/* roulang page: index */
:root{
  --brand:#0E9F8E;
  --brand-dark:#0A7E71;
  --brand-deep:#075B52;
  --brand-grad:linear-gradient(120deg,#0E9F8E 0%,#2FC49E 48%,#A8E063 100%);
  --accent:#FF7A45;
  --accent-dark:#E85F2A;
  --lemon:#C6F26B;
  --ink:#0B1F1B;
  --ink-2:#3E5A54;
  --ink-3:#6E8A83;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --surface:#EEF5F1;
  --line:#E1EBE6;
  --dark:#07231F;
  --shadow-1:0 6px 18px rgba(9,42,36,.06);
  --shadow-2:0 18px 44px rgba(9,42,36,.12);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(14,159,142,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:84px 0;}
.section--tight{padding:64px 0;}
.section--surface{background:var(--surface);}
.section--dark{background:var(--dark);color:#EAF6F1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-dark);background:rgba(14,159,142,.1);
  padding:6px 14px;border-radius:var(--r-pill);
}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:700;margin-top:16px;
  letter-spacing:-.01em;
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:#B7D8CF;}
.section--dark .eyebrow{background:rgba(198,242,107,.14);color:var(--lemon);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),opacity .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(14,159,142,.28);}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(14,159,142,.34);filter:brightness(1.05);}
.btn--outline{background:#fff;color:var(--brand-deep);border:1.5px solid rgba(14,159,142,.45);}
.btn--outline:hover{color:var(--brand-deep);border-color:var(--brand);background:#F2FBF8;transform:translateY(-2px);}
.btn--ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.5);}
.btn--ghost:hover{color:#fff;background:rgba(255,255,255,.24);transform:translateY(-2px);}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,69,.28);}
.btn--accent:hover{color:#fff;background:var(--accent-dark);transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;filter:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.7;
  background:rgba(14,159,142,.1);color:var(--brand-deep);
}
.badge--lemon{background:rgba(198,242,107,.35);color:#3D5A12;}
.badge--accent{background:rgba(255,122,69,.14);color:var(--accent-dark);}
.badge--muted{background:rgba(110,138,131,.14);color:var(--ink-2);}
.badge--dark{background:rgba(255,255,255,.14);color:#EAF6F1;}
.seal{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:var(--r-s);
  border:1.5px solid rgba(255,122,69,.7);color:var(--accent-dark);
  font-size:13px;font-weight:700;line-height:1.25;text-align:center;
  transform:rotate(-6deg);background:rgba(255,122,69,.06);
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(9,42,36,.08);}
.nav{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:19px;letter-spacing:-.02em;color:var(--ink);}
.brand:hover{color:var(--brand-deep);}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:900;
  box-shadow:0 6px 14px rgba(14,159,142,.3);
}
.brand__name em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav__link:hover{color:var(--brand-deep);background:rgba(14,159,142,.07);}
.nav__link.is-active{color:var(--brand-deep);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav__cta{margin-left:8px;}
.nav__burger{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav__burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav__burger span::before,.nav__burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav__burger span::before{top:-6px;}
.nav__burger span::after{top:6px;}
.drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:12px 24px 22px;
}
.drawer.is-open{display:block;}
.drawer a{display:block;padding:14px 4px;font-size:16px;font-weight:500;border-bottom:1px solid var(--line);}
.drawer a.is-active{color:var(--brand-deep);font-weight:700;}
.drawer .btn{width:100%;margin-top:18px;}

/* ============ Hero ============ */
.hero{padding:32px 0 24px;}
.hero__shell{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:linear-gradient(115deg,rgba(7,91,82,.94) 0%,rgba(14,159,142,.86) 45%,rgba(47,196,158,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:56px;box-shadow:var(--shadow-2);
}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero__title{
  font-size:clamp(30px,4.6vw,52px);line-height:1.2;font-weight:900;letter-spacing:-.02em;
  color:#fff;margin-top:18px;
}
.hero__title span{color:var(--lemon);}
.hero__sub{margin-top:20px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.92);max-width:620px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px;
  font-size:13.5px;color:rgba(255,255,255,.86);
}
.hero__meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lemon);margin-right:8px;vertical-align:middle;}
.hero__card{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-l);padding:20px;backdrop-filter:blur(6px);
}
.hero__card img{border-radius:var(--r-m);aspect-ratio:4/3;width:100%;height:100%;object-fit:cover;}
.hero__card-note{display:flex;justify-content:space-between;gap:12px;margin-top:14px;font-size:13px;color:rgba(255,255,255,.9);}

/* ============ 数据徽章条 ============ */
.stats{margin-top:24px;}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat__num{font-size:34px;font-weight:900;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--brand-deep);}
.stat__num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--ink-2);}
.stat__label{margin-top:6px;font-size:14px;color:var(--ink-2);}
.stat__bar{height:4px;border-radius:4px;background:var(--brand-grad);margin-top:16px;opacity:.85;}

/* ============ 主题入口矩阵 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.topic{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,159,142,.4);}
.topic__icon{
  width:46px;height:46px;border-radius:14px;background:var(--surface);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  color:var(--brand-deep);font-weight:900;font-size:16px;
}
.topic h3{font-size:19px;font-weight:700;}
.topic p{margin-top:10px;font-size:14.5px;color:var(--ink-2);}
.topic__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ============ 议程时间线 ============ */
.timeline{position:relative;padding-left:44px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#0E9F8E 0%,#2FC49E 50%,#A8E063 100%);
}
.day-head{
  position:sticky;top:calc(var(--nav-h) + 12px);z-index:5;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:linear-gradient(90deg,rgba(245,248,246,.96),rgba(245,248,246,.75));
  padding:12px 16px;border-radius:var(--r-m);border:1px solid var(--line);
  margin:36px 0 22px;
}
.day-head:first-child{margin-top:0;}
.day-head strong{font-size:18px;font-weight:800;}
.day-head span{font-size:13.5px;color:var(--ink-2);}
.agenda-item{position:relative;margin-bottom:18px;}
.agenda-item::before{
  content:"";position:absolute;left:-38px;top:26px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(14,159,142,.14);
}
.agenda-item.is-done::before{border-color:#A8BDB7;box-shadow:0 0 0 4px rgba(110,138,131,.12);}
.agenda-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px 26px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:96px 1fr auto;gap:22px;align-items:center;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.agenda-card:hover{transform:translateX(4px);box-shadow:var(--shadow-2);}
.agenda-item.is-done .agenda-card{background:#FAFCFB;border-color:#EDF2F0;}
.agenda-time{font-size:17px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.4;}
.agenda-time small{display:block;font-size:12.5px;font-weight:500;color:var(--ink-3);}
.agenda-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.agenda-body p{margin-top:8px;font-size:14px;color:var(--ink-2);}
.agenda-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.agenda-action{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}

