/* roulang page: index */
:root{
  --c-primary:#FF6B00;
  --c-primary-2:#FF9A2E;
  --c-primary-grad:linear-gradient(96deg,#FF6B00 0%,#FF9A2E 45%,#E0328C 100%);
  --c-accent:#6C3BF4;
  --c-accent-soft:rgba(108,59,244,.10);
  --c-accent-2:#23D3C8;
  --c-ink:#1B1526;
  --c-ink-2:#4A4258;
  --c-ink-3:#8B8399;
  --c-bg:#FFF8F2;
  --c-bg-2:#F6F3FC;
  --c-dark:#171227;
  --c-line:#ECE6F2;
  --c-ok:#16A34A;
  --c-warn:#F59E0B;
  --c-danger:#E5484D;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,21,38,.06);
  --sh-2:0 10px 30px rgba(27,21,38,.10);
  --sh-brand:0 14px 36px rgba(255,107,0,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gutter:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
body,button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4,h5,h6{margin:0;padding:0;color:var(--c-ink);line-height:1.25;font-weight:700;letter-spacing:0}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,2.8vw,36px);font-weight:700}
h3{font-size:22px;line-height:1.35;font-weight:600}
h4{font-size:18px;line-height:1.4;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
a{color:var(--c-ink);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{background:none;border:0;padding:0;cursor:pointer;color:inherit}
input,select,textarea{margin:0;box-shadow:none}
::selection{background:rgba(255,107,0,.18)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.wrap--wide{max-width:1280px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--c-bg-2)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section__eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-accent);background:var(--c-accent-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:14px}
.section__lead{max-width:720px;color:var(--c-ink-2);font-size:16px;margin-top:12px}
.section__more{font-size:15px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.section__more span{transition:transform .28s var(--ease)}
.section__more:hover span{transform:translateX(4px)}
.divider{width:80px;height:4px;border-radius:var(--r-pill);background:var(--c-primary-grad);margin:24px 0}

/* ============ 按钮 / 徽章 / 表单 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;text-align:center;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease)}
.btn--primary{background:var(--c-primary-grad);color:#fff;box-shadow:0 8px 20px rgba(255,107,0,.22)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-brand)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn--block{width:100%}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,107,0,.16)}
.btn--sm{height:42px;padding:0 20px;font-size:15px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:5px 12px;line-height:1.4}
.badge--cat{background:var(--c-accent-soft);color:var(--c-accent)}
.badge--state{background:var(--c-primary-grad);color:#fff}
.badge--soft{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2)}
.field{display:block;margin-bottom:16px}
.field__label{display:block;font-size:14px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;border-radius:var(--r-s);border:1px solid var(--c-line);background:#fff;padding:0 14px;font-size:15px;color:var(--c-ink);transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.14)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,248,242,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow .3s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-bar{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:38px;height:38px;border-radius:12px;background:var(--c-primary-grad);display:inline-flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(255,107,0,.28)}
.brand__mark svg{width:20px;height:20px}
.brand__name{font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:0;white-space:nowrap}
.nav-search{flex:1 1 auto;max-width:560px}
.search-box{position:relative;display:flex;align-items:center;height:44px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);padding:0 4px 0 16px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.14)}
.search-box__icon{width:20px;height:20px;flex:0 0 auto;color:var(--c-ink-3)}
.search-box input{flex:1 1 auto;border:0;outline:none;height:100%;font-size:15px;background:transparent;color:var(--c-ink);padding:0 12px;min-width:0}
.search-box input::placeholder{color:var(--c-ink-3)}
.search-box__btn{flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--r-pill);background:var(--c-primary-grad);color:#fff;font-size:14px;font-weight:600;border:0;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.search-box__btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,107,0,.28)}
.search-box__btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,107,0,.20)}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:var(--r-pill);background:var(--c-primary-grad);transform:scaleX(0);transform-origin:left center;transition:transform .28s var(--ease)}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--c-ink);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;flex:0 0 auto}
.nav-burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;transition:transform .25s var(--ease)}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .25s var(--ease)}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-bg);padding:16px 0 24px}
.nav-drawer.is-open{display:block}
.nav-drawer .search-box{margin-bottom:12px;max-width:none}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;min-height:56px;font-size:16px;font-weight:500;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-links a.is-active{color:var(--c-primary);font-weight:600}
.drawer-links a:last-child{border-bottom:0}
.drawer-cta{margin-top:16px}

/* ============ Hero ============ */
.hero{position:relative;background:linear-gradient(160deg,#FFF8F2 0%,#F6F3FC 58%,#FFF3EA 100%);overflow:hidden;padding:72px 0 88px}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,107,0,.18),rgba(255,107,0,0) 68%);filter:blur(80px);pointer-events:none}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero__title{max-width:16em}
.hero__sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:34em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-pill{display:inline-flex;align-items:baseline;gap:6px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:10px 16px;font-size:13px;color:var(--c-ink-3);box-shadow:var(--sh-1)}
.stat-pill b{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--c-primary-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.hero__media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-bg-2);aspect-ratio:16/12}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__tag{position:absolute;left:20px;top:20px;background:var(--c-primary-grad);color:#fff;font-size:12px;font-weight:600;padding:7px 14px;border-radius:var(--r-pill);box-shadow:0 8px 20px rgba(255,107,0,.3)}
.hero__caption{position:absolute;left:20px;right:20px;bottom:20px;background:rgba(255,255,255,.94);border-radius:var(--r-m);padding:14px 18px;font-size:14px;color:var(--c-ink-2);display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:var(--sh-1)}
.hero__caption strong{color:var(--c-ink);font-weight:700}

