/* roulang page: index */
:root{
  --c-brand-50:#E9F9F2;
  --c-brand-100:#CFF2E4;
  --c-brand-300:#6FD9B4;
  --c-brand-500:#12B886;
  --c-brand-600:#0E9E73;
  --c-brand-700:#0A7D5C;
  --c-brand-900:#063B2C;
  --c-accent-400:#FFB020;
  --c-accent-500:#FF7A2F;
  --c-accent-600:#E85D04;
  --c-ink-900:#0B1A17;
  --c-ink-700:#2C3A36;
  --c-ink-500:#5B6B66;
  --c-line:#E3EAE7;
  --c-bg:#F7F9F8;
  --c-surface:#FFFFFF;
  --c-dark:#08211C;
  --g-brand:linear-gradient(135deg,#12B886 0%,#0A7D5C 100%);
  --g-promo:linear-gradient(120deg,#FF7A2F 0%,#FFB020 100%);
  --g-hero:linear-gradient(160deg,rgba(6,59,44,.92) 0%,rgba(10,125,92,.78) 55%,rgba(8,33,28,.94) 100%);
  --shadow-card:0 1px 2px rgba(11,26,23,.04),0 14px 34px -14px rgba(11,26,23,.14);
  --shadow-soft:0 1px 2px rgba(11,26,23,.04),0 8px 20px -12px rgba(11,26,23,.10);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-700);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
.section{padding:64px 0;position:relative;}
@media (min-width:1024px){.section{padding:108px 0;}}
.section-tight{padding:48px 0;}
@media (min-width:1024px){.section-tight{padding:72px 0;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--c-brand-700);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:999px;background:var(--g-brand);}
.section-title{
  font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:800;letter-spacing:-.01em;color:var(--c-ink-900);
}
.section-sub{font-size:15px;color:var(--c-ink-500);max-width:640px;margin-top:12px;}
.section-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:36px;}
@media (min-width:1024px){.section-head{margin-bottom:52px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--shadow-soft);border-radius:999px;}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 2px 4px rgba(11,26,23,.06),0 18px 34px -14px rgba(10,125,92,.45);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);border-radius:999px;}
.btn-ghost:hover{background:#fff;color:var(--c-ink-900);border-color:#fff;transform:translateY(-1px);}
.btn-secondary{background:#fff;color:var(--c-ink-900);border-color:var(--c-line);border-radius:999px;}
.btn-secondary:hover{background:var(--c-brand-50);border-color:var(--c-brand-300);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-brand-700);
  transition:transform .24s var(--ease);
}
.btn-text:hover{text-decoration:underline;text-underline-offset:3px;transform:translateX(2px);}
.btn-block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;filter:saturate(.6);transform:none;box-shadow:none;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent-500);outline-offset:2px;
}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;line-height:1.6;
}
.badge-accent{background:var(--g-promo);color:#fff;}
.badge-brand{background:var(--c-brand-50);color:var(--c-brand-700);}
.badge-dark{background:rgba(8,33,28,.62);color:#fff;border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;display:flex;align-items:center;
  background:rgba(255,255,255,.10);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),height .24s var(--ease);
  --nav-fg:#fff;
  --nav-sub:rgba(255,255,255,.72);
}
.site-header.is-scrolled{
  background:var(--c-surface);
  border-bottom-color:var(--c-line);
  box-shadow:var(--shadow-card);
  --nav-fg:var(--c-ink-900);
  --nav-sub:var(--c-ink-500);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--g-brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 6px 16px -8px rgba(10,125,92,.8);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--nav-fg);
  transition:color .24s var(--ease);white-space:nowrap;
}
.nav-links{display:none;align-items:center;gap:30px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--nav-fg);
  padding:6px 0;transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;border-radius:2px;
  background:var(--g-brand);transition:left .26s var(--ease),right .26s var(--ease);
}
.nav-link:hover::after,.nav-link.active::after{left:0;right:0;}
.site-header .nav-link:hover{color:var(--c-brand-300);}
.site-header.is-scrolled .nav-link:hover{color:var(--c-brand-700);}
.site-header.is-scrolled .nav-link.active{color:var(--c-brand-700);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);color:var(--nav-fg);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled .icon-btn{background:#fff;border-color:var(--c-line);}
.icon-btn:hover{border-color:var(--c-brand-300);color:var(--c-brand-700);}
.nav-cta{display:none;}
@media (min-width:768px){.nav-cta{display:inline-flex;}}
.menu-btn{display:inline-flex;}
@media (min-width:1024px){.menu-btn{display:none;}}
.icon-btn svg{width:20px;height:20px;}
.mobile-drawer{
  position:fixed;top:72px;left:0;right:0;z-index:55;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--c-line);
  border-radius:0 0 24px 24px;
  box-shadow:var(--shadow-card);
  padding:12px 16px 24px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.mobile-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;font-weight:700;color:var(--c-ink-900);
  border-bottom:1px solid var(--c-line);
}
.drawer-link:last-of-type{border-bottom:none;}
.drawer-link span{color:var(--c-ink-500);font-weight:500;font-size:13px;}
.drawer-cta{margin-top:16px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-dark);}
.hero-bg{
  position:absolute;inset:0;
  background-image:var(--g-hero),url('/assets/images/backpic/back-1.png');
  background-size:cover,cover;
  background-position:center,center;
}
.hero-inner{
  position:relative;z-index:2;
  padding-top:120px;padding-bottom:56px;
  display:grid;gap:40px;
}
@media (min-width:1024px){
  .hero-inner{padding-top:150px;padding-bottom:96px;grid-template-columns:repeat(12,1fr);gap:48px;align-items:center;min-height:580px;}
  .hero-left{grid-column:span 6;}
  .hero-right{grid-column:span 6;}
}
.hero-badge{margin-bottom:18px;}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);line-height:1.2;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.86);margin-top:18px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-actions .btn{flex:1 1 auto;}
@media (min-width:640px){.hero-actions .btn{flex:0 0 auto;}}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-stat{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:12.5px;backdrop-filter:blur(4px);
}
.hero-stat b{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-brand-300);letter-spacing:.01em;}
.hero-right{position:relative;}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.6);
  transform:rotate(-2.5deg);
  background:linear-gradient(140deg,#0A7D5C,#08211C);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.94;}
.hero-float{
  position:absolute;right:14px;bottom:14px;
  background:rgba(8,33,28,.82);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:12px 16px;backdrop-filter:blur(8px);
  color:#fff;
}
.hero-float span{display:block;font-size:12.5px;color:rgba(255,255,255,.68);}
.hero-float b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--c-brand-300);letter-spacing:.01em;}
.hero-tag{
  position:absolute;left:-10px;top:22px;
  background:#fff;color:var(--c-brand-700);
  border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:700;
  box-shadow:var(--shadow-card);
}