/* ============ 嘉宾 ============ */
.speaker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.speaker{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.speaker:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);}
.speaker img{aspect-ratio:1/1;width:100%;object-fit:cover;}
.speaker__body{padding:22px 24px 26px;}
.speaker__body h3{font-size:19px;font-weight:700;}
.speaker__role{margin-top:6px;font-size:14px;color:var(--ink-2);}
.speaker__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.speaker-grid .speaker:nth-child(2){margin-top:26px;}
.speaker-grid .speaker:nth-child(5){margin-top:26px;}

/* ============ 票种 ============ */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.ticket{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px 30px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.ticket:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.ticket--featured{
  border:2px solid rgba(14,159,142,.55);transform:scale(1.03);
  box-shadow:0 24px 54px rgba(9,42,36,.14);
}
.ticket--featured:hover{transform:scale(1.03) translateY(-4px);}
.ticket__flag{position:absolute;top:-14px;left:30px;}
.ticket__name{font-size:20px;font-weight:800;}
.ticket__price{margin-top:16px;font-size:38px;font-weight:900;letter-spacing:-.03em;color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.ticket__price small{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:6px;}
.ticket__desc{margin-top:10px;font-size:14px;color:var(--ink-2);}
.ticket__list{margin-top:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.ticket__list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.ticket__list li b{color:var(--brand);font-weight:900;}
.ticket__list li.is-off{color:var(--ink-3);}
.ticket__list li.is-off b{color:#B4C6C1;}
.ticket .btn{margin-top:26px;width:100%;}

/* ============ 报名 CTA ============ */
.signup{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:linear-gradient(120deg,rgba(7,35,31,.95) 0%,rgba(10,126,113,.9) 55%,rgba(47,196,158,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:52px;color:#fff;box-shadow:var(--shadow-2);
}
.signup__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.signup h2{font-size:clamp(24px,3vw,34px);line-height:1.35;}
.signup p.lead{margin-top:14px;color:rgba(255,255,255,.88);font-size:16px;}
.form{background:rgba(255,255,255,.98);border-radius:var(--r-l);padding:30px;box-shadow:var(--shadow-2);color:var(--ink);}
.form h3{font-size:19px;font-weight:800;}
.form p.hint{margin-top:6px;font-size:13.5px;color:var(--ink-3);}
.field{margin-top:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-m);border:1px solid var(--line);
  background:#F8FBF9;padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input:focus,.field select:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,159,142,.16);
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form .btn{width:100%;margin-top:24px;}
.form__foot{margin-top:14px;font-size:12.5px;color:var(--ink-3);line-height:1.7;}
.notice{list-style:none;}
.notice li{display:flex;gap:12px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.24);font-size:14.5px;color:rgba(255,255,255,.9);}
.notice li:last-child{border-bottom:0;}
.notice i{
  flex:0 0 26px;height:26px;border-radius:8px;background:rgba(198,242,107,.18);
  color:var(--lemon);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;font-style:normal;
}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-grid .news-card:first-child{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.news-card__cover{position:relative;overflow:hidden;display:block;}
.news-card__cover img{aspect-ratio:16/9;width:100%;object-fit:cover;transition:transform .32s var(--ease);}
.news-card:hover .news-card__cover img{transform:scale(1.03);}
.news-card__cover .badge{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--brand-deep);box-shadow:var(--shadow-1);}
.news-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-card__body h3{font-size:17px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__body p{margin-top:10px;font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.news-card__foot span{font-variant-numeric:tabular-nums;}
.news-card__foot em{font-style:normal;color:var(--brand-dark);font-weight:700;}
.news-grid .news-card:first-child .news-card__body{padding:32px;}
.news-grid .news-card:first-child .news-card__body h3{font-size:22px;-webkit-line-clamp:3;}
.news-grid .news-card:first-child .news-card__cover img{height:100%;aspect-ratio:auto;min-height:280px;}
.empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-l);
}
.empty svg{opacity:.75;}
.empty p{font-size:15px;color:var(--ink-2);}
.more-row{display:flex;justify-content:flex-end;margin-top:28px;}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item.is-open{border-color:rgba(14,159,142,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;min-height:44px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-q i{
  flex:0 0 26px;height:26px;border-radius:50%;background:var(--surface);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:16px;font-weight:700;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:rgba(14,159,142,.16);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease,opacity .2s ease;opacity:0;}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a__inner{padding:0 24px 22px;border-left:3px solid transparent;font-size:15px;color:var(--ink-2);line-height:1.9;}
.faq-item.is-open .faq-a__inner{border-left:3px solid var(--brand);padding-left:18px;margin-left:24px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C4DED7;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:19px;color:#fff;}
.footer-brand .brand__mark{box-shadow:none;}
.site-footer p{font-size:14px;line-height:1.9;color:#9FC2B9;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:#B7D8CF;}
.footer-col a:hover{color:var(--lemon);}
.footer-qr{
  width:104px;height:104px;border-radius:var(--r-m);
  background:linear-gradient(135deg,rgba(198,242,107,.9),rgba(47,196,158,.9));
  display:flex;align-items:center;justify-content:center;color:#062A24;font-size:13px;font-weight:700;text-align:center;line-height:1.4;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8FB2A9;
}
.footer-bottom a{color:#8FB2A9;}
.footer-bottom a:hover{color:var(--lemon);}

