/* roulang page: index */
:root{
  --ink:#12131A;
  --ink-2:#1C1E28;
  --paper:#F7F5F0;
  --surface:#EFEBE3;
  --lime:#C8F94E;
  --coral:#FF6A3D;
  --t1:#12131A;
  --t2:#5A5C66;
  --rev:#F7F5F0;
  --line:rgba(18,19,26,.10);
  --line-2:rgba(18,19,26,.18);
  --line-rev:rgba(247,245,240,.16);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:18px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,19,26,.04);
  --sh-2:0 14px 32px rgba(18,19,26,.09);
  --ease:cubic-bezier(.22,1,.36,1);
  --sec:96px;
  --wrap:1240px;
  --pad:40px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
.section{padding-top:var(--sec);padding-bottom:var(--sec);}
.section--tight{padding-top:calc(var(--sec) * .72);padding-bottom:calc(var(--sec) * .72);}
.section--surface{background:var(--surface);}
.section--ink{background:var(--ink);color:var(--rev);}

.grid-x{display:flex;flex-wrap:wrap;}
.grid-margin-x{margin-left:-16px;margin-right:-16px;}
.grid-margin-x>.cell{padding-left:16px;padding-right:16px;}

h1,.h1{
  font-size:clamp(34px,5.2vw,68px);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
}
h2,.h2{
  font-size:clamp(26px,3vw,42px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
}
h3,.h3{font-size:21px;font-weight:700;line-height:1.4;}
.lead{font-size:18px;color:var(--t2);line-height:1.8;}
.small{font-size:13px;line-height:1.6;color:var(--t2);}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--t2);
  text-transform:uppercase;
  margin-bottom:14px;
}
.sec-head h2{max-width:760px;}
.sec-link{
  flex:0 0 auto;
  font-size:15px;
  font-weight:700;
  padding-bottom:3px;
  border-bottom:1px solid var(--line-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.sec-link:hover{border-color:var(--ink);}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:52px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:800;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn .arw{transition:transform .2s var(--ease);display:inline-block;}
.btn--primary{background:var(--lime);color:var(--ink);}
.btn--primary:hover{background:var(--ink);color:var(--lime);}
.btn--primary:hover .arw{transform:translateX(4px);}
.btn--ghost{border-color:var(--line-2);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:var(--rev);border-color:var(--ink);}
.btn--ghost-rev{border-color:var(--line-rev);color:var(--rev);}
.btn--ghost-rev:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn--sm{height:42px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,106,61,.12);
  color:#C6461C;
  font-size:12px;
  font-weight:800;
  letter-spacing:.02em;
}
.badge--ink{background:rgba(18,19,26,.07);color:var(--t2);}

/* ---------- 顶部胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0 0;
  transition:padding .25s var(--ease);
}
.nav-pill{
  position:relative;
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  padding:0 12px 0 26px;
  border-radius:var(--r-pill);
  background:rgba(247,245,240,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:height .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled .nav-pill{
  height:60px;
  background:rgba(247,245,240,.92);
  border-color:var(--line-2);
  box-shadow:var(--sh-2);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:17px;
  font-weight:900;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,249,78,.28);}
.nav-menu{
  display:flex;
  align-items:center;
  gap:26px;
  margin:0 auto;
}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--t2);
  transition:color .2s var(--ease);
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-4px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime);
  transform:translateX(-50%) scale(0);
  transition:transform .2s var(--ease);
}
.nav-menu a:hover{color:var(--ink);}
.nav-menu a.active{color:var(--ink);font-weight:800;}
.nav-menu a.active::after{transform:translateX(-50%) scale(1);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:var(--rev);
  font-size:15px;
  font-weight:800;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-cta:hover{background:var(--lime);color:var(--ink);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--line-2);
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:12px;
  right:12px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span:nth-child(1){top:16px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:26px;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.mobile-panel{
  display:none;
  margin:12px auto 0;
  max-width:var(--wrap);
  padding:18px 22px 22px;
  border-radius:22px;
  background:rgba(247,245,240,.96);
  border:1px solid var(--line-2);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--sh-2);
}
.mobile-panel a{
  display:block;
  padding:13px 4px;
  font-size:16px;
  font-weight:600;
  border-bottom:1px solid var(--line);
  opacity:0;
  transform:translateY(-6px);
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel .nav-cta{justify-content:center;margin-top:14px;border-bottom:0;}
body.nav-open .mobile-panel{display:block;}
body.nav-open .mobile-panel a{animation:panelIn .28s var(--ease) forwards;}
body.nav-open .mobile-panel a:nth-child(1){animation-delay:.02s;}
body.nav-open .mobile-panel a:nth-child(2){animation-delay:.06s;}
body.nav-open .mobile-panel a:nth-child(3){animation-delay:.10s;}
body.nav-open .mobile-panel a:nth-child(4){animation-delay:.14s;}
body.nav-open .mobile-panel a:nth-child(5){animation-delay:.18s;}
body.nav-open .mobile-panel a:nth-child(6){animation-delay:.22s;}
@keyframes panelIn{to{opacity:1;transform:translateY(0);}}

/* ---------- 倒计时条 ---------- */
.countdown{
  margin-top:14px;
  background:var(--ink);
  color:var(--rev);
}
.countdown-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:54px;
  padding-top:8px;
  padding-bottom:8px;
}
.cd-label{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  white-space:nowrap;
}
.cd-label::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 4px rgba(255,106,61,.18);
}
.cd-clock{display:flex;align-items:center;gap:6px;margin-left:auto;}
.cd-unit{display:flex;align-items:baseline;gap:5px;}
.cd-num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:800;
  color:var(--lime);
  letter-spacing:.02em;
  display:inline-block;
}
.cd-num.is-tick{animation:tickUp .24s var(--ease);}
@keyframes tickUp{from{opacity:0;transform:translateY(7px);}to{opacity:1;transform:translateY(0);}}
.cd-txt{font-size:12px;color:rgba(247,245,240,.62);}
.cd-sep{width:1px;height:22px;background:var(--line-rev);margin:0 10px;}

/* ---------- Hero ---------- */
.hero{padding-top:64px;padding-bottom:var(--sec);}
.hero-copy .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-2);
  font-size:13px;
  font-weight:700;
  color:var(--t2);
  margin-bottom:26px;
}
.hero-copy h1{margin-bottom:22px;}
.hero-copy h1 em{font-style:normal;box-shadow:inset 0 -.32em 0 var(--lime);}
.hero-sub{font-size:18px;color:var(--t2);max-width:560px;margin-bottom:34px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-note{font-size:13px;color:var(--t2);}
.hero-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:var(--surface);
}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-media-tag{
  position:absolute;
  top:16px;
  left:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(18,19,26,.78);
  color:var(--rev);
  font-size:13px;
  font-weight:700;
  backdrop-filter:blur(6px);
}
.hero-points{margin-top:26px;}
.point{
  display:flex;
  gap:18px;
  padding:18px 0;
  border-top:1px solid var(--line);
}
.point:last-child{border-bottom:1px solid var(--line);}
.point-num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:800;
  line-height:1;
  color:var(--ink);
  opacity:.24;
  min-width:52px;
  padding-top:2px;
}
.point h3{font-size:17px;font-weight:800;margin-bottom:4px;}
.point p{font-size:14px;color:var(--t2);line-height:1.65;}

/* ---------- 图墙 ---------- */
.wall{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  grid-auto-rows:196px;
  gap:16px;
}
.wall-item{
  position:relative;
  margin:0;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-2);
}
.wall-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .22s var(--ease);
}
.wall-item figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:22px 22px 20px;
  background:linear-gradient(180deg,rgba(18,19,26,0) 0%,rgba(18,19,26,.86) 62%);
  color:var(--rev);
  opacity:0;
  transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.wall-item figcaption h3{font-size:17px;font-weight:800;margin-bottom:5px;color:var(--rev);}
.wall-item figcaption p{font-size:13px;line-height:1.6;color:rgba(247,245,240,.78);}
.wall-item:hover img{transform:scale(1.03);}
.wall-item:hover figcaption,
.wall-item:focus-within figcaption{opacity:1;transform:translateY(0);}
.wall-a{grid-column:span 3;grid-row:span 2;}
.wall-b{grid-column:span 3;}
.wall-c{grid-column:span 3;}
.wall-d{grid-column:span 2;}
.wall-e{grid-column:span 2;}
.wall-f{grid-column:span 2;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;
  padding:28px 24px 26px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--ink);
  color:var(--lime);
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:15px;
  font-weight:800;
  margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--t2);line-height:1.7;}
.step::after{
  content:"";
  position:absolute;
  top:47px;
  right:-12px;
  width:8px;
  height:8px;
  border-top:1.5px solid var(--line-2);
  border-right:1.5px solid var(--line-2);
  transform:rotate(45deg);
}
.steps .step:last-child::after{display:none;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line-rev);
  border-bottom:1px solid var(--line-rev);
}
.stat{
  padding:34px 26px;
  border-right:1px solid var(--line-rev);
}
.stat:last-child{border-right:0;}
.stat-num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.4vw,44px);
  font-weight:800;
  color:var(--lime);
  line-height:1.1;
  margin-bottom:8px;
}
.stat-label{font-size:14px;color:rgba(247,245,240,.7);}
.ink-intro{max-width:720px;margin-bottom:52px;}
.ink-intro h2{color:var(--rev);margin-bottom:16px;}
.ink-intro p{color:rgba(247,245,240,.72);}