/* ---------- 数据徽章带 ---------- */
.stat-band{
  position:relative;z-index:3;margin-top:-30px;
}
@media (min-width:1024px){.stat-band{margin-top:-46px;}}
.stat-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:22px 24px 22px 28px;box-shadow:var(--shadow-card);
  overflow:hidden;
}
.stat-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--g-promo);}
.stat-card span{display:block;font-size:12.5px;color:var(--c-ink-500);}
.stat-card b{display:block;font-size:22px;font-weight:800;color:var(--c-brand-700);font-variant-numeric:tabular-nums;letter-spacing:.01em;margin-top:4px;}

/* ---------- 阶梯 ---------- */
.ladder{display:flex;flex-direction:column;gap:20px;}
.step-card{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-soft);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
@media (min-width:1024px){
  .step-card{padding:32px;flex-wrap:nowrap;}
  .ladder .step-card:nth-child(2){margin-left:16px;}
  .ladder .step-card:nth-child(3){margin-left:32px;}
}
.step-num{
  width:46px;height:46px;flex:0 0 46px;border-radius:999px;background:var(--g-brand);
  color:#fff;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-body{flex:1 1 240px;min-width:0;}
.step-body h3{font-size:20px;font-weight:700;color:var(--c-ink-900);}
.step-body p{font-size:14.5px;color:var(--c-ink-500);margin-top:6px;}
.step-card.featured{background:var(--c-brand-50);border:2px solid var(--c-brand-500);}
.step-side{display:inline-flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* ---------- 矩阵 ---------- */
.matrix-scroll{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);
  box-shadow:var(--shadow-card);scroll-snap-type:x proximity;
}
.matrix-table{width:100%;min-width:680px;border-collapse:collapse;font-size:14.5px;}
.matrix-table th,.matrix-table td{padding:0 22px;height:56px;text-align:left;border-bottom:1px solid var(--c-line);white-space:nowrap;}
.matrix-table tbody tr:nth-child(even){background:#FBFDFC;}
.matrix-table tbody tr:last-child th,.matrix-table tbody tr:last-child td{border-bottom:none;}
.matrix-table th.row-head{
  position:sticky;left:0;z-index:2;background:var(--c-surface);
  font-weight:700;color:var(--c-ink-900);min-width:170px;
  box-shadow:1px 0 0 var(--c-line);
}
.matrix-table thead th{
  background:var(--c-surface);font-size:13px;color:var(--c-ink-500);font-weight:700;
  height:64px;border-bottom:1px solid var(--c-line);
}
.matrix-table thead th.rec{color:var(--c-brand-700);}
.matrix-table col.rec-col,.matrix-table .rec-col{background:var(--c-brand-50);}
.matrix-table th.rec-col,.matrix-table td.rec-col{position:relative;}
.matrix-table thead th.rec-col::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--g-brand);
}
.cell-yes,.cell-no{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:999px;}
.cell-yes{background:var(--c-brand-50);color:var(--c-brand-700);}
.cell-no{background:#F2F4F3;color:#9AA8A3;}
.cell-yes svg,.cell-no svg{width:14px;height:14px;}
.rec-tag{position:absolute;top:10px;right:16px;}

/* ---------- 促销横幅 ---------- */
.promo{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--g-promo);color:#fff;padding:28px;
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.promo{padding:34px 40px;}}
.promo::after{
  content:"";position:absolute;right:-60px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.18);filter:blur(6px);animation:breathe 1.6s ease-in-out infinite alternate;
}
@keyframes breathe{from{opacity:.45;transform:scale(.96);}to{opacity:.85;transform:scale(1.04);}}
.promo-copy{position:relative;z-index:2;max-width:520px;}
.promo-copy h3{font-size:clamp(18px,2.2vw,24px);font-weight:800;color:#fff;line-height:1.4;}
.promo-copy p{font-size:14.5px;color:rgba(255,255,255,.92);margin-top:6px;}
.countdown{position:relative;z-index:2;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.count-box{
  min-width:62px;padding:10px 12px;border-radius:12px;
  background:rgba(8,33,28,.55);border:1px solid rgba(255,255,255,.16);
  text-align:center;color:#fff;backdrop-filter:blur(6px);
}
.count-box b{display:block;font-size:24px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.count-box span{font-size:12px;color:rgba(255,255,255,.7);}
.count-sep{font-size:20px;font-weight:800;color:rgba(255,255,255,.7);}
.promo .btn-secondary{position:relative;z-index:2;}

/* ---------- 表单 ---------- */
.consult-grid{display:grid;gap:36px;grid-template-columns:1fr;}
@media (min-width:1024px){.consult-grid{grid-template-columns:5fr 7fr;gap:56px;align-items:start;}}
.point-list{display:flex;flex-direction:column;gap:20px;margin-top:28px;}
.point{display:flex;gap:14px;align-items:flex-start;}
.point-ico{
  width:40px;height:40px;flex:0 0 40px;border-radius:14px;background:var(--c-brand-50);
  color:var(--c-brand-700);display:inline-flex;align-items:center;justify-content:center;
}
.point-ico svg{width:20px;height:20px;}
.point h3{font-size:16px;font-weight:700;color:var(--c-ink-900);}
.point p{font-size:14px;color:var(--c-ink-500);margin-top:2px;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.form-card{padding:34px;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--c-ink-700);margin-bottom:8px;}
.field .req{color:var(--c-accent-600);}
.input,.select,.textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-900);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.textarea{min-height:112px;resize:vertical;line-height:1.7;}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--c-brand-500);box-shadow:0 0 0 4px rgba(18,184,134,.15);
}
.input.err,.select.err,.textarea.err{border-color:#E5484D;}
.err-text{display:none;font-size:12.5px;color:#E5484D;margin-top:6px;}
.err-text.show{display:block;}
.field-row{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:640px){.field-row{grid-template-columns:1fr 1fr;}}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-ink-500);}
.check-line input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-brand-500);}
.form-note{font-size:12.5px;color:var(--c-ink-500);margin-top:14px;text-align:center;}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
  background:var(--c-brand-50);color:var(--c-brand-700);font-size:14px;font-weight:600;
}
.form-ok.show{display:block;}