/* ============ 移动底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:6px 8px calc(6px + env(safe-area-inset-bottom));
}
.tabbar ul{display:grid;grid-template-columns:repeat(3,1fr);}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:56px;font-size:12px;color:var(--ink-3);border-radius:14px;
}
.tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.is-active{color:var(--brand-dark);font-weight:700;}
.tabbar a.is-active svg{stroke:url(#tabgrad);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav__links,.nav__cta{display:none;}
  .nav__burger{display:flex;}
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .hero__shell{padding:40px 32px;}
  .stats__grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid,.speaker-grid,.ticket-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid .news-card:first-child{grid-column:span 2;grid-template-columns:1fr;display:flex;}
  .news-grid .news-card:first-child .news-card__cover img{min-height:0;aspect-ratio:16/9;height:auto;}
  .signup__grid{grid-template-columns:1fr;}
  .signup{padding:38px 28px;}
  .agenda-card{grid-template-columns:84px 1fr;gap:16px;}
  .agenda-action{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .ticket--featured{transform:none;}
  .ticket--featured:hover{transform:translateY(-4px);}
  .speaker-grid .speaker:nth-child(2),
  .speaker-grid .speaker:nth-child(5){margin-top:0;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .hero{padding:18px 0 10px;}
  .hero__shell{padding:30px 22px;border-radius:var(--r-l);}
  .hero__actions .btn{flex:1 1 100%;}
  .stats__grid{gap:14px;}
  .stat{padding:20px 18px;border-radius:var(--r-m);}
  .stat__num{font-size:28px;}
  .topic-grid,.speaker-grid,.ticket-grid,.news-grid,.form__row{grid-template-columns:1fr;}
  .news-grid .news-card:first-child{grid-column:span 1;}
  .timeline{padding-left:30px;}
  .timeline::before{left:7px;}
  .agenda-item::before{left:-28px;}
  .agenda-card{grid-template-columns:1fr;padding:20px;}
  .agenda-action{grid-column:1;}
  .agenda-action .btn{width:100%;}
  .day-head{top:calc(var(--nav-h) + 8px);}
  .form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .tabbar{display:block;}
  body{padding-bottom:72px;}
  .more-row{justify-content:stretch;}
  .more-row .btn{width:100%;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
}
@media (max-width:479px){
  .hero__title{font-size:28px;}
  .seal{display:none;}
}

/* roulang page: article */
:root{
  --brand:#0E9F8E;
  --brand-d1:#0A7E71;
  --brand-d2:#075B52;
  --grad:linear-gradient(120deg,#0E9F8E 0%,#2FC49E 48%,#A8E063 100%);
  --grad-soft:linear-gradient(120deg,rgba(14,159,142,.12) 0%,rgba(168,224,99,.16) 100%);
  --accent:#FF7A45;
  --accent-d:#E85F2A;
  --lemon:#C6F26B;
  --ink:#0B1F1B;
  --ink-2:#3E5A54;
  --ink-3:#6E8A83;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --surface:#EEF5F1;
  --line:#E1EBE6;
  --dark:#07231F;
  --r1:10px; --r2:16px; --r3:24px; --r4:32px; --pill:999px;
  --sh1:0 6px 18px rgba(9,42,36,.06);
  --sh2:0 18px 44px rgba(9,42,36,.12);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-d1)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,159,142,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--dark);color:#fff;padding:10px 18px;border-radius:0 0 var(--r2) 0;z-index:200}
.skip:focus{left:0}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(14,159,142,.28);
}
.brand__name{font-size:19px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.brand__name em{font-style:normal;color:var(--brand-d1)}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  position:relative;padding:10px 14px;border-radius:var(--r1);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:var(--pill);
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav__link:hover{color:var(--brand-d1);background:var(--surface)}
.nav__link.is-active{color:var(--ink)}
.nav__link.is-active::after{transform:scaleX(1)}
.nav__cta{flex:0 0 auto}
.nav__burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;position:relative;
}
.nav__burger span,.nav__burger span::before,.nav__burger span::after{
  position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav__burger span::before{content:"";transform:translate(-50%,-7px)}
.nav__burger span::after{content:"";transform:translate(-50%,7px)}
.nav__burger[aria-expanded="true"] span{background:transparent}
.nav__burger[aria-expanded="true"] span::before{transform:translate(-50%,-50%) rotate(45deg)}
.nav__burger[aria-expanded="true"] span::after{transform:translate(-50%,-50%) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  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--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(14,159,142,.26)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(14,159,142,.34);color:#fff}
.btn--primary:active{transform:translateY(0)}
.btn--outline{background:#fff;color:var(--brand-d1);border-color:rgba(14,159,142,.35)}
.btn--outline:hover{background:var(--surface);border-color:var(--brand);color:var(--brand-d2);transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.42)}
.btn--ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none}

/* ============ BADGES / CHIPS ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--surface);color:var(--brand-d2);border:1px solid var(--line);
}
.badge--accent{background:rgba(255,122,69,.12);color:var(--accent-d);border-color:rgba(255,122,69,.24)}
.badge--lemon{background:rgba(198,242,107,.3);color:#4A6B12;border-color:rgba(198,242,107,.6)}
.badge--seal{
  border-radius:var(--r1);background:rgba(255,122,69,.1);color:var(--accent-d);
  border:1px solid rgba(255,122,69,.28);font-family:var(--mono);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--pill);font-size:14px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);cursor:pointer;
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand-d2);transform:translateY(-1px)}
.chip.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(14,159,142,.24)}
.chip[aria-disabled="true"]{opacity:.45;cursor:not-allowed}

/* ============ ARTICLE LAYOUT ============ */
.page{padding:28px 0 72px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumbs a{color:var(--ink-2);font-weight:600}
.crumbs a:hover{color:var(--brand-d1);text-decoration:underline;text-underline-offset:4px}
.crumbs span.sep{color:#B7C9C3}
.crumbs .current{color:var(--ink-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-d1);letter-spacing:.06em;
  margin-bottom:14px;
}
.section-tag::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}

