/* roulang page: index */
:root{
  --c-ink:#0A1626;
  --c-ink-2:#111F33;
  --c-primary:#0F5FD9;
  --c-primary-deep:#0B3F94;
  --c-neon:#23E0C8;
  --c-accent:#FF6B2C;
  --c-bg:#F4F7FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF5;
  --c-text:#16223A;
  --c-text-2:#5A6B85;
  --c-text-3:#8D9CB4;
  --r-card:16px;
  --r-sm:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,22,38,.06),0 12px 32px -14px rgba(10,22,38,.18);
  --sh-2:0 6px 18px -6px rgba(10,22,38,.16),0 22px 44px -18px rgba(15,95,217,.28);
  --sh-dark:0 8px 24px -16px rgba(10,22,38,.6);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font:"Inter","Barlow",system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
h1,.h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.01em;}
h2,.h2{font-size:34px;line-height:1.3;font-weight:700;}
h3,.h3{font-size:22px;line-height:1.4;font-weight:600;}
h4,.h4{font-size:17px;line-height:1.5;font-weight:600;}
.lead{font-size:17px;color:var(--c-text-2);line-height:1.85;}
.muted{color:var(--c-text-2);}
.tiny{font-size:13px;color:var(--c-text-3);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;background:var(--c-primary);color:#fff;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;background:var(--c-primary-deep);}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#F25A18;color:#fff;box-shadow:0 6px 18px -6px rgba(255,107,44,.5),0 22px 44px -18px rgba(255,107,44,.45);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);box-shadow:none;}
.btn-ghost:hover{background:rgba(15,95,217,.08);color:var(--c-primary-deep);border-color:var(--c-primary-deep);box-shadow:none;}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;box-shadow:none;}
.btn-ghost-light:hover{background:rgba(35,224,200,.08);border-color:var(--c-neon);color:var(--c-neon);box-shadow:none;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow:hover{color:var(--c-primary-deep);}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;line-height:1;padding:5px 10px;border-radius:var(--r-pill);font-weight:600;white-space:nowrap;}
.badge-cat{background:rgba(15,95,217,.1);color:var(--c-primary);}
.badge-orange{background:rgba(255,107,44,.12);color:#D9500F;}
.badge-gray{background:#EDF1F8;color:var(--c-text-2);}
.badge-neon{background:transparent;border:1px solid rgba(35,224,200,.55);color:#0C7A6C;}
.badge-solid{background:var(--c-accent);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-ink);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0));
}
.site-header.is-scrolled{box-shadow:var(--sh-dark);}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:60px;}
.brand{
  display:flex;align-items:baseline;gap:2px;
  font-size:20px;font-weight:800;color:#fff;letter-spacing:-.01em;flex:0 0 auto;
}
.brand span{color:var(--c-neon);font-weight:700;}
.brand:hover{color:#fff;}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:12px;flex:1 1 auto;}
.nav-main a{
  position:relative;font-size:15px;font-weight:500;color:#C9D4E4;padding:26px 0;
}
.nav-main a:hover{color:#fff;}
.nav-main a.active{color:#fff;text-shadow:0 0 12px rgba(35,224,200,.55);}
.nav-main a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--c-neon);
  box-shadow:0 0 10px rgba(35,224,200,.8);
}
.site-header.is-scrolled .nav-main a{padding:20px 0;}
.site-header.is-scrolled .nav-main a.active::after{bottom:12px;}
.nav-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.nav-quiet{font-size:14px;font-weight:500;color:#C9D4E4;}
.nav-quiet:hover{color:var(--c-neon);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:transparent;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;z-index:90;
  background:var(--c-ink);padding:26px 22px 32px;transform:translateX(102%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,22,38,.55);z-index:80;opacity:0;pointer-events:none;
  transition:opacity var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head .brand{font-size:18px;}
.drawer-close{background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;width:38px;height:38px;border-radius:12px;cursor:pointer;}
.drawer-nav a{
  display:block;color:#C9D4E4;font-size:16px;padding:15px 12px;border-top:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover{color:#fff;}
.drawer-nav a.active{color:#fff;border-left:3px solid var(--c-neon);padding-left:12px;}
.drawer-cta{margin-top:22px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:linear-gradient(160deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  padding:76px 0 150px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.14;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-neon);border:1px solid rgba(35,224,200,.45);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:20px;
}
.hero h1{color:#fff;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--c-neon);}
.hero-sub{font-size:17px;line-height:1.8;color:#B9C6DA;max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;}
.hero-stats div strong{display:block;font-family:var(--font-num);font-size:30px;line-height:1.1;color:#fff;font-weight:700;}
.hero-stats div span{font-size:13px;color:#8D9CB4;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.75);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);
  box-shadow:inset 0 0 0 1px rgba(35,224,200,.35);
}

/* ---------- 关键信息条 ---------- */
.info-bar{margin-top:-84px;position:relative;z-index:5;}
.info-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--c-surface);border-radius:var(--r-card);box-shadow:var(--sh-1);
  border:1px solid var(--c-line);overflow:hidden;
}
.info-item{padding:24px;border-right:1px solid var(--c-line);display:flex;gap:14px;align-items:flex-start;}
.info-item:last-child{border-right:0;}
.info-ico{
  flex:0 0 36px;width:36px;height:36px;border-radius:10px;background:rgba(15,95,217,.08);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.info-item .lbl{font-size:13px;color:var(--c-text-3);display:block;}
.info-item .val{font-size:17px;font-weight:600;color:var(--c-text);}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head p{font-size:15px;color:var(--c-text-2);margin-top:10px;max-width:620px;}
.sec-tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  background:rgba(15,95,217,.09);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;
}

/* ---------- 时间线 ---------- */
.tl-list{position:relative;}
.tl-item{display:grid;grid-template-columns:120px 40px 1fr;align-items:flex-start;}
.tl-time{
  font-family:var(--font-num);font-size:16px;font-weight:600;color:var(--c-primary);
  padding:22px 0;text-align:right;padding-right:16px;
}
.tl-axis{position:relative;display:flex;justify-content:center;align-self:stretch;}
.tl-axis::before{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--c-line);}
.tl-item:first-child .tl-axis::before{top:28px;}
.tl-item:last-child .tl-axis::before{bottom:calc(100% - 28px);}
.tl-dot{
  position:relative;z-index:2;width:12px;height:12px;border-radius:50%;background:#fff;
  border:2px solid var(--c-neon);margin-top:26px;box-shadow:0 0 10px rgba(35,224,200,.5);
}
.tl-item.is-now .tl-dot{background:var(--c-primary);border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,95,217,.14);}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;margin:0 0 18px 8px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55);}
.tl-card h3{font-size:17px;margin-bottom:6px;}
.tl-card p{font-size:14.5px;color:var(--c-text-2);line-height:1.75;margin-bottom:12px;}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- 嘉宾 ---------- */
.sp-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.sp-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:12px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.sp-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55);}
.sp-card img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r-sm);background:#E8EEF8;}
.sp-card .sp-name{font-size:17px;font-weight:600;margin:12px 4px 2px;}
.sp-card .sp-role{font-size:13px;color:var(--c-text-2);margin:0 4px 6px;}
.sp-main{grid-column:span 6;display:flex;gap:20px;align-items:stretch;padding:20px;}
.sp-main img{width:44%;aspect-ratio:1/1;height:auto;border-radius:var(--r-sm);flex:0 0 44%;}
.sp-main .sp-body{display:flex;flex-direction:column;justify-content:center;}
.sp-main h3{font-size:22px;margin-bottom:6px;}
.sp-main .sp-quote{
  margin-top:12px;font-size:14px;color:var(--c-primary);border-left:3px solid var(--c-neon);
  padding-left:12px;line-height:1.7;
}
.sp-span3{grid-column:span 3;}

/* ---------- 票种 ---------- */
.tk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.tk-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tk-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tk-card.is-best{
  border-color:rgba(35,224,200,.55);transform:translateY(-8px);
  box-shadow:0 10px 26px -10px rgba(10,22,38,.18),0 26px 50px -20px rgba(15,95,217,.32);
}
.tk-card.is-best:hover{transform:translateY(-12px);}
.tk-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--c-accent);color:#fff;font-size:12.5px;font-weight:700;padding:5px 16px;border-radius:var(--r-pill);
}
.tk-name{font-size:17px;font-weight:600;margin-bottom:4px;}
.tk-sub{font-size:13px;color:var(--c-text-3);margin-bottom:18px;}
.tk-price{font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1;color:var(--c-ink);}
.tk-price small{font-size:12px;font-weight:500;color:var(--c-text-3);margin-left:6px;font-family:var(--font);}
.tk-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px;}
.tk-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text);align-items:flex-start;line-height:1.6;}
.tk-list li.off{color:var(--c-text-3);}
.tk-list svg{flex:0 0 18px;margin-top:3px;}