/* ---------- 资讯卡 ---------- */
.news-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:20px;
  box-shadow:var(--shadow-soft);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--g-brand);
  transition:width .3s var(--ease);z-index:3;
}
.news-card:hover::before{width:100%;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
.news-cover{position:relative;overflow:hidden;border-radius:16px;margin:14px 14px 0;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-cover .badge{position:absolute;left:10px;top:10px;}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;font-weight:700;color:var(--c-ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--c-ink-500);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--c-ink-500);
}
.news-meta .arrow{display:inline-flex;color:var(--c-brand-700);transition:transform .24s var(--ease);}
.news-card:hover .news-meta .arrow{transform:translateX(3px);}
.empty-state{
  border:1.5px dashed var(--c-line);border-radius:20px;padding:52px 24px;text-align:center;background:var(--c-surface);
}
.empty-state svg{width:36px;height:36px;color:var(--c-brand-300);margin:0 auto 14px;}
.empty-state p{font-size:14.5px;color:var(--c-ink-500);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  overflow:hidden;transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:700;color:var(--c-ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 22px;width:22px;height:22px;border-radius:999px;
  background:var(--c-brand-50);position:relative;
  transition:transform .2s var(--ease),background-color .24s var(--ease);
}
.faq-item summary::before{
  content:"";position:absolute;right:29px;width:10px;height:2px;border-radius:2px;background:var(--c-brand-700);
}
.faq-item[open]{background:var(--c-brand-50);border-color:var(--c-brand-100);}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--c-brand-100);}
.faq-item .faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-700);}

/* ---------- CTA ---------- */
.cta-bar{
  position:relative;overflow:hidden;background:var(--c-dark);border-radius:28px;
  padding:34px 26px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  box-shadow:0 0 0 1px rgba(255,255,255,.08);
}
@media (min-width:1024px){.cta-bar{padding:48px 56px;}}
.cta-bar::before{
  content:"";position:absolute;left:-80px;bottom:-100px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,184,134,.28),transparent 68%);
}
.cta-bar h2{position:relative;z-index:2;font-size:clamp(20px,2.4vw,28px);font-weight:800;color:#fff;line-height:1.4;}
.cta-bar p{position:relative;z-index:2;font-size:14.5px;color:rgba(255,255,255,.72);margin-top:8px;max-width:520px;}
.cta-bar .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);color:rgba(255,255,255,.72);
  border-radius:32px 32px 0 0;margin-top:64px;padding:64px 0 28px;
}
@media (min-width:1024px){.site-footer{padding:80px 0 32px;}}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:44px;}}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;margin-top:16px;max-width:320px;color:rgba(255,255,255,.68);}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-badges span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;
}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;padding-bottom:12px;margin-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease);}
.footer-col a:hover{color:var(--c-brand-300);transform:translateX(2px);}
.footer-col li span{font-size:14px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom p{max-width:760px;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --c-brand-50:#E9F9F2;
  --c-brand-100:#CFF2E4;
  --c-brand-300:#6FD9B4;
  --c-brand-500:#12B886;
  --c-brand-600:#0E9E73;
  --c-brand-700:#0A7D5C;
  --c-brand-900:#063B2C;
  --c-accent-400:#FFB020;
  --c-accent-500:#FF7A2F;
  --c-accent-600:#E85D04;
  --c-ink-900:#0B1A17;
  --c-ink-700:#2C3A36;
  --c-ink-500:#5B6B66;
  --c-line:#E3EAE7;
  --c-bg:#F7F9F8;
  --c-surface:#FFFFFF;
  --c-dark:#08211C;
  --g-brand:linear-gradient(135deg,#12B886 0%,#0A7D5C 100%);
  --g-promo:linear-gradient(120deg,#FF7A2F 0%,#FFB020 100%);
  --g-hero:linear-gradient(160deg,rgba(6,59,44,.92) 0%,rgba(10,125,92,.78) 55%,rgba(8,33,28,.94) 100%);
  --shadow:0 1px 2px rgba(11,26,23,.04),0 14px 34px -14px rgba(11,26,23,.14);
  --shadow-lg:0 2px 6px rgba(11,26,23,.06),0 26px 50px -20px rgba(11,26,23,.22);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
.site-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-700);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;color:var(--c-ink-900);line-height:1.3;letter-spacing:-.01em;}
.site-body p{margin:0;}
.site-body a{color:inherit;text-decoration:none;}
.site-body img{display:block;max-width:100%;}
.site-body button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
.site-body ul,.site-body ol{margin:0;}
.site-body :focus-visible{outline:2px solid var(--c-accent-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.10);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-solid{
  background:var(--c-surface);
  border-bottom-color:var(--c-line);
  box-shadow:var(--shadow);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
@media(max-width:767px){.header-inner{height:60px;}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--g-brand);
  display:grid;place-items:center;color:#fff;box-shadow:0 6px 16px -6px rgba(10,125,92,.65);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:#fff;transition:color .24s var(--ease);white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:30px;margin:0 auto;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.92);transition:color .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;border-radius:2px;
  background:currentColor;transform:translateX(-50%);transition:width .24s var(--ease);
}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-link:hover{color:var(--c-brand-300);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  color:#fff;transition:background .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.16);}
.icon-btn svg{width:20px;height:20px;}
.menu-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.16);}
.menu-btn svg{width:22px;height:22px;}
@media(min-width:1024px){.menu-btn{display:none;}}
.site-header.is-solid .brand-text,
.site-header.is-solid .nav-link,
.site-header.is-solid .icon-btn,
.site-header.is-solid .menu-btn{color:var(--c-ink-900);}
.site-header.is-solid .nav-link:hover{color:var(--c-brand-700);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:0 10px 24px -12px rgba(10,125,92,.75);}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 16px 32px -14px rgba(10,125,92,.85);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--c-ink-900);border-color:#fff;transform:translateY(-1px);}
.btn-secondary{background:var(--c-surface);color:var(--c-ink-900);border:1px solid var(--c-line);}
.btn-secondary:hover{background:var(--c-brand-50);border-color:var(--c-brand-300);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-brand-700);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.text-link:hover{color:var(--c-brand-600);transform:translateX(2px);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;top:0;left:0;right:0;z-index:110;
  padding:84px 20px 28px;border-radius:0 0 var(--r-lg) var(--r-lg);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-lg);
  transform:translateY(-110%);
  transition:transform .3s var(--ease);
}
.mobile-drawer.open{transform:translateY(0);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;color:var(--c-ink-900);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.active{color:var(--c-brand-700);}
.drawer-cta{margin-top:24px;width:100%;}
@media(min-width:1024px){.mobile-drawer{display:none;}}