/* ---------- 报名 CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--rev);
  border-radius:26px;
  padding:56px 48px;
}
.cta-band h2{color:var(--rev);margin-bottom:18px;}
.cta-band .cta-sub{color:rgba(247,245,240,.72);font-size:16px;margin-bottom:26px;}
.cta-list li{
  display:flex;
  gap:12px;
  padding:11px 0;
  font-size:15px;
  color:rgba(247,245,240,.82);
  border-top:1px solid var(--line-rev);
}
.cta-list li:first-child{border-top:0;}
.cta-list li::before{
  content:"";
  flex:0 0 auto;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--lime);
  margin-top:11px;
}
.signup-form .field{margin-bottom:18px;}
.signup-form label{
  display:block;
  font-size:13px;
  font-weight:700;
  color:rgba(247,245,240,.72);
  margin-bottom:8px;
}
.signup-form input[type="text"],
.signup-form input[type="tel"],
.signup-form select{
  width:100%;
  height:52px;
  padding:0 16px;
  border-radius:var(--r-sm);
  background:rgba(247,245,240,.06);
  border:1px solid var(--line-rev);
  color:var(--rev);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.signup-form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(247,245,240,.6) 50%),linear-gradient(135deg,rgba(247,245,240,.6) 50%,transparent 50%);background-position:calc(100% - 20px) 23px,calc(100% - 14px) 23px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.signup-form input::placeholder{color:rgba(247,245,240,.4);}
.signup-form input:focus,
.signup-form select:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(200,249,78,.18);
  background:rgba(247,245,240,.1);
}
.signup-form select option{background:var(--ink-2);color:var(--rev);}
.check{
  display:flex;
  align-items:flex-start;
  gap:11px;
  font-size:13px;
  color:rgba(247,245,240,.72);
  line-height:1.6;
  cursor:pointer;
}
.check input{position:absolute;opacity:0;width:0;height:0;}
.check .box{
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin-top:3px;
  border-radius:5px;
  border:1px solid var(--line-rev);
  position:relative;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.check input:checked + .box{background:var(--lime);border-color:var(--lime);}
.check input:checked + .box::after{
  content:"";
  position:absolute;
  left:5px;top:2px;
  width:5px;height:9px;
  border-right:2px solid var(--ink);
  border-bottom:2px solid var(--ink);
  transform:rotate(42deg);
}
.check input:focus-visible + .box{outline:2px solid var(--lime);outline-offset:2px;}
.form-note{margin-top:14px;font-size:13px;color:var(--coral);min-height:20px;}
.form-note.is-ok{color:var(--lime);}

/* ---------- FAQ ---------- */
.faq{margin-top:6px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 0;
  text-align:left;
  font-size:18px;
  font-weight:800;
  line-height:1.5;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#000;}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:24px;
  height:24px;
  border-radius:50%;
  border:1px solid var(--line-2);
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
  transition:background .18s var(--ease);
}
.faq-icon::before{left:6px;right:6px;top:11px;height:1.5px;}
.faq-icon::after{top:6px;bottom:6px;left:11px;width:1.5px;}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a p{
  padding:0 46px 18px 0;
  font-size:15.5px;
  line-height:1.8;
  color:var(--t2);
}

/* ---------- 最新信息 ---------- */
.news-list{align-items:stretch;}
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-2);}
.news-media{overflow:hidden;background:var(--surface);}
.news-media img{width:100%;height:100%;object-fit:cover;}
.news-lead .news-media img{aspect-ratio:16/10;}
.news-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.news-body .badge{align-self:flex-start;margin-bottom:14px;}
.news-body h3{margin-bottom:10px;}
.news-body p{font-size:14.5px;color:var(--t2);line-height:1.7;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--t2);
}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-2);}
.news-card:hover .news-underline{width:24px;}
.news-underline{
  display:block;
  width:0;
  height:2px;
  background:var(--lime);
  margin-top:14px;
  transition:width .22s var(--ease);
}
.news-row{
  display:flex;
  gap:16px;
  padding:18px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  margin-bottom:14px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-row .thumb{
  flex:0 0 96px;
  width:96px;height:76px;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--surface);
}
.news-row .thumb img{width:100%;height:100%;object-fit:cover;}
.news-row h3{font-size:16.5px;margin-bottom:6px;line-height:1.45;}
.news-row p{font-size:13.5px;color:var(--t2);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;}
.empty-state{
  border:1px dashed var(--line-2);
  border-radius:var(--r-lg);
  padding:52px 28px;
  text-align:center;
  background:rgba(255,255,255,.5);
}
.empty-state p{font-size:16px;color:var(--t2);margin-bottom:18px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--rev);
  padding-top:72px;
  margin-top:0;
}
.footer-top{border-bottom:1px solid var(--line-rev);padding-bottom:52px;}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:20px;
  font-weight:900;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.footer-desc{font-size:14.5px;color:rgba(247,245,240,.66);max-width:400px;line-height:1.75;}
.footer-title{font-size:14px;font-weight:800;letter-spacing:.08em;color:rgba(247,245,240,.5);margin-bottom:18px;}
.footer-links li{margin-bottom:11px;font-size:14.5px;}
.footer-links a{color:rgba(247,245,240,.82);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--lime);}
.footer-links span{color:rgba(247,245,240,.66);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  padding:26px 0 34px;
  font-size:13px;
  color:rgba(247,245,240,.5);
}
.footer-bottom a{color:rgba(247,245,240,.72);border-bottom:1px dotted rgba(247,245,240,.32);}
.footer-bottom a:hover{color:var(--lime);border-color:var(--lime);}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  :root{--sec:80px;--pad:32px;}
}
@media screen and (max-width:1023px){
  :root{--sec:72px;--pad:24px;}
  .nav-menu{display:none;}
  .nav-pill .nav-cta{display:none;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-pill{padding-right:8px;}
  .mobile-panel{display:none;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line-rev);}
  .cta-band{padding:44px 32px;}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px;}
  .wall-a{grid-column:span 2;grid-row:span 2;}
  .wall-b,.wall-c,.wall-d,.wall-e,.wall-f{grid-column:span 1;grid-row:span 1;}
}
@media screen and (max-width:767px){
  :root{--sec:56px;--pad:20px;}
  body{font-size:16px;}
  .site-header{padding-top:10px;}
  .nav-pill{height:62px;padding-left:18px;}
  .brand{font-size:16px;}
  .countdown{margin-top:10px;}
  .countdown-inner{flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:10px;}
  .cd-clock{margin-left:0;width:100%;justify-content:space-between;}
  .cd-num{font-size:21px;}
  .cd-sep{margin:0 4px;height:18px;}
  .hero{padding-top:44px;}
  .hero-sub{font-size:16.5px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .wall{grid-template-columns:1fr;grid-auto-rows:200px;}
  .wall-a{grid-column:span 1;grid-row:span 2;}
  .wall-item figcaption{opacity:1;transform:none;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line-rev);padding:26px 20px;}
  .stat:last-child{border-bottom:0;}
  .cta-band{padding:34px 22px;border-radius:20px;}
  .faq-q{font-size:16.5px;padding:18px 0;}
  .faq-a p{padding-right:0;}
  .news-row{flex-direction:column;gap:12px;}
  .news-row .thumb{width:100%;height:150px;flex:none;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:519px){
  .hero-actions .btn{width:100%;justify-content:center;}
  .cd-txt{font-size:11px;}
  .cd-num{font-size:19px;}
  .point-num{font-size:24px;min-width:44px;}
}