/* ---------- 报名表单 ---------- */
.signup{background:var(--c-ink);position:relative;overflow:hidden;}
.signup::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.1;
}
.signup .container{position:relative;z-index:2;}
.signup-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.signup h2{color:#fff;font-size:34px;line-height:1.3;margin-bottom:16px;}
.signup p.sg-sub{color:#B9C6DA;font-size:16px;line-height:1.85;max-width:440px;}
.sg-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.sg-points li{display:flex;gap:12px;color:#D3DCE9;font-size:15px;line-height:1.7;}
.sg-points svg{flex:0 0 20px;margin-top:4px;color:var(--c-neon);}
.form-card{
  background:var(--c-surface);border-radius:var(--r-card);padding:32px;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--c-text-2);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:12px 14px;font-size:15px;background:#FBFCFE;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-neon);background:#fff;box-shadow:0 0 0 3px rgba(35,224,200,.18);
}
.field.has-error input,.field.has-error select{border-color:#D93A2B;background:#FFF7F6;}
.err-msg{font-size:13px;color:#D93A2B;display:none;}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-text-2);line-height:1.7;}
.check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-primary);}
.form-note{font-size:12.5px;color:var(--c-text-3);margin-top:14px;line-height:1.7;}
.form-success{display:none;text-align:center;padding:20px 10px 6px;}
.form-success.show{display:block;}
.form-success .ok-ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:rgba(35,224,200,.16);
  display:flex;align-items:center;justify-content:center;color:#0C7A6C;
}
.form-success h3{font-size:20px;margin-bottom:8px;}
.form-success p{font-size:14.5px;color:var(--c-text-2);margin-bottom:20px;}

/* ---------- 资讯卡片 ---------- */
.news-card{
  height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55);}
.news-thumb{position:relative;background:#E8EEF8;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-body{padding:20px 22px 22px;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--c-text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}
.news-arrow{color:var(--c-primary);font-weight:700;}
.news-grid{margin-bottom:-24px;}
.news-grid > [class*="cell"]{margin-bottom:24px;}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state .es-ico{color:var(--c-text-3);margin-bottom:14px;display:flex;justify-content:center;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:500;color:var(--c-text);transition:color var(--ease),background var(--ease);
}
.faq-q:hover{color:var(--c-primary);background:#F8FAFE;}
.faq-mark{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.faq-mark::before{left:0;top:7px;width:16px;height:2px;}
.faq-mark::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-mark::after{transform:rotate(180deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms cubic-bezier(.2,.7,.3,1);}
.faq-a p{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:760px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#B9C6DA;position:relative;}
.site-footer::before{content:"";display:block;height:2px;background:linear-gradient(90deg,rgba(35,224,200,0),var(--c-neon),rgba(35,224,200,0));}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;}
.foot-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;}
.foot-brand span{color:var(--c-neon);}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{font-size:14px;color:#B9C6DA;}
.foot-col a:hover{color:var(--c-neon);}
.foot-col p{font-size:14px;line-height:1.8;}
.foot-grid > div:not(:last-child){border-right:1px solid rgba(255,255,255,.08);padding-right:24px;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#8D9CB4;
}
.foot-bottom a{color:#8D9CB4;}
.foot-bottom a:hover{color:var(--c-neon);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1,.h1{font-size:34px;}
  h2,.h2{font-size:26px;}
  .section{padding:72px 0;}
  .nav-main,.nav-actions{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:52px 0 120px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .info-grid{grid-template-columns:repeat(2,1fr);}
  .info-item:nth-child(2){border-right:0;}
  .info-item:nth-child(1),.info-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .sp-main{grid-column:span 12;}
  .sp-span3{grid-column:span 6;}
  .tk-grid{grid-template-columns:1fr;}
  .tk-card.is-best{transform:none;}
  .tk-card.is-best:hover{transform:translateY(-4px);}
  .signup-grid{grid-template-columns:1fr;gap:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .foot-grid > div:not(:last-child){border-right:0;padding-right:0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  h1,.h1{font-size:30px;}
  h2,.h2{font-size:24px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:40px 0 104px;}
  .hero-stats{gap:24px;}
  .hero-stats div strong{font-size:24px;}
  .info-grid{grid-template-columns:1fr;}
  .info-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .info-item:last-child{border-bottom:0;}
  .tl-item{grid-template-columns:1fr;}
  .tl-time{text-align:left;padding:0 0 8px;}
  .tl-axis{display:none;}
  .tl-card{margin-left:0;}
  .sp-grid{gap:16px;}
  .sp-span3{grid-column:span 6;}
  .sp-main{flex-direction:column;}
  .sp-main img{width:100%;flex:none;aspect-ratio:16/9;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .foot-grid{grid-template-columns:1fr;}
  .faq-q{padding:18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 20px;}
}

/* roulang page: article */
:root{
  --c-ink:#0A1626; --c-ink-2:#111F33;
  --c-primary:#0F5FD9; --c-primary-deep:#0B3F94;
  --c-neon:#23E0C8; --c-accent:#FF6B2C;
  --c-bg:#F4F7FC; --c-surface:#FFFFFF; --c-line:#E3EAF5;
  --c-text:#16223A; --c-text-2:#5A6B85; --c-text-3:#8D9CB4;
  --r-card:16px; --r-sm:12px; --r-input:10px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,22,38,.06), 0 12px 32px -14px rgba(10,22,38,.18);
  --sh-2:0 6px 18px -6px rgba(10,22,38,.16), 0 22px 44px -18px rgba(15,95,217,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:Inter,Barlow,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;line-height:1.85;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--c-primary)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-ink);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0));
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(10,22,38,.6)}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{
  font-size:21px;font-weight:800;color:#fff;letter-spacing:.5px;white-space:nowrap;
}
.brand span{color:var(--c-neon);margin-left:2px}
.brand:hover{color:#fff}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-main a{
  position:relative;font-size:15px;font-weight:500;color:#C9D4E4;
  padding:24px 0;display:inline-block;
}
.site-header.is-scrolled .nav-main a{padding:19px 0}
.nav-main a:hover{color:#fff}
.nav-main a.active{color:#fff;text-shadow:0 0 12px rgba(35,224,200,.55)}
.nav-main a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:var(--c-neon);border-radius:2px;
}
.site-header.is-scrolled .nav-main a.active::after{bottom:8px}
.nav-actions{display:flex;align-items:center;gap:16px}
.nav-quiet{font-size:14px;color:#C9D4E4}
.nav-quiet:hover{color:var(--c-neon)}
.nav-toggle{
  display:none;width:44px;height:40px;border:0;background:transparent;cursor:pointer;
  padding:9px 10px;margin-left:auto;
}
.nav-toggle i{display:block;height:2px;background:#fff;border-radius:2px;margin:4px 0;transition:transform var(--ease),opacity var(--ease)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:#ff7d45;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:rgba(15,95,217,.08);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{border-color:var(--c-neon);color:var(--c-neon);transform:translateY(-2px)}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);
  padding:4px 10px;font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-cat{background:rgba(15,95,217,.1);color:var(--c-primary);border:1px solid rgba(15,95,217,.2)}
.badge-neon{border:1px solid rgba(35,224,200,.55);color:var(--c-primary-deep);background:#fff}

/* ---------- breadcrumb + article head ---------- */
.page-top{padding:36px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3)}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary);border-bottom:1px solid var(--c-primary)}
.crumb span{color:var(--c-text-3)}
.crumb em{font-style:normal;color:var(--c-text-3);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{margin-top:20px;padding-bottom:26px;border-bottom:1px solid var(--c-line)}
.article-title{
  font-size:38px;line-height:1.35;font-weight:800;letter-spacing:.2px;max-width:900px;
}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--c-text-3);
}
.article-meta .meta-sep{width:1px;height:12px;background:var(--c-line)}
.article-meta .meta-item{font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.article-shell{margin-top:36px;align-items:flex-start}
.article-main{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:36px 40px;box-shadow:var(--sh-1);
}
.article-side .side-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:32px}

/* ---------- body typography ---------- */
.article-body{font-size:17px;line-height:1.95;color:var(--c-text);overflow-wrap:anywhere}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:24px;line-height:1.4;margin:36px 0 16px;padding-left:14px;
  border-left:4px solid var(--c-neon);
}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px;font-weight:600}
.article-body h4{font-size:17px;margin:22px 0 10px;font-weight:600}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(15,95,217,.35)}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body strong{font-weight:700}
.article-body img{border-radius:var(--r-sm);margin:8px 0 10px}
.article-body figure{margin:0 0 22px}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;line-height:1.85}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:0 0 22px;padding:16px 20px;background:#EAF2FF;border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-text-2);
}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.article-body thead th{background:var(--c-ink);color:#fff;font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line)}
.article-body tbody tr:nth-child(even){background:#F7FAFF}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:28px 0}