/* ---------- 文章标题带 ---------- */
.article-hero{
  position:relative;
  padding:132px 0 58px;
  background-image:var(--g-hero),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  color:#fff;
}
@media(max-width:767px){.article-hero{padding:104px 0 44px;}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12.5px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumbs a{color:rgba(255,255,255,.78);transition:color .2s var(--ease);}
.crumbs a:hover{color:var(--c-brand-300);}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:#fff;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  line-height:1.28;
  max-width:900px;
  word-break:break-word;
}
.article-lead{
  margin-top:16px;
  font-size:15px;
  color:rgba(255,255,255,.82);
  max-width:760px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:12.5px;color:rgba(255,255,255,.78);}
.article-meta .dot{opacity:.5;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.01em;font-variant-numeric:tabular-nums;
}
.badge-brand{background:rgba(233,249,242,.94);color:var(--c-brand-700);}
.badge-promo{background:var(--g-promo);color:#fff;}

/* ---------- 正文布局 ---------- */
.article-section{padding:64px 0 72px;}
@media(min-width:1024px){.article-section{padding:96px 0 104px;}}
.article-layout{
  display:grid;grid-template-columns:1fr;gap:32px;
  max-width:900px;margin:0 auto;
}
@media(min-width:1024px){
  .article-layout.has-toc{grid-template-columns:220px minmax(0,760px);justify-content:center;max-width:none;gap:56px;}
}
.toc-card{display:none;}
.toc-card.is-visible{display:block;position:sticky;top:104px;align-self:start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow);}
.toc-title{font-size:13px;font-weight:800;color:var(--c-ink-900);letter-spacing:.06em;margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  position:relative;display:block;padding:8px 10px 8px 12px;font-size:13.5px;line-height:1.5;
  color:var(--c-ink-500);border-radius:10px;transition:color .2s var(--ease),background-color .2s var(--ease);
}
.toc-link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;
  background:transparent;transition:background-color .2s var(--ease);
}
.toc-link:hover{color:var(--c-brand-700);background:var(--c-brand-50);}
.toc-link.active{color:var(--c-brand-700);font-weight:700;background:var(--c-brand-50);}
.toc-link.active::before{background:var(--c-brand-500);}
@media(max-width:1023px){.toc-card{display:none !important;}}

.article-body{font-size:16.5px;line-height:1.9;color:var(--c-ink-700);word-break:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;font-size:24px;font-weight:800;color:var(--c-ink-900);
  margin:40px 0 16px;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:2px;background:var(--g-brand);
}
.article-body h3{font-size:19px;font-weight:700;color:var(--c-ink-900);margin:28px 0 12px;line-height:1.45;}
.article-body h4{font-size:17px;font-weight:700;color:var(--c-ink-900);margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin:0 0 8px;}
.article-body ul li::marker{color:var(--c-brand-500);}
.article-body ol li::marker{color:var(--c-brand-500);font-weight:700;}
.article-body blockquote{
  margin:20px 0;padding:20px 22px;background:var(--c-brand-50);
  border-left:4px solid var(--c-brand-300);border-radius:12px;color:var(--c-ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;box-shadow:var(--shadow);margin:22px 0;}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-500);margin-top:10px;}
.article-body a{color:var(--c-brand-700);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-brand-600);}
.article-body pre{
  background:var(--c-dark);color:#fff;border-radius:14px;padding:20px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0;
}
.article-body code{
  background:var(--c-dark);color:#fff;border-radius:8px;padding:2px 7px;
  font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:transparent;padding:0;border-radius:0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--c-brand-50);font-weight:700;color:var(--c-ink-900);}

/* ---------- 空态 ---------- */
.empty-state{
  border:1.5px dashed var(--c-line);border-radius:20px;background:var(--c-surface);
  padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;background:var(--c-brand-50);
  display:grid;place-items:center;color:var(--c-brand-700);
}
.empty-state .empty-icon svg{width:26px;height:26px;}
.empty-state h2{font-size:18px;font-weight:800;margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--c-ink-500);margin-bottom:22px;}

/* ---------- 标签 ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:24px;border-top:1px solid var(--c-line);}
.article-tags .label{font-size:13px;font-weight:700;color:var(--c-ink-500);margin-right:4px;align-self:center;}
.tag-pill{
  display:inline-block;padding:6px 14px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);font-size:13px;color:var(--c-ink-700);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.tag-pill:hover{background:var(--c-brand-50);border-color:var(--c-brand-300);color:var(--c-brand-700);}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:40px;}
@media(min-width:768px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav-card{
  display:flex;flex-direction:column;gap:8px;padding:22px 24px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--c-brand-300);}
.post-nav-card .pn-dir{font-size:12.5px;color:var(--c-ink-500);}
.post-nav-card .pn-title{font-size:16px;font-weight:700;color:var(--c-ink-900);line-height:1.5;}
.post-nav-card .pn-arrow{font-size:14px;font-weight:700;color:var(--c-brand-700);transition:transform .24s var(--ease);}
.post-nav-card:hover .pn-arrow{transform:translateX(4px);}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;}
.section-head p{margin-top:8px;font-size:14px;color:var(--c-ink-500);}
.rec-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.rec-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.rec-grid{grid-template-columns:repeat(3,1fr);}}
.rec-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--c-brand-300);}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#12B886,#0A7D5C);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:22px 24px 26px;}
.rec-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px;}
.rec-body p{font-size:14px;color:var(--c-ink-500);line-height:1.75;}
.rec-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;color:var(--c-brand-700);}
.rec-card:hover .rec-more{gap:10px;}