/* roulang page: article */
:root{
  --ink:#12131A;
  --ink-2:#1C1E28;
  --paper:#F7F5F0;
  --paper-2:#EFEBE3;
  --lime:#C8F94E;
  --coral:#FF6A3D;
  --text:#12131A;
  --text-2:#5A5C66;
  --line:rgba(18,19,26,.10);
  --line-strong:rgba(18,19,26,.20);
  --radius:16px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,19,26,.04);
  --shadow-2:0 14px 32px rgba(18,19,26,.09);
  --ease:cubic-bezier(.22,1,.36,1);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;background:transparent;}
img{max-width:100%;height:auto;display:block;border:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 40px;}
.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:14px;z-index:60;padding:0 24px;transition:top .2s var(--ease);}
.nav-pill{
  max-width:var(--wrap);margin:0 auto;display:flex;align-items:center;gap:8px;
  padding:12px 14px 12px 24px;
  border-radius:var(--radius-pill);
  background:rgba(247,245,240,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:padding .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.compact .nav-pill{
  padding:8px 12px 8px 20px;
  background:rgba(247,245,240,.92);
  border-color:var(--line-strong);
  box-shadow:0 10px 26px rgba(18,19,26,.08);
}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,249,78,.28);display:inline-block;}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-menu a{display:inline-flex;align-items:center;padding:9px 14px;border-radius:var(--radius-pill);font-size:15px;color:var(--text-2);transition:background .18s var(--ease),color .18s var(--ease);}
.nav-menu a:hover{color:var(--ink);background:rgba(18,19,26,.05);}
.nav-menu a.active{color:var(--ink);font-weight:700;}
.nav-menu a.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:7px;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;border-radius:var(--radius-pill);
  background:var(--ink);color:var(--paper);font-size:15px;font-weight:700;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-pill);border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{display:none;max-width:var(--wrap);margin:10px auto 0;padding:14px;border-radius:22px;background:rgba(247,245,240,.96);border:1px solid var(--line);box-shadow:var(--shadow-2);}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:12px 14px;border-radius:12px;font-size:16px;color:var(--text-2);opacity:0;transform:translateY(-6px);animation:panelIn .32s var(--ease) forwards;}
.mobile-panel a:hover{background:var(--paper-2);color:var(--ink);}
.mobile-panel a:nth-child(1){animation-delay:.02s}
.mobile-panel a:nth-child(2){animation-delay:.06s}
.mobile-panel a:nth-child(3){animation-delay:.10s}
.mobile-panel a:nth-child(4){animation-delay:.14s}
.mobile-panel a:nth-child(5){animation-delay:.18s}
.mobile-panel a:nth-child(6){animation-delay:.22s}
.mobile-panel .nav-cta{margin-top:10px;text-align:center;justify-content:center;color:var(--paper);animation-delay:.26s;}
@keyframes panelIn{to{opacity:1;transform:translateY(0);}}

/* ============ 面包屑与文章头 ============ */
.page-main{padding:44px 0 96px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:26px;}
.crumbs a{color:var(--text-2);transition:color .18s var(--ease);}
.crumbs a:hover{color:var(--ink);}
.crumbs .sep{opacity:.45;}
.crumbs .now{color:var(--ink);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero{border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:42px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:rgba(255,106,61,.12);color:#C1411B;
  font-size:13px;font-weight:700;letter-spacing:.01em;
}
.article-title{
  font-size:clamp(28px,3.6vw,48px);font-weight:900;letter-spacing:-.02em;line-height:1.16;
  margin:18px 0 18px;max-width:22em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-2);}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--text-2);opacity:.6;}

/* ============ 栅格容器 ============ */
.article-wrap .grid-x{margin-left:-14px;margin-right:-14px;}
.article-wrap .grid-x > .cell{padding-left:14px;padding-right:14px;}
@media (min-width:1024px){
  .article-wrap .cell.large-8{flex:0 0 66.66667%;max-width:66.66667%;}
  .article-wrap .cell.large-4{flex:0 0 33.33333%;max-width:33.33333%;}
}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:1.9;max-width:820px;}
.article-body > * + *{margin-top:1.15em;}
.article-body h2{
  font-size:clamp(22px,2.2vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.3;
  margin-top:2.1em;margin-bottom:.6em;scroll-margin-top:110px;position:relative;padding-top:14px;
}
.article-body h2::before{content:"";position:absolute;top:0;left:0;width:42px;height:4px;border-radius:99px;background:var(--lime);}
.article-body h3{font-size:21px;font-weight:700;margin-top:1.8em;margin-bottom:.5em;scroll-margin-top:110px;}
.article-body h4{font-size:18px;font-weight:700;margin-top:1.6em;}
.article-body p{margin-bottom:0;}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.5em 0;padding-left:.15em;}
.article-body li::marker{color:var(--coral);font-weight:700;}
.article-body strong{font-weight:700;}
.article-body a{color:var(--ink);border-bottom:1px dashed rgba(18,19,26,.4);padding:1px 2px;border-radius:3px;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);}
.article-body a:hover{background:var(--lime);color:var(--ink);border-bottom-color:var(--lime);}
.article-body img{border-radius:14px;margin:1.6em auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption,.article-body .caption{text-align:center;font-size:13px;color:var(--text-2);margin-top:10px;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:3px solid var(--lime);
  background:var(--paper-2);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2);font-size:16.5px;
}
.article-body blockquote p{margin:0;}
.article-body table{width:100%;margin:1.6em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper-2);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body code{background:var(--paper-2);border-radius:6px;padding:2px 6px;font-size:.92em;font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;}
.article-body pre{background:var(--ink-2);color:#EDEBE6;border-radius:14px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body pre code{background:none;color:inherit;padding:0;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
  padding:44px 30px;text-align:center;background:rgba(255,255,255,.5);
}
.empty-state h2{font-size:24px;font-weight:800;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px rgba(200,249,78,.35);}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px);}
.btn .arrow{transition:transform .2s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:22px;}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;
  padding:22px 22px 20px;box-shadow:var(--shadow-1);
}
.side-title{font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--text-2);text-transform:uppercase;margin-bottom:14px;}
.side-card .side-title{text-transform:none;letter-spacing:.02em;font-size:15px;color:var(--ink);}
.toc ol{counter-reset:toc;font-size:15px;}
.toc li{margin-bottom:2px;}
.toc a{display:block;padding:7px 0 7px 0;color:var(--text-2);border-left:2px solid transparent;padding-left:12px;line-height:1.55;transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);}
.toc a:hover{color:var(--ink);border-left-color:var(--lime);background:rgba(200,249,78,.10);}
.toc .toc-sub a{padding-left:26px;font-size:14px;}
.side-link-list li + li{border-top:1px solid var(--line);}
.side-link-list a{display:flex;gap:10px;padding:12px 0;font-size:15px;color:var(--text-2);transition:color .18s var(--ease),padding-left .18s var(--ease);}
.side-link-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);margin-top:9px;flex:0 0 6px;}
.side-link-list a:hover{color:var(--ink);padding-left:4px;}
.sticky-side{position:sticky;top:100px;}

/* ============ 文末与相关推荐 ============ */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.back-link{font-size:15px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.back-link:hover{color:#7A9A16;}
.related-block{margin-top:72px;}
.section-head{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between;margin-bottom:26px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em;}
.section-head p{font-size:14px;color:var(--text-2);}
.section-more{font-size:14px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line-strong);padding-bottom:2px;}
.section-more:hover{border-color:var(--ink);}
.related-list{display:flex;flex-direction:column;gap:14px;}
.related-bar{
  display:flex;align-items:center;gap:18px;
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:14px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.related-bar:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.related-thumb{flex:0 0 152px;border-radius:12px;overflow:hidden;}
.related-thumb img{width:152px;height:96px;object-fit:cover;border-radius:12px;transition:transform .22s var(--ease);}
.related-bar:hover .related-thumb img{transform:scale(1.04);}
.related-info h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:6px;}
.related-info .related-meta{font-size:13px;color:var(--text-2);display:flex;gap:8px;align-items:center;}

/* ============ FAQ ============ */
.faq-section{margin-top:84px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 2px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:#7A9A16;}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .18s var(--ease),background .18s var(--ease);}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg) scaleX(0);}
.faq-item.open .faq-icon::before{background:#7A9A16;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{padding:0 2px 20px;font-size:16px;line-height:1.8;color:var(--text-2);}