/* ============ 数据条 ============ */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter);background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:32px;margin-top:-56px;position:relative;z-index:5}
.statbar__item{text-align:center;padding:0 8px;border-right:1px solid var(--c-line)}
.statbar__item:last-child{border-right:0}
.statbar__num{font-size:32px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;background:var(--c-primary-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.statbar__num small{font-size:15px;font-weight:700;margin-left:2px}
.statbar__label{font-size:14px;color:var(--c-ink-3);margin-top:6px}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;border-radius:2px;background:var(--c-primary-grad);opacity:.75}
.tl-item{position:relative;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{content:"";position:absolute;left:-34px;top:26px;width:14px;height:14px;border-radius:50%;background:var(--c-primary);border:4px solid #fff;box-shadow:0 0 0 1px var(--c-line)}
.tl-card{background:#fff;border-radius:var(--r-m);border:1px solid var(--c-line);box-shadow:var(--sh-1);padding:22px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.tl-card h3{margin:12px 0 8px}
.tl-card p{font-size:15px;color:var(--c-ink-2);line-height:1.75;margin:0}
.tl-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:14px;font-weight:600;color:var(--c-primary)}
.tl-link:hover span{transform:translateX(4px)}
.tl-link span{transition:transform .28s var(--ease)}

/* ============ 亮点嘉宾 ============ */
.spot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.spot-card{position:relative;background:#fff;border-radius:var(--r-l);border:1px solid var(--c-line);box-shadow:var(--sh-1);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.spot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.spot-card__media{overflow:hidden;background:var(--c-bg-2);aspect-ratio:16/10}
.spot-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.spot-card:hover .spot-card__media img{transform:scale(1.03)}
.spot-card__body{padding:22px 24px 24px}
.spot-card__role{font-size:13px;font-weight:600;color:var(--c-accent);background:var(--c-accent-soft);border-radius:var(--r-pill);padding:5px 12px;display:inline-block;margin-bottom:12px}
.spot-card__body h3{font-size:20px;margin-bottom:8px}
.spot-card__body p{font-size:15px;color:var(--c-ink-2);margin:0}
.spot-card--wide{grid-column:span 2}
.spot-card--bar{grid-column:span 3;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center}
.spot-card--bar .spot-card__media{aspect-ratio:16/7;height:100%}
.spot-card--bar .spot-card__body{padding:32px}

/* ============ 分区入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gutter)}
.entry-card{position:relative;display:block;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.entry-card__media{aspect-ratio:16/8;overflow:hidden;background:var(--c-bg-2)}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.entry-card:hover .entry-card__media img{transform:scale(1.03)}
.entry-card__body{padding:24px}
.entry-card__body h3{margin-bottom:10px}
.entry-card__body p{font-size:15px;color:var(--c-ink-2);margin:0 0 16px}
.entry-card__go{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}

/* ============ 票种对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);align-items:start}
.plan{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:28px 26px 30px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan__name{font-size:18px;font-weight:700}
.plan__desc{font-size:14px;color:var(--c-ink-3);margin-top:6px}
.plan__price{display:flex;align-items:baseline;gap:4px;margin:20px 0 4px;font-variant-numeric:tabular-nums}
.plan__price span{font-size:16px;font-weight:700;color:var(--c-ink-2)}
.plan__price b{font-size:32px;font-weight:800;line-height:1}
.plan__price em{font-style:normal;font-size:14px;color:var(--c-ink-3)}
.plan__list{margin:22px 0 26px}
.plan__list li{position:relative;padding-left:26px;font-size:15px;color:var(--c-ink-2);margin-bottom:12px;line-height:1.7}
.plan__list li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(-45deg)}
.plan__list li.is-off{color:var(--c-ink-3);text-decoration:line-through}
.plan__list li.is-off::before{border-color:var(--c-ink-3)}
.plan--best{border:0;padding-top:34px;box-shadow:var(--sh-brand);transform:translateY(-8px)}
.plan--best:hover{transform:translateY(-12px)}
.plan--best::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;border-radius:var(--r-l) var(--r-l) 0 0;background:var(--c-primary-grad)}
.plan--best .plan__flag{position:absolute;right:22px;top:-13px;background:var(--c-primary-grad);color:#fff;font-size:12px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);box-shadow:0 8px 18px rgba(255,107,0,.28)}

/* ============ CMS 资讯列表 ============ */
.cms-news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.cms-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cms-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-2);border-radius:var(--r-m) var(--r-m) 0 0}
.cms-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.cms-card:hover .cms-card__media img{transform:scale(1.03)}
.cms-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.cms-card__body h3{font-size:18px;line-height:1.45;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-card__body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-card__meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-ink-3)}
.cms-card__meta .go{font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:4px}
.cms-empty{grid-column:1/-1;text-align:center;background:#FFF4E9;border:1px dashed rgba(255,107,0,.35);border-radius:var(--r-l);padding:48px 24px}
.cms-empty__icon{width:48px;height:48px;border-radius:14px;background:var(--c-primary-grad);display:inline-flex;align-items:center;justify-content:center;color:#fff;margin-bottom:14px}
.cms-empty p{font-size:15px;color:var(--c-ink-2);margin-bottom:16px}
.cms-more{margin-top:36px;text-align:right}

