/* roulang page: index */
:root{
  --ink-900:#14121C;
  --ink-800:#1D1A28;
  --ink-700:#2A2536;
  --lime-500:#C8F250;
  --lime-600:#A9D93A;
  --coral-500:#FF7A45;
  --coral-600:#E85F2C;
  --violet-500:#7C5CFF;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E6E2D8;
  --text-900:#16141C;
  --text-600:#5A5566;
  --text-400:#8B8697;
  --text-invert:#FFFFFF;
  --success:#37B26C;
  --warn:#E8A33D;
  --danger:#E5484D;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06), 0 8px 24px rgba(20,18,28,.08);
  --shadow-2:0 18px 48px rgba(20,18,28,.16);
  --dur:200ms;
  --ease:ease-out;
  --nav-w:240px;
  --gap:24px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  padding-left:0;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--coral-600);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font:inherit;}
:focus-visible{outline:3px solid rgba(200,242,80,.55);outline-offset:2px;border-radius:var(--radius-s);}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--lime-500);color:var(--ink-900);padding:10px 18px;border-radius:var(--radius-pill);z-index:200;}
.skip-link:focus{left:16px;top:16px;}

/* ---------- 布局骨架 ---------- */
.page-wrap{
  max-width:1280px;
  margin:0 auto;
  padding:0 40px 0 40px;
}
@media (min-width:1024px){
  body{padding-left:var(--nav-w);}
}

/* ---------- 左侧竖向导航 ---------- */
.sidenav{
  display:none;
}
@media (min-width:1024px){
  .sidenav{
    display:flex;
    flex-direction:column;
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--nav-w);
    background:var(--ink-900);
    color:var(--text-invert);
    padding:32px 0 28px;
    border-right:1px solid rgba(255,255,255,.08);
    z-index:60;
  }
}
.brand{
  display:block;
  padding:0 24px 26px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-badge{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--lime-500);
  color:var(--ink-900);
  font-weight:800;
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:-.02em;
  flex:none;
}
.brand-text{line-height:1.2;}
.brand-main{
  display:block;
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:#fff;
}
.brand-sub{
  display:block;
  font-size:13px;
  color:var(--text-400);
  margin-top:2px;
}
.brand-note{
  margin-top:14px;
  font-size:12px;
  color:var(--text-400);
  display:flex;
  align-items:center;
  gap:8px;
}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--lime-500);
  box-shadow:0 0 0 4px rgba(200,242,80,.16);
  flex:none;
}
.nav-group{
  padding:22px 16px 0;
  flex:1 1 auto;
  overflow-y:auto;
}
.nav-group-title{
  font-size:12px;
  color:var(--text-400);
  padding:0 8px 10px;
  letter-spacing:.04em;
}
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 12px;
  border-radius:var(--radius-s);
  font-size:15px;
  color:#C9C4D4;
  position:relative;
  min-height:44px;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-link::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:var(--radius-pill);
  background:transparent;
  transition:background var(--dur) var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-link.is-active{
  background:rgba(200,242,80,.10);
  color:#fff;
  font-weight:700;
}
.nav-link.is-active::before{background:var(--lime-500);}
.nav-foot{
  padding:20px 24px 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.nav-foot .btn-primary{width:100%;justify-content:center;}
.nav-contact{
  margin-top:14px;
  font-size:13px;
  color:var(--text-400);
  line-height:1.7;
}
.nav-contact strong{color:#fff;font-weight:600;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  height:60px;
  padding:0 16px;
  background:rgba(20,18,28,.96);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.10);
  z-index:70;
}
@media (min-width:1024px){
  .topbar{display:none;}
}
.topbar-brand{display:flex;align-items:center;gap:10px;}
.topbar-brand .brand-badge{width:34px;height:34px;font-size:15px;border-radius:10px;}
.topbar-brand .brand-main{font-size:15px;}
.topbar-brand .brand-sub{font-size:11px;}
.burger{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.16);
}
.burger svg{width:20px;height:20px;}
.burger:hover{background:rgba(255,255,255,.08);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(20,18,28,.62);
  opacity:0;visibility:hidden;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,360px);
  background:var(--ink-900);
  color:#fff;
  transform:translateX(100%);
  transition:transform 260ms var(--ease);
  z-index:100;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer-title{font-size:14px;color:var(--text-400);}
.drawer-close{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.16);
}
.drawer-body{padding:14px 14px 24px;flex:1 1 auto;}
.drawer-group-title{
  font-size:12px;color:var(--text-400);
  padding:10px 10px 6px;
}
.drawer .nav-link{min-height:52px;font-size:16px;}
.drawer-foot{
  padding:16px 20px 24px;
  border-top:1px solid rgba(255,255,255,.10);
  position:sticky;
  bottom:0;
  background:var(--ink-900);
}
.drawer-foot .btn-primary{width:100%;justify-content:center;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:15px;
  line-height:1;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{
  background:var(--lime-500);
  color:var(--ink-900);
}
.btn-primary:hover{
  background:var(--lime-600);
  color:var(--ink-900);
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-ghost-dark{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.36);
}
.btn-ghost-dark:hover{background:rgba(200,242,80,.12);color:#fff;border-color:var(--lime-500);}
.btn-ghost{
  background:transparent;
  color:var(--text-900);
  border:1px solid var(--text-900);
}
.btn-ghost:hover{background:rgba(200,242,80,.18);color:var(--text-900);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn.is-loading{pointer-events:none;opacity:.75;}
.btn.is-loading::before{
  content:"";
  width:16px;height:16px;
  border-radius:50%;
  border:2px solid rgba(20,18,28,.28);
  border-top-color:var(--ink-900);
  animation:spin 700ms linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.text-link{
  color:var(--lime-600);
  font-weight:600;
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:1.5px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.text-link:hover{color:var(--coral-600);}
.text-link:hover::after{transform:scaleX(1);}
.on-dark .text-link{color:var(--lime-500);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(200,242,80,.22);
  color:#5C7A12;
  border:1px solid rgba(169,217,58,.5);
}
.badge-coral{background:rgba(255,122,69,.16);color:var(--coral-600);border-color:rgba(255,122,69,.4);}
.badge-violet{background:rgba(124,92,255,.14);color:#5B45C9;border-color:rgba(124,92,255,.36);}
.badge-gray{background:#EFEDE6;color:var(--text-600);border-color:var(--line);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(200,242,80,.45);
  background:rgba(200,242,80,.12);
  color:var(--lime-500);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
}
.section{padding:96px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:48px;
}
.section-title{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-desc{
  margin-top:12px;
  color:var(--text-600);
  max-width:640px;
  font-size:16px;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 首屏 KV ---------- */
.hero{
  position:relative;
  min-height:580px;
  display:flex;
  align-items:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
  border-radius:0 0 var(--radius-l) var(--radius-l);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,28,.90) 0%,rgba(20,18,28,.74) 52%,rgba(20,18,28,.94) 100%);
}
.hero::after{
  content:"";
  position:absolute;
  left:-12%;right:-12%;bottom:-140px;height:280px;
  background:radial-gradient(ellipse at 50% 100%,rgba(200,242,80,.32),rgba(200,242,80,0) 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:96px 0 88px;
  max-width:760px;
}
.hero h1{
  margin-top:22px;
  font-size:52px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:620px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:36px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:48px;
  margin-top:52px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.12);
}
.stat-num{
  font-size:30px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--lime-500);
  font-variant-numeric:tabular-nums;
}
.stat-label{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-top:2px;
}

/* ---------- 玩法阶梯 ---------- */
.steps-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:56px 48px 64px;
  box-shadow:var(--shadow-1);
}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  align-items:start;
}
.step{
  position:relative;
  padding-top:0;
}
.step:nth-child(2){margin-top:16px;}
.step:nth-child(3){margin-top:32px;}
.step:nth-child(4){margin-top:48px;}
.step-num{
  font-size:56px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px var(--lime-600);
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
}
.step-name{
  margin-top:16px;
  font-size:20px;
  font-weight:600;
  line-height:1.4;
}
.step-text{
  margin-top:10px;
  font-size:15px;
  color:var(--text-600);
  line-height:1.8;
}
.step-line{
  margin-top:22px;
  height:2px;
  background:linear-gradient(90deg,var(--lime-500),rgba(200,242,80,0));
  border-radius:var(--radius-pill);
}

/* ---------- 奖励预览 ---------- */
.reward-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.reward-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.reward-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
}
.reward-card.is-rare{border-color:rgba(169,217,58,.62);}
.reward-card.is-legend{border-color:rgba(255,122,69,.62);}
.reward-cover{
  position:relative;
  aspect-ratio:4/3;
  background:#E9E5DC;
  overflow:hidden;
}
.reward-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--dur) var(--ease);
}
.reward-card:hover .reward-cover img{transform:scale(1.03);}
.rarity{
  position:absolute;
  top:12px;left:12px;
  padding:4px 10px;
  border-radius:var(--radius-s);
  font-size:12px;
  font-weight:700;
  background:rgba(246,244,238,.94);
  color:var(--text-600);
  border:1px solid var(--line);
}
.rarity.rare{background:var(--lime-500);color:var(--ink-900);border-color:var(--lime-600);}
.rarity.legend{background:var(--coral-500);color:#fff;border-color:var(--coral-600);}
.reward-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1 1 auto;
}
.reward-name{font-size:18px;font-weight:600;line-height:1.4;}
.reward-cond{
  font-size:14px;
  color:var(--text-600);
  line-height:1.7;
  flex:1 1 auto;
}
.reward-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-400);
}

/* ---------- 任务与进度 ---------- */
.task-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:48px;
  box-shadow:var(--shadow-1);
}
.progress-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.progress-title{font-size:20px;font-weight:600;}
.progress-value{
  font-size:30px;
  font-weight:800;
  color:var(--lime-600);
  font-variant-numeric:tabular-nums;
}
.progress-bar{
  height:10px;
  border-radius:var(--radius-pill);
  background:#E9E5DC;
  overflow:hidden;
}
.progress-fill{
  height:100%;
  width:62%;
  border-radius:inherit;
  background-color:var(--lime-500);
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.42) 0 6px,rgba(255,255,255,0) 6px 12px);
}
.progress-scale{
  display:flex;
  justify-content:space-between;
  margin-top:14px;
  font-size:13px;
  color:var(--text-400);
}
.progress-scale span{flex:1 1 auto;text-align:center;}
.progress-scale span:first-child{text-align:left;}
.progress-scale span:last-child{text-align:right;}
.task-list{
  margin-top:36px;
  border-top:1px solid var(--line);
}
.task-row{
  display:grid;
  grid-template-columns:28px 1fr auto 96px;
  gap:16px;
  align-items:center;
  padding:18px 4px;
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.task-row:hover{background:rgba(246,244,238,.85);}
.task-mark{
  width:22px;height:22px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  flex:none;
}
.mark-done{background:var(--lime-500);color:var(--ink-900);font-weight:800;}
.mark-doing{border:2px solid var(--lime-500);position:relative;}
.mark-doing::after{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:var(--lime-500);
  animation:pulse 1.6s var(--ease) infinite;
}
@keyframes pulse{
  0%{transform:scale(.85);opacity:1;}
  70%{transform:scale(1.35);opacity:.35;}
  100%{transform:scale(.85);opacity:1;}
}
.mark-lock{background:#DAD5C8;}
.task-name{font-size:16px;font-weight:600;}
.task-reward{font-size:14px;color:var(--text-600);}
.task-status{
  font-size:13px;
  text-align:right;
  color:var(--text-400);
}
.status-done{color:var(--lime-600);font-weight:600;}
.status-doing{color:var(--coral-600);font-weight:600;}