/* ============ CTA ============ */
.cta-band{margin-top:84px;background:var(--ink);color:var(--paper);border-radius:26px;padding:52px 48px;}
.cta-band .cta-inner{display:flex;flex-wrap:wrap;gap:34px;align-items:center;justify-content:space-between;}
.cta-band h2{font-size:clamp(24px,2.8vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.24;max-width:18em;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(247,245,240,.72);max-width:36em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-primary:hover{background:var(--paper);color:var(--ink);}
.cta-band .btn-ghost{border-color:rgba(247,245,240,.35);color:var(--paper);}
.cta-band .btn-ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}
.cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;}
.cta-points span{font-size:14px;color:rgba(247,245,240,.78);display:inline-flex;align-items:center;gap:8px;}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(247,245,240,.78);margin-top:96px;border-top:1px solid rgba(247,245,240,.10);}
.footer-top{display:flex;flex-wrap:wrap;margin:0 -14px;padding:64px 0 44px;}
.footer-top > .cell{padding:0 14px;margin-bottom:30px;}
.footer-brand{display:inline-flex;align-items:center;gap:9px;color:var(--paper);font-weight:800;font-size:19px;}
.footer-desc{margin-top:14px;font-size:14.5px;line-height:1.8;max-width:34em;color:rgba(247,245,240,.66);}
.footer-title{color:var(--paper);font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li{margin-bottom:10px;}
.footer-links a,.footer-links span{font-size:14.5px;color:rgba(247,245,240,.72);transition:color .18s var(--ease);}
.footer-links a:hover{color:var(--lime);}
.footer-bottom{border-top:1px solid rgba(247,245,240,.10);padding:20px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(247,245,240,.55);}
@media (min-width:1024px){
  .footer-top > .cell.large-5{flex:0 0 41.66667%;max-width:41.66667%;}
  .footer-top > .cell.large-4{flex:0 0 33.33333%;max-width:33.33333%;}
  .footer-top > .cell.large-3{flex:0 0 25%;max-width:25%;}
}

/* ============ 进场动画 ============ */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  .article-side{flex-direction:row;flex-wrap:wrap;margin-top:44px;}
  .article-side > .side-card{flex:1 1 300px;}
  .sticky-side{position:static;}
  .cta-band{padding:42px 32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .site-header{padding:0 14px;top:10px;}
  .nav-pill{padding:10px 10px 10px 18px;gap:6px;}
  .nav-menu{display:none;}
  .nav-pill > .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .page-main{padding:30px 0 68px;}
  .article-hero{padding-bottom:22px;margin-bottom:30px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .related-bar{align-items:flex-start;}
  .related-thumb{flex:0 0 110px;}
  .related-thumb img{width:110px;height:78px;}
  .related-info h3{font-size:15.5px;}
  .cta-band{padding:34px 22px;border-radius:20px;margin-top:64px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .faq-section{margin-top:60px;}
  .faq-q{font-size:16px;padding:17px 0;}
  .site-footer{margin-top:68px;}
  .footer-top{padding:48px 0 30px;}
  .article-side{flex-direction:column;}
}
@media (max-width:519px){
  .article-title{font-size:27px;}
  .related-bar{flex-direction:column;gap:12px;}
  .related-thumb{flex:0 0 auto;width:100%;}
  .related-thumb img{width:100%;height:160px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  [data-reveal]{opacity:1;transform:none;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --ink:#12131A;
  --ink-2:#1C1E28;
  --paper:#F7F5F0;
  --paper-2:#EFEBE3;
  --lime:#C8F94E;
  --coral:#FF6A3D;
  --text:#12131A;
  --muted:#5A5C66;
  --line:rgba(18,19,26,.10);
  --line-strong:rgba(18,19,26,.18);
  --r-sm:12px;
  --r:16px;
  --r-lg:18px;
  --r-xl:20px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(18,19,26,.04);
  --sh-2:0 14px 32px rgba(18,19,26,.09);
  --ease:cubic-bezier(.22,1,.36,1);
  --sect:96px;
  --mono:ui-monospace,"SFMono-Regular","Menlo","Consolas",monospace;
}
@media (max-width:1023px){:root{--sect:72px}}
@media (max-width:767px){:root{--sect:56px}}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.16;font-weight:800;letter-spacing:-.01em}
p{margin:0}
figure{margin:0}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;padding:0}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
::selection{background:var(--lime);color:var(--ink)}

/* ============ 容器与栅格修正 ============ */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 25px}
@media (max-width:1023px){.container{padding:0 9px}}
@media (max-width:767px){.container{padding:0 5px}}

.grid-x{align-items:stretch}
.grid-x.grid-padding-x>.cell{padding-left:15px;padding-right:15px}

/* ============ 顶部导航（悬浮胶囊） ============ */
.site-header{position:sticky;top:0;z-index:80;padding-top:14px}
.nav-pill{
  display:flex;align-items:center;gap:18px;
  max-width:1240px;margin:0 auto;
  height:72px;padding:0 16px 0 26px;
  border-radius:var(--pill);
  background:rgba(247,245,240,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:height .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled .nav-pill{
  height:60px;
  background:rgba(247,245,240,.92);
  border-color:var(--line-strong);
}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,249,78,.28);flex:0 0 auto}
.nav-menu{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-menu a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:var(--pill);
  font-size:15px;color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-menu a:hover{background:rgba(18,19,26,.05);color:var(--ink)}
.nav-menu a.active{color:var(--ink);font-weight:700}
.nav-menu a.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);flex:0 0 auto}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;border-radius:var(--pill);
  background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:700;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-cta:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px)}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-panel{
  display:none;max-width:1240px;margin:10px auto 0;padding:14px;
  border-radius:24px;
  background:rgba(247,245,240,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  box-shadow:var(--sh-2);
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;padding:13px 16px;border-radius:16px;
  font-size:15px;color:var(--muted);
  opacity:0;transform:translateY(-6px);
  animation:panelIn .3s var(--ease) forwards;
}
.mobile-panel a:nth-child(1){animation-delay:.02s}
.mobile-panel a:nth-child(2){animation-delay:.06s}
.mobile-panel a:nth-child(3){animation-delay:.10s}
.mobile-panel a:nth-child(4){animation-delay:.14s}
.mobile-panel a:nth-child(5){animation-delay:.18s}
.mobile-panel a:nth-child(6){animation-delay:.22s}
.mobile-panel a:hover{background:rgba(18,19,26,.05);color:var(--ink)}
.mobile-panel a.nav-cta{margin-top:8px;background:var(--ink);color:var(--lime);text-align:center}
@keyframes panelIn{to{opacity:1;transform:none}}

@media (max-width:1023px){
  .nav-pill>.nav-menu,.nav-pill>.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-pill{height:62px;padding:0 10px 0 20px}
  .mobile-panel{max-width:none;margin:10px 9px 0}
}
@media (max-width:767px){
  .nav-pill{height:58px;padding:0 8px 0 16px}
  .brand{font-size:16px}
  .mobile-panel{margin:10px 5px 0;border-radius:20px}
}

/* ============ 通用板块 ============ */
.section{padding:var(--sect) 0}
.section-tight{padding:calc(var(--sect) * .6) 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:760px;margin-bottom:46px}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--muted);margin-bottom:18px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lime)}
.h2{font-size:clamp(26px,3vw,42px);font-weight:800;letter-spacing:-.02em;line-height:1.14}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn .arrow{transition:transform .22s var(--ease);font-weight:700}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-ghost-light{border-color:rgba(247,245,240,.34);color:var(--paper)}
.btn-ghost-light:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}

/* ============ 首屏 ============ */
.hero{padding:58px 0 76px;position:relative;overflow:hidden}
.hero-title{font-size:clamp(34px,5.2vw,68px);font-weight:900;letter-spacing:-.02em;line-height:1.08}
.hero-title span{display:block;margin-top:14px;font-size:.42em;font-weight:800;color:var(--muted);letter-spacing:-.01em;line-height:1.3}
.hero-lead{margin-top:26px;max-width:640px;font-size:17px;line-height:1.85;color:var(--muted)}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.stat-row{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:26px 22px 26px 0;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--mono);font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
@media (max-width:767px){
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:20px 14px 20px 0}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
}

/* ============ 长卡片列表 ============ */
.long-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);margin-bottom:30px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.long-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.long-card .grid-padding-x{margin-left:-15px;margin-right:-15px}
.long-card .grid-padding-x>.cell{padding:24px}
.long-card-media{border-radius:14px;overflow:hidden;background:var(--paper-2);aspect-ratio:4/3;min-height:220px}
.long-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.long-card:hover .long-card-media img{transform:scale(1.03)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--paper-2);color:var(--muted);
}
.tag-live{background:rgba(255,106,61,.14);color:#C74117}
.tag-lime{background:rgba(200,249,78,.42);color:#3F4E08}
.long-card-body h3{font-size:22px;font-weight:800;margin-bottom:12px}
.long-card-body .desc{color:var(--muted);font-size:15px;line-height:1.8}
.feat-list{margin-top:18px;display:grid;gap:10px}
.feat-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text);line-height:1.7}
.feat-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:3px;background:var(--lime)}
.long-card-meta{
  margin-top:22px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--muted);
}
.long-card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);flex:0 0 auto}
@media (min-width:1024px){
  .long-card.reverse .cell-media{order:2}
  .long-card.reverse .cell-body{order:1}
}