/* ---------- inline cta ---------- */
.cta-inline{
  margin:32px 0;padding:24px 26px;border-radius:var(--r-card);
  background:#EAF2FF;border:1px solid rgba(15,95,217,.16);
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
}
.cta-inline h3{font-size:19px;margin:0 0 6px}
.cta-inline p{font-size:14.5px;color:var(--c-text-2);line-height:1.7}

/* ---------- tags / share ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px}
.tag{font-size:12.5px;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 12px;color:var(--c-text-2);background:#fff}
.tag:hover{border-color:rgba(35,224,200,.55);color:var(--c-primary)}
.share-row{display:flex;align-items:center;gap:10px;margin-top:22px;padding-top:22px;border-top:1px solid var(--c-line)}
.share-row .label{font-size:13px;color:var(--c-text-3);margin-right:4px}
.share-btn{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-2);cursor:pointer;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.share-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.share-btn svg{width:16px;height:16px}

/* ---------- not found ---------- */
.empty-box{
  text-align:center;padding:64px 24px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.empty-box .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  border:1.5px solid var(--c-neon);display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.empty-box h2{font-size:22px;margin-bottom:10px}
.empty-box p{color:var(--c-text-2);font-size:15px;margin-bottom:24px}

/* ---------- related ---------- */
.section{margin-top:var(--sp-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:28px;line-height:1.3}
.section-head p{font-size:14.5px;color:var(--c-text-2);margin-top:8px;max-width:620px}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--c-primary-deep)}
.rel-card{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55)}
.rel-card .thumb{aspect-ratio:16/9;background:#E8EEF8;overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .in{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .meta{margin-top:auto;font-size:13px;color:var(--c-text-3);display:flex;align-items:center;justify-content:space-between;gap:10px;font-variant-numeric:tabular-nums}

/* ---------- post nav ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.post-nav a{
  display:block;padding:18px 20px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:#fff;transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.post-nav a:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.post-nav .dir{font-size:12.5px;color:var(--c-text-3)}
.post-nav .tt{font-size:16px;font-weight:600;margin-top:6px}
.back-row{margin-top:20px}

/* ---------- sidebar ---------- */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;margin-bottom:14px}
.side-card.dark{
  background:linear-gradient(180deg,var(--c-ink),var(--c-ink-2));color:#fff;border-color:transparent;
}
.side-card.dark h3{color:#fff}
.side-card.dark p{color:#C9D4E4;font-size:14px;line-height:1.75;margin-bottom:18px}
.side-card.dark .side-num{color:var(--c-neon);font-family:Barlow,sans-serif;font-variant-numeric:tabular-nums;font-size:13px;letter-spacing:2px}
.side-list li{border-bottom:1px solid var(--c-line)}
.side-list li:last-child{border-bottom:0}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 10px 12px 12px;font-size:15px;color:var(--c-text-2);border-left:3px solid transparent;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.side-list a:hover{border-left-color:var(--c-neon);color:var(--c-primary);background:#F7FAFF}
.side-list .arrow{color:var(--c-text-3);font-size:13px}
.side-doc{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line)}
.side-doc:last-child{border-bottom:0}
.side-doc .di{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:#EAF2FF;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
}
.side-doc .dt{font-size:14.5px;font-weight:600;line-height:1.5}
.side-doc .dm{font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sp-section);background:linear-gradient(180deg,var(--c-ink),var(--c-ink-2));
  color:#C9D4E4;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0));
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;
  padding:64px 0 40px;
}
.foot-grid>div{padding:0 24px;border-left:1px solid rgba(255,255,255,.08)}
.foot-grid>div:first-child{padding-left:0;border-left:0}
.foot-brand{font-size:21px;font-weight:800;color:#fff;margin-bottom:12px}
.foot-brand span{color:var(--c-neon)}
.foot-grid p{font-size:14px;line-height:1.85}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:#C9D4E4}
.foot-col a:hover{color:var(--c-neon)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8D9CB4;
}
.foot-bottom a{color:#C9D4E4}
.foot-bottom a:hover{color:var(--c-neon)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sp-section:72px}
  .article-main{padding:28px 24px}
  .article-side .side-sticky{position:static}
  .article-title{font-size:32px}
  .foot-grid{grid-template-columns:1fr 1fr;row-gap:32px}
  .foot-grid>div{padding:0;border-left:0}
}
@media (max-width:1023px){
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:88%;max-width:360px;
    background:var(--c-ink-2);flex-direction:column;align-items:flex-start;gap:0;
    padding:88px 24px 32px;transform:translateX(105%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
    box-shadow:-24px 0 60px -30px rgba(0,0,0,.7);z-index:70;margin-left:0;
  }
  .nav-main a{width:100%;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .nav-main a.active::after{display:none}
  .nav-main a.active{border-left:3px solid var(--c-neon);padding-left:12px}
  .site-header.nav-open .nav-main{transform:translateX(0)}
  .nav-toggle{display:block;z-index:80}
  .nav-actions{display:none}
  .nav-wrap{height:60px;gap:16px}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  .container{padding:0 16px}
  .nav-wrap{padding:0 16px}
  .article-title{font-size:27px}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body h2{font-size:21px}
  .post-nav{grid-template-columns:1fr}
  .cta-inline{padding:20px}
  .foot-grid{grid-template-columns:1fr;padding:48px 0 32px;row-gap:28px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}
@media (max-width:519px){
  .article-main{padding:22px 18px}
  .article-title{font-size:24px}
  .btn{height:46px;padding:0 22px}
}

/* roulang page: category1 */
:root{
  --c-ink:#0A1626;
  --c-ink-2:#111F33;
  --c-primary:#0F5FD9;
  --c-primary-deep:#0B3F94;
  --c-neon:#23E0C8;
  --c-accent:#FF6B2C;
  --c-bg:#F4F7FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF5;
  --c-text:#16223A;
  --c-text-2:#5A6B85;
  --c-text-3:#8D9CB4;
  --r-card:16px;
  --r-sm:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,22,38,.06),0 12px 32px -14px rgba(10,22,38,.18);
  --sh-2:0 6px 18px -6px rgba(10,22,38,.16),0 22px 44px -18px rgba(15,95,217,.28);
  --sec-lg:96px;
  --sec-md:72px;
  --sec-sm:56px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:Inter,Barlow,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;}
.num{font-family:Barlow,Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-lg) 0;}
.section-tight{padding:var(--sec-md) 0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px;}
.sec-head h2{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.2px;}
.sec-head .sec-desc{margin-top:10px;color:var(--c-text-2);font-size:15px;max-width:720px;}
.sec-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--c-primary);font-weight:600;margin-bottom:14px;}
.sec-label::before{content:"";width:22px;height:2px;background:var(--c-neon);border-radius:2px;}
.text-link{color:var(--c-primary);font-size:14px;font-weight:600;border-bottom:1px solid transparent;}
.text-link:hover{border-bottom-color:var(--c-primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#f25f1d;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2),0 0 0 1px rgba(35,224,200,.45);}
.btn-accent:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:rgba(15,95,217,.08);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost:hover{border-color:var(--c-neon);color:var(--c-neon);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-ink);
  border-bottom:2px solid transparent;
  border-image:linear-gradient(90deg,var(--c-neon) 0%,rgba(35,224,200,0) 65%) 1;
  transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 24px -16px rgba(10,22,38,.9);}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:28px;
  transition:height .25s var(--ease);
}
.site-header.scrolled .nav-wrap{height:60px;}
.brand{font-size:19px;font-weight:800;color:#fff;letter-spacing:.2px;flex-shrink:0;}
.brand span{color:var(--c-neon);font-weight:700;}
.brand:hover{color:#fff;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-main a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:#C9D4E4;
  border-radius:6px;
}
.nav-main a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--c-neon);opacity:0;transform:scaleX(.4);transform-origin:left;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nav-main a:hover{color:#fff;}
.nav-main a.active{color:#fff;text-shadow:0 0 12px rgba(35,224,200,.55);}
.nav-main a.active::after{opacity:1;transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px;}
.nav-quiet{font-size:14px;color:#C9D4E4;border-bottom:1px solid transparent;}
.nav-quiet:hover{color:#fff;border-bottom-color:var(--c-neon);}
.nav-toggle{
  display:none;width:42px;height:42px;background:transparent;border:1px solid rgba(255,255,255,.18);
  border-radius:10px;margin-left:auto;padding:10px;
}
.nav-toggle i{display:block;height:2px;background:#fff;border-radius:2px;margin:4px 0;transition:transform .25s var(--ease),opacity .2s var(--ease);}
body.nav-open .nav-toggle i:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle i:nth-child(2){opacity:0;}
body.nav-open .nav-toggle i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 内页窄 banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--c-ink);}
.page-banner-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.62;transform:scale(1.02);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,22,38,.92) 8%,rgba(10,22,38,.55) 58%,rgba(17,31,51,.86) 100%);
}
.banner-inner{position:relative;z-index:2;padding:64px 24px 52px;min-height:280px;display:flex;flex-direction:column;justify-content:flex-end;}
.crumbs{font-size:14px;color:rgba(201,212,228,.85);margin-bottom:20px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs a{color:rgba(201,212,228,.85);}
.crumbs a:hover{color:var(--c-neon);}
.crumbs span.sep{color:rgba(201,212,228,.4);}
.crumbs .cur{color:#fff;}
.page-banner h1{font-size:46px;line-height:1.2;font-weight:800;color:#fff;letter-spacing:-.4px;max-width:820px;}
.banner-sub{margin-top:14px;color:#C9D4E4;font-size:16px;max-width:640px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ---------- 关键信息条 ---------- */
.fact-bar{padding:0 0 var(--sec-sm);margin-top:-1px;}
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.fact-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);display:flex;gap:14px;align-items:flex-start;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.fact-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.fact-icon{
  flex-shrink:0;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(15,95,217,.08);color:var(--c-primary);
}
.fact-icon svg{width:20px;height:20px;}
.fact-label{font-size:13px;color:var(--c-text-3);letter-spacing:.02em;}
.fact-value{font-size:17px;font-weight:600;color:var(--c-text);margin-top:2px;}