/* ---------- 资讯列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:grid;
  grid-template-columns:104px 1fr;
  gap:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.news-list .news-item:first-child{
  padding:30px 28px;
  border-left:4px solid var(--lime-500);
}
.news-date{
  border-right:1px solid var(--line);
  padding-right:16px;
  font-size:13px;
  color:var(--text-400);
  line-height:1.6;
}
.news-date time{font-variant-numeric:tabular-nums;}
.news-body{display:flex;flex-direction:column;gap:10px;min-width:0;}
.news-title{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-title a:hover{color:var(--coral-600);}
.news-summary{
  font-size:15px;
  color:var(--text-600);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:4px;
}
.news-empty{
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-l);
  padding:64px 32px;
  text-align:center;
}
.news-empty .ph{
  width:78px;height:78px;
  margin:0 auto 20px;
  border-radius:var(--radius-m);
  background:
    repeating-linear-gradient(45deg,#EFECE4 0 8px,#F6F4EE 8px 16px);
  border:1px solid var(--line);
}
.news-empty p{color:var(--text-600);margin-bottom:20px;}
.skeleton-list{display:flex;flex-direction:column;gap:16px;}
.skeleton-row{
  height:104px;
  border-radius:var(--radius-m);
  background:linear-gradient(90deg,#EFECE4 0%,#F8F6F0 40%,#EFECE4 80%);
  background-size:220% 100%;
  animation:shimmer 1.5s linear infinite;
}
@keyframes shimmer{0%{background-position:120% 0;}100%{background-position:-20% 0;}}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:12px 32px;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 6px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  transition:background var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-num{
  font-size:14px;
  font-weight:800;
  color:var(--text-400);
  font-variant-numeric:tabular-nums;
  flex:none;
  width:28px;
}
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  font-size:22px;
  font-weight:400;
  color:var(--lime-600);
  line-height:1;
  flex:none;
}
.faq-item[open] summary::after{content:"−";}
.faq-item[open]{
  background:rgba(200,242,80,.09);
  box-shadow:inset 3px 0 0 var(--lime-500);
}
.faq-item[open] .faq-num{color:var(--lime-600);}
.faq-answer{
  padding:0 6px 24px 46px;
  color:var(--text-600);
  font-size:15px;
  line-height:1.9;
  max-width:860px;
}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;
  background:var(--ink-900);
  color:#fff;
  border-radius:var(--radius-l);
  padding:64px 56px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-banner::before{
  content:"";
  position:absolute;
  top:-60px;right:-40px;
  width:340px;height:340px;
  background:linear-gradient(135deg,rgba(200,242,80,.28),rgba(200,242,80,0) 70%);
  transform:rotate(18deg);
  pointer-events:none;
}
.cta-banner::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:180px;height:4px;
  background:var(--lime-500);
}
.cta-inner{position:relative;z-index:2;max-width:640px;}
.cta-title{font-size:30px;font-weight:700;line-height:1.3;}
.cta-text{
  margin-top:12px;
  color:rgba(255,255,255,.76);
  font-size:16px;
}
.cta-banner .btn{position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand .brand-mark{margin-bottom:18px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-list a:hover{color:var(--lime-500);}
.footer-contact{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:24px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;
  font-size:13px;
  min-height:44px;
}
.to-top:hover{background:rgba(200,242,80,.14);color:#fff;border-color:var(--lime-500);}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 18px;
  border-radius:var(--radius-s);
  font-size:14px;
  line-height:1.7;
  border:1px solid;
  margin-bottom:20px;
}
.notice-success{background:rgba(55,178,108,.10);border-color:rgba(55,178,108,.4);color:#1F6B43;}
.notice-warn{background:rgba(232,163,61,.12);border-color:rgba(232,163,61,.42);color:#8A5B10;}
.notice-error{background:rgba(229,72,77,.10);border-color:rgba(229,72,77,.4);color:#9B2428;}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input{
  width:100%;
  height:44px;
  padding:0 14px;
  border-radius:var(--radius-s);
  border:1px solid var(--line);
  background:#fff;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field input:focus{
  outline:none;
  border-color:var(--lime-600);
  box-shadow:0 0 0 3px rgba(200,242,80,.35);
}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.18);}
.field .field-error{display:none;margin-top:6px;font-size:13px;color:var(--danger);}
.field.has-error .field-error{display:block;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .page-wrap{padding:0 32px;}
  .hero h1{font-size:40px;}
  .hero-inner{padding:72px 0 64px;}
  .section{padding:72px 0;}
  .steps-block{padding:40px 32px 48px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px;}
  .step:nth-child(2),.step:nth-child(3),.step:nth-child(4){margin-top:0;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .task-panel{padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-title{font-size:30px;}
}
@media (max-width:767px){
  .page-wrap{padding:0 16px;}
  .hero{min-height:420px;border-radius:0 0 var(--radius-m) var(--radius-m);}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{justify-content:center;width:100%;}
  .hero-stats{gap:28px;margin-top:36px;}
  .stat-num{font-size:24px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:32px;}
  .section-title{font-size:26px;}
  .steps{grid-template-columns:1fr;}
  .steps-block{padding:32px 22px 36px;}
  .steps .step{
    margin-top:0 !important;
    position:relative;
    padding-left:34px;
    padding-bottom:28px;
  }
  .steps .step::before{
    content:"";
    position:absolute;
    left:9px;top:8px;bottom:0;
    width:2px;
    background:var(--line);
  }
  .steps .step:last-child::before{display:none;}
  .steps .step::after{
    content:"";
    position:absolute;
    left:3px;top:8px;
    width:14px;height:14px;
    border-radius:50%;
    background:var(--lime-500);
    border:3px solid var(--paper);
  }
  .step-num{font-size:34px;line-height:1.1;}
  .step-name{font-size:18px;}
  .reward-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .reward-body{padding:16px;}
  .reward-name{font-size:16px;}
  .task-panel{padding:28px 20px;}
  .task-row{grid-template-columns:24px 1fr;grid-template-areas:"mark name" ". reward-status";gap:8px 12px;}
  .task-row .task-mark{grid-area:mark;}
  .task-row .task-name{grid-area:name;}
  .task-row .task-reward{grid-area:reward;font-size:13px;}
  .task-row .task-status{grid-area:status;text-align:left;font-size:13px;}
  .news-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .news-date{border-right:0;border-bottom:1px dashed var(--line);padding:0 0 8px;}
  .faq-wrap{padding:8px 18px;}
  .faq-item summary{font-size:16px;padding:18px 2px;gap:10px;}
  .faq-answer{padding:0 2px 20px 38px;}
  .cta-banner{padding:36px 24px;}
  .cta-title{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .stat-num{font-size:22px;}
  .news-list .news-item:first-child{padding:22px;}
  .cta-banner{flex-direction:column;align-items:flex-start;}
  .cta-banner .btn{width:100%;justify-content:center;}
}

/* roulang page: category1 */
:root{
  --ink-900:#14121C;
  --ink-800:#1D1A28;
  --ink-700:#2A2536;
  --lime-500:#C8F250;
  --lime-600:#A9D93A;
  --coral-500:#FF7A45;
  --coral-600:#E85F2C;
  --violet-500:#7C5CFF;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E6E2D8;
  --text-900:#16141C;
  --text-600:#5A5566;
  --text-400:#8B8697;
  --text-invert:#FFFFFF;
  --success:#37B26C;
  --warn:#E8A33D;
  --danger:#E5484D;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px rgba(20,18,28,.08);
  --shadow-2:0 18px 48px rgba(20,18,28,.16);
  --rail-w:240px;
  --t-fast:150ms;
  --t-base:200ms;
  --t-slow:260ms;
  --ease:ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--lime-600);text-decoration:none;transition:color var(--t-fast) var(--ease)}
a:hover{color:var(--coral-600)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700}
h1{font-size:clamp(30px,4vw,52px);line-height:1.15;letter-spacing:-0.02em;font-weight:800}
h2{font-size:clamp(26px,3vw,34px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(200,242,80,.55);outline-offset:2px;border-radius:var(--radius-s)}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--lime-500);color:var(--ink-900);
  padding:10px 18px;border-radius:var(--radius-s);z-index:200;font-weight:700;
}
.skip-link:focus{left:16px;top:16px}

/* ---------- 布局外壳 ---------- */
.layout{position:relative;min-height:100vh}
.side-rail{
  position:fixed;left:0;top:0;width:var(--rail-w);height:100vh;
  background:var(--ink-900);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  padding:28px 18px 22px;
  overflow-y:auto;
  z-index:60;
}
.rail-top{padding:0 6px 22px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;flex:0 0 38px;
  border-radius:var(--radius-s);
  background:var(--lime-500);color:var(--ink-900);
  font-weight:800;font-size:15px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:800;color:var(--text-invert);letter-spacing:.01em}
.brand-sub{font-size:12px;color:var(--text-400)}
.brand-note{
  margin:14px 0 0;font-size:12px;line-height:1.6;color:var(--text-400);
  letter-spacing:.02em;
}
.rail-nav{flex:1 1 auto;padding:20px 0}
.nav-group + .nav-group{margin-top:22px}
.nav-group-title{
  margin:0 0 10px;padding:0 10px;
  font-size:12px;color:var(--text-400);
}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-link{
  position:relative;display:flex;align-items:center;
  min-height:46px;padding:0 12px 0 16px;
  border-radius:var(--radius-s);
  color:rgba(255,255,255,.76);font-size:15px;
  transition:background var(--t-base) var(--ease),color var(--t-base) var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:var(--radius-pill);
  background:var(--lime-500);transition:height var(--t-base) var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.06);color:var(--text-invert)}
.nav-link.is-active{
  background:rgba(200,242,80,.10);
  color:var(--lime-500);font-weight:700;
}
.nav-link.is-active::before{height:22px}
.rail-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:18px}
.rail-contact{
  margin:14px 0 0;font-size:12px;line-height:1.7;color:var(--text-400);
}
.rail-contact strong{color:rgba(255,255,255,.8);font-weight:600}