/* ============ 合作媒体 ============ */
.partners{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:32px 0}
.partners__title{text-align:center;font-size:14px;color:var(--c-ink-3);margin-bottom:22px}
.partners__list{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:48px}
.partners__item{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--c-ink-3);filter:grayscale(1);opacity:.72;transition:filter .3s var(--ease),opacity .3s var(--ease),color .3s var(--ease)}
.partners__item:hover{filter:grayscale(0);opacity:1;color:var(--c-ink)}
.partners__dot{width:26px;height:26px;border-radius:8px;background:var(--c-primary-grad);opacity:.85;flex:0 0 auto}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font-size:17px;font-weight:600;color:var(--c-ink);position:relative;transition:color .25s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item summary::after{content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;border-right:2px solid var(--c-ink-3);border-bottom:2px solid var(--c-ink-3);transform:translateY(-70%) rotate(45deg);transition:transform .3s var(--ease)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary-grad)}
.faq-item__a{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ============ 报名 CTA ============ */
.cta-band{background:var(--c-dark);color:rgba(255,255,255,.82);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-140px;bottom:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,107,0,.30),rgba(255,107,0,0) 70%);filter:blur(60px);pointer-events:none}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.78)}
.cta-points{margin-top:24px}
.cta-points li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--c-accent-2);box-shadow:0 0 0 4px rgba(35,211,200,.16)}
.form-card{background:#fff;border-radius:var(--r-l);padding:28px 26px 30px;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card__tip{font-size:14px;color:var(--c-ink-3);margin-bottom:20px}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:12px;text-align:center}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);border-top:4px solid transparent;border-image:var(--c-primary-grad) 1}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding:64px 0 48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__name{color:#fff}
.footer-brand .brand__mark{box-shadow:none}
.footer-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:32em}
.footer-contact{margin-top:14px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease)}
.footer-social a:hover{border-color:var(--c-primary);color:#fff;transform:translateY(-2px)}
.footer-social svg{width:18px;height:18px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff}
.footer-sub input{width:100%;height:46px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);padding:0 18px;color:#fff;font-size:14px;margin-bottom:12px}
.footer-sub input::placeholder{color:rgba(255,255,255,.46)}
.footer-sub input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.18)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.6);font-size:13px}
.footer-bottom a:hover{color:#fff}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--gutter:20px}
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .nav-search,.nav-links,.nav-cta{display:none}
  .nav-burger{display:inline-flex}
  .nav-bar{min-height:60px;justify-content:space-between}
  .hero{padding:48px 0 72px}
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__media{aspect-ratio:16/10}
  .statbar{grid-template-columns:repeat(2,1fr);gap:24px;margin-top:-40px;padding:24px}
  .statbar__item{border-right:0;border-bottom:1px solid var(--c-line);padding-bottom:16px}
  .statbar__item:nth-child(3),.statbar__item:nth-child(4){border-bottom:0;padding-bottom:0}
  .spot-grid{grid-template-columns:repeat(2,1fr)}
  .spot-card--wide{grid-column:span 2}
  .spot-card--bar{grid-column:span 2;grid-template-columns:1fr}
  .spot-card--bar .spot-card__media{aspect-ratio:16/9}
  .spot-card--bar .spot-card__body{padding:24px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan--best{transform:none}
  .plan--best:hover{transform:translateY(-4px)}
  .cms-news-list{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-main{grid-template-columns:repeat(2,1fr);gap:32px;padding:48px 0 36px}
}
@media (max-width:639px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  h1{font-size:clamp(26px,7vw,30px)}
  .hero__sub{font-size:16px}
  .hero__actions .btn{width:100%}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .statbar__num{font-size:26px}
  .spot-grid{grid-template-columns:1fr}
  .spot-card--wide,.spot-card--bar{grid-column:span 1}
  .entry-grid{grid-template-columns:1fr}
  .cms-news-list{grid-template-columns:1fr}
  .cms-card__body{padding:18px}
  .partners__list{gap:24px 32px}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .timeline{padding-left:26px}
  .tl-item::before{left:-26px}
  .tl-card{padding:18px}
  .section__head{margin-bottom:28px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* roulang page: article */
:root{
  --c-primary:#FF6B00;
  --c-primary-2:#FF9A2E;
  --c-primary-grad:linear-gradient(96deg,#FF6B00 0%,#FF9A2E 45%,#E0328C 100%);
  --c-accent:#6C3BF4;
  --c-accent-soft:rgba(108,59,244,.10);
  --c-accent-2:#23D3C8;
  --c-ink:#1B1526;
  --c-ink-2:#4A4258;
  --c-ink-3:#8B8399;
  --c-bg:#FFF8F2;
  --c-bg-2:#F6F3FC;
  --c-dark:#171227;
  --c-line:#ECE6F2;
  --c-ok:#16A34A;
  --c-warn:#F59E0B;
  --c-danger:#E5484D;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,21,38,.06);
  --sh-2:0 10px 30px rgba(27,21,38,.10);
  --sh-brand:0 14px 36px rgba(255,107,0,.28);
  --gutter:28px;
  --sec-y:96px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",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:16px;
  line-height:1.75;
  color:var(--c-ink-2);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-ink);text-decoration:none;transition:color .25s cubic-bezier(.2,.7,.3,1);}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--c-ink);}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,107,0,.16);border-radius:var(--r-s);}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sec{padding:var(--sec-y) 0;}
.sec--tint{background:var(--c-bg-2);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;}
.sec-head p{margin:8px 0 0;color:var(--c-ink-3);font-size:15px;max-width:640px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-more i{transition:transform .25s cubic-bezier(.2,.7,.3,1);}
.link-more:hover i{transform:translateX(4px);}

/* 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:16px;font-weight:600;border:1px solid transparent;transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s cubic-bezier(.2,.7,.3,1),border-color .28s,color .28s;min-height:44px;}
.btn-primary{background-image:var(--c-primary-grad);background-size:150% 100%;color:#fff;box-shadow:0 6px 18px rgba(255,107,0,.22);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-brand);background-position:100% 0;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}

/* 徽章 */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:0;background:var(--c-accent-soft);color:var(--c-accent);}
.pill--grad{background-image:var(--c-primary-grad);color:#fff;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,248,242,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow .28s;}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{max-width:1200px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{width:38px;height:38px;border-radius:12px;background-image:var(--c-primary-grad);display:grid;place-items:center;box-shadow:0 6px 16px rgba(255,107,0,.28);}
.brand__mark svg{width:22px;height:22px;}
.brand__name{font-size:19px;font-weight:800;color:var(--c-ink);white-space:nowrap;}
.nav-search{flex:1 1 42%;min-width:0;display:flex;justify-content:center;}
.search-box{position:relative;display:flex;align-items:center;width:100%;max-width:520px;height:44px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding-left:44px;padding-right:4px;transition:border-color .25s,box-shadow .25s;}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.14);}
.search-ico{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--c-ink-3);}
.search-box input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-btn{height:36px;padding:0 18px;border-radius:var(--r-pill);background-image:var(--c-primary-grad);color:#fff;font-size:14px;font-weight:600;}
.search-btn:hover{color:#fff;filter:brightness(1.05);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{position:relative;font-size:16px;font-weight:500;color:var(--c-ink-2);padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background-image:var(--c-primary-grad);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,.7,.3,1);}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--c-primary);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;color:var(--c-ink);}
.drawer{display:none;}