/* ---------- 日期 chips ---------- */
.chips-row{
  display:flex;gap:10px;overflow-x:auto;padding:6px 2px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chips-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--c-text-2);background:var(--c-surface);border:1px solid var(--c-line);
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--c-primary);border-color:rgba(15,95,217,.35);}
.chip.is-active{background:var(--c-ink);color:#fff;border-color:rgba(35,224,200,.55);box-shadow:0 0 0 1px rgba(35,224,200,.25);}
.chip .num{font-size:13px;color:var(--c-text-3);}
.chip.is-active .num{color:var(--c-neon);}

/* ---------- 日程表 ---------- */
.day-group{margin-bottom:56px;}
.day-group:last-child{margin-bottom:0;}
.day-title{display:flex;align-items:baseline;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--c-line);margin-bottom:22px;}
.day-title .idx{font-size:22px;font-weight:700;color:var(--c-primary);letter-spacing:.05em;}
.day-title h2{font-size:26px;line-height:1.3;font-weight:700;}
.day-title .day-meta{margin-left:auto;font-size:13px;color:var(--c-text-3);}
.agenda-list{display:grid;gap:12px;}
.agenda-item{
  display:grid;grid-template-columns:132px 1px 1fr auto;gap:0 22px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.agenda-item:hover{background:#F7FAFF;transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55);}
.agenda-time{font-size:16px;font-weight:600;color:var(--c-primary);}
.agenda-time small{display:block;font-size:12px;color:var(--c-text-3);font-weight:500;font-family:Inter,sans-serif;}
.agenda-line{position:relative;height:56px;width:1px;background:var(--c-line);}
.agenda-line::before{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--c-neon);
}
.agenda-item.is-live .agenda-line::before{background:var(--c-primary);border-color:var(--c-primary);}
.agenda-main h3{font-size:18px;font-weight:600;line-height:1.45;}
.agenda-main p{margin-top:6px;font-size:14px;color:var(--c-text-2);line-height:1.7;}
.agenda-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;line-height:1.6;white-space:nowrap;
}
.badge-cat{background:rgba(15,95,217,.09);color:var(--c-primary);}
.badge-live{background:rgba(255,107,44,.12);color:#C24A12;}
.badge-done{background:#EFF2F7;color:var(--c-text-3);}
.badge-soon{background:transparent;color:var(--c-primary-deep);box-shadow:inset 0 0 0 1px rgba(35,224,200,.7);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55);}
.step .idx{font-family:Barlow,sans-serif;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-neon);}
.step h3{font-size:17px;font-weight:600;margin-top:12px;}
.step p{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.75;}
.step .bar{position:absolute;left:24px;right:24px;bottom:22px;height:3px;border-radius:3px;background:var(--c-line);overflow:hidden;}
.step .bar i{display:block;height:100%;width:38%;background:linear-gradient(90deg,var(--c-primary),var(--c-neon));border-radius:3px;}

/* ---------- 适用场景 ---------- */
.fit-wrap{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.fit-text h2{font-size:30px;line-height:1.32;font-weight:700;letter-spacing:-.2px;}
.fit-text p{margin-top:16px;color:var(--c-text-2);font-size:16px;line-height:1.85;}
.fit-note{
  margin-top:24px;padding:18px 20px;border-radius:var(--r-sm);
  background:linear-gradient(180deg,rgba(15,95,217,.06),rgba(35,224,200,.08));
  border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);
}
.fit-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:8px 4px;box-shadow:var(--sh-1);
}
.fit-card h3{font-size:17px;font-weight:600;padding:18px 22px 12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 22px;font-size:14.5px;color:var(--c-text-2);
  border-top:1px solid var(--c-line);line-height:1.7;
}
.check-list li svg{flex-shrink:0;width:18px;height:18px;margin-top:4px;color:var(--c-neon);}
.check-list li b{color:var(--c-text);font-weight:600;}
.fit-media{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.fit-media figure{margin:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);background:#E8EEF8;}
.fit-media img{width:100%;height:150px;object-fit:cover;transition:transform .3s var(--ease);}
.fit-media figure:hover img{transform:scale(1.04);}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;padding:6px 8px;
}
.faq-acc{margin:0;background:transparent;border:0;}
.faq-acc .accordion-item{border:0;}
.faq-acc .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:500;color:var(--c-text);padding:20px 20px;line-height:1.6;
  border-top:1px solid var(--c-line);background:transparent;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-acc .accordion-item:first-child .accordion-title{border-top:0;}
.faq-acc .accordion-title:hover{color:var(--c-primary);background:#F7FAFF;}
.faq-acc .accordion-title::before,.faq-acc .accordion-title::after{
  content:"";position:absolute;right:20px;width:14px;height:1.5px;background:var(--c-primary);
  transition:transform .25s var(--ease);display:none;
}
.faq-acc .accordion-title .sign{
  position:relative;flex:0 0 20px;width:20px;height:20px;
}
.faq-acc .accordion-title .sign::before,
.faq-acc .accordion-title .sign::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--c-primary);border-radius:2px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.faq-acc .accordion-title .sign::before{width:14px;height:1.6px;transform:translate(-50%,-50%);}
.faq-acc .accordion-title .sign::after{width:1.6px;height:14px;transform:translate(-50%,-50%);}
.faq-acc .accordion-item.is-active .accordion-title .sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--c-primary);}
.faq-acc .accordion-content{background:transparent;border:0;padding:0 20px 22px;}
.faq-acc .accordion-content p{font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:760px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0) 70%);
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;padding:52px 0;}
.cta-inner h2{font-size:28px;font-weight:700;line-height:1.35;}
.cta-inner p{margin-top:10px;color:#C9D4E4;font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9D4E4;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(35,224,200,0) 20%,var(--c-neon) 50%,rgba(35,224,200,0) 80%);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:64px 0 40px;}
.foot-grid > div{padding-right:12px;border-right:1px solid rgba(255,255,255,.08);}
.foot-grid > div:last-child{border-right:0;}
.foot-brand{font-size:20px;font-weight:800;color:#fff;}
.foot-brand span{color:var(--c-neon);}
.site-footer p{font-size:14px;line-height:1.85;margin-top:14px;color:#9FAEC5;}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul a{font-size:14px;color:#9FAEC5;}
.foot-col ul a:hover{color:var(--c-neon);}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;font-size:13px;color:#8D9CB4;
}
.foot-bottom a{color:#C9D4E4;}
.foot-bottom a:hover{color:var(--c-neon);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-wrap{height:60px;}
  .site-header.scrolled .nav-wrap{height:60px;}
  .nav-toggle{display:block;}
  .nav-main,.nav-actions{
    position:fixed;right:0;width:88%;max-width:360px;background:var(--c-ink);
    flex-direction:column;align-items:stretch;gap:0;
    transform:translateX(110%);transition:transform .3s var(--ease);
    z-index:70;box-shadow:-14px 0 40px -20px rgba(0,0,0,.8);
  }
  .nav-main{top:60px;bottom:0;padding:16px 20px 170px;overflow-y:auto;margin-left:0;}
  .nav-actions{top:auto;bottom:0;padding:16px 20px 26px;gap:12px;}
  body.nav-open .nav-main,body.nav-open .nav-actions{transform:translateX(0);}
  .nav-main a{padding:16px 6px 16px 14px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08);border-radius:0;}
  .nav-main a::after{display:none;}
  .nav-main a.active{border-left:3px solid var(--c-neon);padding-left:14px;}
  .nav-actions .btn{width:100%;}
  .nav-quiet{text-align:center;padding:6px 0;}
  .floating-mask{position:fixed;inset:60px 0 0 0;background:rgba(10,22,38,.55);opacity:0;pointer-events:none;transition:opacity .25s var(--ease);z-index:65;}
  body.nav-open .floating-mask{opacity:1;pointer-events:auto;}
  .page-banner h1{font-size:34px;}
  .fact-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .fit-wrap{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .foot-grid > div{border-right:0;}
}
@media (max-width:639px){
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 18px;}
  .section{padding:var(--sec-sm) 0;}
  .section-tight{padding:44px 0;}
  .sec-head h2{font-size:24px;}
  .banner-inner{padding:44px 18px 40px;min-height:220px;}
  .page-banner h1{font-size:30px;}
  .banner-sub{font-size:15px;}
  .fact-grid{grid-template-columns:1fr;}
  .agenda-item{grid-template-columns:1fr;gap:10px;padding:18px;}
  .agenda-line{display:none;}
  .agenda-time{font-size:15px;}
  .agenda-item .agenda-status{justify-self:start;}
  .steps{grid-template-columns:1fr;}
  .day-title{flex-wrap:wrap;gap:8px;}
  .day-title .day-meta{margin-left:0;width:100%;}
  .day-title h2{font-size:21px;}
  .fit-media{grid-template-columns:1fr;}
  .cta-inner{padding:40px 0;}
  .cta-inner h2{font-size:23px;}
  .foot-grid{grid-template-columns:1fr;padding:44px 0 28px;}
  .faq-acc .accordion-title{font-size:16px;padding:18px 16px;}
  .faq-acc .accordion-content{padding:0 16px 18px;}
}