.content-col{margin-left:var(--rail-w);min-height:100vh;display:flex;flex-direction:column}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;left:0;right:0;top:0;height:60px;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(20,18,28,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
  z-index:70;
}
.topbar .brand-mark{gap:8px}
.topbar .brand-badge{width:32px;height:32px;flex:0 0 32px;font-size:13px}
.topbar .brand-main{font-size:15px}
.topbar .brand-sub{font-size:11px}
.menu-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-s);
  color:var(--text-invert);
}
.menu-btn:hover{background:rgba(255,255,255,.08)}

/* ---------- 抽屉导航 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,28,.6);
  opacity:0;visibility:hidden;transition:opacity var(--t-base) var(--ease),visibility var(--t-base);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100vh;width:min(360px,88vw);
  background:var(--ink-900);border-left:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform var(--t-slow) var(--ease);
  z-index:100;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px;border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-close{
  width:44px;height:44px;background:transparent;border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-s);color:var(--text-invert);font-size:22px;line-height:1;
}
.drawer-body{flex:1 1 auto;overflow-y:auto;padding:20px 16px}
.drawer-body .nav-link{min-height:52px;font-size:16px}
.drawer-foot{
  padding:16px;border-top:1px solid rgba(255,255,255,.08);
  background:var(--ink-900);
}
.drawer-foot .btn{width:100%}

/* ---------- 容器 ---------- */
.page-wrap{
  width:100%;max-width:1280px;margin:0 auto;
  padding:0 40px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 28px;
  border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-base) var(--ease),
             background var(--t-base) var(--ease),color var(--t-base) var(--ease),
             border-color var(--t-base) var(--ease);
}
.btn-primary{background:var(--lime-500);color:var(--ink-900)}
.btn-primary:hover{background:var(--lime-600);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:var(--text-invert)}
.btn-ghost:hover{background:rgba(200,242,80,.12);border-color:var(--lime-500);color:var(--lime-500)}
.btn-ghost-dark{background:transparent;border-color:var(--text-900);color:var(--text-900)}
.btn-ghost-dark:hover{background:rgba(20,18,28,.06);color:var(--text-900)}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  position:relative;font-weight:600;color:var(--lime-600);
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:currentColor;transition:width var(--t-base) var(--ease);
}
.text-link:hover::after{width:100%}
.text-link.on-dark{color:var(--lime-500)}
.text-link.on-dark:hover{color:var(--lime-600)}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(200,242,80,.16);color:var(--lime-600);
  border:1px solid rgba(200,242,80,.4);
}
.badge.on-dark{background:rgba(200,242,80,.14);color:var(--lime-500);border-color:rgba(200,242,80,.35)}
.badge.coral{background:rgba(255,122,69,.14);color:var(--coral-600);border-color:rgba(255,122,69,.35)}
.badge.plain{background:rgba(20,18,28,.05);color:var(--text-600);border-color:var(--line)}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--lime-500)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--text-invert);font-weight:700}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-color:var(--ink-900);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:var(--text-invert);
  padding:64px 0 0;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(20,18,28,.94) 0%,rgba(20,18,28,.86) 48%,rgba(20,18,28,.92) 100%);
}
.hero::after{
  content:"";position:absolute;left:-10%;right:-10%;bottom:-140px;height:260px;
  background:radial-gradient(50% 100% at 50% 100%,rgba(200,242,80,.22),rgba(200,242,80,0) 70%);
  pointer-events:none;
}
.hero .page-wrap{position:relative;z-index:2}
.hero-inner{padding:12px 0 84px;max-width:820px}
.hero h1{color:var(--text-invert);margin:18px 0 20px}
.hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);
  max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:46px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;border-top:1px solid rgba(255,255,255,.10);padding-top:26px;max-width:700px;
}
.stat-num{
  font-family:"Barlow Semi Condensed","DIN Alternate",inherit;
  font-size:32px;font-weight:700;color:var(--lime-500);line-height:1.1;
}
.stat-label{font-size:13px;color:rgba(255,255,255,.62);margin-top:4px}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head h2{margin-bottom:16px}
.section-head p{color:var(--text-600);margin:0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-dark{background:var(--ink-900);color:var(--text-invert)}
.section-dark h2,.section-dark h3{color:var(--text-invert)}
.section-dark .section-head p{color:rgba(255,255,255,.7)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;color:var(--lime-600);
  letter-spacing:.04em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime-500);border-radius:2px}

/* ---------- 图文交替 ---------- */
.entry-list{display:flex;flex-direction:column;gap:72px}
.entry-row{
  display:grid;grid-template-columns:1fr 1fr;
  gap:56px;align-items:center;
}
.entry-row.is-flipped .entry-media{order:2}
.entry-media{position:relative}
.entry-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-m);
  background:var(--line);
  box-shadow:var(--shadow-1);
  transition:transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);
}
.entry-row:hover .entry-media img{transform:scale(1.015);box-shadow:var(--shadow-2)}
.entry-index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;color:var(--coral-600);margin-bottom:12px;
  letter-spacing:.04em;
}
.entry-index span{
  font-family:"Barlow Semi Condensed","DIN Alternate",inherit;
  font-size:30px;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px var(--coral-500);
}
.entry-body h3{margin-bottom:14px;font-size:22px}
.entry-body > p{color:var(--text-600)}
.entry-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.entry-points li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text-600);line-height:1.75;
}
.entry-points li::before{
  content:"";position:absolute;left:0;top:11px;
  width:10px;height:10px;border-radius:50%;
  background:rgba(200,242,80,.25);border:2px solid var(--lime-600);
}

/* ---------- 检查清单 ---------- */
.check-block{
  display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;
}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:32px;box-shadow:var(--shadow-1);
}
.check-card h3{margin-bottom:20px;font-size:20px}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-m);
  background:var(--paper);border:1px solid var(--line);
  transition:transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.check-mark{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--lime-500);color:var(--ink-900);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;margin-top:3px;
}
.check-text strong{display:block;font-size:15px;margin-bottom:2px}
.check-text span{font-size:13px;color:var(--text-600);line-height:1.7}
.check-aside img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-l);
  background:var(--line);box-shadow:var(--shadow-1);
}
.check-aside .tip{
  margin-top:20px;padding:18px 20px;border-radius:var(--radius-m);
  background:rgba(124,92,255,.06);border:1px solid rgba(124,92,255,.22);
  font-size:14px;color:var(--text-600);line-height:1.75;
}
.check-aside .tip strong{color:var(--text-900)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  margin-bottom:14px;overflow:hidden;
  transition:box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-1)}
.faq-item[open]{border-color:rgba(200,242,80,.7);box-shadow:var(--shadow-1)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-num{
  flex:0 0 30px;font-family:"Barlow Semi Condensed","DIN Alternate",inherit;
  font-size:15px;font-weight:700;color:var(--text-400);
}
.faq-q{flex:1 1 auto}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;position:relative;transition:transform var(--t-base) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-900);
  border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--lime-600)}
.faq-body{
  padding:0 22px 22px 68px;
  font-size:15px;color:var(--text-600);line-height:1.85;
}
.faq-item[open] summary{border-left:3px solid var(--lime-500);padding-left:19px}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:var(--text-invert);
}
.cta-band::before{
  content:"";position:absolute;top:-60px;right:-60px;width:380px;height:380px;
  background:linear-gradient(135deg,rgba(200,242,80,.22),rgba(200,242,80,0) 62%);
  transform:rotate(18deg);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;left:0;bottom:0;width:180px;height:6px;
  background:var(--lime-500);border-radius:0 var(--radius-pill) var(--radius-pill) 0;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:28px;padding:56px 0;
}
.cta-text h2{margin-bottom:8px;font-size:28px}
.cta-text p{margin:0;color:rgba(255,255,255,.72);font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:auto}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-400);max-width:340px}
.footer-title{font-size:13px;font-weight:700;color:var(--text-invert);margin:0 0 16px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{
  font-size:14px;color:rgba(255,255,255,.68);
  transition:color var(--t-fast) var(--ease);
}
.footer-list a:hover{color:var(--lime-500)}
.footer-contact{font-size:14px;line-height:1.9;color:var(--text-400);margin:0}
.footer-contact strong{color:rgba(255,255,255,.86);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 28px;font-size:13px;color:var(--text-400);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:10px 18px;border-radius:var(--radius-pill);
  background:transparent;border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.8);font-size:13px;
  transition:background var(--t-base) var(--ease),border-color var(--t-base) var(--ease),color var(--t-base) var(--ease);
}
.to-top:hover{background:rgba(200,242,80,.12);border-color:var(--lime-500);color:var(--lime-500)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-wrap{padding:0 32px}
  .section{padding:72px 0}
  .entry-row{gap:40px}
  .check-block{gap:40px}
}
@media (max-width:1023px){
  .side-rail{display:none}
  .topbar{display:flex}
  .content-col{margin-left:0;padding-top:60px}
  .hero-inner{padding:8px 0 64px}
  .entry-list{gap:56px}
}
@media (max-width:767px){
  .page-wrap{padding:0 16px}
  .section{padding:56px 0}
  .entry-row,.check-block{grid-template-columns:1fr;gap:24px}
  .entry-row.is-flipped .entry-media{order:0}
  .hero{padding-top:32px}
  .hero-stats{grid-template-columns:1fr;gap:16px}
  .hero-stats > div{display:flex;align-items:baseline;gap:12px}
  .stat-label{margin-top:0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .faq-body{padding-left:22px}
}
@media (max-width:639px){
  .section-head{margin-bottom:32px}
  .check-card{padding:22px}
  .entry-body h3{font-size:19px}
}

/* roulang page: article */
:root{
  --ink-900:#14121C;
  --ink-800:#1D1A28;
  --ink-700:#2A2536;
  --lime-500:#C8F250;
  --lime-600:#A9D93A;
  --coral-500:#FF7A45;
  --coral-600:#E85F2C;
  --violet-500:#7C5CFF;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E6E2D8;
  --text-900:#16141C;
  --text-600:#5A5566;
  --text-400:#8B8697;
  --text-invert:#FFFFFF;
  --success:#37B26C;
  --warn:#E8A33D;
  --danger:#E5484D;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px rgba(20,18,28,.08);
  --shadow-2:0 18px 48px rgba(20,18,28,.16);
  --rail-w:240px;
  --t-fast:150ms;
  --t-mid:200ms;
  --t-slow:260ms;
  --ease:ease-out;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(200,242,80,.55);outline-offset:2px;border-radius:4px}

/* ---------- 容器与页面骨架 ---------- */
.page-wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.main-area{padding-top:60px}
@media (min-width:1024px){
  .main-area{padding-top:0;margin-left:var(--rail-w)}
}
@media (min-width:1024px){
  .page-wrap{padding:0 40px}
}
@media (max-width:1023px){
  .page-wrap{padding:0 32px}
}
@media (max-width:767px){
  .page-wrap{padding:0 16px}
}