/* 面包屑 */
.crumb-bar{background:var(--c-bg-2);border-bottom:1px solid var(--c-line);}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);padding:14px 0;flex-wrap:wrap;}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-ink-3);}
.crumb .cur{color:var(--c-ink-3);}

/* 文章主区 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:48px 0 88px;}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--c-line);margin-bottom:32px;}
.article-head h1{font-size:clamp(26px,3.4vw,38px);line-height:1.3;font-weight:700;margin:16px 0 18px;max-width:820px;}
.article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:var(--c-ink-3);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);}
.cover-figure{margin:0 0 32px;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-bg-2);}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* 正文 */
.entry-content{max-width:760px;font-size:16px;line-height:1.9;color:var(--c-ink-2);}
.entry-content p{margin:0 0 20px;}
.entry-content h2{position:relative;font-size:24px;font-weight:700;line-height:1.35;margin:40px 0 16px;padding-left:14px;}
.entry-content h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background-image:var(--c-primary-grad);}
.entry-content h3{font-size:20px;font-weight:600;margin:32px 0 14px;}
.entry-content h4{font-size:18px;font-weight:600;margin:26px 0 12px;}
.entry-content ul,.entry-content ol{margin:0 0 22px;padding-left:1.4em;}
.entry-content ul li{list-style:disc;margin-bottom:10px;}
.entry-content ol li{list-style:decimal;margin-bottom:10px;}
.entry-content li::marker{color:var(--c-primary);}
.entry-content blockquote{margin:0 0 24px;padding:20px;background:var(--c-bg-2);border-left:4px solid transparent;border-image:var(--c-primary-grad) 1;border-radius:0 var(--r-m) var(--r-m) 0;font-size:17px;color:var(--c-ink-2);}
.entry-content img{border-radius:var(--r-m);box-shadow:var(--sh-1);margin:0 0 12px;}
.entry-content figcaption{font-size:13px;text-align:center;color:var(--c-ink-3);margin-bottom:24px;}
.entry-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.entry-content table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 24px;}
.entry-content thead th{background:var(--c-bg-2);font-weight:600;color:var(--c-ink);text-align:left;}
.entry-content th,.entry-content td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.table-scroll{overflow-x:auto;margin-bottom:24px;-webkit-overflow-scrolling:touch;}
.entry-content code{background:var(--c-bg-2);border-radius:6px;padding:2px 6px;font-size:14px;}

/* 空态 */
.empty-note{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:40px 32px;text-align:center;box-shadow:var(--sh-1);max-width:760px;}
.empty-note h2{font-size:22px;margin-bottom:12px;}
.empty-note p{color:var(--c-ink-3);margin-bottom:24px;}

/* 文末区 */
.article-foot{max-width:760px;margin-top:48px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding:24px 0;border-top:1px solid var(--c-line);}
.action-bar{display:flex;align-items:center;gap:14px;padding:8px 0 28px;flex-wrap:wrap;}
.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:#fff;display:grid;place-items:center;color:var(--c-ink-2);transition:border-color .25s,color .25s,transform .25s;}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.icon-btn.is-on{border-color:var(--c-primary);color:var(--c-primary);}
.count-note{font-size:14px;color:var(--c-ink-3);}
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:12px 0 8px;}
.pager a{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:20px 24px;box-shadow:var(--sh-1);transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s,border-color .28s;}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#fff;}
.pager .k{font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:6px;margin-bottom:8px;}
.pager .t{font-size:16px;font-weight:600;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pager .next{text-align:right;}
.pager .next .k{justify-content:flex-end;}
.related{margin-top:56px;}
.related h2{font-size:22px;margin-bottom:24px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gutter);}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);}
.back-home{display:flex;justify-content:center;margin-top:48px;}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:24px;}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:24px;box-shadow:var(--sh-1);}
.side-card h3{font-size:17px;margin-bottom:16px;}
.rank-list li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--c-line);font-size:15px;}
.rank-list li:last-child{border-bottom:0;}
.rank-list .num{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--c-ink-3);width:20px;}
.rank-list li:nth-child(-n+3) .num{background-image:var(--c-primary-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.rank-list .txt{flex:1;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.side-links li{padding:10px 0;border-bottom:1px solid var(--c-line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:flex;align-items:center;gap:8px;font-size:15px;}
.side-links a::before{content:"";width:4px;height:16px;border-radius:2px;background-image:var(--c-primary-grad);flex:0 0 auto;}
.side-cta{background-image:var(--c-primary-grad);border-radius:var(--r-l);padding:24px;color:#fff;box-shadow:var(--sh-brand);}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px;}
.side-cta p{color:rgba(255,255,255,.88);font-size:14px;margin-bottom:18px;}
.side-cta .btn{background:#fff;color:var(--c-primary);width:100%;box-shadow:none;}
.side-cta .btn:hover{color:var(--c-primary);}

/* in-article TOC */
.toc-float{display:none;}

/* 页脚 */
.site-footer{position:relative;background:var(--c-dark);color:rgba(255,255,255,.72);margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background-image:var(--c-primary-grad);}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__mark{width:36px;height:36px;}
.footer-brand .brand__name{color:#fff;font-size:19px;font-weight:800;}
.footer-text{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.66);}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.footer-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:rgba(255,255,255,.8);}
.footer-social a:hover{color:#fff;border-color:var(--c-primary-2);background:rgba(255,107,0,.16);}
.footer-social svg{width:18px;height:18px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:var(--c-primary-2);}
.footer-sub form{display:flex;gap:10px;margin-top:16px;}
.footer-sub input{flex:1;min-width:0;height:46px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;padding:0 18px;}
.footer-sub input::placeholder{color:rgba(255,255,255,.5);}
.footer-sub input:focus{border-color:var(--c-primary-2);box-shadow:0 0 0 4px rgba(255,107,0,.2);}
.footer-sub button{height:46px;padding:0 22px;border-radius:var(--r-pill);background-image:var(--c-primary-grad);color:#fff;font-size:15px;font-weight:600;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}