/* roulang page: category2 */
:root{
  --c-ink:#0A1626;
  --c-ink-2:#111F33;
  --c-primary:#0F5FD9;
  --c-primary-deep:#0B3F94;
  --c-neon:#23E0C8;
  --c-accent:#FF6B2C;
  --c-bg:#F4F7FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF5;
  --c-text:#16223A;
  --c-text-2:#5A6B85;
  --c-text-3:#8D9CB4;
  --sh-1:0 1px 2px rgba(10,22,38,.06),0 12px 32px -14px rgba(10,22,38,.18);
  --sh-2:0 6px 18px -6px rgba(10,22,38,.16),0 22px 44px -18px rgba(15,95,217,.28);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Barlow,system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--c-primary)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:-.01em}
h1{font-size:46px;line-height:1.2;font-weight:800}
h2{font-size:34px;line-height:1.3;font-weight:700}
h3{font-size:22px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.45;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:Barlow,Inter,sans-serif;font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section-sm{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head p{color:var(--c-text-2);font-size:15px;margin-top:10px;max-width:640px}
.text-link{font-size:15px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent}
.text-link:hover{border-bottom-color:var(--c-primary)}
.text-link svg{width:16px;height:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{color:#fff;background:#ff7c45;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{color:var(--c-neon);border-color:rgba(35,224,200,.75);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:rgba(15,95,217,.08);color:var(--c-primary-deep);transform:translateY(-2px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-ink);
  transition:box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0) 62%);
  opacity:.85;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(10,22,38,.85)}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:36px;
}
.brand{font-size:20px;font-weight:800;color:#fff;letter-spacing:.01em;white-space:nowrap}
.brand span{color:var(--c-neon)}
.brand:hover{color:#fff}
.nav-main{display:flex;align-items:center;gap:28px;height:100%}
.nav-main a{
  position:relative;height:100%;display:inline-flex;align-items:center;
  font-size:15px;font-weight:500;color:#C9D4E4;transition:color .2s var(--ease);
}
.nav-main a:hover{color:#fff}
.nav-main a.active{color:#fff}
.nav-main a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-neon);
}
.nav-main a.active{text-shadow:0 0 12px rgba(35,224,200,.55)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:20px}
.nav-quiet{font-size:14px;font-weight:500;color:#C9D4E4}
.nav-quiet:hover{color:var(--c-neon)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:none;background:transparent;
  cursor:pointer;padding:0;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle i{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open i:nth-child(2){opacity:0}
.nav-toggle.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(10,22,38,.55);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:70;
}
.nav-overlay.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;background:var(--c-ink);
  z-index:80;transform:translateX(100%);transition:transform .28s var(--ease);
  padding:28px 24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-title{font-size:13px;color:#8D9CB4;letter-spacing:.08em;margin-bottom:8px}
.nav-drawer a{
  display:flex;align-items:center;height:52px;font-size:16px;color:#C9D4E4;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-drawer a:hover{color:#fff}
.nav-drawer a.active{color:#fff;box-shadow:inset 3px 0 0 var(--c-neon);padding-left:14px}
.nav-drawer .btn{margin-top:20px;width:100%}
body.nav-locked{overflow:hidden}

/* ---------- 内页窄横幅 ---------- */
.page-banner{
  position:relative;min-height:280px;
  background-image:linear-gradient(90deg,rgba(10,22,38,.88) 0%,rgba(10,22,38,.62) 45%,rgba(10,22,38,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;padding:44px 0 40px;
}
.page-banner .banner-inner{position:relative;z-index:2;max-width:760px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.68)}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.38)}
.page-banner h1{color:#fff;font-size:42px;line-height:1.2;font-weight:800}
.page-banner .banner-sub{color:rgba(255,255,255,.82);font-size:16px;margin-top:14px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(35,224,200,.55);color:var(--c-neon);font-size:13px;font-weight:600;margin-bottom:18px;
  background:rgba(35,224,200,.08);
}

/* ---------- 筛选条 ---------- */
.filter-bar{padding:28px 0 0}
.filter-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.chip-scroll{display:flex;gap:10px;overflow-x:auto;padding:4px 2px;scrollbar-width:none}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-text-2);font-size:14px;font-weight:500;cursor:pointer;
  display:inline-flex;align-items:center;transition:all .2s var(--ease);
}
.chip:hover{color:var(--c-primary);border-color:rgba(15,95,217,.35);transform:translateY(-1px)}
.chip.is-active{
  background:var(--c-ink);color:#fff;border-color:rgba(35,224,200,.55);
  box-shadow:0 0 0 1px rgba(35,224,200,.28),0 10px 24px -16px rgba(10,22,38,.9);
}
.chip-count{margin-left:auto;font-size:14px;color:var(--c-text-3);white-space:nowrap}
.chip-count b{font-family:Barlow,Inter,sans-serif;font-size:20px;color:var(--c-primary);font-weight:700;margin-right:4px}

/* ---------- 人物墙 ---------- */
.guest-wall{margin-top:8px}
.guest-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:12px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.guest-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55)}
.guest-photo{
  position:relative;width:100%;aspect-ratio:3/4;border-radius:var(--r-md);overflow:hidden;
  background:#E8EEF8;
}
.guest-photo img{width:100%;height:100%;object-fit:cover}
.guest-photo .field-tag{
  position:absolute;left:10px;top:10px;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(10,22,38,.72);color:#EAF2FF;font-size:12px;display:inline-flex;align-items:center;
  backdrop-filter:blur(2px);
}
.guest-meta{padding:12px 6px 6px}
.guest-meta h3{font-size:17px;font-weight:600;line-height:1.4}
.guest-meta .role{font-size:13px;color:var(--c-text-3);margin-top:4px;line-height:1.5}
.guest-lead{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:24px;height:100%;
  display:grid;grid-template-columns:180px 1fr;gap:24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.guest-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55)}
.guest-lead .lead-photo{aspect-ratio:3/4;border-radius:var(--r-md);overflow:hidden;background:#E8EEF8}
.guest-lead .lead-photo img{width:100%;height:100%;object-fit:cover}
.guest-lead h3{font-size:24px;font-weight:700}
.guest-lead .lead-role{font-size:14px;color:var(--c-text-2);margin-top:6px}
.guest-lead .lead-desc{font-size:15px;color:var(--c-text-2);margin-top:14px;line-height:1.8}
.guest-lead .lead-quote{
  margin-top:16px;padding:14px 16px;border-left:3px solid var(--c-neon);border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:#F1F6FF;font-size:15px;color:var(--c-primary-deep);line-height:1.7;
}
.lead-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
}
.badge-primary{background:rgba(15,95,217,.1);color:var(--c-primary)}
.badge-neon{background:rgba(35,224,200,.12);color:#0E7C6E;border:1px solid rgba(35,224,200,.55)}