/* ---------- 品牌 ---------- */
.brand-mark{display:inline-flex;align-items:center;gap:10px}
.brand-badge{
  width:38px;height:38px;flex:none;border-radius:10px;
  background:var(--lime-500);color:var(--ink-900);
  font-weight:800;font-size:13px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;color:var(--text-invert)}
.brand-sub{font-size:11px;color:rgba(255,255,255,.62);letter-spacing:.04em}

/* ---------- 左侧竖向导航 ---------- */
.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  background:var(--ink-900);
  border-right:1px solid rgba(255,255,255,.08);
  display:none;flex-direction:column;gap:24px;
  padding:28px 20px 20px;z-index:50;
}
@media (min-width:1024px){ .rail{display:flex} }
.rail-head{padding:0 6px}
.rail-tag{
  margin-top:14px;font-size:12px;color:rgba(255,255,255,.55);
  letter-spacing:.04em;
}
.nav-group{margin-top:8px}
.nav-group-title{
  font-size:12px;color:var(--text-400);letter-spacing:.05em;
  padding:0 14px;margin-bottom:8px;
}
.nav-list,.nav-list li{display:block}
.nav-link{
  position:relative;display:flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:var(--radius-s);
  color:rgba(255,255,255,.74);font-size:15px;
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link.is-active{background:rgba(200,242,80,.12);color:#fff;font-weight:700}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:2px;background:var(--lime-500);
}
.rail-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.rail-contact{
  font-size:12px;color:rgba(255,255,255,.55);line-height:1.7;
  border-top:1px solid rgba(255,255,255,.08);padding-top:14px;
}
.rail-contact strong{color:var(--lime-500);font-weight:600}

/* ---------- 移动端顶部栏与抽屉 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--ink-900);border-bottom:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;z-index:60;
}
@media (min-width:1024px){ .topbar{display:none} }
.burger{
  width:44px;height:44px;border:1px solid rgba(255,255,255,.18);
  background:transparent;border-radius:var(--radius-s);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.burger:hover{background:rgba(255,255,255,.08)}
.mask{
  position:fixed;inset:0;background:rgba(20,18,28,.62);
  opacity:0;visibility:hidden;transition:opacity var(--t-slow) var(--ease),visibility var(--t-slow) var(--ease);
  z-index:70;
}
.mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--ink-800);border-left:1px solid rgba(255,255,255,.08);
  transform:translateX(102%);
  transition:transform var(--t-slow) var(--ease);
  z-index:80;display:flex;flex-direction:column;
  padding:18px 18px 0;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border:1px solid rgba(255,255,255,.18);
  background:transparent;border-radius:var(--radius-s);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.drawer .nav-link{min-height:52px;font-size:16px}
.drawer-foot{
  position:sticky;bottom:0;margin-top:24px;padding:16px 0 18px;
  background:var(--ink-800);border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:10px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),
             box-shadow var(--t-mid) var(--ease),color var(--t-fast) var(--ease);
  min-height:44px;
}
.btn-primary{background:var(--lime-500);color:var(--ink-900)}
.btn-primary:hover{background:var(--lime-600);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1)}
.btn-outline{background:transparent;color:var(--text-900);border-color:var(--text-900)}
.btn-outline:hover{background:rgba(20,18,28,.06)}
.btn-outline.on-dark{color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline.on-dark:hover{background:rgba(255,255,255,.1)}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{background:rgba(20,18,28,.05)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{position:relative;color:rgba(20,18,28,.5)}
.btn.is-loading::before{
  content:"";width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(20,18,28,.25);border-top-color:var(--ink-900);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--lime-600);font-weight:600;
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size var(--t-mid) var(--ease),color var(--t-fast) var(--ease);
  padding-bottom:2px;
}
.text-link:hover{background-size:100% 1px;color:var(--coral-600)}
.text-link.on-dark{color:var(--lime-500)}
.text-link.on-dark:hover{color:var(--lime-600)}

/* ---------- 文章横幅 ---------- */
.article-hero{
  background:var(--ink-900);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:32px 0 48px;
  position:relative;overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-80px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,242,80,.18),rgba(200,242,80,0) 68%);
  pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58)}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:var(--lime-500)}
.crumbs .sep{color:rgba(255,255,255,.32)}
.crumbs .current{color:#fff;font-weight:700}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;margin:26px 0 16px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(200,242,80,.14);color:var(--lime-500);
  font-size:12px;letter-spacing:.04em;
}
.hero-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--lime-500)}
.article-hero h1{
  color:#fff;font-size:40px;font-weight:800;line-height:1.2;letter-spacing:-.02em;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  margin-top:22px;font-size:13px;color:rgba(255,255,255,.62);
}
.article-meta .chip{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  color:#fff;font-size:12px;
}
.article-meta .chip.is-coral{background:rgba(255,122,69,.16);border-color:rgba(255,122,69,.35);color:#FFD3C2}

/* ---------- 正文区 ---------- */
.article-body{padding:56px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:start}
}
.article-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);box-shadow:var(--shadow-1);
  padding:40px;
}
@media (max-width:767px){ .article-card{padding:24px 18px;border-radius:var(--radius-m)} }
.tip{
  display:flex;gap:10px;align-items:flex-start;
  padding:14px 18px;border-radius:var(--radius-s);font-size:14px;line-height:1.7;
  margin-bottom:28px;
}
.tip-info{background:#EEF6FF;color:#22405E;border:1px solid #D6E7F7}
.tip-success{background:#EAF7F0;color:#1E5B3C;border:1px solid #CBE9D8}
.tip-warn{background:#FDF4E4;color:#7A5514;border:1px solid #F1DFBB}
.tip-danger{background:#FDECEC;color:#7C2626;border:1px solid #F3CFCF}
.tip svg{flex:none;margin-top:3px}

.prose{max-width:760px;font-size:16px;line-height:1.9;color:var(--text-900);overflow-wrap:break-word}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.35;
  margin:40px 0 16px;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--lime-500);
}
.prose h3{font-size:20px;font-weight:600;line-height:1.5;margin:28px 0 12px}
.prose h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--text-600)}
.prose ul,.prose ol{margin:0 0 1.2em}
.prose ul li{position:relative;padding-left:22px;margin-bottom:8px}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;
  border-radius:50%;background:var(--lime-500);
}
.prose ol{counter-reset:item}
.prose ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:item}
.prose ol li::before{
  content:counter(item);position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:50%;
  background:var(--ink-900);color:var(--lime-500);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:0 0 1.2em;padding:16px 20px;
  background:var(--paper);border-left:3px solid var(--lime-500);
  border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--text-600);
}
.prose figure{margin:28px 0}
.prose figure img{border-radius:var(--radius-m);width:100%}
.prose figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--text-400);
}
.prose img{border-radius:var(--radius-m)}
.prose a{
  color:var(--lime-600);font-weight:600;
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size var(--t-mid) var(--ease),color var(--t-fast) var(--ease);
}
.prose a:hover{background-size:100% 1px;color:var(--coral-600)}
.prose strong{font-weight:700}
.prose hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.prose .table-wrap{overflow-x:auto;margin:0 0 1.4em;border-radius:var(--radius-s)}
.prose table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px}
.prose thead th{
  background:var(--paper);text-align:left;font-weight:700;color:var(--text-900);
  padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.prose tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-600)}

/* ---------- 文末区 ---------- */
.article-foot{margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.section-label{
  font-size:13px;color:var(--text-400);letter-spacing:.04em;margin-bottom:14px;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:var(--paper);border:1px solid var(--line);
  font-size:13px;color:var(--text-600);
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.tag:hover{background:rgba(200,242,80,.22);border-color:var(--lime-600);color:var(--text-900)}

.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:48px}
@media (max-width:767px){ .pn-grid{grid-template-columns:1fr} }
.pn-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);box-shadow:var(--shadow-1);
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--lime-600)}
.pn-card .pn-dir{font-size:12px;color:var(--text-400);letter-spacing:.04em}
.pn-card .pn-title{font-size:16px;font-weight:600;line-height:1.5;color:var(--text-900)}
.pn-card.is-next{text-align:right;align-items:flex-end}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:1023px){ .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:639px){ .rel-grid{grid-template-columns:1fr} }
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rel-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:#E9E5DC}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5}
.rel-body p{font-size:14px;color:var(--text-600);line-height:1.75}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12px;letter-spacing:.02em;
  background:rgba(200,242,80,.24);color:#4A5A12;border:1px solid rgba(169,217,58,.6);
}
.badge.is-coral{background:rgba(255,122,69,.16);color:var(--coral-600);border-color:rgba(255,122,69,.35)}
.badge.is-violet{background:rgba(124,92,255,.14);color:#4B36B8;border-color:rgba(124,92,255,.3)}
.back-row{margin-top:48px;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);padding:22px;margin-bottom:20px;
}
@media (min-width:1200px){ .side-sticky{position:sticky;top:32px} }
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px}
.side-list li+li{border-top:1px solid var(--line)}
.side-list a{
  display:flex;align-items:center;gap:10px;
  padding:12px 0;font-size:14px;color:var(--text-600);
  transition:color var(--t-fast) var(--ease),padding-left var(--t-fast) var(--ease);
}
.side-list a:hover{color:var(--lime-600);padding-left:4px}
.side-list .idx{
  width:22px;height:22px;flex:none;border-radius:6px;
  background:var(--paper);color:var(--text-400);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.side-cta{
  background:var(--ink-900);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-m);padding:24px;color:#fff;
}
.side-cta h3{font-size:17px;font-weight:700;margin-bottom:10px}
.side-cta p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.75;margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- 空态 ---------- */
.empty{
  text-align:center;padding:64px 24px;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-figure{
  width:96px;height:96px;border-radius:var(--radius-l);
  background:var(--paper);border:1px dashed var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-400);
}
.empty h2{font-size:22px;font-weight:700}
.empty p{font-size:15px;color:var(--text-600)}
.empty-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:6px}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:64px;
  background:var(--ink-900);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-l);padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,242,80,.22),rgba(200,242,80,0) 70%);
  pointer-events:none;
}
.cta-band h2{position:relative;color:#fff;font-size:28px;font-weight:700;line-height:1.35}
.cta-band p{position:relative;color:rgba(255,255,255,.68);font-size:15px;margin-top:10px;max-width:620px}
.cta-actions{position:relative;display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:639px){
  .cta-band{padding:28px 20px;border-radius:var(--radius-m)}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 24px;font-size:14px;line-height:1.8;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
}
@media (max-width:1023px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:639px){ .footer-grid{grid-template-columns:1fr;gap:28px} }
.footer-brand p{margin-top:16px;max-width:360px;color:rgba(255,255,255,.6)}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.68);transition:color var(--t-fast) var(--ease)}
.footer-list a:hover{color:var(--lime-500)}
.footer-contact{color:rgba(255,255,255,.68)}
.footer-contact strong{color:var(--lime-500);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--radius-pill);
  background:transparent;border:1px solid rgba(255,255,255,.22);color:#fff;
  font-size:13px;min-height:44px;
  transition:background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.to-top:hover{background:rgba(200,242,80,.14);transform:translateY(-1px)}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--radius-pill);
  background:rgba(200,242,80,.18);border:1px solid rgba(169,217,58,.5);
  color:#4A5A12;font-size:13px;width:fit-content;margin-bottom:20px;
}
.notice-dot{width:8px;height:8px;border-radius:50%;background:var(--lime-600)}