.article-head{max-width:860px;margin:0 auto;text-align:left}
.article-head h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.28;letter-spacing:-.02em;margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  font-size:14px;color:var(--ink-3);margin-bottom:22px;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3D5CF}
.article-meta strong{color:var(--ink-2);font-weight:600}

.cover{
  max-width:960px;margin:0 auto 34px;
  border-radius:var(--r3);overflow:hidden;position:relative;
  aspect-ratio:16/9;background:var(--grad);box-shadow:var(--sh1);
}
.cover img{width:100%;height:100%;object-fit:cover}
.cover__cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 22px;font-size:13px;color:#fff;
  background:linear-gradient(to top,rgba(7,35,31,.72),rgba(7,35,31,0));
}

/* ============ ARTICLE BODY ============ */
.article-body{
  max-width:800px;margin:0 auto;
  font-size:17.5px;line-height:1.92;color:#16281F;
  background:#fff;border:1px solid var(--line);border-radius:var(--r3);
  padding:40px 44px;box-shadow:var(--sh1);
}
.article-body>p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,27px);
  margin:2em 0 .7em;padding-left:18px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;width:6px;height:1.05em;border-radius:var(--pill);
  background:var(--grad);
}
.article-body h3{font-size:19px;margin:1.6em 0 .55em;color:var(--brand-d2)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body li{position:relative;padding-left:26px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.12em;
  width:20px;height:20px;border-radius:50%;background:var(--surface);color:var(--brand-d2);
  font-family:var(--mono);font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;border-radius:var(--r2);
  background:var(--grad-soft);border-left:4px solid var(--brand);
  color:var(--brand-d2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:1.8em 0}
.article-body figure img{width:100%;border-radius:var(--r2);object-fit:cover}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body .tip{
  margin:1.6em 0;padding:18px 22px;border-radius:var(--r2);
  background:#FFF7F2;border:1px solid rgba(255,122,69,.24);color:#7A3A1C;font-size:16px;
}
.article-body .tip strong{color:var(--accent-d)}
.article-body a{color:var(--brand-d1);font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-d2);text-decoration-thickness:2px}
.article-body img{border-radius:var(--r2);height:auto}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--surface);color:var(--brand-d2)}

/* ============ TAGS / POST NAV ============ */
.article-foot{max-width:800px;margin:26px auto 0}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:20px 0;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--ink-3);font-weight:600}
.tag{
  padding:6px 14px;border-radius:var(--pill);font-size:13px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand-d2);background:var(--surface)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.post-nav a{
  display:block;padding:18px 22px;border-radius:var(--r2);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh1);transition:all .22s var(--ease);
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(14,159,142,.3)}
.post-nav .k{font-size:12px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;display:block;margin-bottom:6px}
.post-nav .t{font-size:15px;font-weight:700;color:var(--ink)}
.post-nav a:last-child{text-align:right}

/* ============ CTA BANNER ============ */
.cta{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:var(--r4);
  padding:44px 44px;margin:52px 0;
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:var(--grad);opacity:.16;
}
.cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,107,.28),rgba(198,242,107,0) 68%);
}
.cta>*{position:relative;z-index:2}
.cta h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:12px}
.cta p{color:rgba(255,255,255,.78);font-size:15.5px;margin-bottom:20px}
.cta .actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-notes{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r3);padding:24px 26px}
.cta-notes h3{color:#fff;font-size:16px;margin-bottom:14px}
.cta-notes li{
  position:relative;padding-left:22px;color:rgba(255,255,255,.82);font-size:14.5px;margin-bottom:10px;
}
.cta-notes li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:2px;border-radius:2px;background:var(--lemon);
}
.cta-notes li:last-child{margin-bottom:0}

/* ============ RELATED ============ */
.related{margin-top:20px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:24px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(21px,2.6vw,29px)}
.section-head p{color:var(--ink-3);font-size:14.5px;margin:8px 0 0}
.more-link{font-size:14.5px;font-weight:700;color:var(--brand-d1);display:inline-flex;align-items:center;gap:6px}
.more-link:hover{color:var(--brand-d2);gap:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r3);
  overflow:hidden;box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(14,159,142,.28)}
.card__media{position:relative;aspect-ratio:16/9;background:var(--grad);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card__media img{transform:scale(1.03)}
.card__media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card__body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.card__foot .arrow{font-weight:700;color:var(--brand-d1);transition:transform .22s var(--ease)}
.card:hover .card__foot .arrow{transform:translateX(4px)}

/* ============ EMPTY STATE ============ */
.empty{
  max-width:800px;margin:0 auto;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r3);
  padding:56px 32px;box-shadow:var(--sh1);
}
.empty__icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  border:2px solid rgba(14,159,142,.3);display:grid;place-items:center;color:var(--brand-d1);
}
.empty h2{font-size:22px;margin-bottom:10px}
.empty p{color:var(--ink-2);margin-bottom:22px}