/* ---------- 提示条 ---------- */
.notice-bar{
  margin-top:48px;display:flex;align-items:flex-start;gap:16px;
  background:#EEF4FF;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px 24px;
}
.notice-bar .notice-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:#fff;
  display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);
}
.notice-bar .notice-icon svg{width:20px;height:20px;color:var(--c-primary)}
.notice-bar h4{font-size:16px;margin-bottom:6px}
.notice-bar p{font-size:14.5px;color:var(--c-text-2);max-width:860px}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  border-radius:20px;padding:44px 48px;display:flex;align-items:center;gap:32px;
  justify-content:space-between;flex-wrap:wrap;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0) 60%);
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.3}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:620px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-ink);color:#C9D4E4;padding:72px 0 0;margin-top:0}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(35,224,200,0),rgba(35,224,200,.6),rgba(35,224,200,0));
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.foot-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}
.foot-brand span{color:var(--c-neon)}
.site-footer p{font-size:14px;color:#93A2B9;line-height:1.85}
.foot-col{border-left:1px solid rgba(255,255,255,.08);padding-left:28px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{font-size:14px;color:#93A2B9}
.foot-col ul li a:hover{color:var(--c-neon)}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E8CA3;
}
.foot-bottom a{color:#93A2B9}
.foot-bottom a:hover{color:var(--c-neon)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--sp-section:72px}
  h1{font-size:34px}
  h2{font-size:26px}
  .nav-main,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:64px;gap:16px}
  .page-banner{min-height:240px;padding:36px 0 32px}
  .page-banner h1{font-size:32px}
  .guest-lead{grid-template-columns:150px 1fr;gap:18px;padding:18px}
  .cta-band{padding:32px 28px}
  .cta-band h2{font-size:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-col{border-left:none;padding-left:0}
}
@media screen and (max-width:767px){
  :root{--sp-section:56px}
  body{font-size:16px}
  h1{font-size:30px}
  h2{font-size:24px}
  .section{padding:56px 0}
  .container{padding:0 18px}
  .nav-wrap{padding:0 18px}
  .page-banner{min-height:220px;padding:30px 0 26px}
  .page-banner h1{font-size:27px}
  .page-banner .banner-sub{font-size:14.5px;margin-top:10px}
  .guest-lead{grid-template-columns:1fr;padding:16px}
  .guest-lead .lead-photo{aspect-ratio:4/3}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .filter-row{gap:12px}
  .chip-count{margin-left:0;width:100%}
}
@media screen and (max-width:520px){
  .page-banner h1{font-size:24px}
  .guest-meta h3{font-size:15.5px}
  .guest-meta .role{font-size:12.5px}
  .notice-bar{padding:18px}
}

/* roulang page: category3 */
:root{
  --c-ink:#0A1626;
  --c-ink-2:#111F33;
  --c-primary:#0F5FD9;
  --c-primary-deep:#0B3F94;
  --c-neon:#23E0C8;
  --c-accent:#FF6B2C;
  --c-bg:#F4F7FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF5;
  --c-text:#16223A;
  --c-text-2:#5A6B85;
  --c-text-3:#8D9CB4;
  --r-card:16px;
  --r-inner:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,22,38,.06),0 12px 32px -14px rgba(10,22,38,.18);
  --sh-2:0 6px 18px -6px rgba(10,22,38,.16),0 22px 44px -18px rgba(15,95,217,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:Inter,Barlow,system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:.005em}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0}
svg{display:block}
:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;border-radius:4px}
.container,.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-container{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:#ff7a42;color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px -6px rgba(255,107,44,.5),0 0 0 2px rgba(35,224,200,.5)}
.btn-accent:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:rgba(15,95,217,.08);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{border-color:var(--c-neon);color:var(--c-neon);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--c-ink);
  transition:box-shadow .25s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0));
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(10,22,38,.85)}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:28px;transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{
  font-size:20px;font-weight:800;color:#fff;letter-spacing:.01em;line-height:1;
  display:inline-flex;align-items:baseline;
}
.brand span{color:var(--c-neon);font-weight:700}
.brand:hover{color:#fff}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:auto;margin-right:auto}
.nav-main a{
  position:relative;display:flex;align-items:center;height:72px;
  font-size:15px;font-weight:500;color:#C9D4E4;
  transition:color .2s var(--ease),height .25s var(--ease);
}
.site-header.is-scrolled .nav-main a{height:60px}
.nav-main a:hover{color:#fff}
.nav-main a.active{color:#fff;text-shadow:0 0 12px rgba(35,224,200,.55)}
.nav-main a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-neon);
}
.nav-actions{display:flex;align-items:center;gap:18px}
.nav-quiet{font-size:14px;color:#C9D4E4}
.nav-quiet:hover{color:var(--c-neon)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.18);
  border-radius:12px;background:transparent;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s var(--ease)}
.nav-toggle:hover{border-color:var(--c-neon)}

/* ---------- drawer ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:120;
  background:var(--c-ink-2);padding:22px 20px;
  transform:translateX(105%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.nd-head{display:flex;align-items:center;justify-content:space-between}
.nd-close{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;
}
.nd-nav{display:flex;flex-direction:column}
.nd-nav a{
  color:#C9D4E4;font-size:15px;padding:15px 0 15px 12px;border-bottom:1px solid rgba(255,255,255,.08);
  position:relative;
}
.nd-nav a:hover{color:#fff}
.nd-nav a.active{color:#fff;text-shadow:0 0 12px rgba(35,224,200,.5)}
.nd-nav a.active::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--c-neon);border-radius:3px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,22,38,.55);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- banner ---------- */
.banner{
  position:relative;background:linear-gradient(135deg,var(--c-ink),var(--c-ink-2));
  overflow:hidden;min-height:200px;display:flex;align-items:flex-end;
}
.banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(35,224,200,.75),rgba(35,224,200,0));
}
.banner-inner{position:relative;z-index:2;width:100%;padding-top:44px;padding-bottom:32px}
.crumbs{font-size:14px;color:rgba(255,255,255,.66);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.66)}
.crumbs a:hover{color:var(--c-neon)}
.crumbs .sep{color:rgba(255,255,255,.35)}
.banner h1{
  color:#fff;font-size:38px;line-height:1.22;font-weight:800;margin:14px 0 12px;max-width:760px;
}
.banner .sub{color:#C9D4E4;font-size:16px;margin:0;max-width:640px}
.banner-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:rgba(255,255,255,.72);
  font-variant-numeric:tabular-nums}
.banner-meta span{display:inline-flex;align-items:center;gap:7px}
.banner-watermark{
  position:absolute;right:-6px;bottom:-38px;z-index:1;pointer-events:none;user-select:none;
  font-family:Barlow,var(--font);font-weight:800;font-size:150px;line-height:1;letter-spacing:-.03em;
  color:rgba(35,224,200,.10);font-variant-numeric:tabular-nums;
}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-ink{background:var(--c-ink);color:#C9D4E4}
.section-ink h2,.section-ink h3{color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700}
.section-head .lead{margin:12px 0 0;color:var(--c-text-2);font-size:16px;max-width:660px}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more svg{transition:transform .2s var(--ease)}
.link-more:hover svg{transform:translateX(3px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);
  letter-spacing:.06em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-neon);border-radius:2px}

/* ---------- ticket cards ---------- */
.ticket-grid{margin-top:8px}
.ticket-col{display:flex}
.ticket-card{
  position:relative;display:flex;flex-direction:column;width:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px 24px 26px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.ticket-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3DEF0}
.ticket-card.featured{border-color:rgba(35,224,200,.55);transform:translateY(-8px)}
.ticket-card.featured:hover{transform:translateY(-12px)}
.badge-recommend{
  position:absolute;top:0;left:50%;transform:translate(-50%,-50%);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
  padding:5px 16px;border-radius:var(--r-pill);white-space:nowrap;
}
.tc-name{font-size:22px;font-weight:700;line-height:1.4}
.tc-note{font-size:13px;color:var(--c-text-3);margin:6px 0 0}
.tc-price{
  display:flex;align-items:baseline;gap:8px;margin:18px 0 6px;
  font-family:Barlow,var(--font);font-variant-numeric:tabular-nums;
}
.tc-price .num{font-size:44px;font-weight:800;color:var(--c-ink);line-height:1}
.tc-price .cur{font-size:20px;font-weight:700;color:var(--c-text-2)}
.tc-price .unit{font-size:13px;color:var(--c-text-3);font-weight:500}
.tc-divider{height:1px;background:var(--c-line);margin:18px 0 6px}
.tc-list{list-style:none;margin:0;padding:0}
.tc-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.6;
  padding:9px 0;border-bottom:1px dashed var(--c-line);color:var(--c-text);
}
.tc-list li:last-child{border-bottom:0}
.tc-list .ico{flex:0 0 auto;margin-top:4px;width:16px;height:16px}
.tc-list li.yes .ico{color:var(--c-primary)}
.tc-list li.no{color:var(--c-text-3)}
.tc-list li.no .ico{color:var(--c-text-3)}
.tc-service{
  font-size:13px;color:var(--c-text-2);background:#F7FAFF;border:1px solid var(--c-line);
  border-radius:var(--r-inner);padding:10px 12px;margin:18px 0 20px;line-height:1.6;
}
.tc-foot{margin-top:auto}