/* ---------- 表单 ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-600);margin-bottom:8px}
.field input[type="text"],
.field input[type="email"],
.field textarea{
  width:100%;min-height:44px;padding:10px 14px;
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);color:var(--text-900);
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--lime-600);box-shadow:0 0 0 3px rgba(200,242,80,.35);
}
.field.has-error input,.field.has-error textarea{border-color:var(--danger)}
.field.has-error input:focus,.field.has-error textarea:focus{box-shadow:0 0 0 3px rgba(229,72,77,.22)}
.field .field-msg{margin-top:8px;font-size:13px;color:var(--danger)}

/* ---------- 骨架屏 ---------- */
.skeleton{
  background:linear-gradient(90deg,#EFEDE7 25%,#F7F5F0 37%,#EFEDE7 63%);
  background-size:400% 100%;animation:shimmer 1.4s ease infinite;
  border-radius:var(--radius-s);
}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}

@media (max-width:639px){
  .article-hero{padding:20px 0 34px}
  .article-hero h1{font-size:30px}
  .article-body{padding:36px 0 64px}
  .cta-band{margin-top:44px}
}

/* roulang page: category2 */
:root{
  --ink-900:#14121C;
  --ink-800:#1D1A28;
  --ink-700:#2A2536;
  --lime-500:#C8F250;
  --lime-600:#A9D93A;
  --coral-500:#FF7A45;
  --coral-600:#E85F2C;
  --violet-500:#7C5CFF;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E6E2D8;
  --text-900:#16141C;
  --text-600:#5A5566;
  --text-400:#8B8697;
  --text-invert:#FFFFFF;
  --success:#37B26C;
  --warn:#E8A33D;
  --danger:#E5484D;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06), 0 8px 24px rgba(20,18,28,.08);
  --shadow-2:0 18px 48px rgba(20,18,28,.16);
  --dur:200ms;
  --ease:ease-out;
  --space-section:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--coral-600);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(200,242,80,.55);outline-offset:2px;border-radius:4px;}

h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em;}
h2{font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{font-size:16px;line-height:1.85;}
.muted{color:var(--text-600);}
.small{font-size:13px;color:var(--text-600);line-height:1.7;}

/* ============ 布局骨架 ============ */
.sidebar{
  position:fixed;top:0;left:0;z-index:60;
  width:240px;height:100vh;
  background:var(--ink-900);
  border-right:1px solid rgba(255,255,255,.10);
  display:none;flex-direction:column;
  padding:28px 0 24px;
  overflow-y:auto;
}
.sidebar-inner{display:flex;flex-direction:column;height:100%;gap:28px;}
.brand-mark{display:inline-flex;align-items:center;gap:12px;padding:0 24px;}
.brand-badge{
  width:40px;height:40px;flex:0 0 40px;border-radius:var(--radius-s);
  background:var(--lime-500);color:var(--ink-900);
  display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-main{color:var(--text-invert);font-weight:800;font-size:16px;letter-spacing:-.01em;}
.brand-sub{color:var(--text-400);font-size:12px;}
.brand-note{
  padding:0 24px;font-size:12px;color:var(--text-400);
  line-height:1.6;
}
.nav-group{display:flex;flex-direction:column;gap:6px;padding:0 12px;}
.nav-group-title{
  padding:0 12px 6px;font-size:12px;color:var(--text-400);letter-spacing:.04em;
}
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-link{
  position:relative;display:flex;align-items:center;
  min-height:46px;padding:10px 14px;border-radius:var(--radius-s);
  color:#CFCADB;font-size:14px;font-weight:500;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:var(--radius-pill);background:transparent;
  transition:background var(--dur) var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.06);color:var(--text-invert);}
.nav-link.is-active{
  background:rgba(200,242,80,.10);color:var(--text-invert);font-weight:700;
}
.nav-link.is-active::before{background:var(--lime-500);}
.sidebar-actions{
  margin-top:auto;padding:0 24px;display:flex;flex-direction:column;gap:14px;
}
.sidebar-contact{font-size:12px;color:var(--text-400);line-height:1.7;}
.sidebar-contact strong{color:#CFCADB;font-weight:600;}

.topbar{
  position:fixed;top:0;left:0;right:0;z-index:70;height:60px;
  background:rgba(20,18,28,.96);
  border-bottom:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .brand-mark{padding:0;gap:10px;}
.topbar .brand-badge{width:34px;height:34px;flex:0 0 34px;font-size:12px;}
.topbar .brand-main{font-size:15px;}
.topbar .brand-sub{font-size:11px;}
.menu-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.16);color:var(--text-invert);
}
.menu-btn:hover{background:rgba(255,255,255,.08);}

.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(20,18,28,.6);
  opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;width:min(320px,86vw);
  background:var(--ink-900);border-left:1px solid rgba(255,255,255,.10);
  transform:translateX(100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;padding:20px 0 0;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 18px;}
.drawer-head span{color:var(--text-invert);font-weight:700;font-size:15px;}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;color:var(--text-invert);
  border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.16);
}
.drawer .nav-group{padding:0 12px;gap:2px;}
.drawer .nav-link{min-height:52px;font-size:15px;}
.drawer-foot{
  margin-top:auto;position:sticky;bottom:0;
  padding:16px 20px 22px;background:var(--ink-900);
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-direction:column;gap:10px;
}

.page-wrap{max-width:1280px;margin:0 auto;padding:0 40px;}
.site-main{padding-top:60px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  min-height:48px;
}
.btn-primary{background:var(--lime-500);color:var(--ink-900);}
.btn-primary:hover{background:var(--lime-600);transform:translateY(-1px);box-shadow:var(--shadow-2);color:var(--ink-900);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:var(--text-invert);background:transparent;}
.btn-ghost:hover{background:rgba(200,242,80,.10);border-color:var(--lime-500);color:var(--text-invert);}
.btn-outline{border:1px solid var(--ink-900);color:var(--ink-900);background:transparent;}
.btn-outline:hover{background:rgba(20,18,28,.06);color:var(--ink-900);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;position:relative;
  color:var(--lime-600);font-weight:600;font-size:14px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:currentColor;transition:width 220ms var(--ease);
}
.text-link:hover{color:var(--coral-600);}
.text-link:hover::after{width:100%;}
.text-link.on-dark{color:var(--lime-500);}
.text-link.on-dark:hover{color:var(--lime-600);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(200,242,80,.18);color:#4C6B12;
}
.badge-coral{background:rgba(255,122,69,.16);color:#B8431A;}
.badge-violet{background:rgba(124,92,255,.14);color:#4C37A8;}
.badge-neutral{background:rgba(20,18,28,.06);color:var(--text-600);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(200,242,80,.16);border:1px solid rgba(200,242,80,.4);
  color:var(--lime-500);font-size:12px;font-weight:600;
}

/* ============ 内页 Hero ============ */
.inner-hero{
  position:relative;overflow:hidden;
  background-color:var(--ink-900);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-radius:0 0 var(--radius-l) var(--radius-l);
}
.inner-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 300px at 12% 108%, rgba(200,242,80,.22), transparent 68%),
    linear-gradient(180deg, rgba(20,18,28,.86), rgba(20,18,28,.94));
}
.inner-hero-inner{
  position:relative;z-index:2;
  padding:72px 0 64px;
  display:grid;gap:26px;max-width:840px;
}
.inner-hero h1{color:var(--text-invert);}
.inner-hero .lead{
  color:#D6D2E0;font-size:17px;line-height:1.8;max-width:640px;
}
.crumb{font-size:13px;color:var(--text-400);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:#CFCADB;}
.crumb a:hover{color:var(--lime-500);}
.crumb .sep{color:rgba(255,255,255,.28);}
.crumb .current{color:var(--text-invert);font-weight:700;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:12px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
}
.stat-num{
  font-family:"Barlow Semi Condensed","DIN Alternate",sans-serif;
  font-size:30px;font-weight:800;color:var(--lime-500);line-height:1.1;
}
.stat-label{font-size:13px;color:var(--text-400);}

/* ============ 通用区块 ============ */
.section{padding:var(--space-section) 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:44px;}
.section-head .eyebrow{
  font-size:12px;font-weight:700;color:var(--lime-600);letter-spacing:.06em;margin-bottom:10px;display:block;
}
.section-head p{color:var(--text-600);max-width:560px;margin-top:10px;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.notice{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 20px;border-radius:var(--radius-m);
  border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);
  margin-bottom:40px;
}
.notice-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:var(--radius-s);
  background:rgba(200,242,80,.22);color:#4C6B12;display:grid;place-items:center;font-weight:800;font-size:14px;
}
.notice-warn .notice-icon{background:rgba(232,163,61,.18);color:#9A6412;}
.notice p{font-size:14px;color:var(--text-600);line-height:1.75;}

/* ============ 时间轴（本页主版式） ============ */
.timeline{position:relative;padding-left:76px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:31px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--lime-500),rgba(200,242,80,.18));
}
.tl-item{position:relative;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:12px;top:0;width:40px;height:40px;
  display:grid;place-items:center;border-radius:50%;
  background:var(--ink-900);color:var(--lime-500);
  border:2px solid var(--lime-500);
  font-family:"Barlow Semi Condensed","DIN Alternate",sans-serif;
  font-size:15px;font-weight:800;
}
.tl-body{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tl-body h3{margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--text-600);}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}

/* ============ 要点清单 ============ */
.checklist{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr));}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.check-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:var(--radius-pill);
  background:var(--lime-500);color:var(--ink-900);
  display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:3px;
}
.check-item h3{font-size:16px;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--text-600);line-height:1.75;}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split + .split{margin-top:48px;}
.split-media{
  border-radius:var(--radius-m);overflow:hidden;
  border:1px solid var(--line);background:#E9E5DC;box-shadow:var(--shadow-1);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 220ms var(--ease);}
.split-media:hover img{transform:scale(1.03);}
.split-text h3{margin-bottom:10px;}
.split-text p{color:var(--text-600);font-size:15px;}
.split-order{display:flex;flex-direction:column;gap:16px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);overflow:hidden;
  position:relative;transition:box-shadow var(--dur) var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;transition:background var(--dur) var(--ease);
}
.faq-item[open]::before{background:var(--lime-500);}
.faq-item[open]{background:#FDFCF7;box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;min-height:60px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 24px;text-align:center;
  font-size:20px;font-weight:600;color:var(--lime-600);
  transition:transform var(--dur) var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-index{
  font-family:"Barlow Semi Condensed","DIN Alternate",sans-serif;
  font-size:14px;font-weight:800;color:var(--text-400);
}
.faq-body{padding:0 24px 22px 60px;color:var(--text-600);font-size:15px;line-height:1.85;}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);border-radius:var(--radius-l);
  padding:56px 48px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;
  background:linear-gradient(135deg,rgba(200,242,80,.35),rgba(200,242,80,0));
  transform:rotate(28deg);border-radius:var(--radius-l);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.cta-inner h2{color:var(--text-invert);font-size:clamp(24px,2.6vw,30px);}
.cta-inner p{color:#D6D2E0;margin-top:10px;font-size:15px;max-width:520px;}

