/* roulang page: index */
/* ============================================================
   1. 设计令牌
   ============================================================ */
:root{
  --ink:#0F1113;
  --ink-2:#1A1D21;
  --lime:#B5E63C;
  --lime-deep:#9CCB2A;
  --coral:#FF6A3D;
  --paper:#F4F1EA;
  --paper-2:#EDE8DD;
  --card:#FFFFFF;
  --text:#14171A;
  --text-2:#5B6167;
  --text-3:#8A9098;
  --line:rgba(15,17,19,.08);
  --line-2:rgba(15,17,19,.16);
  --line-dark:rgba(244,241,234,.14);
  --r-card:16px;
  --r-hero:28px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(15,17,19,.04),0 12px 32px rgba(15,17,19,.08);
  --shadow-2:0 20px 48px rgba(15,17,19,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --section-y:112px;
}

/* ============================================================
   2. Reset / 基础排版（覆盖 Foundation 默认味）
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:inherit;
  color:inherit;
  font-weight:800;
  margin:0;
  line-height:1.25;
  letter-spacing:-.015em;
}
p{margin:0;font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:inherit;}
button{font-family:inherit;font-size:inherit;border:0;background:none;padding:0;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}

/* ============================================================
   3. 通用容器 / 板块
   ============================================================ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.section{padding:var(--section-y) 0;}
.section--tight{padding:84px 0;}
.section--paper2{background:var(--paper-2);}
.section--dark{background:var(--ink);color:var(--paper);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  margin-bottom:56px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--text-3);
}
.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  background:var(--lime);
  border-radius:2px;
}
.section--dark .eyebrow{color:rgba(244,241,234,.55);}
.section-title{
  margin-top:14px;
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.025em;
  max-width:22em;
}
.section-desc{
  margin-top:16px;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text-2);
  max-width:44em;
}
.section--dark .section-desc{color:rgba(244,241,234,.68);}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  padding-bottom:4px;
  border-bottom:1.5px solid var(--line-2);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.link-more:hover{border-color:var(--lime);color:var(--text);}
.link-more i{font-size:12px;transition:transform .18s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ============================================================
   4. 悬浮胶囊导航
   ============================================================ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  padding:20px 20px 0;
  transition:padding .28s var(--ease);
}
.site-header.is-scrolled{padding-top:12px;}
.pill-nav{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 10px 0 22px;
  border-radius:999px;
  background:rgba(15,17,19,.55);
  border:1px solid rgba(244,241,234,.16);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  color:var(--paper);
  transition:background .28s var(--ease),color .28s var(--ease),
             border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled .pill-nav{
  background:rgba(255,255,255,.96);
  color:var(--ink);
  border-color:var(--line);
  box-shadow:var(--shadow-1);
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,4px);
  grid-template-rows:repeat(3,4px);
  gap:3px;
  flex:0 0 auto;
}
.brand-mark i{
  width:4px;height:4px;border-radius:1px;
  background:currentColor;
  opacity:.42;
  transition:background .2s var(--ease),opacity .2s var(--ease);
}
.brand-mark i:nth-child(1),
.brand-mark i:nth-child(3),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(7),
.brand-mark i:nth-child(9){opacity:.85;}
.brand-mark i:nth-child(5){background:var(--lime);opacity:1;}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  opacity:.8;
  white-space:nowrap;
  transition:opacity .18s var(--ease),background .18s var(--ease);
}
.nav-menu a:hover{
  opacity:1;
  background:rgba(181,230,60,.16);
}
.nav-menu a.is-active{opacity:1;}
.nav-menu a.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  transform:translateX(-50%);
  width:5px;height:5px;
  border-radius:50%;
  background:var(--lime);
}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--lime);
  color:#10130E;
  font-size:14.5px;
  font-weight:700;
  white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.nav-cta:hover{
  background:var(--lime-deep);
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(181,230,60,.34);
}
.nav-cta i{font-size:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border-radius:999px;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(244,241,234,.24);
  flex:0 0 auto;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line-2);}
.nav-toggle span{
  position:relative;
  display:block;
  width:16px;height:1.5px;
  background:currentColor;
  border-radius:2px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:1.5px;
  background:currentColor;
  border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-5px) rotate(-45deg);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:75;
  background:var(--paper);
  color:var(--ink);
  padding:120px 28px 48px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateY(-102%);
  opacity:0;
  pointer-events:none;
  transition:transform .34s var(--ease),opacity .28s var(--ease);
}
.mobile-drawer.is-open{
  transform:translateY(0);
  opacity:1;
  pointer-events:auto;
}
.drawer-menu{
  display:flex;
  flex-direction:column;
  gap:2px;
  border-top:1px solid var(--line);
  padding-top:12px;
}
.drawer-menu a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 4px;
  font-size:24px;
  font-weight:800;
  letter-spacing:-.02em;
  border-bottom:1px solid var(--line);
}
.drawer-menu a i{font-size:14px;color:var(--text-3);}
.drawer-menu a.is-active{color:var(--ink);}
.drawer-menu a.is-active i{color:var(--lime-deep);}
.drawer-cta{
  margin-top:28px;
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:54px;
  padding:0 30px;
  border-radius:999px;
  background:var(--lime);
  color:#10130E;
  font-weight:700;
  font-size:16px;
}
.drawer-foot{
  margin-top:auto;
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.9;
}