/* ---------- flow ---------- */
.flow{position:relative;margin-top:12px}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow-grid::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;background:var(--c-line);
}
.flow-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 20px;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55)}
.flow-no{
  width:52px;height:52px;border-radius:50%;background:#fff;border:2px solid var(--c-neon);
  display:flex;align-items:center;justify-content:center;font-family:Barlow,var(--font);
  font-weight:700;font-size:16px;color:var(--c-primary);font-variant-numeric:tabular-nums;
  margin-bottom:16px;position:relative;z-index:2;
}
.flow-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.flow-item p{font-size:14.5px;color:var(--c-text-2);margin:0;line-height:1.75}

/* ---------- zone bar ---------- */
.zone-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1)}
.zone-bar{display:flex;gap:6px;height:16px;margin:6px 0 22px}
.zone-bar span{border-radius:var(--r-pill);display:block}
.zs-a{flex:38;background:rgba(15,95,217,.9)}
.zs-b{flex:28;background:rgba(15,95,217,.58)}
.zs-c{flex:22;background:rgba(15,95,217,.28)}
.zs-d{flex:12;background:rgba(35,224,200,.75)}
.zone-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.zone-item{border-left:2px solid var(--c-line);padding-left:14px}
.zone-item h4{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--c-ink)}
.zone-item p{font-size:13.5px;color:var(--c-text-2);margin:0;line-height:1.7}
.zone-item:nth-child(4){border-left-color:var(--c-neon)}

/* ---------- rules / accordion ---------- */
.rules-wrap{margin-top:8px}
.rules-intro h2{font-size:32px;line-height:1.32;font-weight:700}
.rules-intro p{color:var(--c-text-2);font-size:15.5px;margin-top:16px}
.rules-points{list-style:none;margin:22px 0 0;padding:0}
.rules-points li{display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2);margin-bottom:12px;line-height:1.7}
.rules-points .ico{color:var(--c-neon);flex:0 0 auto;margin-top:5px;width:16px;height:16px}
.acc{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.acc-item + .acc-item{border-top:1px solid var(--c-line)}
.acc-btn{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:500;color:var(--c-text);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.acc-btn:hover{background:#F7FAFF;color:var(--c-primary)}
.acc-icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.acc-icon::before{left:0;top:8px;width:18px;height:2px}
.acc-icon::after{left:8px;top:0;width:2px;height:18px}
.acc-item.open .acc-icon::after{transform:rotate(90deg);opacity:0}
.acc-panel[hidden]{display:none}
.acc-inner{padding:0 24px 22px;max-width:760px}
.acc-inner p{font-size:15px;line-height:1.85;color:var(--c-text-2);margin:0 0 10px}
.acc-inner p:last-child{margin-bottom:0}

/* ---------- service asymmetric ---------- */
.svc-copy h2{font-size:32px;line-height:1.32;font-weight:700}
.svc-copy p{color:var(--c-text-2);font-size:16px;margin-top:16px}
.svc-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:10px 22px;box-shadow:var(--sh-1)}
.svc-list .row-item{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-bottom:1px dashed var(--c-line)}
.svc-list .row-item:last-child{border-bottom:0}
.svc-ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:rgba(15,95,217,.08);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
}
.svc-list h4{font-size:16px;font-weight:600;margin-bottom:4px}
.svc-list p{font-size:13.5px;color:var(--c-text-2);margin:0;line-height:1.7}
.svc-figure{margin-top:28px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line)}
.svc-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;background:#E8EEF8}
.svc-figure figcaption{font-size:13px;color:var(--c-text-3);padding:10px 14px;background:#fff;text-align:center}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;background:linear-gradient(135deg,var(--c-ink),var(--c-ink-2));
  padding:64px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0));
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:32px;font-weight:700;line-height:1.3}
.cta-inner p{color:#C9D4E4;font-size:15px;margin:12px 0 0;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C9D4E4;padding:64px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0));
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.foot-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}
.foot-brand span{color:var(--c-neon)}
.foot-grid p{font-size:14px;color:#9EAEC5;margin:0;line-height:1.8}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:10px}
.foot-col a{color:#C9D4E4;font-size:14px}
.foot-col a:hover{color:var(--c-neon)}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8D9CB4;
}
.foot-bottom a{color:#8D9CB4}
.foot-bottom a:hover{color:var(--c-neon)}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .nav-main,.nav-quiet{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid::before{display:none}
  .zone-list{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .banner-watermark{font-size:110px;bottom:-26px}
  .banner h1{font-size:32px}
  .section-head h2,.rules-intro h2,.svc-copy h2,.cta-inner h2{font-size:26px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .container,.grid-container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .banner{padding-top:0}
  .banner-inner{padding-top:32px;padding-bottom:26px}
  .banner h1{font-size:30px}
  .banner-watermark{font-size:84px;bottom:-18px;right:-4px}
  .banner .sub{font-size:15px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-head h2,.rules-intro h2,.svc-copy h2,.cta-inner h2{font-size:24px}
  .ticket-card{padding:28px 20px 22px}
  .ticket-card.featured,.ticket-card.featured:hover{transform:none}
  .tc-price .num{font-size:38px}
  .flow-grid{grid-template-columns:1fr}
  .zone-list{grid-template-columns:1fr;gap:16px}
  .acc-btn{padding:18px 20px;font-size:16px}
  .acc-inner{padding:0 20px 20px}
  .svc-list{padding:6px 18px}
  .cta-band{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --c-ink:#0A1626;
  --c-ink-2:#111F33;
  --c-primary:#0F5FD9;
  --c-primary-deep:#0B3F94;
  --c-neon:#23E0C8;
  --c-accent:#FF6B2C;
  --c-bg:#F4F7FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF5;
  --c-text:#16223A;
  --c-text-2:#5A6B85;
  --c-text-3:#8D9CB4;
  --r-card:16px;
  --r-sm:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(10,22,38,.06),0 12px 32px -14px rgba(10,22,38,.18);
  --sh-2:0 6px 18px -6px rgba(10,22,38,.16),0 22px 44px -18px rgba(15,95,217,.28);
  --tr:200ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:Inter,Barlow,system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--tr),border-color var(--tr),background var(--tr);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-neon);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.01em;}
h2{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.005em;}
h3{font-size:22px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
.num{font-family:Barlow,Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
.sec-head .sec-title{max-width:680px;}
.sec-head h2{margin-bottom:10px;}
.sec-desc{color:var(--c-text-2);font-size:16px;line-height:1.8;max-width:640px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap;}
.text-link svg{transition:transform var(--tr);}
.text-link:hover svg{transform:translateX(4px);}
.text-link:hover{color:var(--c-primary-deep);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  transition:all var(--tr);border:1.5px solid transparent;white-space:nowrap;
}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#ff7f47;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:rgba(15,95,217,.08);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-ghost:hover{border-color:var(--c-neon);color:var(--c-neon);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(15,95,217,.09);color:var(--c-primary);font-weight:600;
}
.badge-accent{background:rgba(255,107,44,.12);color:#d24f14;}
.badge-grey{background:#EEF2F8;color:var(--c-text-2);}
.badge-neon{background:transparent;border:1px solid rgba(35,224,200,.55);color:#0d8b7c;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--c-ink);
  transition:box-shadow var(--tr);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(10,22,38,.6);}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon) 0%,rgba(35,224,200,0) 78%);
}
.nav-wrap{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:36px;transition:height var(--tr);
}
.site-header.is-scrolled .nav-wrap{height:60px;}
.brand{
  font-size:21px;font-weight:800;color:#fff;letter-spacing:-.01em;
  display:inline-flex;align-items:baseline;white-space:nowrap;
}
.brand span{color:var(--c-neon);}
.brand:hover{color:#fff;}
.nav-main{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-main a{
  position:relative;font-size:15px;font-weight:500;color:#C9D4E4;padding:6px 0;
}
.nav-main a:hover{color:#fff;}
.nav-main a.active{color:#fff;text-shadow:0 0 12px rgba(35,224,200,.55);}
.nav-main a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-neon);
}
.nav-actions{display:flex;align-items:center;gap:20px;}
.nav-quiet{font-size:14.5px;color:#C9D4E4;font-weight:500;}
.nav-quiet:hover{color:var(--c-neon);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle i{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform var(--tr),opacity var(--tr);}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-mask{
  position:fixed;inset:0;background:rgba(6,13,24,.62);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:75;
}
.nav-mask.is-open{opacity:1;visibility:visible;}
body.nav-locked{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:14px;}
.crumb a:hover{color:var(--c-neon);}
.crumb span{margin:0 8px;color:rgba(255,255,255,.35);}