/* ---------- CTA ---------- */
.cta-band{padding:8px 0 72px;}
@media(min-width:1024px){.cta-band{padding:8px 0 104px;}}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--c-dark);
  padding:40px 32px;display:flex;flex-direction:column;gap:24px;
  box-shadow:0 0 0 1px rgba(255,255,255,.08);
}
@media(min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 48px;}}
.cta-inner::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,184,134,.35) 0%,rgba(18,184,134,0) 70%);pointer-events:none;
}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.2vw,26px);font-weight:800;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:10px;max-width:560px;}
.cta-inner .btn{position:relative;z-index:1;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;overflow:hidden;
  transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--c-ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;line-height:1;color:var(--c-brand-600);
  transition:transform .2s var(--ease);flex-shrink:0;
}
.faq-item[open]{background:var(--c-brand-50);border-color:var(--c-brand-300);}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--c-brand-500);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-700);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);border-radius:32px 32px 0 0;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-badges span{
  padding:5px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(255,255,255,.08);color:var(--c-brand-300);
}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;padding-bottom:12px;margin-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a{color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--c-brand-300);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- 动效纪律 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category1 */
:root{
  --c-brand-50:#E9F9F2;--c-brand-100:#CFF2E4;--c-brand-300:#6FD9B4;--c-brand-500:#12B886;
  --c-brand-600:#0E9E73;--c-brand-700:#0A7D5C;--c-brand-900:#063B2C;
  --c-accent-400:#FFB020;--c-accent-500:#FF7A2F;--c-accent-600:#E85D04;
  --c-ink-900:#0B1A17;--c-ink-700:#2C3A36;--c-ink-500:#5B6B66;
  --c-line:#E3EAE7;--c-bg:#F7F9F8;--c-surface:#FFFFFF;--c-dark:#08211C;
  --g-brand:linear-gradient(135deg,#12B886 0%,#0A7D5C 100%);
  --g-promo:linear-gradient(120deg,#FF7A2F 0%,#FFB020 100%);
  --g-hero:linear-gradient(160deg,rgba(6,59,44,.92) 0%,rgba(10,125,92,.78) 55%,rgba(8,33,28,.94) 100%);
  --shadow:0 1px 2px rgba(11,26,23,.04),0 14px 34px -14px rgba(11,26,23,.14);
  --shadow-lg:0 1px 2px rgba(11,26,23,.05),0 24px 48px -18px rgba(11,26,23,.22);
  --r-xl:28px;--r-lg:24px;--r-md:18px;--r-sm:14px;--r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-ink-700);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink-900);line-height:1.3;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{display:block}
:focus-visible{outline:2px solid var(--c-accent-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-alt{background:var(--c-surface);position:relative;overflow:hidden}
.section-alt::before{content:"";position:absolute;width:520px;height:520px;left:-180px;top:-160px;background:radial-gradient(circle,rgba(18,184,134,.07),transparent 70%);pointer-events:none}
.section-alt::after{content:"";position:absolute;width:460px;height:460px;right:-160px;bottom:-180px;background:radial-gradient(circle,rgba(255,122,47,.06),transparent 70%);pointer-events:none}
.section-alt>*{position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--r-pill);font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);white-space:nowrap}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:0 10px 24px -12px rgba(10,125,92,.7)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 30px -12px rgba(10,125,92,.78)}
.btn-secondary{background:var(--c-surface);color:var(--c-ink-900);border:1px solid var(--c-line)}
.btn-secondary:hover{background:var(--c-brand-50);border-color:var(--c-brand-300);transform:translateY(-1px)}
.btn-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.62)}
.btn-light:hover{background:#fff;color:var(--c-ink-900);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;filter:saturate(.6)}
.text-link{color:var(--c-brand-700);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:transform .22s var(--ease),color .22s var(--ease)}
.text-link:hover{color:var(--c-brand-500);transform:translateX(3px)}
.text-link svg{width:16px;height:16px}

/* ---------- 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700}
.tag-brand{background:var(--c-brand-50);color:var(--c-brand-700)}
.tag-promo{background:var(--g-promo);color:#fff}
.eyebrow-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-brand-50);color:var(--c-brand-700);font-size:12.5px;font-weight:700;margin-bottom:14px}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;height:72px;
  background:rgba(255,255,255,.10);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.site-header.is-scrolled{background:var(--c-surface);border-bottom-color:var(--c-line);box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--g-brand);color:#fff;display:grid;place-items:center;flex:none}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.site-header.is-scrolled .brand{color:var(--c-ink-900)}
.nav-links{display:none;align-items:center;gap:4px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:rgba(255,255,255,.88)}
.nav-link::after{content:"";position:absolute;left:50%;bottom:4px;height:2px;width:0;background:currentColor;
  transform:translateX(-50%);transition:width .24s var(--ease);border-radius:2px}
.nav-link:hover{color:var(--c-brand-300)}
.nav-link:hover::after,.nav-link.active::after{width:calc(100% - 28px)}
.nav-link.active{color:#fff}
.site-header.is-scrolled .nav-link{color:var(--c-ink-700)}
.site-header.is-scrolled .nav-link:hover{color:var(--c-brand-700)}
.site-header.is-scrolled .nav-link.active{color:var(--c-brand-700)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:42px;height:42px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.12);color:#fff;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
.icon-btn:hover{background:rgba(255,255,255,.24)}
.icon-btn svg{width:20px;height:20px}
.site-header.is-scrolled .icon-btn{color:var(--c-ink-900);border-color:var(--c-line);background:var(--c-surface)}
.site-header.is-scrolled .icon-btn:hover{background:var(--c-brand-50);border-color:var(--c-brand-300)}
.header-cta{display:none}
@media(min-width:768px){.header-cta{display:inline-flex}}
.menu-btn{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.12)}
.menu-btn span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;transition:background-color .22s var(--ease)}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .24s var(--ease),background-color .22s var(--ease)}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.site-header.is-scrolled .menu-btn{border-color:var(--c-line);background:var(--c-surface)}
.site-header.is-scrolled .menu-btn span,
.site-header.is-scrolled .menu-btn span::before,
.site-header.is-scrolled .menu-btn span::after{background:var(--c-ink-900)}
@media(min-width:1024px){.menu-btn{display:none}}
body.menu-open .menu-btn span{background:transparent}
body.menu-open .menu-btn span::before{transform:translateY(6px) rotate(45deg)}
body.menu-open .menu-btn span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{position:fixed;left:0;right:0;top:0;z-index:58;padding:84px 20px 24px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:0 0 24px 24px;box-shadow:var(--shadow-lg);transform:translateY(-105%);visibility:hidden;
  transition:transform .28s var(--ease),visibility .28s var(--ease)}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
@media(min-width:1024px){.mobile-drawer{display:none}}
.drawer-link{display:flex;align-items:center;height:56px;font-size:18px;font-weight:700;color:var(--c-ink-900);border-bottom:1px solid var(--c-line)}
.drawer-link.is-active{color:var(--c-brand-700)}
.drawer-foot{margin-top:22px}

