.mobile-bar{
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:62px;
  padding:0 18px;
  background:var(--ink-900);
  color:var(--inverse);
  position:sticky;
  top:0;
  z-index:50;
  box-shadow:0 6px 18px rgba(11,10,31,.25);
}
.mobile-bar .brand{font-size:16px;}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid rgba(242,240,255,.24);border-radius:10px;background:transparent;cursor:pointer;padding:0 10px;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--inverse);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--nebula-600);color:#FFFFFF;}
.btn-primary:hover,.btn-primary:focus{background:var(--nebula-500);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 8px 20px rgba(90,75,224,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(242,240,255,.42);color:var(--inverse);}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(123,107,255,.18);border-color:var(--star-cyan);color:#FFFFFF;}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text);}
.btn-outline:hover,.btn-outline:focus{background:rgba(90,75,224,.08);border-color:var(--nebula-500);color:var(--nebula-600);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 标签、徽章 ---------- */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;background:rgba(90,75,224,.10);color:var(--nebula-600);}
.tag--cyan{background:rgba(53,208,186,.14);color:#1F8F80;}
.tag--comet{background:rgba(255,138,92,.16);color:#C0522A;}
.tag--ghost{background:rgba(242,240,255,.12);color:var(--inverse);}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(242,240,255,.62);margin-bottom:22px;}
.breadcrumb a{color:rgba(242,240,255,.8);}
.breadcrumb a:hover{color:var(--star-cyan);}
.breadcrumb span{color:rgba(242,240,255,.42);}

/* ---------- Hero ---------- */
.cat-hero{position:relative;background:var(--ink-900);overflow:hidden;padding:78px 0 82px;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp'),radial-gradient(rgba(242,240,255,.16) 1px,transparent 1px);
  background-size:cover,20px 20px;
  background-position:center,0 0;
  opacity:.5;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,10,31,.95) 0%,rgba(27,23,64,.84) 55%,rgba(11,10,31,.92) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero h1{font-size:clamp(32px,4.6vw,50px);color:#FFFFFF;letter-spacing:-.02em;margin-bottom:18px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--star-cyan);margin-bottom:18px;}
.hero-sub{font-size:clamp(17px,2vw,20px);color:rgba(242,240,255,.92);max-width:720px;margin-bottom:16px;}
.hero-desc{font-size:16px;color:rgba(242,240,255,.70);max-width:720px;margin-bottom:26px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.hero-chips li{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:rgba(242,240,255,.10);border:1px solid rgba(242,240,255,.16);font-size:13px;color:rgba(242,240,255,.88);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{margin-top:22px;font-size:13.5px;color:rgba(242,240,255,.58);}

/* ---------- 数据条 ---------- */
.stat-strip{padding:46px 0;background:var(--ink-700);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{border-left:2px solid rgba(53,208,186,.5);padding-left:18px;}
.stat-item b{display:block;font-size:clamp(26px,3vw,34px);color:#FFFFFF;line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-item span{font-size:13.5px;color:rgba(242,240,255,.66);}

/* ---------- 活动形态卡片 ---------- */
.act-grid{margin-bottom:-24px;}
.act-grid > .cell{margin-bottom:24px;}
.act-card{
  position:relative;display:flex;min-height:340px;border-radius:var(--radius-card);
  overflow:hidden;background:var(--ink-700);color:var(--inverse);
  border:1px solid rgba(242,240,255,.10);
  box-shadow:var(--shadow-dark);
  transition:border-color .25s ease,transform .25s ease;
}
.act-card:hover,.act-card:focus{transform:translateY(-2px);border-color:rgba(53,208,186,.4);color:var(--inverse);}
.act-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.act-card:hover img{transform:scale(1.02);}
.act-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,31,.10) 0%,rgba(11,10,31,.62) 52%,rgba(11,10,31,.92) 100%);}
.act-card-body{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;padding:26px;width:100%;}
.act-card-body h3{font-size:22px;color:#FFFFFF;}
.act-card-body p{font-size:14.5px;color:rgba(242,240,255,.78);}
.act-tags{display:flex;flex-wrap:wrap;gap:8px;}
.act-link{font-size:13.5px;font-weight:600;color:var(--star-cyan);margin-top:4px;}