/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:60px 0 26px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700}
.footer-brand span:last-child{color:#fff}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--lemon)}
.site-footer p{font-size:14.5px;line-height:1.8}
.footer-qr{
  width:104px;height:104px;border-radius:14px;border:1px dashed rgba(255,255,255,.34);
  display:grid;place-items:center;text-align:center;font-size:12.5px;line-height:1.5;
  color:rgba(255,255,255,.68);background:rgba(255,255,255,.05);
}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ MOBILE TAB ============ */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:6px 8px calc(6px + env(safe-area-inset-bottom));
}
.mobile-tab ul{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:56px;border-radius:14px;font-size:11.5px;font-weight:600;color:var(--ink-3);
}
.mobile-tab a.is-active{color:var(--brand-d2);font-weight:700;background:var(--surface)}
.mobile-tab svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ============ RESPONSIVE ============ */
@media (min-width:1024px){
  .nav__burger{display:none}
}
@media (max-width:1023px){
  .nav__links{display:none}
  .nav__burger{display:block;margin-left:auto}
  .nav__cta{display:none}
  .nav.is-open .nav__links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:16px;right:16px;top:76px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r3);
    padding:14px;box-shadow:var(--sh2);
  }
  .nav.is-open .nav__cta{
    display:inline-flex;position:absolute;left:16px;right:16px;top:246px;
  }
  .nav__link{padding:14px 16px;border-radius:var(--r2);font-size:15.5px}
  .nav__link::after{display:none}
  .nav__link.is-active{background:var(--grad-soft);color:var(--brand-d2)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta{grid-template-columns:1fr;padding:34px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .article-body{padding:32px 28px}
}
@media (max-width:767px){
  body{padding-bottom:64px}
  .mobile-tab{display:block}
  .container{padding:0 18px}
  .nav{height:64px;gap:12px}
  .page{padding:20px 0 48px}
  .article-body{font-size:16.5px;padding:26px 20px;border-radius:var(--r2)}
  .article-body h2{font-size:21px}
  .cover{border-radius:var(--r2);margin-bottom:26px}
  .post-nav{grid-template-columns:1fr}
  .post-nav a:last-child{text-align:left}
  .cta{border-radius:var(--r3);padding:28px 22px;margin:40px 0}
  .cta .actions .btn{width:100%}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .crumbs .current{max-width:100%;white-space:normal}
}
@media (max-width:479px){
  .article-head h1{font-size:26px}
  .article-meta{font-size:13px}
  .btn{padding:0 18px}
  .cta-notes{padding:20px}
}

/* roulang page: category1 */
:root{
  --brand:#0E9F8E;
  --brand-deep:#0A7E71;
  --brand-darker:#075B52;
  --brand-grad:linear-gradient(120deg,#0E9F8E 0%,#2FC49E 48%,#A8E063 100%);
  --accent:#FF7A45;
  --accent-deep:#E85F2A;
  --lemon:#C6F26B;
  --text:#0B1F1B;
  --text-2:#3E5A54;
  --text-3:#6E8A83;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --surface:#EEF5F1;
  --line:#E1EBE6;
  --dark:#07231F;
  --shadow-1:0 6px 18px rgba(9,42,36,.06);
  --shadow-2:0 18px 44px rgba(9,42,36,.12);
  --r-10:10px;--r-16:16px;--r-24:24px;--r-32:32px;--r-pill:999px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),text-decoration-color .2s var(--ease)}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(14,159,142,.42);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:0;
  box-shadow:0 6px 16px rgba(14,159,142,.32);
}
.brand__name{font-size:19px;color:var(--text)}
.brand__name em{font-style:normal;color:var(--brand-deep)}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav__link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text-2);
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;
  background:var(--brand-grad);opacity:0;transform:scaleX(.4);transition:.22s var(--ease);
}
.nav__link:hover{color:var(--brand-deep);text-decoration:none;background:var(--surface)}
.nav__link.is-active{color:var(--brand-darker);background:var(--surface)}
.nav__link.is-active::after{opacity:1;transform:scaleX(1)}
.nav__cta{margin-left:auto}
.nav__burger{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);place-items:center;
}
.nav__burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s var(--ease)
}
.nav__burger span::before{top:-6px}
.nav__burger span::after{top:6px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(14,159,142,.28)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(14,159,142,.36);filter:saturate(1.08) brightness(1.04)}
.btn--outline{background:var(--card);color:var(--brand-darker);border:1.5px solid var(--brand)}
.btn--outline:hover{background:var(--surface);transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn--ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}
.btn--sm{min-height:36px;padding:0 16px;font-size:13.5px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ badges / pills ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-10);
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:var(--surface);color:var(--brand-darker);
}
.badge--lemon{background:rgba(198,242,107,.42);color:#4B6B12}
.badge--accent{background:rgba(255,122,69,.14);color:var(--accent-deep)}
.badge--muted{background:#EFF2F0;color:var(--text-3)}
.badge--live{background:rgba(14,159,142,.14);color:var(--brand-darker)}
.badge--live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(14,159,142,.16)}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:rgba(255,255,255,.18);color:#fff;
  border:1px solid rgba(255,255,255,.32);
}
.pill--lemon{background:rgba(198,242,107,.9);color:#2C4008;border-color:transparent}

/* ============ page hero ============ */
.page-hero{padding:34px 0 8px}
.page-hero__box{
  position:relative;overflow:hidden;border-radius:var(--r-32);
  padding:60px 56px 56px;
  background:
    linear-gradient(115deg,rgba(7,91,82,.95) 0%,rgba(10,126,113,.9) 42%,rgba(47,196,158,.8) 74%,rgba(168,224,99,.7) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  box-shadow:var(--shadow-2);
}
.page-hero__box::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,107,.34),transparent 68%);
}
.page-hero__crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:20px}
.page-hero__crumb a:hover{color:#fff}
.page-hero__crumb em{font-style:normal;color:var(--lemon)}
.page-hero h1{font-size:clamp(30px,4.6vw,52px);margin:16px 0 18px;text-shadow:0 4px 20px rgba(4,40,34,.28)}
.page-hero__lead{max-width:660px;font-size:clamp(15px,1.4vw,17px);color:rgba(255,255,255,.94);line-height:1.9}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:30px;position:relative;z-index:2}
.page-hero__meta div{font-size:14px;color:rgba(255,255,255,.9)}
.page-hero__meta strong{display:block;font-size:19px;color:#fff;letter-spacing:.02em}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;position:relative;z-index:2}

/* ============ sections ============ */
.section{padding:72px 0}
.section--tight{padding:48px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-deep);text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad)}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}

/* ============ filter chips ============ */
.filter-bar{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-24);
  padding:22px 26px;box-shadow:var(--shadow-1);
  display:grid;gap:16px;margin-top:-28px;position:relative;z-index:5;
}
.filter-group{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.filter-group__label{font-size:13px;font-weight:700;color:var(--text-3);min-width:52px;letter-spacing:.08em}
.chip{
  min-height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  font-size:14px;font-weight:600;transition:.2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand-darker);transform:translateY(-1px)}
.chip.is-active{background:var(--brand-grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(14,159,142,.26)}
.chip[disabled]{opacity:.45;cursor:not-allowed;transform:none;border-color:var(--line);color:var(--text-3)}