/* 响应式 */
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;}
  .article-side{position:sticky;top:96px;}
}
@media (min-width:1200px){
  .toc-float{display:block;position:sticky;top:96px;width:200px;font-size:14px;}
  .article-layout{grid-template-columns:200px minmax(0,1fr) 320px;}
  .toc-float h4{font-size:13px;color:var(--c-ink-3);font-weight:600;margin-bottom:12px;}
  .toc-float a{display:block;padding:6px 0 6px 12px;border-left:2px solid var(--c-line);color:var(--c-ink-2);}
  .toc-float a:hover{color:var(--c-primary);border-left-color:var(--c-primary);}
}
@media (max-width:1023px){
  :root{--sec-y:72px;--gutter:20px;}
  .nav-wrap{height:64px;gap:14px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .brand__name{font-size:17px;}
  .drawer{display:block;position:fixed;inset:0;background:var(--c-bg);z-index:80;padding:20px 24px 40px;transform:translateY(-100%);transition:transform .32s cubic-bezier(.2,.7,.3,1);overflow-y:auto;}
  .drawer.is-open{transform:translateY(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
  .drawer .search-box{max-width:none;margin-bottom:18px;}
  .drawer-links a{display:flex;align-items:center;justify-content:space-between;min-height:56px;border-bottom:1px solid var(--c-line);font-size:16px;font-weight:500;color:var(--c-ink);}
  .drawer-links a::after{content:"›";color:var(--c-ink-3);}
  .drawer-links a.is-active{color:var(--c-primary);font-weight:600;}
  .drawer .btn{width:100%;margin-top:24px;}
  .footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:48px 0 32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cover-figure{border-radius:var(--r-m);}
}
@media (max-width:640px){
  :root{--sec-y:56px;--gutter:16px;}
  .wrap{padding:0 16px;}
  .nav-wrap{padding:0 16px;height:60px;}
  .article-layout{padding:32px 0 64px;gap:32px;}
  .article-head h1{font-size:26px;}
  .entry-content{font-size:16px;}
  .entry-content h2{font-size:21px;}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager .next{text-align:left;}
  .pager .next .k{justify-content:flex-start;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-main{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .side-card{padding:18px;}
  .empty-note{padding:28px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#FF6B00;
  --c-primary-2:#FF9A2E;
  --c-primary-grad:linear-gradient(96deg,#FF6B00 0%,#FF9A2E 45%,#E0328C 100%);
  --c-accent:#6C3BF4;
  --c-accent-2:#23D3C8;
  --c-ink:#1B1526;
  --c-ink-2:#4A4258;
  --c-ink-3:#8B8399;
  --c-bg:#FFF8F2;
  --c-bg-2:#F6F3FC;
  --c-dark:#171227;
  --c-line:#ECE6F2;
  --c-ok:#16A34A;
  --c-warn:#F59E0B;
  --c-danger:#E5484D;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,21,38,.06);
  --sh-2:0 10px 30px rgba(27,21,38,.10);
  --sh-brand:0 14px 36px rgba(255,107,0,.28);
  --gutter:28px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;}
button,input,select,textarea{font:inherit;color:inherit;}
input,select,textarea{-webkit-appearance:none;appearance:none;}
svg{display:block;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,107,0,.16);border-radius:var(--r-s);}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,242,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--c-primary-grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,107,0,.28);
}
.brand__mark svg{width:22px;height:22px;}
.brand__name{font-size:18px;font-weight:800;color:var(--c-ink);line-height:1.2;}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 44%;max-width:520px;height:44px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:0 5px 0 44px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search__icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;stroke:var(--c-ink-3);}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:15px;color:var(--c-ink);padding:0 8px;
}
.nav-search input::placeholder{color:var(--c-ink-3);}
.nav-search input:focus{outline:none;box-shadow:none;}
.nav-search button{
  flex:0 0 auto;height:34px;padding:0 18px;border:0;margin:0;
  border-radius:var(--r-pill);background:var(--c-primary-grad);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,107,0,.28);}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.14);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  position:relative;font-size:16px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;white-space:nowrap;transition:color .25s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--c-primary-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--c-primary);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{
  flex:0 0 auto;height:44px;padding:0 22px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);background:var(--c-primary-grad);color:#fff;
  font-size:15px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(255,107,0,.22);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--sh-brand);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:var(--c-bg);
  padding:16px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.nav-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.nav-drawer__close{
  width:40px;height:40px;border:1px solid var(--c-line);border-radius:12px;background:#fff;
  cursor:pointer;font-size:20px;line-height:1;color:var(--c-ink);
}
.nav-search--drawer{max-width:none;flex:none;width:100%;margin-bottom:12px;}
.nav-drawer__links{display:flex;flex-direction:column;border-top:1px solid var(--c-line);}
.nav-drawer__links a{
  min-height:56px;display:flex;align-items:center;border-bottom:1px solid var(--c-line);
  font-size:16px;font-weight:500;color:var(--c-ink-2);
}
.nav-drawer__links a.is-active{color:var(--c-primary);font-weight:600;}
.nav-drawer__cta{margin-top:20px;width:100%;justify-content:center;height:48px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.btn--primary{background:var(--c-primary-grad);color:#fff;box-shadow:0 10px 24px rgba(255,107,0,.24);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-brand);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;color:var(--c-ink);border:1px solid var(--c-line);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn--sm{height:42px;padding:0 20px;font-size:15px;}
.btn--block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);
  font-weight:600;font-size:15px;
}
.text-link svg{width:16px;height:16px;stroke:var(--c-primary);transition:transform .25s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:0;
}
.badge--cat{background:rgba(108,59,244,.10);color:var(--c-accent);}
.badge--grad{background:var(--c-primary-grad);color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--c-primary-grad);}
.section{padding:96px 0;}
.section--tint{background:var(--c-bg-2);}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head h2{font-size:clamp(24px,2.8vw,36px);font-weight:700;line-height:1.25;margin-bottom:14px;}
.sec-head p{color:var(--c-ink-2);font-size:16px;margin:0;}
.divider-dot{width:80px;height:4px;border-radius:4px;background:var(--c-primary-grad);margin:0 auto;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-ink-2);padding:20px 0 0;
}
.breadcrumb a{color:var(--c-ink-2);transition:color .25s var(--ease);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-ink-3);}
.breadcrumb .current{color:var(--c-ink-3);}