/* ============ 表单 / 提示条 / 空态 / 骨架 ============ */
.form-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.field{
  height:44px;padding:0 16px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:var(--text-900);min-width:220px;flex:1 1 220px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field:focus{outline:none;border-color:var(--lime-500);box-shadow:0 0 0 3px rgba(200,242,80,.35);}
.field.is-error{border-color:var(--danger);}
.form-hint{font-size:13px;color:var(--text-400);margin-top:10px;}
.form-error{font-size:13px;color:var(--danger);margin-top:8px;}

.alert{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;border-radius:var(--radius-s);font-size:14px;
  border:1px solid transparent;margin-bottom:12px;
}
.alert-success{background:rgba(55,178,108,.10);border-color:rgba(55,178,108,.35);color:#1F6E44;}
.alert-warn{background:rgba(232,163,61,.12);border-color:rgba(232,163,61,.4);color:#8A5A10;}
.alert-error{background:rgba(229,72,77,.10);border-color:rgba(229,72,77,.35);color:#9B2C2F;}

.empty-state{
  display:grid;place-items:center;gap:14px;text-align:center;
  padding:56px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--radius-m);
}
.empty-figure{
  width:64px;height:64px;border-radius:var(--radius-m);
  background:linear-gradient(135deg,#E9E5DC,#F6F4EE);
  display:grid;place-items:center;color:var(--text-400);
}

.skeleton{
  height:16px;border-radius:var(--radius-s);
  background:linear-gradient(90deg,#EDEAE2 25%,#F6F4EE 37%,#EDEAE2 63%);
  background-size:400% 100%;animation:shimmer 1.4s infinite linear;
}
@keyframes shimmer{0%{background-position:100% 0;}100%{background-position:0 0;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#CFCADB;margin-top:96px;border-top:1px solid rgba(255,255,255,.10);}
.site-footer .page-wrap{padding-top:64px;padding-bottom:28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-mark{padding:0;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-400);line-height:1.8;max-width:340px;}
.footer-title{color:var(--text-invert);font-weight:700;font-size:14px;margin-bottom:14px;}
.footer-list{display:grid;gap:10px;}
.footer-list a{font-size:14px;color:#CFCADB;}
.footer-list a:hover{color:var(--lime-500);}
.footer-contact{font-size:14px;color:var(--text-400);line-height:1.9;}
.footer-contact strong{color:#CFCADB;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-400);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);color:var(--text-invert);font-size:13px;
  min-height:44px;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.to-top:hover{background:rgba(200,242,80,.12);border-color:var(--lime-500);}

/* ============ 响应式 ============ */
@media (min-width:1024px){
  .sidebar{display:flex;}
  .topbar{display:none;}
  .site-main{padding-top:0;margin-left:240px;}
  .inner-hero{border-radius:0 0 var(--radius-l) var(--radius-l);}
  .inner-hero-inner{padding:88px 0 72px;}
}
@media (max-width:1023px){
  :root{--space-section:72px;}
  .page-wrap{padding:0 32px;}
}
@media (max-width:860px){
  .split{grid-template-columns:1fr;gap:24px;}
  .split-media{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .checklist{grid-template-columns:1fr;}
}
@media (max-width:640px){
  :root{--space-section:56px;}
  .page-wrap{padding:0 16px;}
  .inner-hero-inner{padding:48px 0 44px;}
  .inner-hero .lead{font-size:15px;}
  .hero-stats{gap:22px;padding-top:20px;}
  .stat-num{font-size:24px;}
  .cta-band{padding:36px 22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .timeline{padding-left:58px;}
  .timeline::before{left:21px;}
  .tl-node{left:6px;width:32px;height:32px;font-size:13px;}
  .tl-body{padding:18px 18px;}
  .faq-body{padding:0 18px 20px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .form-row .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --ink-900:#14121C;
  --ink-800:#1D1A28;
  --ink-700:#2A2536;
  --lime-500:#C8F250;
  --lime-600:#A9D93A;
  --coral-500:#FF7A45;
  --coral-600:#E85F2C;
  --violet-500:#7C5CFF;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E6E2D8;
  --text-900:#16141C;
  --text-600:#5A5566;
  --text-400:#8B8697;
  --text-invert:#FFFFFF;
  --success:#37B26C;
  --warn:#E8A33D;
  --danger:#E5484D;

  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;

  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px rgba(20,18,28,.08);
  --shadow-2:0 18px 48px rgba(20,18,28,.16);

  --t-fast:150ms;
  --t-base:200ms;
  --t-slow:260ms;
  --ease:ease-out;

  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Semi Condensed","DIN Alternate","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t-base) var(--ease);}
a:hover{color:var(--coral-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}

/* ===== 页面骨架 ===== */
.shell{display:flex;min-height:100vh;}

/* ===== 左侧竖向导轨 ===== */
.side-rail{
  position:fixed;
  top:0;left:0;bottom:0;
  width:240px;
  background:var(--ink-900);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
  gap:28px;
  padding:28px 18px 24px;
  overflow-y:auto;
  z-index:50;
}
.rail-brand{display:flex;flex-direction:column;gap:10px;padding:0 6px;}
.brand-mark{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:38px;
  height:38px;
  padding:0 8px;
  border-radius:var(--radius-s);
  background:var(--lime-500);
  color:var(--ink-900);
  font-family:var(--font-num);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-main{
  color:var(--text-invert);
  font-size:16px;
  font-weight:700;
  letter-spacing:-.01em;
}
.brand-sub{
  color:rgba(255,255,255,.55);
  font-size:12px;
}
.rail-note{
  font-size:12px;
  color:rgba(255,255,255,.42);
  line-height:1.7;
  padding:0 6px;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:12px;
}
.nav-group{display:flex;flex-direction:column;gap:8px;}
.nav-group-title{
  font-size:12px;
  color:rgba(255,255,255,.4);
  padding:0 6px;
  letter-spacing:.04em;
}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:11px 14px;
  border-radius:var(--radius-s);
  color:rgba(255,255,255,.72);
  font-size:14px;
  transition:background var(--t-base) var(--ease),color var(--t-base) var(--ease);
}
.nav-link:hover{
  background:rgba(255,255,255,.06);
  color:var(--text-invert);
}
.nav-link.is-active{
  background:rgba(200,242,80,.10);
  color:var(--text-invert);
  font-weight:700;
}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:2px;
  background:var(--lime-500);
}
.rail-foot{
  margin-top:auto;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
}
.rail-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  border-radius:var(--radius-pill);
  background:var(--lime-500);
  color:var(--ink-900);
  font-weight:700;
  font-size:14px;
  transition:background var(--t-base) var(--ease),transform var(--t-base) var(--ease);
}
.rail-cta:hover{background:var(--lime-600);color:var(--ink-900);transform:translateY(-1px);}
.rail-contact{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;}

/* ===== 移动端顶栏 ===== */
.top-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:var(--ink-900);
  border-bottom:1px solid rgba(255,255,255,.08);
  z-index:60;
}
.top-bar .brand-badge{min-width:34px;height:34px;font-size:14px;}
.top-bar .brand-main{font-size:15px;}
.top-bar .brand-sub{font-size:11px;}
.hamburger{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-s);
  background:transparent;
  color:var(--text-invert);
}
.hamburger:hover{background:rgba(255,255,255,.08);}
.hamburger:focus-visible{outline:3px solid rgba(200,242,80,.5);outline-offset:2px;}

.drawer-mask{
  position:fixed;inset:0;
  background:rgba(10,9,15,.62);
  opacity:0;visibility:hidden;
  transition:opacity var(--t-base) var(--ease),visibility var(--t-base) var(--ease);
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,360px);
  background:var(--ink-900);
  border-left:1px solid rgba(255,255,255,.08);
  padding:22px 20px 28px;
  display:flex;
  flex-direction:column;
  gap:20px;
  overflow-y:auto;
  transform:translateX(102%);
  transition:transform var(--t-slow) var(--ease);
  z-index:80;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-s);
  background:transparent;
  color:var(--text-invert);
}
.drawer .nav-link{min-height:52px;font-size:15px;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ===== 内容容器 ===== */
.main-area{
  margin-left:240px;
  width:calc(100% - 240px);
  min-width:0;
}
.page-wrap{
  max-width:1280px;
  margin:0 auto;
  padding:0 40px;
}
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  background:#EFECE2;
  color:var(--text-600);
  font-size:12px;
  font-weight:600;
  margin-bottom:16px;
}
.section-head h2{
  font-size:34px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;
  color:var(--text-600);
  font-size:16px;
  line-height:1.85;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:14px 28px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  transition:background var(--t-base) var(--ease),color var(--t-base) var(--ease),transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.btn:focus-visible{outline:3px solid rgba(200,242,80,.55);outline-offset:2px;}
.btn-primary{background:var(--lime-500);color:var(--ink-900);}
.btn-primary:hover{background:var(--lime-600);color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;color:var(--text-invert);border-color:rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:var(--text-invert);}
.btn-outline{background:transparent;color:var(--text-900);border-color:rgba(20,18,28,.35);}
.btn-outline:hover{background:rgba(20,18,28,.06);color:var(--text-900);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn.is-loading{position:relative;color:transparent;}
.btn.is-loading::after{
  content:"";
  position:absolute;
  width:16px;height:16px;
  border-radius:50%;
  border:2px solid rgba(20,18,28,.25);
  border-top-color:var(--ink-900);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--lime-600);
  font-weight:600;
  font-size:14px;
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  height:2px;width:100%;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t-base) var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link.on-dark{color:var(--lime-500);}

/* ===== 首屏 ===== */
.hero{
  position:relative;
  min-height:560px;
  display:flex;
  align-items:flex-end;
  padding:132px 0 64px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:var(--text-invert);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,28,.66) 0%,rgba(20,18,28,.86) 62%,rgba(20,18,28,.94) 100%);
}
.hero::after{
  content:"";
  position:absolute;
  left:-10%;right:-10%;bottom:-160px;
  height:260px;
  background:radial-gradient(ellipse at center,rgba(200,242,80,.26) 0%,rgba(200,242,80,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.66);}
.breadcrumb a:hover{color:var(--lime-500);}
.breadcrumb .sep{color:rgba(255,255,255,.32);}
.breadcrumb .current{color:var(--text-invert);font-weight:600;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(200,242,80,.14);
  border:1px solid rgba(200,242,80,.36);
  color:var(--lime-500);
  font-size:12px;
  font-weight:600;
  margin-bottom:20px;
}
.hero h1{
  font-size:52px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  max-width:900px;
}
.hero-sub{
  margin-top:20px;
  max-width:660px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.78);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:48px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.12);
}
.stat{display:flex;flex-direction:column;gap:2px;}
.stat-num{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  color:var(--lime-500);
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:rgba(255,255,255,.6);}