/* ---------- 顶部横向 banner ---------- */
.page-banner{
  position:relative;background:linear-gradient(100deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  padding:38px 0 38px;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;left:-6%;top:-60%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(35,224,200,.16),transparent 68%);
}
.page-banner .grid-x{position:relative;z-index:2;align-items:center;}
.banner-copy h1{color:#fff;font-size:40px;margin-bottom:12px;max-width:640px;}
.banner-sub{color:rgba(255,255,255,.78);font-size:16px;line-height:1.75;max-width:520px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.banner-meta .badge{background:rgba(255,255,255,.1);color:#DCE6F5;}
.banner-media{margin-top:0;}
.banner-media img{
  width:100%;height:176px;object-fit:cover;border-radius:var(--r-sm);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.75);background:#E8EEF8;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,rgba(35,224,200,.9),rgba(35,224,200,0) 70%);
}

/* ---------- 关键信息条 ---------- */
.facts{padding:64px 0 0;}
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.fact-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.fact-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55);}
.fact-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(15,95,217,.08);color:var(--c-primary);margin-bottom:16px;
}
.fact-card .fact-label{font-size:13px;color:var(--c-text-3);letter-spacing:.02em;}
.fact-card .fact-value{font-size:17px;font-weight:600;margin-top:6px;color:var(--c-text);}

/* ---------- 内容矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.matrix-card{
  display:flex;gap:20px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,224,200,.55);}
.matrix-thumb{
  flex:0 0 148px;height:118px;border-radius:var(--r-sm);overflow:hidden;background:#E8EEF8;
}
.matrix-thumb img{width:100%;height:100%;object-fit:cover;}
.matrix-body{flex:1;min-width:0;}
.matrix-body h3{font-size:18px;margin-bottom:8px;}
.matrix-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;margin-bottom:14px;}
.matrix-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.matrix-arrow{color:var(--c-text-3);transition:color var(--tr),transform var(--tr);}
.matrix-card:hover .matrix-arrow{color:var(--c-primary);transform:translateX(4px);}

/* ---------- 资料获取 ---------- */
.res-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--sh-1);
}
.res-aside h3{font-size:24px;margin-bottom:14px;}
.res-aside p{font-size:15px;color:var(--c-text-2);line-height:1.85;margin-bottom:20px;}
.res-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--c-text);margin-bottom:14px;}
.res-points li span.dot{
  flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--c-neon);
  box-shadow:0 0 0 3px rgba(35,224,200,.18);margin-top:10px;
}
.dl-item{
  display:flex;align-items:center;gap:18px;padding:18px 6px;border-bottom:1px solid var(--c-line);
  transition:background var(--tr),padding var(--tr);
}
.dl-item:last-child{border-bottom:0;}
.dl-item:hover{background:#F7FAFF;padding-left:14px;padding-right:14px;border-radius:var(--r-sm);}
.dl-icon{
  flex:0 0 44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,107,44,.1);color:#d24f14;
}
.dl-meta{flex:1;min-width:0;}
.dl-meta h4{font-size:16px;margin-bottom:4px;}
.dl-meta .dl-tags{font-size:13px;color:var(--c-text-3);}
.dl-tags b{font-weight:600;color:var(--c-text-2);}
.dl-action{color:var(--c-primary);flex:0 0 auto;display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;}

/* ---------- 订阅 ---------- */
.subscribe{
  background:linear-gradient(120deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  border-radius:var(--r-card);padding:48px;position:relative;overflow:hidden;
}
.subscribe::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0) 70%);
}
.subscribe h2{color:#fff;font-size:30px;margin-bottom:12px;}
.subscribe .sub-desc{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85;max-width:480px;}
.sub-list{margin-top:26px;}
.sub-list li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.86);font-size:14.5px;margin-bottom:12px;}
.sub-list svg{flex:0 0 auto;margin-top:5px;color:var(--c-neon);}
.sub-form{
  background:var(--c-surface);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-2);
}
.sub-form h3{font-size:19px;margin-bottom:8px;}
.sub-form .form-hint{font-size:13.5px;color:var(--c-text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-text-2);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;color:var(--c-text);font-size:15px;transition:border-color var(--tr),box-shadow var(--tr);
}
.field input::placeholder{color:#A9B6CB;}
.field input:focus,.field select:focus{
  border-color:rgba(35,224,200,.85);box-shadow:0 0 0 3px rgba(35,224,200,.16);outline:none;
}
.form-note{font-size:13px;color:var(--c-text-3);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;margin-top:16px;background:rgba(35,224,200,.1);
  border:1px solid rgba(35,224,200,.5);border-radius:var(--r-sm);
  padding:14px 16px;font-size:14px;color:#0d7a6d;
}
.form-success.is-show{display:block;}

/* ---------- FAQ ---------- */
.faq-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:8px 12px;box-shadow:var(--sh-1);
}
.accordion{background:transparent;border:0;margin:0;max-width:none;}
.accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent;}
.accordion-item:last-child{border-bottom:0;}
.accordion-title{
  position:relative;display:block;border:0;background:transparent;
  padding:22px 60px 22px 16px;font-size:17px;font-weight:500;color:var(--c-text);line-height:1.6;
  transition:color var(--tr);
}
.accordion-title:hover{color:var(--c-primary);background:transparent;}
.accordion-title::before{
  content:"";position:absolute;right:34px;top:50%;width:2px;height:13px;margin-top:-6.5px;
  background:var(--c-primary);transition:transform var(--tr),opacity var(--tr);
}
.accordion-title::after{
  content:"";position:absolute;right:28px;top:50%;width:13px;height:2px;margin-top:-1px;
  background:var(--c-primary);
}
.accordion-item.is-active .accordion-title::before{transform:rotate(90deg);opacity:0;}
.accordion-content{
  padding:0 60px 24px 16px;border:0;background:transparent;
  font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:820px;
}

/* ---------- 底部 CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  padding:56px 0;position:relative;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,rgba(35,224,200,.9),rgba(35,224,200,0) 70%);
}
.cta-band .cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);padding:72px 0 0;color:#C9D4E4;position:relative;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(35,224,200,0) 72%);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;}
.foot-brand span{color:var(--c-neon);}
.site-footer p{font-size:14px;line-height:1.9;color:#9FADC4;}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.foot-col ul li{margin-bottom:11px;}
.foot-col a{font-size:14px;color:#9FADC4;}
.foot-col a:hover{color:var(--c-neon);}
.foot-col p{margin:0;}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:#8290A8;
}
.foot-bottom a{color:#8290A8;}
.foot-bottom a:hover{color:var(--c-neon);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .banner-copy h1{font-size:32px;}
  .banner-media img{height:150px;}
  .fact-grid{grid-template-columns:repeat(2,1fr);}
  .matrix-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:88%;max-width:360px;
    background:var(--c-ink);flex-direction:column;align-items:stretch;gap:0;
    padding:84px 0 24px;margin-left:0;transform:translateX(100%);
    transition:transform .28s cubic-bezier(.2,.7,.3,1);overflow-y:auto;z-index:78;
    box-shadow:-24px 0 48px -24px rgba(0,0,0,.7);
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-main a{padding:16px 28px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08);}
  .nav-main a.active{border-left:3px solid var(--c-neon);padding-left:25px;}
  .nav-main a.active::after{display:none;text-shadow:none;}
  .nav-actions{margin-left:auto;}
  .nav-quiet{display:none;}
  .nav-toggle{display:flex;margin-left:8px;}
  .subscribe{padding:36px 28px;}
  .res-panel{padding:26px;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .container{padding:0 18px;}
  .nav-wrap{padding:0 18px;gap:12px;height:64px;}
  .brand{font-size:18px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-banner{padding:28px 0 32px;}
  .banner-copy h1{font-size:27px;}
  .banner-media{margin-top:22px;}
  .banner-media img{height:140px;}
  .facts{padding:44px 0 0;}
  .fact-grid{grid-template-columns:1fr;}
  .matrix-card{flex-direction:column;}
  .matrix-thumb{flex:0 0 auto;width:100%;height:150px;}
  .dl-item{align-items:flex-start;gap:12px;}
  .dl-action span{display:none;}
  .subscribe{padding:28px 20px;}
  .subscribe h2{font-size:23px;}
  .sub-form{padding:22px;}
  .accordion-title{padding:18px 52px 18px 12px;font-size:15.5px;}
  .accordion-title::before{right:30px;}
  .accordion-title::after{right:24px;}
  .accordion-content{padding:0 40px 20px 12px;}
  .cta-band{padding:44px 0;}
  .cta-band h2{font-size:22px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding-top:56px;}
}