/* ---------- 执行细节（错位栅格） ---------- */
.detail-grid{margin-bottom:-24px;}
.detail-grid > .cell{margin-bottom:24px;}
.detail-card{
  height:100%;border-radius:var(--radius-card);overflow:hidden;background:#FFFFFF;
  border:1px solid var(--line);box-shadow:var(--shadow-light);
  display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease;
}
.detail-card:hover{border-color:rgba(53,208,186,.5);transform:translateY(-2px);}
.detail-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-700);}
.detail-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.detail-card:hover .thumb img{transform:scale(1.03);}
.detail-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.detail-card h3{font-size:20px;}
.detail-card p{font-size:15px;color:var(--muted);}
.detail-list{margin-top:4px;display:flex;flex-direction:column;gap:8px;}
.detail-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);}
.detail-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--star-cyan);}
.detail-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  padding:24px 26px;border-radius:var(--radius-card);
  background:var(--ink-900);color:var(--inverse);
  border:1px solid rgba(242,240,255,.10);
}
.detail-bar .bar-icon{width:44px;height:44px;border-radius:12px;background:rgba(90,75,224,.28);display:inline-flex;align-items:center;justify-content:center;color:var(--star-cyan);flex:0 0 auto;}
.detail-bar .bar-icon svg{width:22px;height:22px;}
.detail-bar h3{font-size:19px;color:#FFFFFF;margin-bottom:6px;}
.detail-bar p{font-size:14.5px;color:rgba(242,240,255,.72);}
.detail-bar .bar-action{margin-left:auto;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--star-cyan),rgba(90,75,224,.35));}
.timeline-item{position:relative;padding-bottom:34px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:3px solid var(--nebula-600);box-shadow:0 0 0 4px rgba(90,75,224,.14);}
.timeline-item:first-child::before{background:var(--star-cyan);border-color:var(--star-cyan);box-shadow:0 0 0 4px rgba(53,208,186,.20);}
.timeline-time{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--nebula-600);margin-bottom:6px;font-variant-numeric:tabular-nums;}
.timeline-item h3{font-size:18px;margin-bottom:6px;}
.timeline-item p{font-size:14.8px;color:var(--muted);}

/* ---------- 场次列表 ---------- */
.schedule-list{border-top:1px solid var(--line);}
.schedule-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  padding:22px 8px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.schedule-row:hover{background:rgba(90,75,224,.035);padding-left:14px;}
.schedule-city{width:78px;flex:0 0 auto;font-size:19px;font-weight:700;color:var(--ink-900);}
.schedule-main{flex:1 1 320px;min-width:0;}
.schedule-main h3{font-size:17px;margin-bottom:4px;}
.schedule-main p{font-size:14px;color:var(--muted);}
.schedule-date{width:70px;flex:0 0 auto;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;}
.schedule-status{flex:0 0 auto;}
.schedule-arrow{flex:0 0 auto;color:var(--nebula-500);font-size:18px;line-height:1;}

/* ---------- FAQ ---------- */
.faq-list{border:0;background:transparent;max-width:900px;}
.faq-list .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:#FFFFFF;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--shadow-light);
}
.faq-list .accordion-title{
  position:relative;border:0;background:transparent;
  font-size:16.5px;font-weight:600;color:var(--text);
  padding:18px 58px 18px 22px;line-height:1.5;
  transition:color .2s ease,background .2s ease;
}
.faq-list .accordion-title:hover,.faq-list .accordion-title:focus{background:rgba(90,75,224,.045);color:var(--nebula-600);}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--star-cyan);font-size:22px;font-weight:400;line-height:1;
}
.faq-list .is-active > .accordion-title::before{content:"−";color:var(--nebula-600);}
.faq-list .accordion-content{
  border:0;background:transparent;padding:0 22px 20px;
  font-size:15px;color:var(--muted);line-height:1.85;
}
.faq-list .is-active > .accordion-content{border-top:1px solid var(--line);padding-top:16px;}