/* ============ day group / timeline ============ */
.day-group{margin-bottom:56px}
.day-group:last-child{margin-bottom:0}
.day-head{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:14px;
  padding:14px 20px;margin-bottom:28px;
  border-radius:var(--r-16);
  background:var(--surface);border-left:4px solid transparent;
  border-image:var(--brand-grad) 1;
}
.day-head__date{font-size:22px;font-weight:700;color:var(--brand-darker);letter-spacing:.01em}
.day-head__sub{font-size:14px;color:var(--text-3)}
.timeline{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 36px}
.tl-item{position:relative;padding-left:36px}
.tl-item::before{
  content:"";position:absolute;left:4px;top:24px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 5px rgba(14,159,142,.12);
}
.tl-item::after{
  content:"";position:absolute;left:10px;top:44px;bottom:-14px;width:2px;
  background:linear-gradient(180deg,rgba(14,159,142,.55),rgba(168,224,99,.35));border-radius:2px;
}
.tl-item:last-child::after{display:none}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-24);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  height:100%;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,159,142,.32)}
.tl-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.tl-card__time{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:15px;font-weight:700;color:var(--brand-deep);letter-spacing:.02em}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card__desc{font-size:14.5px;color:var(--text-2);line-height:1.8}
.tl-card__foot{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.tl-card__host{font-size:13.5px;color:var(--text-3);margin-right:auto}
.tl-item.is-done .tl-card{opacity:.72;background:#FBFAF9}
.tl-item.is-done::before{border-color:var(--text-3);box-shadow:none}
.tl-item.is-done .tl-card__time{color:var(--text-3)}
.tl-item.is-now .tl-card{border-color:var(--brand);box-shadow:0 12px 30px rgba(14,159,142,.16)}
.tl-item.is-now::before{background:var(--brand);border-color:#fff;box-shadow:0 0 0 6px rgba(14,159,142,.18)}

/* ============ venue grid ============ */
.venue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.venue-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-24);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.venue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.venue-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-grad)}
.venue-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.venue-card:hover .venue-card__media img{transform:scale(1.03)}
.venue-card__media .badge{position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94)}
.venue-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.venue-card__body h3{font-size:19px}
.venue-card__body p{font-size:14.5px;color:var(--text-2)}
.venue-card__list{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:14px;color:var(--text-2);display:grid;gap:8px}
.venue-card__list li{display:flex;gap:10px;align-items:flex-start}
.venue-card__list li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--brand-grad)}

/* ============ guide list ============ */
.guide-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.guide-list{display:grid;gap:16px}
.guide-list li{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  padding:18px 22px;box-shadow:var(--shadow-1);transition:.22s var(--ease);
}
.guide-list li:hover{transform:translateX(4px);border-color:rgba(14,159,142,.3)}
.guide-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:var(--r-10);
  background:var(--brand-grad);color:#fff;display:grid;place-items:center;
  font-size:14px;font-weight:700;font-family:ui-monospace,Menlo,monospace;
}
.guide-list strong{display:block;font-size:16px;margin-bottom:2px}
.guide-list span{font-size:14px;color:var(--text-2)}
.guide-media{border-radius:var(--r-24);overflow:hidden;box-shadow:var(--shadow-2);background:var(--brand-grad)}
.guide-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  box-shadow:var(--shadow-1);overflow:hidden;transition:.22s var(--ease);
}
.faq details[open]{border-color:rgba(14,159,142,.34);box-shadow:var(--shadow-2)}
.faq summary{
  position:relative;list-style:none;cursor:pointer;
  min-height:44px;display:flex;align-items:center;
  padding:16px 56px 16px 22px;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-darker)}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s var(--ease);
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:4px;
  background:var(--brand-grad);opacity:0;transition:opacity .2s var(--ease);
}
.faq details[open] summary::before{opacity:1}
.faq__answer{padding:0 24px 20px 22px;font-size:15px;color:var(--text-2);line-height:1.9}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-32);
  background:
    linear-gradient(120deg,rgba(7,35,31,.96) 0%,rgba(10,126,113,.92) 48%,rgba(47,196,158,.85) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;padding:56px;box-shadow:var(--shadow-2);
}
.cta-band::after{
  content:"";position:absolute;left:-120px;top:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,107,.26),transparent 68%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin:14px 0 14px;color:#fff}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px}
.notice-list{display:grid;gap:12px;margin-top:24px}
.notice-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.92)}
.notice-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:6px;
  background:rgba(198,242,107,.92);
  clip-path:polygon(14% 46%,0 62%,38% 96%,100% 22%,84% 8%,36% 66%);
}
.signup-form{
  background:rgba(255,255,255,.97);border-radius:var(--r-24);padding:30px 30px 34px;
  box-shadow:0 24px 60px rgba(3,26,22,.34);color:var(--text);
}
.signup-form h3{font-size:20px;margin-bottom:6px}
.signup-form__hint{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-16);
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  transition:.2s var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(14,159,142,.16);
}
.signup-form .btn{width:100%;margin-top:8px}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;text-align:center}

/* ============ footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px}
.footer-brand:hover{color:var(--lemon);text-decoration:none}
.site-footer p{font-size:14px;line-height:1.9}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-col a:hover{color:var(--lemon);text-decoration:none}
.footer-qr{
  width:112px;height:112px;border-radius:var(--r-16);
  border:1px dashed rgba(255,255,255,.34);
  display:grid;place-items:center;text-align:center;
  font-size:12.5px;color:rgba(255,255,255,.68);line-height:1.7;
  background:rgba(255,255,255,.05);
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ mobile tab ============ */
.mobile-tab{display:none}