/* ---------- 分类页 Hero ---------- */
.page-hero{position:relative;padding:calc(72px + 56px) 0 56px;min-height:300px;color:#fff;
  background-image:var(--g-hero),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 22%,rgba(255,122,47,.20),transparent 58%);pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--c-brand-300)}
.breadcrumb .current{color:rgba(255,255,255,.95)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);font-size:12.5px;font-weight:700;color:#fff;margin-bottom:16px}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;color:#fff;letter-spacing:-.02em;margin-bottom:14px}
.hero-sub{font-size:clamp(15px,1.6vw,17px);color:rgba(255,255,255,.86);max-width:620px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badge{display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);backdrop-filter:blur(6px)}
.hero-badge b{font-size:20px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.hero-badge span{font-size:12.5px;color:rgba(255,255,255,.84)}

/* ---------- 锚点条 ---------- */
.anchor-bar{position:sticky;top:72px;z-index:40;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.anchor-inner{display:flex;align-items:center;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-link{position:relative;padding:8px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--c-ink-500);white-space:nowrap;transition:color .22s var(--ease),background-color .22s var(--ease)}
.anchor-link:hover{color:var(--c-brand-700);background:var(--c-brand-50)}
.anchor-link.is-active{color:var(--c-brand-500)}
.anchor-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--c-brand-500);border-radius:2px}
@media(max-width:1023px){.anchor-bar{top:60px}}

/* ---------- 板块标题 ---------- */
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;margin-bottom:14px}
.section-desc{font-size:16px;color:var(--c-ink-500);line-height:1.85}
[id]{scroll-margin-top:140px}

/* ---------- 主轴 + 粘性侧栏 ---------- */
.layout{display:grid;gap:24px}
@media(min-width:1024px){.layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);align-items:start}}
.step-card{position:relative;display:grid;gap:20px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow);margin-bottom:20px;overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.step-card:last-child{margin-bottom:0}
.step-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--g-brand);transition:width .3s var(--ease)}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-card:hover::before{width:100%}
@media(min-width:768px){.step-card{grid-template-columns:224px minmax(0,1fr);align-items:center;padding:24px}}
.step-media{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(135deg,var(--c-brand-100),var(--c-brand-300))}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.step-card:hover .step-media img{transform:scale(1.03)}
.step-body h3{font-size:20px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step-index{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:var(--r-pill);
  background:var(--g-brand);color:#fff;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;flex:none}
.step-body p{font-size:15px;color:var(--c-ink-500);line-height:1.8}
.step-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.side-col{min-width:0}
.aside-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.aside-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.aside-card .aside-note{font-size:13px;color:var(--c-ink-500);margin-bottom:14px}
.aside-list li{display:flex;gap:10px;padding:11px 0;font-size:15px;color:var(--c-ink-700);border-bottom:1px dashed var(--c-line);line-height:1.7}
.aside-list li:last-child{border-bottom:0}
.aside-list svg{width:18px;height:18px;color:var(--c-brand-500);flex:none;margin-top:5px}
.aside-card .btn{margin-top:18px}
.sticky{position:sticky;top:148px}
@media(max-width:1023px){.sticky{position:static}}

/* ---------- 适用场景 ---------- */
.split{display:grid;gap:32px}
@media(min-width:1024px){.split{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start;gap:48px}}
.scene-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line)}
.scene-item:last-child{border-bottom:0}
.scene-num{flex:none;width:38px;height:38px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:var(--c-brand-50);color:var(--c-brand-700);font-weight:800;font-size:14px;font-variant-numeric:tabular-nums}
.scene-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.scene-item p{font-size:14.5px;color:var(--c-ink-500);line-height:1.8}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-dark);color:#fff;border-radius:var(--r-xl);
  padding:40px 28px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
@media(min-width:768px){.cta-band{padding:48px 44px}}
.cta-band::after{content:"";position:absolute;width:460px;height:460px;right:-140px;top:-200px;
  background:radial-gradient(circle,rgba(18,184,134,.30),transparent 70%);pointer-events:none}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:800;margin-bottom:10px}
.cta-copy p{color:rgba(255,255,255,.76);font-size:15px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;margin-bottom:12px;
  overflow:hidden;transition:background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item[open]{background:var(--c-brand-50);border-color:var(--c-brand-100);box-shadow:inset 3px 0 0 var(--c-brand-500)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:700;color:var(--c-ink-900);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;font-weight:700;color:var(--c-brand-600);line-height:1;
  transition:transform .22s var(--ease)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-700)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:72px;background:var(--c-dark);color:rgba(255,255,255,.72);
  border-radius:32px 32px 0 0;padding:64px 0 26px}
.footer-grid{display:grid;gap:40px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badges span{padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.82)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px solid rgba(255,255,255,.10)}
.footer-col ul li{margin-bottom:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:var(--c-brand-300);transform:translateX(2px)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.footer-bottom p{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.8}

@media(max-width:767px){
  .page-hero{padding:calc(60px + 44px) 0 44px}
  .site-header{height:60px}
  .step-card{padding:18px}
  .cta-band{padding:32px 22px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
html{scroll-behavior:smooth}