/* ============ 参与流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  padding:30px 26px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{display:block;font-family:var(--mono);font-size:38px;font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.step-num::after{content:"";display:block;width:34px;height:4px;border-radius:2px;background:var(--lime);margin:12px 0 18px}
.step h3{font-size:19px;font-weight:800;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}
@media (max-width:1023px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575px){.steps{grid-template-columns:1fr}}

/* ============ 深色信息带 ============ */
.dark-band{
  position:relative;border-radius:28px;overflow:hidden;
  padding:64px 56px;color:var(--paper);
  background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,19,26,.95) 0%,rgba(18,19,26,.84) 55%,rgba(18,19,26,.72) 100%);
}
.dark-band>*{position:relative;z-index:1}
.dark-band .h2{color:var(--paper)}
.dark-band .eyebrow{color:rgba(247,245,240,.66)}
.band-lead{margin-top:18px;font-size:15.5px;line-height:1.85;color:rgba(247,245,240,.72);max-width:420px}
.band-list{margin-top:26px;display:grid;gap:14px}
.band-list li{position:relative;padding-left:22px;font-size:15px;color:rgba(247,245,240,.82);line-height:1.7}
.band-list li::before{content:"";position:absolute;left:0;top:.68em;width:9px;height:9px;border-radius:3px;background:var(--lime)}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px;margin-top:6px}
.metric b{display:block;font-family:var(--mono);font-size:clamp(28px,3.4vw,44px);font-weight:800;color:var(--lime);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:8px;font-size:14px;color:rgba(247,245,240,.68);line-height:1.6}
@media (max-width:1023px){
  .dark-band{padding:44px 32px;border-radius:22px}
  .metrics{margin-top:28px}
}
@media (max-width:767px){
  .dark-band{padding:34px 22px;border-radius:20px}
  .metrics{grid-template-columns:1fr;gap:20px}
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:19px;font-weight:700;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#3F4E08}
.faq-icon{position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line-strong);transition:background .2s var(--ease),border-color .2s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;transform:translate(-50%,-50%);transition:transform .18s var(--ease),opacity .18s var(--ease)}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon{background:var(--lime);border-color:var(--lime)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a-inner{padding:0 4px 24px;max-width:780px;font-size:15.5px;line-height:1.85;color:var(--muted)}
@media (max-width:575px){
  .faq-q{font-size:16.5px;padding:18px 2px}
  .faq-a-inner{font-size:15px}
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--paper);
  border-radius:28px;padding:56px 52px;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,249,78,.30),transparent 68%);
}
.cta-band>*{position:relative;z-index:1}
.cta-lead{margin-top:16px;font-size:15.5px;line-height:1.8;color:rgba(247,245,240,.72);max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-start}
@media (min-width:1024px){.cta-actions{justify-content:flex-end}}
@media (max-width:767px){
  .cta-band{padding:34px 22px;border-radius:20px}
  .cta-actions{margin-top:26px}
  .cta-actions .btn{flex:1 1 100%;justify-content:center}
}

/* ============ 跨栏目入口 ============ */
.cross-links{display:flex;flex-wrap:wrap;gap:12px}
.cross-links a{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--pill);
  border:1px solid var(--line-strong);
  font-size:14px;font-weight:600;color:var(--ink);
  background:#fff;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.cross-links a:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
.cross-links a::after{content:"→"}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--paper);margin-top:var(--sect);padding:68px 0 32px}
.footer-top{padding-bottom:44px;border-bottom:1px solid rgba(247,245,240,.12)}
.footer-brand{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:800;margin-bottom:16px;letter-spacing:-.01em}
.footer-desc{color:rgba(247,245,240,.66);font-size:14.5px;line-height:1.85;max-width:440px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:11px}
.footer-links a,.footer-links span{color:rgba(247,245,240,.66);font-size:14px;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:26px;font-size:13px;color:rgba(247,245,240,.5);
}
@media (max-width:1023px){
  .footer-top>.cell{margin-bottom:30px}
  .footer-top>.cell:last-child{margin-bottom:0}
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#12131A;
  --ink-2:#1C1E28;
  --paper:#F7F5F0;
  --paper-2:#EFEBE3;
  --lime:#C8F94E;
  --coral:#FF6A3D;
  --text:#12131A;
  --muted:#5A5C66;
  --line:rgba(18,19,26,0.10);
  --line-strong:rgba(18,19,26,0.18);
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:22px;
  --shadow-1:0 1px 2px rgba(18,19,26,0.04);
  --shadow-2:0 14px 32px rgba(18,19,26,0.09);
  --ease:cubic-bezier(0.22,1,0.36,1);
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Menlo",monospace;
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:800;line-height:1.15;letter-spacing:-0.02em;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
#main{display:block;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:14px;
  z-index:80;
  padding:0 20px;
}
.nav-pill{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  max-width:var(--container);
  margin:0 auto;
  height:72px;
  padding:0 14px 0 26px;
  background:rgba(247,245,240,0.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 1px 2px rgba(18,19,26,0.04);
  transition:height .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled .nav-pill{
  height:60px;
  background:rgba(247,245,240,0.94);
  border-color:var(--line-strong);
  box-shadow:0 10px 30px rgba(18,19,26,0.08);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-0.02em;
  white-space:nowrap;
  color:var(--ink);
}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,249,78,0.28);
  flex:0 0 auto;
}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-menu a:hover{color:var(--ink);background:rgba(18,19,26,0.05);}
.nav-menu a.active{color:var(--ink);font-weight:700;}
.nav-menu a.active::before{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  transform:translateX(-50%);
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--ink);
  color:var(--paper);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-cta:hover{background:var(--lime);color:var(--ink);}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0 12px;
  border-radius:999px;
  background:var(--ink);
  flex:0 0 auto;
}
.nav-toggle span{
  display:block;
  width:100%;height:2px;
  border-radius:2px;
  background:var(--paper);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.is-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;
  flex-direction:column;
  gap:4px;
  max-width:var(--container);
  margin:10px auto 0;
  padding:14px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:rgba(247,245,240,0.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-2);
}
.mobile-panel.is-open{display:flex;}
.mobile-panel a{
  padding:12px 16px;
  border-radius:14px;
  font-size:15.5px;
  font-weight:600;
  color:var(--muted);
  opacity:0;
  transform:translateY(-6px);
  animation:panelIn .28s var(--ease) forwards;
}
.mobile-panel.is-open a{animation-play-state:running;}
.mobile-panel a.active{color:var(--ink);background:var(--paper-2);}
.mobile-panel a.nav-cta{
  justify-content:center;
  margin-top:8px;
  color:var(--paper);
  background:var(--ink);
  opacity:1;
  transform:none;
  animation:none;
}
.mobile-panel a:nth-child(1){animation-delay:.03s;}
.mobile-panel a:nth-child(2){animation-delay:.07s;}
.mobile-panel a:nth-child(3){animation-delay:.11s;}
.mobile-panel a:nth-child(4){animation-delay:.15s;}
.mobile-panel a:nth-child(5){animation-delay:.19s;}
.mobile-panel a:nth-child(6){animation-delay:.23s;}
@keyframes panelIn{to{opacity:1;transform:none;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-ghost{border-color:rgba(247,245,240,0.45);color:var(--paper);background:transparent;}
.btn-ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- 首屏通栏 Banner ---------- */
.page-banner{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  min-height:clamp(320px,34vw,380px);
  margin-top:18px;
  background:var(--ink-2);
}
.page-banner-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(18,19,26,0.95) 0%,rgba(18,19,26,0.80) 46%,rgba(18,19,26,0.30) 100%);
}
.page-banner-inner{
  position:relative;
  z-index:2;
  padding-top:clamp(46px,6.5vw,78px);
  padding-bottom:clamp(46px,6.5vw,78px);
}
.banner-copy{max-width:640px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  margin-bottom:20px;
  border:1px solid rgba(200,249,78,0.5);
  border-radius:999px;
  color:var(--lime);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
}
.page-banner h1{
  color:var(--paper);
  font-size:clamp(32px,4.4vw,58px);
  font-weight:900;
  line-height:1.1;
  letter-spacing:-0.02em;
}
.banner-sub{
  margin-top:18px;
  max-width:520px;
  color:rgba(247,245,240,0.78);
  font-size:17px;
  line-height:1.8;
}
.banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