/* ============ responsive ============ */
@media (max-width:1180px){
  .timeline{gap:20px 28px}
  .cta-grid,.guide-wrap{grid-template-columns:1fr;gap:34px}
}
@media (max-width:1023px){
  .nav{gap:18px}
  .nav__links{display:none}
  .nav__burger{display:grid}
  .nav__cta{display:none}
  .nav.is-open .nav__links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:24px;right:24px;top:78px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-24);
    padding:14px;box-shadow:var(--shadow-2);
  }
  .nav.is-open .nav__link{padding:13px 16px;border-radius:var(--r-16)}
  .nav.is-open .nav__link::after{display:none}
  .venue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:44px 32px}
  .page-hero__box{padding:48px 36px}
}
@media (max-width:767px){
  body{padding-bottom:80px}
  .container{padding:0 18px}
  .nav{height:64px}
  .nav.is-open .nav__links{left:18px;right:18px;top:70px}
  .page-hero{padding:20px 0 0}
  .page-hero__box{padding:38px 24px 36px;border-radius:var(--r-24)}
  .page-hero__crumb{font-size:12.5px}
  .page-hero__meta{gap:10px 20px}
  .page-hero__meta strong{font-size:17px}
  .section{padding:52px 0}
  .filter-bar{padding:18px;margin-top:-18px;border-radius:var(--r-16)}
  .filter-group__label{min-width:100%;margin-bottom:2px}
  .timeline{grid-template-columns:1fr}
  .venue-grid{grid-template-columns:1fr}
  .day-head{padding:12px 16px}
  .day-head__date{font-size:19px}
  .cta-band{padding:34px 22px;border-radius:var(--r-24)}
  .signup-form{padding:24px 20px 28px}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .mobile-tab{
    display:grid;grid-template-columns:repeat(4,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  }
  .tab-item{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    min-height:52px;border-radius:12px;font-size:11.5px;font-weight:600;color:var(--text-3);
  }
  .tab-item:hover{text-decoration:none;color:var(--brand-deep)}
  .tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .tab-item.is-active{color:var(--brand-darker);background:var(--surface)}
  .tab-item.is-active svg{stroke:url(#tabGrad)}
  .tab-item.is-active span{font-weight:700}
}
@media (max-width:479px){
  .section-head h2{font-size:23px}
  .tl-card{padding:18px 18px}
  .tl-card h3{font-size:17px}
  .chip{min-height:36px;padding:0 14px;font-size:13px}
}

/* roulang page: category2 */
:root{
  --brand:#0E9F8E;
  --brand-deep:#0A7E71;
  --brand-dark:#075B52;
  --grad:linear-gradient(120deg,#0E9F8E 0%,#2FC49E 48%,#A8E063 100%);
  --accent:#FF7A45;
  --accent-deep:#E85F2A;
  --lemon:#C6F26B;
  --ink:#0B1F1B;
  --ink-2:#3E5A54;
  --ink-3:#6E8A83;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --surface:#EEF5F1;
  --line:#E1EBE6;
  --dark:#07231F;
  --danger:#E8543F;
  --sh-1:0 6px 18px rgba(9,42,36,.06);
  --sh-2:0 18px 44px rgba(9,42,36,.12);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
  --tab-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(30px,4.6vw,52px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(14,159,142,.38);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(14,159,142,.26)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,159,142,.34);filter:brightness(1.04)}
.btn--outline{background:#fff;color:var(--brand-deep);border-color:rgba(14,159,142,.42)}
.btn--outline:hover{background:var(--surface);color:var(--brand-dark);transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.44)}
.btn--ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}
.btn--lemon{background:var(--lemon);color:#12331F;box-shadow:0 10px 24px rgba(198,242,107,.28)}
.btn--lemon:hover{color:#0B1F1B;transform:translateY(-2px);box-shadow:0 16px 32px rgba(198,242,107,.36)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(9,42,36,.08)}
.nav{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.5px;box-shadow:0 8px 18px rgba(14,159,142,.28);
}
.brand__name{font-size:20px;letter-spacing:.4px}
.brand__name em{font-style:normal;color:var(--brand-deep)}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav__link{
  position:relative;padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav__link:hover{background:var(--surface);color:var(--brand-dark)}
.nav__link.is-active{color:var(--brand-dark)}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad);
}
.nav__cta{margin-left:auto}
.nav__burger{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:14px;
  background:#fff;border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav__burger span{
  position:relative;width:20px;height:2px;border-radius:2px;background:var(--ink);display:block;transition:.22s var(--ease)
}
.nav__burger span::before,.nav__burger span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:.22s var(--ease)
}
.nav__burger span::before{top:-6px}
.nav__burger span::after{top:6px}
.nav__burger[aria-expanded="true"] span{background:transparent}
.nav__burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.nav__drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:10px 20px 18px;
}
.nav__drawer.is-open{display:block}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-m);
  font-weight:600;color:var(--ink-2);
}
.drawer__link:hover{background:var(--surface);color:var(--brand-dark)}
.drawer__link.is-active{color:var(--brand-dark);background:var(--surface)}

/* ============ 页头横幅 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--dark)}
.page-hero__img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;
}
.page-hero__overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 120% at 8% 12%,rgba(14,159,142,.86) 0%,rgba(10,126,113,.72) 42%,rgba(7,35,31,.92) 100%),
    linear-gradient(120deg,rgba(14,159,142,.55),rgba(168,224,99,.24));
}
.page-hero__inner{
  position:relative;z-index:2;
  padding:64px 20px 68px;
  color:#EAF6F1;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(234,246,241,.78);margin-bottom:22px}
.breadcrumb a{color:rgba(234,246,241,.86)}
.breadcrumb a:hover{color:var(--lemon);text-decoration:underline;text-underline-offset:3px}
.breadcrumb span[aria-hidden]{opacity:.6}
.page-hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(198,242,107,.18);border:1px solid rgba(198,242,107,.42);
  color:var(--lemon);font-size:13px;font-weight:600;letter-spacing:.6px;
}
.page-hero h1{color:#fff;margin:18px 0 14px;max-width:16em}
.page-hero__lead{font-size:17px;color:rgba(234,246,241,.9);max-width:44em;line-height:1.9}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#DDF2E9;font-variant-numeric:tabular-nums;
}
.meta-chip i{width:6px;height:6px;border-radius:50%;background:var(--lemon);display:inline-block}