/* roulang page: category2 */
:root{
  --c-brand-50:#E9F9F2;
  --c-brand-100:#CFF2E4;
  --c-brand-300:#6FD9B4;
  --c-brand-500:#12B886;
  --c-brand-600:#0E9E73;
  --c-brand-700:#0A7D5C;
  --c-brand-900:#063B2C;
  --c-accent-400:#FFB020;
  --c-accent-500:#FF7A2F;
  --c-accent-600:#E85D04;
  --c-ink-900:#0B1A17;
  --c-ink-700:#2C3A36;
  --c-ink-500:#5B6B66;
  --c-line:#E3EAE7;
  --c-bg:#F7F9F8;
  --c-surface:#FFFFFF;
  --c-dark:#08211C;
  --g-brand:linear-gradient(135deg,#12B886 0%,#0A7D5C 100%);
  --g-promo:linear-gradient(120deg,#FF7A2F 0%,#FFB020 100%);
  --g-hero:linear-gradient(160deg,rgba(6,59,44,.92) 0%,rgba(10,125,92,.78) 55%,rgba(8,33,28,.94) 100%);
  --shadow-soft:0 1px 2px rgba(11,26,23,.04),0 14px 34px -14px rgba(11,26,23,.14);
  --shadow-deep:0 1px 2px rgba(11,26,23,.06),0 26px 52px -18px rgba(11,26,23,.22);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-700);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
::selection{background:rgba(18,184,134,.22);}
:focus-visible{outline:2px solid var(--c-accent-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.01em;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--shadow-soft);}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--shadow-deep);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--c-brand-900);border-color:#fff;transform:translateY(-1px);}
.btn-secondary{background:var(--c-surface);color:var(--c-ink-900);border-color:var(--c-line);}
.btn-secondary:hover{background:var(--c-brand-50);border-color:var(--c-brand-300);transform:translateY(-1px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand-700);font-weight:700;font-size:15px;transition:gap .22s var(--ease),color .22s var(--ease);}
.btn-link:hover{gap:10px;color:var(--c-brand-600);text-decoration:underline;text-underline-offset:3px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 顶部导航（玻璃沉浸） ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--shadow-soft);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--g-brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex:none;
  box-shadow:0 10px 22px -12px rgba(10,125,92,.85);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:#fff;transition:color .24s var(--ease);}
.site-header.scrolled .brand-text{color:var(--c-ink-900);}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.92);border-radius:10px;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--c-brand-300);transform:translateX(-50%);
  transition:width .26s var(--ease),background-color .24s var(--ease);
}
.nav-link:hover{color:var(--c-brand-300);}
.nav-link:hover::after{width:60%;}
.nav-link.active{color:#fff;}
.nav-link.active::after{width:60%;background:var(--c-accent-500);}
.site-header.scrolled .nav-link{color:var(--c-ink-700);}
.site-header.scrolled .nav-link:hover{color:var(--c-brand-700);}
.site-header.scrolled .nav-link:hover::after{background:var(--c-brand-500);}
.site-header.scrolled .nav-link.active{color:var(--c-brand-700);}
.site-header.scrolled .nav-link.active::after{background:var(--c-accent-500);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-links + .header-actions{margin-left:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.icon-btn svg{width:20px;height:20px;}
.icon-btn:hover{background:rgba(255,255,255,.24);}
.site-header.scrolled .icon-btn{border-color:var(--c-line);background:var(--c-surface);color:var(--c-ink-700);}
.site-header.scrolled .icon-btn:hover{background:var(--c-brand-50);color:var(--c-brand-700);}
.menu-toggle{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.menu-toggle svg{width:22px;height:22px;}
.site-header.scrolled .menu-toggle{border-color:var(--c-line);background:var(--c-surface);color:var(--c-ink-900);}
.mobile-drawer{
  position:absolute;top:100%;left:0;right:0;
  background:var(--c-surface);
  border-radius:0 0 24px 24px;
  box-shadow:var(--shadow-deep);
  padding:14px 16px 22px;
  display:none;
}
.mobile-drawer.open{display:block;animation:dropIn .24s var(--ease);}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-drawer a{
  display:flex;align-items:center;height:56px;padding:0 12px;border-radius:14px;
  font-size:18px;font-weight:700;color:var(--c-ink-900);
}
.mobile-drawer a.active{background:var(--c-brand-50);color:var(--c-brand-700);}
.mobile-drawer a:hover{background:var(--c-brand-50);}
.mobile-drawer .btn{width:100%;margin-top:12px;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .menu-toggle{display:none;}
  .mobile-drawer{display:none !important;}
}
@media(max-width:1023px){
  .header-inner{height:60px;}
  .header-actions .btn-primary{display:none;}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:var(--g-hero),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  color:#fff;
  padding:132px 0 64px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 320px at 88% 18%,rgba(255,122,47,.16),transparent 70%),
             radial-gradient(600px 360px at 6% 88%,rgba(18,184,134,.18),transparent 72%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:52px;}}
.pill-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--g-promo);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.22;font-weight:800;letter-spacing:-.02em;
  margin:18px 0 16px;color:#fff;
}
.hero-sub{font-size:clamp(15px,1.4vw,18px);line-height:1.75;color:rgba(255,255,255,.86);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 30px 60px -24px rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.16);
}
.hero-float{
  position:absolute;left:18px;bottom:-18px;
  background:var(--c-surface);color:var(--c-ink-900);
  border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--shadow-deep);
  display:flex;align-items:center;gap:14px;
}
.hero-float .k{font-size:12.5px;color:var(--c-ink-500);display:block;line-height:1.4;}
.hero-float .v{font-size:20px;color:var(--c-brand-700);line-height:1.3;}
@media(max-width:1023px){
  .hero{padding:104px 0 56px;}
  .hero-actions .btn{flex:1 1 220px;}
  .hero-float{position:static;margin-top:16px;}
}

/* ============ 模块通用 ============ */
.section{padding:64px 0;}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-head{max-width:720px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--c-brand-700);
  background:var(--c-brand-50);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:800;color:var(--c-ink-900);letter-spacing:-.01em;}
.section h2 .kw{color:var(--c-brand-700);}
.section-lead{margin-top:14px;font-size:16px;color:var(--c-ink-500);}
.grid-2{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr);}}
.grid-3{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}

/* ============ 数据徽章条 ============ */
.badge-strip{display:flex;gap:12px;overflow-x:auto;padding:6px 4px 14px;scroll-snap-type:x mandatory;}
.badge-strip::-webkit-scrollbar{height:6px;}
.badge-strip::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px;}
.stat-chip{
  flex:0 0 auto;min-width:190px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;
  padding:12px 22px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-soft);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.stat-chip:hover{transform:translateY(-2px);border-color:var(--c-brand-300);box-shadow:var(--shadow-deep);}
.stat-chip .v{font-size:20px;color:var(--c-brand-700);font-variant-numeric:tabular-nums;font-weight:800;}
.stat-chip .k{font-size:12.5px;color:var(--c-ink-500);}

/* ============ 交替图文 ============ */
.zig-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;margin-bottom:44px;}
@media(min-width:1024px){
  .zig-row{grid-template-columns:1fr 1fr;gap:56px;margin-bottom:64px;}
  .zig-row.reverse .zig-media{order:2;}
  .zig-row.reverse .zig-text{order:1;}
}
.zig-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);box-shadow:var(--shadow-soft);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.zig-media img:hover{transform:translateY(-4px);box-shadow:var(--shadow-deep);}
.zig-step{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  color:var(--c-brand-700);background:var(--c-brand-50);border-radius:999px;padding:5px 13px;
}
.zig-text h3{font-size:20px;font-weight:700;color:var(--c-ink-900);margin:14px 0 10px;}
.zig-text p{color:var(--c-ink-500);font-size:15.5px;line-height:1.85;}
.zig-list{margin-top:16px;display:grid;gap:8px;}
.zig-list li{display:flex;gap:10px;font-size:15px;color:var(--c-ink-700);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-brand-500);flex:none;margin-top:9px;}