/* ===== 档位卡矩阵 ===== */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  align-items:start;
}
.tier-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-top:3px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);
  transition:transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tier-card.is-common{border-top-color:#C9C4B6;}
.tier-card.is-rare{border-top-color:var(--lime-500);}
.tier-card.is-legend{border-top-color:var(--coral-500);}
.tier-card.is-feature{
  background:var(--ink-900);
  border-color:rgba(255,255,255,.08);
  border-top-color:var(--lime-500);
  color:var(--text-invert);
  min-height:300px;
}
.tier-card.is-feature .tier-desc{color:rgba(255,255,255,.7);}
.tier-card.is-feature .tier-name{color:var(--text-invert);}
.tier-card.is-feature .tier-data{color:var(--lime-500);}
.tier-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  background:#EFECE2;
  color:var(--text-600);
}
.tier-tag.tag-lime{background:rgba(200,242,80,.22);color:#6c8c14;}
.tier-tag.tag-coral{background:rgba(255,122,69,.16);color:var(--coral-600);}
.tier-tag.tag-dark{background:rgba(255,255,255,.12);color:var(--lime-500);}
.tier-name{
  font-size:21px;
  font-weight:600;
  line-height:1.4;
  color:var(--text-900);
}
.tier-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--text-600);
  margin-top:auto;
  padding-top:6px;
}
.tier-data{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  color:var(--text-900);
  font-variant-numeric:tabular-nums;
}
.tier-data small{
  font-family:var(--font-cn);
  font-size:13px;
  font-weight:500;
  color:var(--text-400);
}
.tier-card.is-feature .tier-data small{color:rgba(255,255,255,.55);}

/* ===== 要点清单 ===== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.figure{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  background:#E9E5DC;
  aspect-ratio:4/3;
  box-shadow:var(--shadow-1);
}
.figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--t-slow) var(--ease);
}
.figure:hover img{transform:scale(1.03);}
.figure-caption{
  position:absolute;
  left:16px;bottom:16px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(20,18,28,.72);
  color:var(--text-invert);
  font-size:12px;
}
.check-list{display:grid;gap:14px;}
.check-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  transition:border-color var(--t-base) var(--ease),transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);
}
.check-item:hover{border-color:var(--lime-500);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.check-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(200,242,80,.24);
  color:#6c8c14;
  margin-top:2px;
}
.check-text strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--text-900);
}
.check-text span{
  display:block;
  margin-top:4px;
  font-size:14px;
  color:var(--text-600);
  line-height:1.75;
}

/* ===== 表格 ===== */
.table-wrap{
  overflow-x:auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
}
table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:15px;
}
th{
  background:#F1EEE6;
  text-align:left;
  padding:16px 20px;
  font-weight:600;
  color:var(--text-900);
  white-space:nowrap;
}
td{
  padding:16px 20px;
  border-top:1px solid var(--line);
  color:var(--text-600);
}
tbody tr:hover{background:#FBF9F4;}
td strong{color:var(--text-900);font-weight:600;}
.pill{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
}
.pill-common{background:#EFECE2;color:var(--text-600);}
.pill-rare{background:rgba(200,242,80,.24);color:#6c8c14;}
.pill-legend{background:rgba(255,122,69,.16);color:var(--coral-600);}

/* ===== FAQ ===== */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t-base) var(--ease),background var(--t-base) var(--ease);
}
.faq-item.is-open{
  border-left:3px solid var(--lime-500);
  background:#FCFBF7;
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:56px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-900);
  line-height:1.6;
}
.faq-q:focus-visible{outline:3px solid rgba(200,242,80,.55);outline-offset:-3px;}
.faq-num{
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:var(--text-400);
  font-variant-numeric:tabular-nums;
}
.faq-icon{
  flex:0 0 auto;
  margin-left:auto;
  width:24px;height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-600);
  transition:transform var(--t-base) var(--ease),background var(--t-base) var(--ease),color var(--t-base) var(--ease);
}
.faq-item.is-open .faq-icon{
  background:var(--lime-500);
  border-color:var(--lime-500);
  color:var(--ink-900);
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height var(--t-slow) var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px 54px;
  color:var(--text-600);
  font-size:15px;
  line-height:1.85;
}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;
  background:var(--ink-900);
  color:var(--text-invert);
  overflow:hidden;
  padding:80px 0;
}
.cta-band::after{
  content:"";
  position:absolute;
  top:-40%;right:-8%;
  width:420px;height:180%;
  background:linear-gradient(180deg,rgba(200,242,80,.16),rgba(200,242,80,.02));
  transform:skewX(-14deg);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{
  font-size:32px;
  font-weight:700;
  line-height:1.3;
}
.cta-inner p{
  margin-top:12px;
  max-width:620px;
  color:rgba(255,255,255,.72);
  font-size:16px;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;flex-direction:column;gap:16px;}
.footer-brand .brand-main{color:var(--text-invert);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:var(--text-invert);
  margin-bottom:16px;
}
.footer-list{display:grid;gap:10px;}
.footer-list a{
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-list a:hover{color:var(--lime-500);}
.footer-contact{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
}
.footer-contact strong{color:var(--text-invert);font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:10px 18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  color:rgba(255,255,255,.78);
  font-size:13px;
  transition:background var(--t-base) var(--ease),color var(--t-base) var(--ease),transform var(--t-base) var(--ease);
}
.to-top:hover{background:rgba(200,242,80,.14);color:var(--lime-500);transform:translateY(-1px);}
.to-top:focus-visible{outline:3px solid rgba(200,242,80,.5);outline-offset:2px;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .page-wrap{padding:0 32px;}
  .section{padding:72px 0;}
  .hero{padding:112px 0 56px;min-height:500px;}
  .hero h1{font-size:44px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:1023px){
  .side-rail{display:none;}
  .top-bar{display:flex;}
  .main-area{margin-left:0;width:100%;padding-top:60px;}
  .hero{padding:88px 0 56px;min-height:460px;}
  .hero h1{font-size:38px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:30px;}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:64px 0;}
  .cta-inner h2{font-size:28px;}
}
@media (max-width:767px){
  .page-wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:26px;}
  .hero{min-height:420px;padding:72px 0 48px;}
  .hero h1{font-size:31px;line-height:1.2;}
  .hero-sub{font-size:15px;margin-top:16px;}
  .hero-actions{gap:12px;margin-top:26px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:28px;margin-top:32px;padding-top:22px;}
  .stat-num{font-size:26px;}
  .tier-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .tier-card{padding:18px;border-radius:var(--radius-m);}
  .tier-card.is-feature{min-height:0;}
  .tier-name{font-size:18px;}
  .tier-data{font-size:26px;}
  .tier-desc{font-size:13px;}
  .check-item{padding:16px;}
  .faq-q{padding:18px 16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 20px 46px;}
  .cta-inner h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .tier-grid{grid-template-columns:1fr;}
  .hero h1{font-size:28px;}
  th,td{padding:14px 16px;}
}

/* roulang page: category4 */
:root{
  --ink-900:#14121C;
  --ink-800:#1D1A28;
  --ink-700:#2A2536;
  --lime-500:#C8F250;
  --lime-600:#A9D93A;
  --coral-500:#FF7A45;
  --coral-600:#E85F2C;
  --violet-500:#7C5CFF;
  --paper:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E6E2D8;
  --text-900:#16141C;
  --text-600:#5A5566;
  --text-400:#8B8697;
  --text-invert:#FFFFFF;
  --success:#37B26C;
  --warn:#E8A33D;
  --danger:#E5484D;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px rgba(20,18,28,.08);
  --shadow-2:0 18px 48px rgba(20,18,28,.16);
  --rail-w:240px;
  --t-fast:160ms;
  --t-base:220ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Semi Condensed","DIN Alternate",var(--font-cn);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:700;}
::selection{background:var(--lime-500);color:var(--ink-900);}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--lime-500);color:var(--ink-900);
  padding:12px 20px;border-radius:0 0 var(--radius-s) 0;font-weight:700;
}
.skip-link:focus{left:0;}

.page-wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 40px;
}

/* ===== 左侧竖向导航 ===== */
.sidebar{display:none;}
@media (min-width:1024px){
  body{padding-left:var(--rail-w);}
  .sidebar{
    display:flex;
    flex-direction:column;
    position:fixed;
    left:0;top:0;
    width:var(--rail-w);
    height:100vh;
    background:var(--ink-900);
    border-right:1px solid rgba(255,255,255,.08);
    padding:28px 20px 24px;
    overflow-y:auto;
    z-index:50;
  }
}

.rail-brand{
  padding-bottom:22px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{display:flex;align-items:center;gap:10px;}
.brand-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;flex:none;
  border-radius:12px;
  background:var(--lime-500);
  color:var(--ink-900);
  font-family:var(--font-num);
  font-weight:700;font-size:15px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:#fff;
}
.brand-sub{
  font-size:12px;color:var(--text-400);letter-spacing:.04em;
}
.rail-tag{
  margin-top:14px;
  font-size:12px;
  color:var(--text-400);
  letter-spacing:.04em;
}

.nav-group{margin-top:26px;}
.nav-group-title{
  font-size:12px;
  letter-spacing:.05em;
  color:var(--text-400);
  padding:0 12px 10px;
}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-link{
  position:relative;
  display:flex;align-items:center;
  min-height:44px;
  padding:10px 12px 10px 16px;
  border-radius:var(--radius-s);
  color:rgba(255,255,255,.72);
  font-size:15px;
  transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.nav-link::before{
  content:"";
  position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;border-radius:var(--radius-pill);
  background:var(--lime-500);
  transition:transform var(--t-fast) var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-link:hover::before{transform:translateY(-50%) scaleY(.6);}
.nav-link.is-active{
  background:rgba(200,242,80,.1);
  color:#fff;
  font-weight:700;
}
.nav-link.is-active::before{transform:translateY(-50%) scaleY(1);}
.nav-link:focus-visible{outline:3px solid rgba(200,242,80,.5);outline-offset:2px;}

.rail-foot{
  margin-top:auto;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
}
.rail-contact{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:var(--text-400);
}