/* ---------- 窄高分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:40px 0 56px;
  background:linear-gradient(120deg,#FFF8F2 0%,#FBF5FF 52%,#F6F3FC 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,107,0,.16) 0%,rgba(255,107,0,0) 70%);
  filter:blur(80px);pointer-events:none;
}
.cat-hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;
  min-height:260px;
}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;
  max-width:620px;margin-bottom:16px;
}
.cat-hero__sub{font-size:17px;color:var(--c-ink-2);max-width:520px;margin-bottom:24px;}
.cat-hero__links{display:flex;flex-wrap:wrap;gap:22px;}
.cat-hero__media{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:16/10;background:var(--c-bg-2);
}
.cat-hero__media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 图文交替 ---------- */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  margin-bottom:80px;
}
.alt-row:last-child{margin-bottom:0;}
.alt-row__media{
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);
  aspect-ratio:4/3;background:var(--c-bg-2);
}
.alt-row__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.alt-row:hover .alt-row__media img{transform:scale(1.03);}
.alt-row__body h3{font-size:22px;font-weight:600;line-height:1.35;margin-bottom:14px;}
.alt-row__body p{color:var(--c-ink-2);margin-bottom:14px;max-width:640px;}
.alt-row__list li{
  position:relative;padding-left:18px;color:var(--c-ink-2);font-size:15px;line-height:1.9;
}
.alt-row__list li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary-grad);
}
.alt-row--flip .alt-row__media{order:2;}

/* ---------- 特性网格 ---------- */
.feature-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter);
}
.feature-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-card__icon{
  width:40px;height:40px;border-radius:12px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(255,107,0,.14),rgba(108,59,244,.14));
  border:1px solid rgba(255,107,0,.28);
}
.feature-card__icon svg{width:22px;height:22px;stroke:var(--c-primary);}
.feature-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--c-ink-2);margin:0;}

/* ---------- 数据徽章带 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:32px 24px;
}
.stat{border-left:4px solid transparent;border-image:var(--c-primary-grad) 1;padding-left:18px;}
.stat__num{
  font-size:32px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;
  background:var(--c-primary-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat__num small{font-size:15px;font-weight:600;margin-left:2px;}
.stat__label{font-size:14px;color:var(--c-ink-3);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
  min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{
  flex:0 0 auto;width:20px;height:20px;stroke:var(--c-ink-3);
  transition:transform .3s var(--ease);
}
.faq-item[open] summary .chev{transform:rotate(180deg);stroke:var(--c-primary);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--c-primary-grad);
}
.faq-item__body{
  padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}
.faq-item__body p:last-child{margin-bottom:0;}

/* ---------- 底部 CTA 条 ---------- */
.cta-band{
  border-radius:var(--r-l);padding:40px 40px;
  background:var(--c-dark);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--c-primary-grad);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.45) 0%,rgba(108,59,244,0) 70%);
  filter:blur(60px);
}
.cta-band__text{position:relative;z-index:2;}
.cta-band__text h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;margin-bottom:8px;}
.cta-band__text p{margin:0;font-size:15px;color:rgba(255,255,255,.72);}
.cta-band__action{position:relative;z-index:2;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);color:rgba(255,255,255,.78);
  margin-top:96px;position:relative;
}
.site-footer::before{content:"";display:block;height:4px;background:var(--c-primary-grad);}
.footer-main{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__name{color:#fff;}
.footer-text{font-size:14px;color:rgba(255,255,255,.66);max-width:320px;line-height:1.8;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.66);}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.footer-social a:hover{border-color:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-social svg{width:18px;height:18px;}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.7);transition:color .25s var(--ease);
}
.footer-col ul a:hover{color:var(--c-primary-2);}
.footer-form{display:flex;gap:8px;margin-top:14px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 16px;font-size:14px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.2);}
.footer-form button{
  flex:0 0 auto;height:44px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary-grad);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .25s var(--ease);
}
.footer-form button:hover{transform:translateY(-2px);}
.footer-note{font-size:13px;color:rgba(255,255,255,.45);margin-top:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(255,255,255,.6);transition:color .25s var(--ease);}
.footer-bottom a:hover{color:var(--c-primary-2);}
.footer-bottom p{margin:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:15px;}
}
@media (max-width:1023px){
  :root{--gutter:20px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:64px;gap:14px;}
  .nav-search{flex:1 1 auto;max-width:none;}
  .section{padding:72px 0;}
  .cat-hero__inner{grid-template-columns:1fr;gap:32px;min-height:0;padding-bottom:8px;}
  .cat-hero__media{aspect-ratio:16/9;}
  .alt-row{grid-template-columns:1fr;gap:28px;margin-bottom:56px;}
  .alt-row--flip .alt-row__media{order:0;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:768px){
  .stat-strip{grid-template-columns:1fr;gap:24px;padding:26px 20px;}
  .stat{border-left:0;border-image:none;padding-left:0;padding-top:14px;border-top:1px solid var(--c-line);}
  .stat:first-child{border-top:0;padding-top:0;}
}
@media (max-width:639px){
  :root{--gutter:16px;}
  .wrap{padding:0 16px;}
  .nav-wrap{padding:0 16px;height:60px;}
  .nav-search{display:none;}
  .brand__name{font-size:17px;}
  .section{padding:56px 0;}
  .cat-hero{padding:24px 0 40px;}
  .cat-hero h1{font-size:30px;}
  .cat-hero__sub{font-size:16px;}
  .cat-hero__links{gap:16px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-card{padding:18px;}
  .sec-head{margin-bottom:32px;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-item__body{padding:0 18px 18px;}
  .cta-band{padding:26px 20px;gap:20px;}
  .cta-band__action{width:100%;}
  .cta-band__action .btn{width:100%;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:56px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-primary:#FF6B00;--c-primary-2:#FF9A2E;
  --c-primary-grad:linear-gradient(96deg,#FF6B00 0%,#FF9A2E 45%,#E0328C 100%);
  --c-accent:#6C3BF4;--c-accent-2:#23D3C8;
  --c-ink:#1B1526;--c-ink-2:#4A4258;--c-ink-3:#8B8399;
  --c-bg:#FFF8F2;--c-bg-2:#F6F3FC;--c-dark:#171227;--c-line:#ECE6F2;
  --c-ok:#16A34A;--c-warn:#F59E0B;--c-danger:#E5484D;
  --r-s:10px;--r-m:16px;--r-l:24px;--r-xl:32px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(27,21,38,.06);--sh-2:0 10px 30px rgba(27,21,38,.10);
  --sh-brand:0 14px 36px rgba(255,107,0,.28);
  --gutter:28px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);}
a:hover,a:focus{color:var(--c-primary);}
button{font:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:0;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,107,0,.16);border-radius:8px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--soft{background:var(--c-bg-2);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:700;}
.section-head p{margin-top:16px;color:var(--c-ink-2);}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--c-accent);background:rgba(108,59,244,.10);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;}
.rule{width:80px;height:4px;border-radius:4px;background:var(--c-primary-grad);margin:0 0 24px;}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,248,242,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  max-width:1280px;margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;background:var(--c-primary-grad);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-brand);flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px;}
.brand__name{font-size:19px;font-weight:800;color:var(--c-ink);white-space:nowrap;}
.brand:hover .brand__name{color:var(--c-ink);}