/* ============ 时间轴 ============ */
.timeline-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:34px 26px;box-shadow:var(--shadow-soft);
}
@media(min-width:768px){.timeline-wrap{padding:44px 44px;}}
.timeline-list{position:relative;padding-left:30px;}
.timeline-list::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--c-line);border-radius:2px;}
.timeline-item{position:relative;padding-bottom:26px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:16px;height:16px;border-radius:50%;
  background:var(--g-brand);box-shadow:0 0 0 4px #fff,0 0 0 5px var(--c-line);
}
.timeline-item .stage{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.timeline-item .idx{
  font-size:12.5px;font-weight:800;color:var(--c-brand-700);
  background:var(--c-brand-50);border-radius:8px;padding:3px 9px;font-variant-numeric:tabular-nums;
}
.timeline-item h3{font-size:17px;font-weight:700;color:var(--c-ink-900);}
.timeline-item p{font-size:14.5px;color:var(--c-ink-500);margin-top:6px;}

/* ============ 要点矩阵 ============ */
.matrix-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:640px){.matrix-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.matrix-grid{grid-template-columns:repeat(3,1fr);}}
.matrix-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--shadow-soft);overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--g-brand);
  transition:width .3s var(--ease);
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-deep);border-color:var(--c-brand-300);}
.matrix-card:hover::before{width:100%;}
.matrix-card .m-idx{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;
  background:var(--c-brand-50);color:var(--c-brand-700);font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
}
.matrix-card h3{font-size:17px;font-weight:700;color:var(--c-ink-900);margin:14px 0 8px;}
.matrix-card p{font-size:14.5px;color:var(--c-ink-500);}

/* ============ 限时入口条 ============ */
.promo{
  background:var(--g-promo);border-radius:var(--r-lg);padding:28px;color:#fff;
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  box-shadow:var(--shadow-soft);position:relative;overflow:hidden;
}
@media(min-width:1024px){.promo{grid-template-columns:1fr auto;padding:32px 40px;}}
.promo::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(340px 200px at 12% 20%,rgba(255,255,255,.30),transparent 70%);
  animation:softGlow 1.6s ease-in-out infinite alternate;
}
@keyframes softGlow{from{opacity:.45;}to{opacity:.9;}}
.promo h2{font-size:clamp(20px,2vw,26px);font-weight:800;color:#fff;position:relative;z-index:2;}
.promo p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.92);position:relative;z-index:2;}
.countdown{display:flex;align-items:center;gap:8px;position:relative;z-index:2;}
.cd-box{
  width:56px;height:56px;border-radius:12px;background:rgba(8,33,28,.45);
  display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.cd-box .n{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1;}
.cd-box .u{font-size:11px;color:rgba(255,255,255,.72);line-height:1.2;}
.cd-sep{font-size:24px;font-weight:800;color:rgba(255,255,255,.85);}
.cd-btn{background:#fff;color:var(--c-accent-600);border-color:#fff;}
.cd-btn:hover{background:#fff;color:var(--c-accent-600);transform:translateY(-1px);}
@media(max-width:1023px){
  .countdown{flex-wrap:wrap;}
  .cd-btn{width:100%;margin-top:6px;}
}
@media(prefers-reduced-motion:reduce){
  .promo::after{animation:none;}
}

/* ============ 表单 ============ */
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-soft);
}
@media(min-width:768px){.form-card{padding:34px;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--c-ink-700);margin-bottom:8px;}
.field .req{color:var(--c-accent-600);margin-left:4px;}
.input,.textarea,.select{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-surface);padding:0 14px;font-size:15px;color:var(--c-ink-900);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.7;}
.input::placeholder,.textarea::placeholder{color:#9AA8A4;}
.input:focus,.textarea:focus,.select:focus{
  outline:none;border-color:var(--c-brand-500);box-shadow:0 0 0 4px rgba(18,184,134,.15);
}
.help{font-size:12.5px;color:var(--c-ink-500);margin-top:6px;}
.form-note{font-size:12.5px;color:var(--c-ink-500);margin:0 0 18px;}
.form-msg{
  display:none;margin-top:16px;border-radius:var(--r-sm);padding:12px 16px;font-size:14px;
  background:var(--c-brand-50);color:var(--c-brand-900);border:1px solid var(--c-brand-100);
}
.form-msg.show{display:block;}
.form-side li{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px;}
.form-side .ic{
  width:40px;height:40px;flex:none;border-radius:12px;background:var(--c-brand-50);color:var(--c-brand-700);
  display:inline-flex;align-items:center;justify-content:center;
}
.form-side .ic svg{width:20px;height:20px;}
.form-side h3{font-size:16px;font-weight:700;color:var(--c-ink-900);}
.form-side p{font-size:14px;color:var(--c-ink-500);margin-top:2px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  overflow:hidden;transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.open{background:var(--c-brand-50);border-color:var(--c-brand-100);box-shadow:inset 3px 0 0 var(--c-brand-500);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--c-ink-900);
}
.faq-q .sign{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--c-surface);color:var(--c-brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
  border:1px solid var(--c-line);transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.faq-item.open .faq-q .sign{transform:rotate(45deg);background:var(--c-brand-500);color:#fff;border-color:var(--c-brand-500);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-700);}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--c-dark);border-radius:28px;padding:34px 28px;color:#fff;
  display:grid;grid-template-columns:1fr;gap:22px;align-items:center;position:relative;overflow:hidden;
  box-shadow:0 0 0 1px rgba(255,255,255,.08);
}
@media(min-width:1024px){.cta-band{grid-template-columns:1fr auto;padding:44px 48px;}}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 240px at 82% 20%,rgba(18,184,134,.28),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);font-weight:800;color:#fff;position:relative;z-index:2;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.76);position:relative;z-index:2;}
.cta-band .actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}
@media(max-width:1023px){.cta-band .actions .btn{flex:1 1 200px;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);margin-top:56px;padding:64px 0 28px;}
@media(min-width:1024px){.site-footer{padding:80px 0 32px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;color:rgba(255,255,255,.7);max-width:320px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-badges span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.82);
}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;padding-bottom:12px;margin-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-col ul li{margin-bottom:10px;font-size:14px;}
.footer-col ul li a,.footer-col ul li span{color:rgba(255,255,255,.72);transition:color .22s var(--ease),transform .22s var(--ease);display:inline-block;}
.footer-col ul li a:hover{color:var(--c-brand-300);transform:translateX(2px);}
.footer-col .btn-primary{height:44px;padding:0 20px;font-size:14px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}
.footer-bottom p{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.8;}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--c-ink-500);}
.crumb a{color:var(--c-ink-500);}
.crumb a:hover{color:var(--c-brand-700);}
.crumb .sep{color:#B6C3BF;}
.crumb .cur{color:var(--c-ink-900);font-weight:600;}