/* ---------- 板块结构 ---------- */
.section{padding:clamp(56px,8vw,96px) 0;}
.section-tight{padding:0 0 clamp(56px,7vw,96px);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:36px;
  margin-bottom:clamp(30px,4vw,48px);
}
.section-head h2{font-size:clamp(24px,2.4vw,36px);font-weight:800;}
.section-head p{max-width:560px;color:var(--muted);font-size:16px;line-height:1.75;}
.section-foot{margin-top:34px;display:flex;justify-content:flex-start;}

/* ---------- 要点条 ---------- */
.num-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.num-strip > li{padding:32px 30px 32px 0;}
.num-strip > li + li{padding-left:30px;border-left:1px solid var(--line);}
.num-strip .idx{
  display:block;
  margin-bottom:14px;
  font-family:var(--mono);
  font-size:42px;
  font-weight:900;
  line-height:1;
  letter-spacing:-0.03em;
  color:rgba(18,19,26,0.15);
  font-variant-numeric:tabular-nums;
}
.num-strip h3{font-size:19px;margin-bottom:8px;}
.num-strip p{font-size:15.5px;color:var(--muted);line-height:1.75;}

/* ---------- 三列不等高瀑布 ---------- */
.wf-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  align-items:start;
}
.wf-col{display:flex;flex-direction:column;gap:26px;}
.wf-col:nth-child(2){margin-top:46px;}
.wf-col:nth-child(3){margin-top:20px;}
.wf-card{
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.wf-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.wf-thumb{
  position:relative;
  overflow:hidden;
  aspect-ratio:4 / 3;
  background:var(--paper-2);
}
.wf-col:nth-child(2) .wf-thumb{aspect-ratio:1 / 1;}
.wf-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .22s var(--ease);
}
.wf-card:hover .wf-thumb img{transform:scale(1.03);}
.wf-body{padding:24px 24px 26px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  background:rgba(200,249,78,0.42);
  color:#3c4c05;
}
.tag-coral{background:rgba(255,106,61,0.14);color:#bd3a13;}
.tag-plain{background:var(--paper-2);color:var(--muted);}
.wf-body h3{font-size:20px;margin:14px 0 10px;}
.wf-body > p{font-size:15px;color:var(--muted);line-height:1.75;}
.points{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.points li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  line-height:1.65;
  color:var(--muted);
}
.points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--lime);
}
.wf-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.wf-note::before{
  content:"";
  width:20px;height:2px;
  background:var(--lime);
  border-radius:2px;
  flex:0 0 auto;
}

/* ---------- 推进步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.step{position:relative;}
.step::before{
  content:"";
  position:absolute;
  top:7px;left:0;right:-28px;
  height:1px;
  background:var(--line-strong);
}
.step:last-child::before{display:none;}
.step-dot{
  position:relative;
  z-index:1;
  width:15px;height:15px;
  margin-bottom:20px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px var(--paper),0 0 0 4px var(--line-strong);
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  text-align:left;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-0.01em;
}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--ink);
  border-radius:2px;
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a p{
  padding:0 0 24px;
  max-width:860px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:0 0 clamp(56px,7vw,96px);}
.cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  padding:clamp(34px,4.4vw,58px);
  border-radius:var(--radius-lg);
  background:var(--ink);
  color:var(--paper);
}
.cta-bar h2{font-size:clamp(22px,2.2vw,32px);color:var(--paper);}
.cta-bar p{margin-top:12px;max-width:520px;font-size:15.5px;line-height:1.8;color:rgba(247,245,240,0.72);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(247,245,240,0.78);
  padding:64px 0 26px;
  border-top:1px solid rgba(247,245,240,0.12);
}
.footer-top{
  padding-bottom:44px;
  border-bottom:1px solid rgba(247,245,240,0.12);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  font-size:18px;
  font-weight:800;
  color:var(--paper);
  letter-spacing:-0.02em;
}
.footer-desc{
  max-width:420px;
  font-size:15px;
  line-height:1.8;
  color:rgba(247,245,240,0.66);
}
.footer-title{
  margin-bottom:18px;
  font-size:16px;
  font-weight:700;
  color:var(--paper);
}
.footer-links li{margin-bottom:11px;font-size:15px;color:rgba(247,245,240,0.66);}
.footer-links a{
  color:rgba(247,245,240,0.78);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(247,245,240,0.52);
}

/* ---------- 进场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .site-header{padding:0 16px;}
}
@media (max-width:1023px){
  .nav-menu,
  .nav-pill > .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-pill{height:64px;padding:0 10px 0 20px;}
  .site-header.is-scrolled .nav-pill{height:58px;}
  .wf-grid{grid-template-columns:repeat(2,1fr);}
  .wf-col:nth-child(2){margin-top:0;}
  .wf-col:nth-child(3){margin-top:34px;}
  .num-strip{grid-template-columns:1fr;}
  .num-strip > li{padding:26px 0;}
  .num-strip > li + li{padding-left:0;border-left:0;border-top:1px solid var(--line);}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 28px;}
  .step:nth-child(2)::before{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .site-header{padding:0 12px;}
  .site-header{top:10px;}
  .brand{font-size:16.5px;}
  .page-banner{min-height:auto;}
  .page-banner::after{background:linear-gradient(180deg,rgba(18,19,26,0.94) 0%,rgba(18,19,26,0.74) 100%);}
  .banner-actions .btn{width:100%;}
  .wf-grid{grid-template-columns:1fr;gap:22px;}
  .wf-col,
  .wf-col:nth-child(2),
  .wf-col:nth-child(3){margin-top:0;}
  .wf-col{gap:22px;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .step::before{display:none;}
  .faq-q{font-size:16.5px;padding:18px 0;}
  .cta-bar{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .eyebrow{margin-bottom:16px;}
  .page-banner h1{font-size:29px;}
  .banner-sub{font-size:15.5px;}
  .num-strip .idx{font-size:34px;}
}
@media (min-width:1024px){
  .mobile-panel{display:none !important;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#12131A;
  --ink-2:#1C1E28;
  --paper:#F7F5F0;
  --paper-2:#EFEBE3;
  --lime:#C8F94E;
  --coral:#FF6A3D;
  --text:#12131A;
  --text-2:#5A5C66;
  --line:rgba(18,19,26,0.10);
  --line-strong:rgba(18,19,26,0.16);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Menlo",monospace;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:24px;
  --shadow-1:0 1px 2px rgba(18,19,26,0.04);
  --shadow-2:0 14px 32px rgba(18,19,26,0.09);
  --ease:cubic-bezier(0.22,1,0.36,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
h1{font-size:clamp(34px,5.2vw,64px);font-weight:900;line-height:1.08;letter-spacing:-0.02em;}
h2{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.2;letter-spacing:-0.01em;}
h3{font-size:20px;font-weight:700;line-height:1.4;}
::selection{background:var(--lime);color:var(--ink);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
@media (max-width:1279px){.container{padding:0 24px;}}
@media (max-width:767px){.container{padding:0 20px;}}

.section{padding:96px 0;}
.section-tight{padding:64px 0;}
@media (max-width:1023px){.section{padding:72px 0;}.section-tight{padding:52px 0;}}
@media (max-width:767px){.section{padding:56px 0;}.section-tight{padding:40px 0;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px 0 0;
}
.nav-pill{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
  padding:0 12px 0 24px;
  border-radius:999px;
  background:rgba(247,245,240,0.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(18,19,26,0.08);
  box-shadow:var(--shadow-1);
  transition:height .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-stuck .nav-pill{
  height:60px;
  background:rgba(247,245,240,0.9);
  border-color:var(--line-strong);
  box-shadow:0 10px 26px rgba(18,19,26,0.08);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-dot{
  width:12px;
  height:12px;
  border-radius:999px;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(200,249,78,0.28);
  flex:0 0 auto;
}
.nav-menu{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:26px;
  flex:1 1 auto;
}
.nav-menu li{position:relative;}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.nav-menu a:hover{color:var(--ink);}
.nav-menu a.active{color:var(--ink);font-weight:700;}
.nav-menu a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  width:6px;
  height:6px;
  margin-left:-3px;
  border-radius:50%;
  background:var(--coral);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--lime);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:transparent;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.mobile-panel{display:none;}

@media (max-width:1023px){
  .nav-menu{gap:16px;}
  .nav-menu a{font-size:14px;}
}
@media (max-width:767px){
  .site-header{padding-top:10px;}
  .nav-pill{height:60px;padding:0 10px 0 18px;gap:10px;}
  .nav-menu{display:none;}
  .nav-pill .nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .brand{font-size:16px;}
  .mobile-panel{
    display:block;
    position:absolute;
    left:20px;
    right:20px;
    top:calc(100% + 8px);
    padding:14px;
    background:var(--paper);
    border:1px solid var(--line-strong);
    border-radius:20px;
    box-shadow:var(--shadow-2);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  }
  .mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .mobile-panel a{
    display:block;
    padding:13px 14px;
    border-radius:12px;
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    transition:background .18s var(--ease);
  }
  .mobile-panel a:hover{background:var(--paper-2);}
  .mobile-panel .nav-cta{
    margin-top:8px;
    width:100%;
    color:var(--ink);
    background:var(--lime);
  }
}