.nav-search{
  position:relative;display:flex;align-items:center;flex:1 1 42%;max-width:520px;min-width:220px;
  height:44px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.14);}
.nav-search__icon{width:22px;height:22px;margin-left:16px;color:var(--c-ink-3);flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;height:100%;border:0;background:transparent;padding:0 12px;font-size:15px;min-width:0;
}
.nav-search input::placeholder{color:var(--c-ink-3);}
.nav-search input:focus{outline:none;}
.nav-search__btn{
  flex:0 0 auto;height:34px;margin-right:5px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary-grad);color:#fff;font-size:14px;font-weight:600;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
}
.nav-search__btn:hover{transform:translateY(-1px);box-shadow:var(--sh-brand);filter:saturate(1.08);}
.nav-search__btn:active{transform:translateY(0);}

.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;flex:0 0 auto;}
.nav-links a{font-size:16px;font-weight:500;color:var(--c-ink-2);position:relative;padding:6px 0;white-space:nowrap;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--c-primary-grad);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--c-primary);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{
  height:44px;display:inline-flex;align-items:center;padding:0 22px !important;border-radius:var(--r-pill);
  background:var(--c-primary-grad);color:#fff !important;font-weight:600 !important;box-shadow:var(--sh-1);
}
.nav-cta::after{display:none;}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--sh-brand);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle svg{width:22px;height:22px;color:var(--c-ink);}

.drawer{
  position:fixed;inset:0;z-index:90;background:var(--c-bg);display:none;flex-direction:column;
  padding:16px 20px 32px;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;display:flex;align-items:center;justify-content:center;}
.drawer__close svg{width:20px;height:20px;color:var(--c-ink);}
.drawer .nav-search{max-width:none;width:100%;min-width:0;margin-bottom:14px;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  min-height:56px;display:flex;align-items:center;font-size:17px;font-weight:500;
  border-bottom:1px solid var(--c-line);color:var(--c-ink-2);
}
.drawer nav a.is-active{color:var(--c-primary);font-weight:600;}
.drawer__cta{
  margin-top:24px;height:48px;border-radius:var(--r-pill);background:var(--c-primary-grad);color:#fff !important;
  display:flex;align-items:center;justify-content:center;font-weight:600;box-shadow:var(--sh-brand);
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 28px;
  border-radius:var(--r-pill);font-size:16px;font-weight:600;border:1px solid transparent;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.btn--primary{background:var(--c-primary-grad);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-brand);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--c-ink);}
.btn--light:hover{color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--onDark{background:transparent;border-color:rgba(255,255,255,.34);color:#fff;}
.btn--onDark:hover{border-color:#fff;color:#fff;transform:translateY(-2px);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-primary);}
.link-more svg{width:16px;height:16px;transition:transform .3s var(--ease);}
.link-more:hover svg{transform:translateX(4px);}

/* ===== Hero banner ===== */
.hero-banner{
  position:relative;min-height:420px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(23,18,39,.85) 0%,rgba(23,18,39,.62) 48%,rgba(23,18,39,.5) 100%);
}
.hero-banner .wrap{position:relative;z-index:2;padding:72px 24px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{color:rgba(255,255,255,.5);}
.crumbs span.current{color:rgba(255,255,255,.62);}
.hero-banner h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:800;max-width:16em;
}
.hero-banner .hero-sub{color:rgba(255,255,255,.86);font-size:17px;margin-top:16px;max-width:620px;}
.hero-banner .hero-search{
  position:relative;display:flex;align-items:center;margin-top:32px;max-width:620px;width:100%;
  height:52px;border-radius:var(--r-pill);background:#fff;border:1px solid rgba(255,255,255,.4);
  box-shadow:var(--sh-2);
}
.hero-banner .hero-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.18);}
.hero-banner .hero-search .nav-search__icon{width:22px;height:22px;margin-left:18px;color:var(--c-ink-3);}
.hero-banner .hero-search input{flex:1;border:0;height:100%;background:transparent;padding:0 14px;font-size:15px;min-width:0;}
.hero-banner .hero-search input:focus{outline:none;}
.hero-banner .hero-search .nav-search__btn{height:40px;margin-right:6px;padding:0 22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:6px 14px;
}
.hero-tags span i{width:7px;height:7px;border-radius:50%;background:var(--c-accent-2);display:inline-block;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter);position:relative;}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:28px 24px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step__num{
  font-size:38px;font-weight:800;line-height:1;background:var(--c-primary-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.step p{font-size:14px;color:var(--c-ink-3);margin:0;}
.step::after{
  content:"";position:absolute;top:50%;right:-16px;width:32px;height:2px;
  background-image:linear-gradient(90deg,var(--c-line) 0 8px,transparent 8px 16px);
  background-size:16px 2px;background-repeat:repeat-x;
}
.step:last-child::after{display:none;}