/* ---------- CTA + 表单 ---------- */
.cta-band{position:relative;background:var(--ink-900);color:var(--inverse);padding:var(--section-y) 0;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,240,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.8;
}
.cta-band::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(90,75,224,.42) 0%,rgba(90,75,224,0) 70%);
}
.cta-band .container{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(24px,3.2vw,32px);color:#FFFFFF;margin-bottom:14px;}
.cta-copy p{color:rgba(242,240,255,.72);font-size:16px;margin-bottom:18px;}
.cta-deadline{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(255,138,92,.16);color:#FFB291;font-size:13px;font-weight:600;margin-bottom:22px;}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.cta-points li{position:relative;padding-left:20px;font-size:14.8px;color:rgba(242,240,255,.76);}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;border:1.5px solid var(--star-cyan);}
.form-panel{
  background:rgba(242,240,255,.05);
  border:1px solid rgba(242,240,255,.14);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-dark);
}
.form-panel .field{margin-bottom:16px;}
.field-label{display:block;font-size:13.5px;color:rgba(242,240,255,.72);margin-bottom:7px;font-weight:500;}
.form-panel input,.form-panel select{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(242,240,255,.20);
  background:rgba(11,10,31,.45);
  color:var(--inverse);font-size:15px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
}
.form-panel select{background-image:linear-gradient(45deg,transparent 50%,rgba(242,240,255,.7) 50%),linear-gradient(135deg,rgba(242,240,255,.7) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-panel input::placeholder{color:var(--placeholder);}
.form-panel input:focus,.form-panel select:focus{outline:none;border-color:var(--nebula-500);box-shadow:0 0 0 3px rgba(123,107,255,.22);background:rgba(11,10,31,.62);}
.form-panel input.is-error,.form-panel select.is-error{border-color:var(--comet);}
.field-error{display:none;margin-top:6px;font-size:12px;color:#FF9E74;line-height:1.5;}
.field-error.is-visible{display:block;}
.form-actions{margin-top:22px;}
.form-actions .btn{width:100%;}
.form-tip{margin-top:14px;font-size:12.5px;color:rgba(242,240,255,.5);line-height:1.7;}
.form-success{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-btn);background:rgba(53,208,186,.14);border:1px solid rgba(53,208,186,.34);color:#8BE7D8;font-size:14px;}
.form-success.is-visible{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(242,240,255,.72);padding:64px 0 26px;margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(242,240,255,.12);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:rgba(242,240,255,.60);max-width:320px;line-height:1.8;}
.footer-col h4{font-size:15px;color:#FFFFFF;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(242,240,255,.62);}
.footer-col a{color:rgba(242,240,255,.72);}
.footer-col a:hover,.footer-col a:focus{color:var(--star-cyan);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:22px;font-size:12px;color:rgba(242,240,255,.45);}
.footer-bottom p{margin:0;}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .mobile-bar{display:none;}
  .sidebar-scrim{display:none;}
}
@media (max-width:1023px){
  .site-shell{display:block;}
  .site-sidebar{
    position:fixed;top:0;left:0;bottom:0;height:100%;
    width:284px;max-width:85vw;flex:none;
    transform:translateX(-102%);
    transition:transform .28s ease;
    box-shadow:0 0 40px rgba(11,10,31,.5);
    padding-top:22px;
  }
  .site-sidebar.is-open{transform:translateX(0);}
  .sidebar-close{display:inline-block;}
  .sidebar-scrim{display:block;position:fixed;inset:0;background:rgba(11,10,31,.62);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:55;}
  .sidebar-scrim.is-open{opacity:1;pointer-events:auto;}
  .mobile-bar{display:flex;}
  :root{--section-y:64px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--section-y:56px;}
  .container{padding:0 18px;}
  .cat-hero{padding:52px 0 58px;}
  .hero-actions .btn{width:100%;}
  .hero-chips li{font-size:12.5px;padding:0 12px;}
  .section-head{margin-bottom:32px;}
  .act-card{min-height:280px;}
  .act-card-body{padding:20px;}
  .detail-card .body{padding:20px;}
  .detail-bar{padding:20px;}
  .detail-bar .bar-action{margin-left:0;width:100%;}
  .detail-bar .bar-action .btn{width:100%;}
  .schedule-row{gap:10px;}
  .schedule-city{width:auto;flex:1 1 100%;font-size:17px;}
  .schedule-date{width:auto;}
  .schedule-main{flex:1 1 100%;order:3;}
  .schedule-arrow{display:none;}
  .form-panel{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr;gap:18px;}
  .stat-item{border-left-width:2px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B0A1F;
  --ink-700:#1B1740;
  --nebula-600:#5A4BE0;
  --nebula-500:#7B6BFF;
  --star-cyan:#35D0BA;
  --comet:#FF8A5C;
  --paper:#F7F5FF;
  --paper-2:#FFFFFF;
  --line:#E4DFF5;
  --text:#171528;
  --text-2:#5B5876;
  --text-invert:#F2F0FF;
  --muted-invert:rgba(242,240,255,.68);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-lg:20px;
  --shadow-dark:0 8px 24px rgba(11,10,31,.28);
  --shadow-light:0 6px 20px rgba(90,75,224,.08);
  --sidebar-w:248px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--nebula-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--star-cyan)}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",Georgia,"Noto Sans SC",serif;margin:0;line-height:1.32;font-weight:700;letter-spacing:.01em}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:17px;font-family:"Noto Sans SC","PingFang SC",sans-serif}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid var(--star-cyan);outline-offset:2px;border-radius:6px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.grid-x>.cell{min-width:0}