/* ---------- 通用组件 ---------- */
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--lime);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn .arrow{transition:transform .2s var(--ease);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn:disabled{opacity:.4;cursor:not-allowed;}

.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  background:var(--paper-2);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.tag-coral{background:rgba(255,106,61,0.14);color:#C4421C;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

.section-head{max-width:760px;margin:0 auto 56px;}
.section-head.center{text-align:center;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}
@media (max-width:767px){.section-head{margin-bottom:36px;}}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  position:relative;
  padding:84px 0 76px;
  text-align:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  left:50%;
  top:-180px;
  width:680px;
  height:680px;
  transform:translateX(-50%);
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,249,78,0.30),rgba(200,249,78,0) 66%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero h1{margin-bottom:22px;}
.hero-rule{
  display:block;
  width:76px;
  height:4px;
  border-radius:999px;
  background:var(--lime);
  margin:0 auto 26px;
}
.hero-lead{
  max-width:720px;
  margin:0 auto 36px;
  font-size:17px;
  color:var(--text-2);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
@media (max-width:767px){
  .cat-hero{padding:52px 0 48px;}
  .hero-lead{font-size:16px;margin-bottom:28px;}
}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.stat{
  padding:26px 24px;
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:0;}
.stat strong{
  display:block;
  font-family:var(--mono);
  font-size:28px;
  font-weight:900;
  line-height:1.2;
  letter-spacing:-0.01em;
}
.stat span{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--text-2);
}
@media (max-width:767px){
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat{padding:20px 18px;}
  .stat strong{font-size:23px;}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
}

/* ---------- 时间轴 ---------- */
.timeline{
  position:relative;
  max-width:920px;
  margin:0 auto;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:14px;
  bottom:14px;
  width:2px;
  background:var(--line-strong);
}
.tl-item{
  position:relative;
  padding:0 0 34px 52px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:0;
  top:26px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--coral);
  border:4px solid var(--paper);
  box-shadow:0 0 0 1px rgba(255,106,61,0.35);
}
.tl-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-body:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:var(--line-strong);
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
  font-size:13px;
  color:var(--text-2);
}
.tl-meta time{font-family:var(--mono);}
.tl-body h3{margin-bottom:8px;}
.tl-body p{color:var(--text-2);font-size:15.5px;line-height:1.78;}
@media (max-width:767px){
  .tl-item{padding:0 0 26px 38px;}
  .timeline::before{left:8px;}
  .tl-dot{width:18px;height:18px;top:24px;}
  .tl-body{padding:20px 18px;}
  .tl-body p{font-size:15px;}
}

/* ---------- 图文对照 ---------- */
.feature-row{margin-top:0;}
.figure{margin:0;}
.figure img{
  width:100%;
  height:auto;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:var(--radius);
  border:1px solid var(--line);
}
.figure figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--text-2);
  text-align:center;
}
.feature-text h2{margin-bottom:16px;}
.feature-text > p{color:var(--text-2);margin-bottom:24px;}
.check-list li{
  position:relative;
  padding:0 0 18px 34px;
  border-bottom:1px solid var(--line);
  margin-bottom:18px;
  color:var(--text-2);
  font-size:15.5px;
}
.check-list li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.check-list li strong{display:block;color:var(--ink);font-size:16.5px;margin-bottom:4px;}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:14px;
  height:14px;
  border-radius:4px;
  background:var(--lime);
  box-shadow:inset 0 0 0 3px var(--paper);
}
@media (max-width:1023px){
  .feature-text{margin-top:34px;}
}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.step-num{
  display:inline-block;
  font-family:var(--mono);
  font-size:34px;
  font-weight:900;
  line-height:1;
  color:var(--ink);
  padding-bottom:8px;
  margin-bottom:14px;
  border-bottom:4px solid var(--lime);
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
@media (max-width:1023px){
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:575px){
  .steps{grid-template-columns:1fr;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{
  background:transparent;
  border:0;
  list-style:none;
  margin:0;
  padding:0;
}
.accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-title{
  position:relative;
  display:block;
  padding:22px 56px 22px 0;
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  background:transparent;
  border:0;
  text-decoration:none;
}
.accordion-title:hover{color:var(--ink);}
.accordion-title::before{
  content:"";
  position:absolute;
  right:10px;
  top:50%;
  width:14px;
  height:2px;
  margin-top:-1px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .18s var(--ease);
}
.accordion-title::after{
  content:"";
  position:absolute;
  right:16px;
  top:50%;
  width:2px;
  height:14px;
  margin-top:-7px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.accordion-title[aria-expanded="true"]::after{transform:rotate(90deg);opacity:0;}
.accordion-title[aria-expanded="true"]::before{transform:rotate(180deg);}
.accordion-content{
  display:block;
  padding:0 56px 22px 0;
  border:0;
  background:transparent;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
.accordion-content p{margin:0;}
@media (max-width:767px){
  .accordion-title{font-size:16.5px;padding:18px 46px 18px 0;}
  .accordion-content{padding:0 46px 18px 0;font-size:15px;}
}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  padding:52px 48px;
  border-radius:var(--radius-lg);
  background:var(--ink);
  color:var(--paper);
}
.cta-band h2{
  color:var(--paper);
  font-size:clamp(24px,2.4vw,32px);
  margin-bottom:12px;
}
.cta-band p{
  margin:0;
  max-width:580px;
  font-size:15px;
  color:rgba(247,245,240,0.72);
}
@media (max-width:767px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px;}
  .cta-band .btn{width:100%;justify-content:center;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:72px 0 28px;
  background:var(--ink);
  color:var(--paper);
}
.footer-top{
  padding-bottom:48px;
  border-bottom:1px solid rgba(247,245,240,0.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  margin-bottom:16px;
}
.footer-desc{
  max-width:420px;
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:rgba(247,245,240,0.66);
}
.footer-title{
  margin:0 0 18px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--paper);
}
.footer-links li{margin-bottom:12px;}
.footer-links a,
.footer-links span{
  font-size:14px;
  color:rgba(247,245,240,0.68);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  padding-top:24px;
  font-size:13px;
  color:rgba(247,245,240,0.5);
}
@media (max-width:767px){
  .site-footer{margin-top:56px;padding:48px 0 24px;}
  .footer-top{padding-bottom:32px;}
  .footer-title{margin-top:26px;}
}

/* ---------- 进场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}
.no-js .reveal{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1 !important;transform:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --ink:#12131A;
  --ink-2:#1C1E28;
  --paper:#F7F5F0;
  --paper-2:#EFEBE3;
  --card:#FCFBF8;
  --lime:#C8F94E;
  --coral:#FF6A3D;
  --text:#12131A;
  --text-2:#5A5C66;
  --line:rgba(18,19,26,.10);
  --line-strong:rgba(18,19,26,.18);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:24px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(18,19,26,.04);
  --shadow-2:0 14px 32px rgba(18,19,26,.09);
  --ease:cubic-bezier(.22,1,.36,1);
  --container:1240px;
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Menlo",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--sans);
  margin:0;
  color:var(--text);
  line-height:1.2;
  letter-spacing:-0.01em;
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px;}
::selection{background:var(--lime);color:var(--ink);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
@media (max-width:1279px){.container{padding:0 24px;}}
@media (max-width:767px){.container{padding:0 20px;}}