/* ===== Split ===== */
.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start;}
.prose p{color:var(--c-ink-2);max-width:740px;}
.prose h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:20px;}
.prose h3{font-size:20px;font-weight:600;margin:36px 0 14px;padding-left:14px;position:relative;}
.prose h3::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--c-primary-grad);}
.prose ul{margin:0 0 24px;}
.prose ul li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--c-ink-2);}
.prose ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--c-primary-grad);}
.figure{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);margin:0 0 32px;background:var(--c-bg-2);}
.figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease);}
.figure:hover img{transform:scale(1.03);}
.side-card{
  position:sticky;top:96px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:28px 24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:19px;font-weight:600;margin-bottom:18px;}
.side-card ul li{
  position:relative;padding-left:20px;margin-bottom:14px;font-size:15px;color:var(--c-ink-2);line-height:1.7;
}
.side-card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent-2);
}
.side-card .btn{width:100%;margin-top:12px;}
.side-note{margin-top:14px;font-size:13px;color:var(--c-ink-3);text-align:center;}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-l);background:#fff;box-shadow:var(--sh-1);}
table.compare{width:100%;min-width:660px;border-collapse:collapse;}
table.compare thead th{
  background:var(--c-primary-grad);color:#fff;font-size:15px;font-weight:600;text-align:left;
  padding:18px 22px;white-space:nowrap;
}
table.compare thead th:first-child{background:linear-gradient(96deg,#4A2E86 0%,#6C3BF4 100%);}
table.compare tbody td{
  padding:16px 22px;font-size:15px;color:var(--c-ink-2);border-top:1px solid var(--c-line);vertical-align:top;
}
table.compare tbody th{
  padding:16px 22px;font-size:15px;font-weight:600;color:var(--c-ink);border-top:1px solid var(--c-line);
  text-align:left;white-space:nowrap;background:var(--c-bg-2);
}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:rgba(255,107,0,.04);}
.tag-inline{
  display:inline-block;font-size:12px;font-weight:600;color:var(--c-accent);
  background:rgba(108,59,244,.10);border-radius:var(--r-pill);padding:3px 10px;margin-left:8px;
}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);}
.stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:28px 24px;
  box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat__num{font-size:32px;font-weight:800;line-height:1.1;background:var(--c-primary-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat__num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat__label{margin-top:8px;font-size:14px;color:var(--c-ink-3);}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1);overflow:hidden;position:relative;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary-grad);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:transparent;border:0;padding:20px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q svg{width:18px;height:18px;color:var(--c-ink-3);flex:0 0 auto;transition:transform .3s var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.faq-item.is-open .faq-a{display:block;}

/* ===== CTA bar ===== */
.cta-bar{background:var(--c-primary-grad);border-radius:var(--r-xl);padding:48px;box-shadow:var(--sh-brand);}
.cta-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-bar h2{color:#fff;font-size:clamp(24px,2.8vw,34px);line-height:1.25;max-width:20em;}
.cta-bar p{color:rgba(255,255,255,.88);margin-top:12px;max-width:34em;}
.cta-bar .btn--light:hover{color:var(--c-primary);}

/* ===== Footer ===== */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);position:relative;padding-top:4px;margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--c-primary-grad);}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding:72px 0 48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand__mark{box-shadow:none;}
.footer-brand .brand__name{color:#fff;font-size:18px;}
.footer-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:32em;}
.footer-contact{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
}
.footer-social a svg{width:18px;height:18px;}
.footer-social a:hover{border-color:var(--c-primary);color:#fff;background:rgba(255,107,0,.2);}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-col li a{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;}
.footer-col li a:hover{color:#fff;}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:16px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 160px;height:48px;min-width:0;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 18px;font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,107,0,.2);}
.footer-form button{
  height:48px;padding:0 24px;border:0;border-radius:var(--r-pill);background:var(--c-primary-grad);
  color:#fff;font-weight:600;font-size:14px;
}
.footer-form button:hover{box-shadow:var(--sh-brand);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 32px;display:flex;flex-wrap:wrap;
  gap:12px 24px;align-items:center;justify-content:space-between;
}
.footer-bottom p,.footer-bottom a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}
.footer-links{display:flex;flex-wrap:wrap;gap:20px;}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:15px;}
}
@media (max-width:1023px){
  :root{--gutter:20px;}
  .nav-wrap{height:64px;padding:0 20px;gap:14px;}
  .nav-links{display:none;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .split{grid-template-columns:1fr;gap:36px;}
  .side-card{position:static;}
  .stats{grid-template-columns:repeat(3,1fr);}
  .footer-main{grid-template-columns:repeat(2,1fr);gap:36px;padding:56px 0 36px;}
  .hero-banner{min-height:380px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .wrap{padding:0 16px;}
  .hero-banner .wrap{padding:56px 16px;}
  .hero-banner{min-height:340px;}
  .hero-banner .hero-search{height:48px;}
  .hero-banner .hero-search .nav-search__btn{height:38px;padding:0 16px;font-size:13px;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .cta-bar{padding:32px 24px;border-radius:var(--r-l);}
  .cta-bar .btn{width:100%;}
  .footer-main{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:520px){
  .brand__name{font-size:17px;}
  .hero-banner h1{font-size:26px;}
  .hero-banner .hero-sub{font-size:15px;}
  .step{padding:22px 18px;}
  .faq-q{padding:18px;font-size:16px;}
  table.compare thead th,table.compare tbody td,table.compare tbody th{padding:14px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}