/* ===== 移动端顶栏与抽屉 ===== */
.mobile-bar{
  position:fixed;left:0;right:0;top:0;
  height:60px;z-index:70;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(20,18,28,.97);
  border-bottom:1px solid rgba(255,255,255,.08);
}
@media (min-width:1024px){.mobile-bar{display:none;}}
.mobile-bar .brand-badge{width:34px;height:34px;border-radius:10px;font-size:13px;}
.mobile-bar .brand-main{font-size:16px;}
.mobile-bar .brand-sub{font-size:11px;}
.burger{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-s);
  background:transparent;color:#fff;cursor:pointer;
  transition:background-color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.burger:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32);}
.burger:focus-visible{outline:3px solid rgba(200,242,80,.5);outline-offset:2px;}

.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(20,18,28,.6);
  opacity:0;visibility:hidden;
  transition:opacity var(--t-base) var(--ease),visibility var(--t-base) var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

.drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:min(86vw,360px);height:100%;
  background:var(--ink-900);
  border-left:1px solid rgba(255,255,255,.08);
  padding:20px 20px 24px;
  display:flex;flex-direction:column;
  transform:translateX(102%);
  transition:transform var(--t-base) var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
@media (min-width:1024px){.drawer,.drawer-mask{display:none;}}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#fff;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.08);}
.drawer .nav-link{min-height:52px;font-size:16px;}
.drawer-foot{
  margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:14px 28px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:700;
  cursor:pointer;
  text-align:center;
  transition:transform var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.btn-primary{background:var(--lime-500);color:var(--ink-900);}
.btn-primary:hover{background:var(--lime-600);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-primary:focus-visible{outline:3px solid rgba(200,242,80,.6);outline-offset:2px;}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(200,242,80,.12);border-color:var(--lime-500);color:#fff;}
.btn-ghost:focus-visible{outline:3px solid rgba(200,242,80,.5);outline-offset:2px;}
.btn-outline{border-color:var(--text-900);color:var(--text-900);background:transparent;}
.btn-outline:hover{background:rgba(20,18,28,.06);transform:translateY(-1px);}
.btn-outline:focus-visible{outline:3px solid rgba(200,242,80,.6);outline-offset:2px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--lime-600);
  position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:currentColor;transition:width var(--t-base) var(--ease);
}
.text-link:hover::after{width:100%;}
.text-link:hover{color:var(--coral-600);}
.text-link.on-dark{color:var(--lime-500);}
.text-link.on-dark:hover{color:var(--lime-600);}

/* ===== 内页首屏 ===== */
.page-main{padding-bottom:0;}
@media (max-width:1023px){.page-main{padding-top:60px;}}

.page-hero{
  position:relative;
  color:#fff;
  background:
    linear-gradient(180deg,rgba(20,18,28,.86) 0%,rgba(20,18,28,.9) 60%,rgba(20,18,28,.96) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:96px 0 88px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;left:-10%;right:-10%;bottom:-120px;height:200px;
  background:radial-gradient(closest-side,rgba(200,242,80,.28),rgba(200,242,80,0));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.66);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--lime-500);}
.breadcrumb span{color:rgba(255,255,255,.36);}
.breadcrumb b{color:#fff;font-weight:700;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-lime{background:rgba(200,242,80,.16);color:var(--lime-500);border:1px solid rgba(200,242,80,.35);}
.badge-coral{background:rgba(255,122,69,.16);color:var(--coral-500);border:1px solid rgba(255,122,69,.35);}
.badge-plain{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.16);}

.page-hero h1{
  margin-top:20px;
  font-size:52px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:22ch;
}
.hero-sub{
  margin-top:20px;
  max-width:62ch;
  font-size:17px;
  color:rgba(255,255,255,.78);
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:34px;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:44px;
  margin-top:48px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-stat strong{
  display:block;
  font-family:var(--font-num);
  font-size:30px;font-weight:700;color:var(--lime-500);line-height:1.1;
}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.62);}

/* ===== 通用板块 ===== */
.section{padding:96px 0;}
.section-tint{background:#EFEBE1;}
.section-dark{
  background:var(--ink-900);color:#fff;
}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-block;
  font-size:12px;font-weight:700;letter-spacing:.05em;
  color:var(--coral-600);
  margin-bottom:12px;
}
.section-dark .eyebrow{color:var(--lime-500);}
.section-head h2{
  font-size:34px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;
  color:var(--text-600);
  max-width:60ch;
}
.section-dark .section-head p{color:rgba(255,255,255,.72);}
.section-head.is-split{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;
  max-width:none;
}

/* ===== 核对清单 ===== */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.check-item{
  display:flex;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.check-index{
  font-family:var(--font-num);
  font-size:26px;font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px var(--lime-600);
  line-height:1.2;flex:none;
}
.check-item h3{font-size:18px;font-weight:600;line-height:1.4;}
.check-item p{margin-top:8px;font-size:15px;color:var(--text-600);}

/* ===== 四宫格 ===== */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.tile{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tile-media{
  aspect-ratio:4/3;
  background:var(--line);
  overflow:hidden;
}
.tile-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform var(--t-base) var(--ease);
}
.tile:hover .tile-media img{transform:scale(1.03);}
.tile-body{
  padding:22px;
  display:flex;flex-direction:column;flex:1;
}
.tile-body h3{margin-top:12px;font-size:20px;font-weight:600;line-height:1.4;}
.tile-body p{margin-top:10px;font-size:15px;color:var(--text-600);}
.tile-data{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-400);
}
.tile-data strong{color:var(--text-900);font-family:var(--font-num);font-size:15px;}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;
  align-self:flex-start;
}
.tag-lime{background:rgba(200,242,80,.24);color:#55701A;}
.tag-coral{background:rgba(255,122,69,.16);color:var(--coral-600);}
.tag-plain{background:#EFEBE1;color:var(--text-600);}

/* ===== 现象对照 ===== */
.compare-list{
  display:grid;gap:14px;
}
.compare-row{
  display:grid;
  grid-template-columns:200px 1fr auto;
  gap:24px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:20px 24px;
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.compare-row:hover{border-color:var(--lime-600);box-shadow:var(--shadow-1);}
.compare-row .symptom{font-weight:700;font-size:16px;}
.compare-row .reason{font-size:15px;color:var(--text-600);}
.compare-row .result{
  font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:var(--radius-pill);
  white-space:nowrap;
}
.result-ok{background:rgba(55,178,108,.12);color:var(--success);}
.result-warn{background:rgba(232,163,61,.16);color:#9A6A12;}
.result-danger{background:rgba(229,72,77,.12);color:var(--danger);}

/* ===== 提示条 ===== */
.notice{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 20px;
  border-radius:var(--radius-s);
  font-size:14px;
  margin-bottom:28px;
}
.notice-success{background:rgba(55,178,108,.1);border:1px solid rgba(55,178,108,.3);color:#22643F;}
.notice-warn{background:rgba(232,163,61,.12);border:1px solid rgba(232,163,61,.34);color:#8A5F0F;}
.notice-danger{background:rgba(229,72,77,.1);border:1px solid rgba(229,72,77,.3);color:#9E2528;}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--radius-m);
  margin-bottom:12px;
  transition:border-color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.faq-item[open]{
  border-left-color:var(--lime-500);
  background:#FBFAF5;
  box-shadow:var(--shadow-1);
}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  cursor:pointer;
  list-style:none;
  font-size:17px;font-weight:600;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-no{
  font-family:var(--font-num);
  font-size:15px;font-weight:700;color:var(--lime-600);
  flex:none;width:28px;
}
.faq-q{flex:1;}
.faq-icon{
  position:relative;width:18px;height:18px;flex:none;
  transition:transform var(--t-base) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-600);
  border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity var(--t-base) var(--ease);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-item[open] .faq-icon{transform:rotate(90deg);}
.faq-item summary:focus-visible{outline:3px solid rgba(200,242,80,.55);outline-offset:2px;border-radius:var(--radius-m);}
.faq-answer{
  padding:0 24px 22px 68px;
  color:var(--text-600);
  font-size:15.5px;
}
.faq-answer p + p{margin-top:10px;}

/* ===== 反馈表单 ===== */
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:32px;
  box-shadow:var(--shadow-1);
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;}
.field input,.field textarea{
  width:100%;
  min-height:44px;
  padding:11px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  background:#FDFCF9;
  font-size:15px;
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.field textarea{min-height:132px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--lime-600);
  box-shadow:0 0 0 3px rgba(200,242,80,.35);
}
.field.is-error input,.field.is-error textarea{
  border-color:var(--danger);
  box-shadow:0 0 0 3px rgba(229,72,77,.16);
}
.field-hint{font-size:13px;color:var(--text-400);}
.field.is-error .field-hint{color:var(--danger);}
.form-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  margin-top:24px;
}
.form-actions .meta{font-size:13px;color:var(--text-400);}

/* ===== 骨架屏 ===== */
.skeleton{
  height:14px;border-radius:var(--radius-s);
  background:linear-gradient(90deg,#EEEAE0 0%,#F7F5F0 50%,#EEEAE0 100%);
  background-size:200% 100%;
  animation:shimmer 1.4s linear infinite;
  margin-top:12px;
}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ===== CTA 横幅 ===== */
.cta-band{
  position:relative;
  background:var(--ink-900);
  color:#fff;
  padding:80px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;right:-60px;top:-80px;
  width:420px;height:420px;
  background:linear-gradient(135deg,rgba(200,242,80,.22),rgba(200,242,80,0) 65%);
  transform:rotate(18deg);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.cta-copy{max-width:640px;}
.cta-copy h2{font-size:32px;line-height:1.25;font-weight:700;}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.72);}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink-800);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:var(--text-400);max-width:38ch;}
.footer-title{
  font-size:13px;font-weight:700;color:#fff;
  letter-spacing:.04em;margin-bottom:16px;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color var(--t-fast) var(--ease);
}
.footer-list a:hover{color:var(--lime-500);}
.footer-contact{font-size:14px;line-height:1.9;color:var(--text-400);}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--text-400);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:10px 18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;cursor:pointer;
  font-size:13px;
  transition:background-color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.to-top:hover{background:rgba(200,242,80,.12);border-color:var(--lime-500);color:#fff;}
.to-top:focus-visible{outline:3px solid rgba(200,242,80,.5);outline-offset:2px;}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .page-wrap{padding:0 32px;}
  .section{padding:72px 0;}
  .page-hero{padding:72px 0 64px;}
  .page-hero h1{font-size:40px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-row{grid-template-columns:1fr;gap:10px;}
  .compare-row .result{justify-self:start;}
}
@media (max-width:767px){
  .section-head h2{font-size:28px;}
  .cta-copy h2{font-size:26px;}
  .hero-stats{gap:28px;}
}
@media (max-width:639px){
  .page-wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero{padding:64px 0 56px;}
  .page-hero h1{font-size:31px;max-width:none;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .check-grid{grid-template-columns:1fr;}
  .tile-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .faq-item summary{padding:18px;font-size:16px;gap:12px;}
  .faq-answer{padding:0 18px 20px 54px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .compare-row{padding:18px;}
}