/* ============ 布局骨架 ============ */
.site-shell{display:flex;align-items:flex-start;min-height:100vh}
.site-main{flex:1;min-width:0;display:flex;flex-direction:column}

/* ============ 品牌 ============ */
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:19px;font-weight:700;letter-spacing:.03em;
  color:var(--text-invert);text-decoration:none;
}
.brand:hover{color:var(--text-invert)}
.brand-mark{display:inline-flex;width:26px;height:26px;color:var(--star-cyan);flex:0 0 26px}
.brand-mark svg{width:100%;height:100%}

/* ============ 侧栏导航 ============ */
.site-sidebar{
  position:sticky;top:0;align-self:flex-start;
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);
  height:100vh;
  background:var(--ink-900);
  color:var(--text-invert);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  z-index:70;
  overflow-y:auto;
}
.site-sidebar::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(53,208,186,.35),rgba(90,75,224,.25),transparent);
}
.sidebar-brand{padding:0 10px 22px;border-bottom:1px solid rgba(242,240,255,.1)}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:22px}
.side-nav-label{font-size:12px;letter-spacing:.16em;color:var(--muted-invert);padding:0 12px 8px}
.side-link{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:12px 16px;border-radius:8px;
  font-size:15px;color:var(--muted-invert);text-decoration:none;
  position:relative;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.side-link svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--star-cyan);opacity:.85}
.side-link:hover{background:rgba(123,107,255,.14);color:var(--text-invert)}
.side-link.is-active{background:rgba(123,107,255,.18);color:#fff;font-weight:600}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--star-cyan);
}
.side-cta{margin:24px 0 0}
.sidebar-foot{
  margin-top:auto;padding:18px 12px 0;border-top:1px solid rgba(242,240,255,.1);
  font-size:12px;line-height:1.9;color:var(--muted-invert);
}
.sidebar-foot p{font-variant-numeric:tabular-nums}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:90;
  background:var(--ink-900);color:var(--text-invert);
  align-items:center;justify-content:space-between;padding:0 18px;
  box-shadow:0 4px 18px rgba(11,10,31,.28);
}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0 8px;border-radius:8px}
.nav-toggle span{display:block;height:2px;background:var(--text-invert);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.sidebar-backdrop{
  display:none;position:fixed;inset:0;background:rgba(11,10,31,.6);z-index:65;
  opacity:0;transition:opacity .25s var(--ease);
}
.sidebar-backdrop.is-visible{display:block;opacity:1}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--nebula-600);color:#fff;box-shadow:0 6px 18px rgba(90,75,224,.28)}
.btn-primary:hover{background:var(--nebula-500);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(242,240,255,.32);color:var(--text-invert)}
.btn-ghost:hover{background:rgba(123,107,255,.14);color:#fff}
.btn-outline{border-color:var(--line);color:var(--text);background:#fff}
.btn-outline:hover{border-color:var(--nebula-500);color:var(--nebula-600);background:rgba(90,75,224,.06)}
.btn-block{width:100%}
.btn-sm{height:40px;padding:0 16px;font-size:14px}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-nebula{background:rgba(90,75,224,.12);color:var(--nebula-600)}
.badge-cyan{background:rgba(53,208,186,.14);color:#1B8E7F}
.badge-comet{background:rgba(255,138,92,.16);color:#C1461B}
.badge-ghost{background:rgba(242,240,255,.12);color:var(--text-invert)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:12.5px;
}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--text-invert);
  padding:42px 0 40px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,240,255,.2) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(90,75,224,.5),transparent 64%);
}
.cat-hero .grid-container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-invert);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{color:var(--muted-invert)}
.crumbs a:hover{color:var(--star-cyan)}
.crumbs span{opacity:.6}
.cat-hero h1{color:#fff;margin-bottom:12px}
.cat-hero-lead{max-width:720px;font-size:16px;color:var(--muted-invert)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ============ 段落与板块 ============ */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-dark{background:var(--ink-900);color:var(--text-invert)}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.section-dark .section-head p{color:var(--muted-invert)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.18em;color:var(--nebula-600);text-transform:uppercase;margin-bottom:14px;
}
.section-dark .eyebrow{color:var(--star-cyan)}