/* ============ 区块 ============ */
.section{padding:84px 0}
.section--surface{background:var(--surface)}
.section--plain{background:#fff}
.section-head{max-width:740px;margin-bottom:44px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow--light{color:var(--lemon)}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.9}
.section-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--row .section-head__text{max-width:720px}

/* ============ 主题入口网格 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.topic-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-l);padding:28px 24px 26px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,159,142,.34)}
.topic-card__icon{
  width:48px;height:48px;border-radius:14px;background:var(--surface);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
}
.topic-card__icon svg{width:24px;height:24px}
.topic-card h3{font-size:19px}
.topic-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.topic-card__link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.topic-card__link::after{content:"→";transition:transform .22s var(--ease)}
.topic-card:hover .topic-card__link::after{transform:translateX(4px)}

/* ============ 信息说明 双栏 ============ */
.rules{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.rules__media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3}
.rules__media img{width:100%;height:100%;object-fit:cover}
.rules__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,159,142,.18),rgba(7,35,31,.28));
}
.bullet-list{display:grid;gap:16px;margin-top:26px}
.bullet-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.bullet-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.bullet-list .ic{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.bullet-list strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:4px}
.bullet-list span{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ============ 更新要点 1+2 ============ */
.feature-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:stretch}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--grad)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .thumb img{transform:scale(1.03)}
.thumb .badge{position:absolute;top:14px;left:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:var(--surface);color:var(--brand-dark);
}
.badge--lemon{background:rgba(198,242,107,.9);color:#12331F}
.badge--orange{background:rgba(255,122,69,.14);color:var(--accent-deep)}
.card__body{padding:24px 26px 26px}
.card__body h3{margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body p{font-size:14.5px;color:var(--ink-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.mini-stack{display:grid;gap:24px}
.mini-card{display:grid;grid-template-columns:132px 1fr;gap:0;align-items:stretch}
.mini-card .thumb{aspect-ratio:auto;height:100%;border-radius:0}
.mini-card .card__body{padding:20px 22px}
.mini-card .card__body h3{font-size:17px}
.mini-card .card__body p{-webkit-line-clamp:3}
.mini-card .card__meta{margin-top:12px;padding-top:12px}

/* ============ 信息速查 ============ */
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  border-top:3px solid transparent;
  border-image:linear-gradient(120deg,#0E9F8E,#A8E063) 1;
  border-image-slice:1 0 0 0;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.info-card__k{
  font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--brand-deep);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.info-card__k i{width:8px;height:8px;border-radius:3px;background:var(--grad);display:inline-block}
.info-card__v{font-size:20px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.5}
.info-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:rgba(14,159,142,.4);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-dark);background:var(--surface)}
.faq-item summary::after{
  content:"";flex:0 0 10px;width:10px;height:10px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item[open] summary{color:var(--brand-deep)}
.faq-body{
  position:relative;padding:2px 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.9;
}
.faq-item[open] .faq-body::before{
  content:"";position:absolute;left:24px;top:6px;bottom:26px;width:3px;border-radius:3px;background:var(--grad);
}
.faq-item[open] .faq-body{padding-left:40px}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#EAF6F1;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(90% 130% at 12% 8%,rgba(14,159,142,.5) 0%,rgba(7,35,31,0) 62%),
    radial-gradient(70% 120% at 92% 96%,rgba(168,224,99,.28) 0%,rgba(7,35,31,0) 60%);
}
.cta-band__inner{
  position:relative;z-index:2;
  padding:66px 20px;display:grid;grid-template-columns:1.4fr auto;
  gap:36px;align-items:center;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(234,246,241,.86);font-size:15.5px;max-width:46em;line-height:1.9}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band__note{margin-top:20px;font-size:13.5px;color:rgba(198,242,107,.85);font-variant-numeric:tabular-nums}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(234,246,241,.82);padding:64px 0 26px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700}
.footer-brand:hover{color:var(--lemon)}
.footer-brand .brand__mark{width:36px;height:36px;font-size:13px;box-shadow:none}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(234,246,241,.72)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(234,246,241,.78)}
.footer-col a:hover{color:var(--lemon);text-decoration:underline;text-underline-offset:3px}
.footer-qr{
  width:118px;height:118px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;line-height:1.7;color:rgba(234,246,241,.8);
}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(234,246,241,.6);
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 24px rgba(9,42,36,.07);
}
.tabbar__item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:var(--tab-h);font-size:11.5px;color:var(--ink-3);font-weight:500;
}
.tabbar__item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tabbar__item.is-active{color:var(--brand-deep);font-weight:700}
.tabbar__item.is-active svg{stroke:var(--brand-deep)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .feature-layout{grid-template-columns:1fr}
  .rules{grid-template-columns:1fr;gap:36px}
  .rules__media{order:-1;max-width:620px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band__inner{grid-template-columns:1fr;gap:26px}
  .section{padding:66px 0}
}
@media (max-width:767px){
  body{padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom))}
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
  .nav{gap:14px}
  .tabbar{display:flex}
  .page-hero__inner{padding:44px 20px 52px}
  .page-hero__lead{font-size:15.5px}
  .section{padding:54px 0}
  .section-head{margin-bottom:32px}
  .topic-grid,.info-grid{grid-template-columns:1fr}
  .mini-card{grid-template-columns:1fr}
  .mini-card .thumb{aspect-ratio:16/9;height:auto;border-radius:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{width:100%}
  .cta-band__actions{flex-direction:column}
  .faq-item[open] .faq-body{padding-left:24px}
  .faq-item[open] .faq-body::before{display:none}
}
@media (max-width:520px){
  .card__body{padding:20px}
  .topic-card{padding:24px 20px}
  .info-card{padding:22px 20px}
  .page-hero__meta{gap:8px}
  .meta-chip{font-size:12.5px;padding:7px 13px}
}