/* ============ 顶部胶囊导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px 0;
}
.nav-pill{
  display:flex;
  align-items:center;
  gap:22px;
  height:72px;
  padding:0 12px 0 24px;
  border:1px solid var(--line);
  border-radius:var(--pill);
  background:rgba(247,245,240,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-1);
  transition:height .28s var(--ease),background-color .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled .nav-pill{
  height:60px;
  background:rgba(247,245,240,.92);
  border-color:var(--line-strong);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.brand-dot{
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(200,249,78,.28);
  flex:0 0 11px;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 2px;
}
.nav-menu a:hover{color:var(--text);}
.nav-menu a.active{color:var(--text);font-weight:800;}
.nav-menu a.active::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--ink);
  display:inline-block;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--pill);
  background:var(--lime);
  color:var(--ink);
  font-size:15px;
  font-weight:800;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:var(--ink);color:var(--lime);transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{
  max-width:var(--container);
  margin:10px auto 0;
  padding:0 20px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:none;}
.mobile-panel-inner{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:12px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);
}
.mobile-panel a{
  padding:13px 16px;
  border-radius:14px;
  font-weight:600;
  color:var(--text-2);
  opacity:0;
  transform:translateY(-6px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.mobile-panel.is-open a{opacity:1;transform:none;}
.mobile-panel.is-open a:nth-child(1){transition-delay:.04s;}
.mobile-panel.is-open a:nth-child(2){transition-delay:.08s;}
.mobile-panel.is-open a:nth-child(3){transition-delay:.12s;}
.mobile-panel.is-open a:nth-child(4){transition-delay:.16s;}
.mobile-panel.is-open a:nth-child(5){transition-delay:.20s;}
.mobile-panel.is-open a:nth-child(6){transition-delay:.24s;}
.mobile-panel a:hover{background:var(--paper-2);color:var(--text);}
.mobile-panel a.active{color:var(--text);font-weight:800;background:var(--paper-2);}
.mobile-panel a.nav-cta{justify-content:center;background:var(--lime);color:var(--ink);margin-top:6px;}
@media (min-width:768px){.mobile-panel{display:none;}}
@media (max-width:767px){
  .nav-pill{height:62px;padding:0 10px 0 18px;gap:12px;justify-content:space-between;}
  .brand{font-size:16px;}
  .nav-menu,.nav-pill > .nav-cta{display:none;}
  .nav-toggle{display:flex;}
}

/* ============ 首屏 ============ */
.page-hero{
  padding:52px 0 36px;
  border-bottom:1px solid var(--line);
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:22px;
}
.crumbs a:hover{color:var(--text);}
.crumbs .sep{opacity:.5;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--pill);
  background:var(--ink);
  color:var(--paper);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow .brand-dot{width:8px;height:8px;flex:0 0 8px;box-shadow:none;}
.page-hero h1{
  font-size:clamp(32px,4.4vw,56px);
  font-weight:900;
  letter-spacing:-0.02em;
  line-height:1.12;
  max-width:900px;
}
.hero-lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:760px;
}
.hero-meta{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  font-family:var(--mono);
}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}

/* ============ 板块 ============ */
.section{padding:64px 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head h2{
  font-size:clamp(24px,2.4vw,34px);
  font-weight:800;
  letter-spacing:-0.015em;
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

.grid-x.grid-padding-x > .cell{padding-left:16px;padding-right:16px;}
.grid-x.grid-padding-x{margin-left:-16px;margin-right:-16px;}
@media (max-width:767px){
  .grid-x.grid-padding-x > .cell{padding-left:10px;padding-right:10px;}
  .grid-x.grid-padding-x{margin-left:-10px;margin-right:-10px;}
}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px;}
@media (max-width:1023px){.side-sticky{position:static;margin-bottom:28px;}}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.panel-title{
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:14px;
}
.side-figure{margin:0;}
.side-figure img{
  width:100%;
  height:170px;
  object-fit:cover;
  border-radius:16px;
}
.side-figure figcaption{font-size:12.5px;color:var(--text-2);margin-top:10px;line-height:1.6;}
.toc{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
}
.toc a::before{
  content:"";
  width:5px;height:5px;border-radius:50%;
  background:var(--line-strong);
  flex:0 0 5px;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.toc a:hover{background:var(--paper-2);color:var(--text);}
.toc a:hover::before{background:var(--ink);transform:scale(1.3);}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--text-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:7px;
  width:14px;height:14px;
  border-radius:5px;
  background:var(--lime);
  box-shadow:inset 0 0 0 1px rgba(18,19,26,.14);
}
.panel .btn{width:100%;justify-content:center;margin-top:14px;}
.panel-note{font-size:13px;color:var(--text-2);line-height:1.7;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 26px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:800;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px);}
.btn-primary .arrow{transition:transform .2s var(--ease);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:var(--paper);}
.btn-dark:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* ============ 快速四步 ============ */
.mini-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  margin-bottom:40px;
}
.mini{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--card);
  padding:18px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.mini .num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink);
  display:block;
}
.mini .mini-title{margin-top:8px;font-size:15px;font-weight:800;}
.mini .mini-sub{margin-top:6px;font-size:13px;color:var(--text-2);line-height:1.65;}

/* ============ 紧凑列表 ============ */
.topic-block{margin-bottom:44px;}
.topic-block:last-of-type{margin-bottom:0;}
.topic-head{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line-strong);
}
.topic-head h2{
  font-size:clamp(20px,2vw,26px);
  font-weight:800;
}
.topic-head .count{
  font-family:var(--mono);
  font-size:13px;
  color:var(--text-2);
}
.tight-list{display:flex;flex-direction:column;}
.row-item{
  display:grid;
  grid-template-columns:46px minmax(0,1fr) auto;
  gap:18px;
  align-items:start;
  padding:20px 14px;
  border-bottom:1px solid var(--line);
  border-radius:10px;
  transition:background-color .2s var(--ease);
}
.row-item:hover{background:rgba(18,19,26,.035);}
.row-num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--text-2);
  padding-top:5px;
}
.row-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.row-head h3{font-size:18px;font-weight:700;line-height:1.4;}
.row-desc{margin-top:7px;font-size:14.5px;line-height:1.75;color:var(--text-2);}
.row-meta{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--text-2);
  white-space:nowrap;
  padding-top:6px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 9px;
  border-radius:var(--pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  background:transparent;
}
.badge-coral{border-color:rgba(255,106,61,.5);color:var(--coral);background:rgba(255,106,61,.07);}
.badge-lime{border-color:rgba(18,19,26,.2);background:var(--lime);color:var(--ink);}

/* ============ 时间轴 ============ */
.timeline{
  display:grid;
  gap:26px;
  border-left:1px solid var(--line-strong);
  padding-left:30px;
  margin-left:8px;
}
.tl-item{position:relative;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-36px;
  top:7px;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 4px var(--paper);
}
.tl-item h3{font-size:18px;font-weight:800;}
.tl-item p{margin-top:8px;font-size:15px;line-height:1.78;color:var(--text-2);max-width:720px;}
.tl-item .tl-step{
  display:inline-block;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--text-2);
  letter-spacing:.08em;
  margin-bottom:6px;
}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line-strong);max-width:920px;}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px;
  cursor:pointer;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary h3{font-size:18px;font-weight:700;line-height:1.5;}
.faq .icon{
  position:relative;
  flex:0 0 18px;
  width:18px;
  height:18px;
  margin-top:6px;
}
.faq .icon::before,.faq .icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.faq .icon::before{left:0;top:8px;width:18px;height:2px;}
.faq .icon::after{left:8px;top:0;width:2px;height:18px;}
.faq details[open] .icon::after{transform:rotate(90deg);opacity:0;}
.faq .faq-body{
  padding:0 4px 22px;
  max-width:780px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--ink);
  color:var(--paper);
  padding:52px 48px;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  opacity:.18;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  color:var(--paper);
  font-size:clamp(22px,2.4vw,32px);
  font-weight:800;
  letter-spacing:-0.015em;
}
.cta-band p{
  margin-top:12px;
  color:rgba(247,245,240,.75);
  font-size:15px;
  max-width:560px;
  line-height:1.8;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-primary:hover{background:var(--paper);color:var(--ink);}
.cta-band .btn-outline{
  border-color:rgba(247,245,240,.5);
  color:var(--paper);
  background:transparent;
}
.cta-band .btn-outline:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  padding:64px 0 28px;
  background:var(--ink);
  color:var(--paper);
  border-top:1px solid rgba(247,245,240,.12);
}
.footer-top{padding-bottom:36px;}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
}
.footer-desc{
  margin-top:16px;
  max-width:420px;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(247,245,240,.7);
}
.footer-title{
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  color:rgba(247,245,240,.62);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-links span{
  font-size:14.5px;
  color:rgba(247,245,240,.82);
}
.footer-links span{color:rgba(247,245,240,.62);}
.footer-links a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(247,245,240,.12);
  font-size:13px;
  color:rgba(247,245,240,.58);
}

@media (max-width:1023px){
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .page-hero{padding:36px 0 28px;}
  .hero-lead{font-size:16px;}
  .row-item{grid-template-columns:32px minmax(0,1fr);gap:12px;padding:18px 8px;}
  .row-meta{display:none;}
  .cta-band{padding:36px 22px;border-radius:20px;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:56px;padding:48px 0 24px;}
  .timeline{padding-left:22px;margin-left:4px;}
  .tl-item::before{left:-28px;}
}
@media (max-width:520px){
  .mini-grid{grid-template-columns:1fr;}
  .brand{font-size:15px;}
  .row-head h3{font-size:16.5px;}
  .faq summary h3{font-size:16.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}