/* ============ 说明段 ============ */
.intro-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 36px;box-shadow:var(--shadow-light);
  position:relative;overflow:hidden;
}
.intro-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--nebula-600)}
.intro-card p{color:var(--text-2);font-size:16.5px;line-height:1.95}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-light);
}
.stat{padding:28px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{
  display:block;font-size:32px;line-height:1.2;color:var(--ink-700);
  font-variant-numeric:tabular-nums;font-family:"Noto Sans SC",sans-serif;font-weight:700;
}
.stat strong em{font-style:normal;font-size:16px;color:var(--nebula-600);margin-left:4px}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-2)}

/* ============ 服务清单（信息优先列表） ============ */
.info-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin-top:8px}
.info-row{
  display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;transition:transform .2s var(--ease);
}
.info-row:hover{transform:translateX(2px)}
.info-row:hover .info-title{color:var(--nebula-600)}
.info-num{
  flex:0 0 40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(90,75,224,.08);color:var(--nebula-600);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.info-body{flex:1;min-width:0}
.info-title{font-size:17px;font-weight:600;color:var(--text);font-family:"Noto Sans SC",sans-serif;transition:color .18s var(--ease)}
.info-desc{margin-top:6px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.info-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.info-arrow{flex:0 0 18px;align-self:center;color:var(--nebula-500);opacity:.65}

/* ============ 流程时间线 ============ */
.flow{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:26px;margin-top:20px}
.flow::before{content:"";position:absolute;top:6px;left:7px;right:7px;height:2px;background:rgba(242,240,255,.16)}
.flow-step{position:relative;padding-top:36px}
.flow-step::before{
  content:"";position:absolute;top:0;left:0;width:14px;height:14px;border-radius:50%;
  background:var(--star-cyan);box-shadow:0 0 0 4px rgba(53,208,186,.2);z-index:1;
}
.flow-step h3{font-size:16.5px;font-family:"Noto Sans SC",sans-serif;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted-invert);line-height:1.75}
.flow-step .flow-time{font-size:12.5px;letter-spacing:.14em;color:var(--star-cyan);font-variant-numeric:tabular-nums;display:block;margin-bottom:6px}

/* ============ 对比表 ============ */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-light);
}
table.compare{width:100%;min-width:820px;border-collapse:collapse}
table.compare th,table.compare td{
  padding:14px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle;
}
table.compare thead th{
  height:62px;font-size:15.5px;font-weight:700;color:var(--ink-700);background:#FBFAFF;
  font-family:"Noto Sans SC",sans-serif;
}
table.compare tbody td:first-child{color:var(--text-2);width:24%;font-size:14.5px}
table.compare tbody tr:nth-child(even) td:not(.is-reco){background:#FBFAFF}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare .is-reco{background:rgba(90,75,224,.06);border-top:3px solid var(--nebula-600)}
table.compare thead th.is-reco{padding-top:11px}
.compare-note{margin-top:16px;font-size:13.5px;color:var(--text-2)}
.table-head-cell{display:flex;align-items:center;gap:8px}

/* ============ 错位卡片 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-top:8px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-light);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.case-card:hover{transform:translateY(-2px);border-color:rgba(53,208,186,.4);box-shadow:0 12px 28px rgba(90,75,224,.14)}
.case-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700)}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,31,.05),rgba(11,10,31,.5))}
.case-media .badge{position:absolute;left:16px;top:16px;z-index:2}
.case-body{padding:24px}
.case-body h3{font-size:20px;margin-bottom:10px}
.case-body p{color:var(--text-2);font-size:14.8px;line-height:1.8}
.case-wide{
  grid-column:1 / -1;display:flex;align-items:center;gap:26px;
  background:linear-gradient(120deg,rgba(90,75,224,.07),rgba(53,208,186,.09));
  border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 30px;
}
.case-wide .case-wide-icon{
  flex:0 0 52px;height:52px;border-radius:14px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--nebula-600);
}
.case-wide h3{font-size:19px;margin-bottom:6px}
.case-wide p{color:var(--text-2);font-size:14.8px}

/* ============ FAQ ============ */
.faq list-style:none;
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(90,75,224,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:16px 24px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);font-family:"Noto Sans SC",sans-serif;
}
.faq-q:hover{color:var(--nebula-600)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--nebula-600);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform .18s var(--ease)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA + 表单 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--text-invert);
  border-radius:var(--radius-lg);padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;
}
.cta-band::before{
  content:"";position:absolute;left:-100px;bottom:-160px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,208,186,.28),transparent 66%);
}
.cta-band > *{position:relative;z-index:2}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy p{color:var(--muted-invert);font-size:15.5px}
.cta-deadline{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  padding:10px 16px;border-radius:999px;background:rgba(255,138,92,.14);
  border:1px solid rgba(255,138,92,.32);color:#FFB392;font-size:13.5px;
}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted-invert)}
.cta-points svg{flex:0 0 18px;margin-top:3px;color:var(--star-cyan)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px;grid-column:span 1}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--muted-invert);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  background:rgba(242,240,255,.06);border:1px solid rgba(242,240,255,.2);
  color:var(--text-invert);font-size:15px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:98px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#9A96B4}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--nebula-500);box-shadow:0 0 0 3px rgba(90,75,224,.24);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted-invert) 50%),linear-gradient(135deg,var(--muted-invert) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field select option{color:#171528}
.field-error{font-size:12px;color:#FF8A5C;min-height:14px;line-height:1.4}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted-invert)}
.agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--nebula-500)}

/* ============ 侧栏吸附小卡（用于联系） ============ */
.contact-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;
  border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;overflow:hidden;
}
.contact-strip div{padding:24px 26px;border-right:1px solid var(--line)}
.contact-strip div:last-child{border-right:0}
.contact-strip h4{font-size:14px;color:var(--text-2);font-weight:600;margin-bottom:6px}
.contact-strip p{font-size:15.5px;color:var(--ink-700);font-variant-numeric:tabular-nums;font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--text-invert);padding:72px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted-invert);line-height:1.85;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:var(--muted-invert)}
.footer-col a{color:var(--muted-invert);font-size:14px}
.footer-col a:hover{color:var(--star-cyan)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(242,240,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(242,240,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1439.98px){
  .grid-container{max-width:1160px}
}
@media (max-width:1023.98px){
  .mobile-bar{display:flex}
  .site-sidebar{
    position:fixed;top:0;left:0;width:286px;flex:none;height:100vh;
    transform:translateX(-100%);transition:transform .28s var(--ease);
    box-shadow:var(--shadow-dark);
  }
  .site-sidebar.is-open{transform:translateX(0)}
  .site-shell{padding-top:64px}
  .section{padding:64px 0}
  .section-tight{padding:44px 0}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px 32px;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  h1{font-size:36px}
  h2{font-size:27px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}
  .flow::before{display:none}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .contact-strip{grid-template-columns:minmax(0,1fr)}
  .contact-strip div{border-right:0;border-bottom:1px solid var(--line)}
  .contact-strip div:last-child{border-bottom:0}
}
@media (max-width:767.98px){
  .info-list{grid-template-columns:minmax(0,1fr);gap:0}
  .case-grid{grid-template-columns:minmax(0,1fr)}
  .case-wide{flex-direction:column;align-items:flex-start;gap:16px}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .intro-card{padding:26px 22px}
  .section-head{margin-bottom:32px}
}
@media (max-width:575.98px){
  .grid-container{padding-left:18px;padding-right:18px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  body{font-size:16px}
  .section{padding:52px 0}
  .stats{grid-template-columns:minmax(0,1fr)}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .flow{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:32px 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .case-body{padding:20px}
}