/* ============================================================
   5. Hero 首屏
   ============================================================ */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:var(--ink);
  color:var(--paper);
  padding:164px 0 96px;
  border-radius:0 0 var(--r-hero) var(--r-hero);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  transform:scale(1.03);
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(15,17,19,.92) 0%,rgba(15,17,19,.72) 42%,rgba(15,17,19,.42) 100%);
}
.hero-grid-pattern{
  position:absolute;
  top:0;right:0;
  width:48%;
  height:100%;
  background-image:
    linear-gradient(rgba(244,241,234,.13) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,241,234,.13) 1px,transparent 1px);
  background-size:76px 76px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 62%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 62%);
  opacity:.75;
  pointer-events:none;
}
.hero-watermark{
  position:absolute;
  right:1vw;
  bottom:-10vh;
  z-index:2;
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:clamp(240px,40vw,600px);
  font-weight:800;
  line-height:.78;
  color:transparent;
  -webkit-text-stroke:1px rgba(244,241,234,.12);
  pointer-events:none;
  user-select:none;
}
.hero-inner{
  position:relative;
  z-index:4;
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid rgba(244,241,234,.2);
  background:rgba(244,241,234,.04);
  font-size:13px;
  font-weight:600;
  color:rgba(244,241,234,.82);
  margin-bottom:24px;
}
.hero-kicker .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(181,230,60,.18);
}
.hero h1{
  font-size:clamp(34px,5.2vw,68px);
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:800;
  max-width:16em;
}
.hero-sub{
  margin-top:24px;
  font-size:clamp(16px,1.35vw,19px);
  line-height:1.72;
  color:rgba(244,241,234,.72);
  max-width:34em;
}
.hero-actions{
  margin-top:38px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-stats{
  margin-top:56px;
  display:flex;
  flex-wrap:wrap;
  gap:48px;
}
.hero-stats li{display:flex;flex-direction:column;gap:4px;}
.hero-stats .num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  color:var(--lime);
  letter-spacing:-.02em;
}
.hero-stats .lab{
  font-size:13px;
  color:rgba(244,241,234,.6);
  letter-spacing:.04em;
}
.hero-scroll{
  position:absolute;
  left:50%;
  bottom:28px;
  transform:translateX(-50%);
  z-index:5;
  width:26px;height:44px;
  border:1px solid rgba(244,241,234,.28);
  border-radius:999px;
  display:flex;
  justify-content:center;
  padding-top:9px;
  transition:border-color .2s var(--ease);
}
.hero-scroll:hover{border-color:var(--lime);}
.hero-scroll span{
  width:3px;height:8px;
  border-radius:2px;
  background:var(--lime);
  animation:scrollDot 1.9s var(--ease) infinite;
}
@keyframes scrollDot{
  0%{transform:translateY(0);opacity:1;}
  70%{transform:translateY(14px);opacity:0;}
  100%{transform:translateY(14px);opacity:0;}
}

/* ============================================================
   6. 按钮 / 标签 / 徽章
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:52px;
  padding:0 28px;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),
             background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{background:var(--lime);color:#10130E;}
.btn-primary:hover{
  background:var(--lime-deep);
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(181,230,60,.34);
}
.btn-ghost{
  border:1px solid rgba(244,241,234,.38);
  color:var(--paper);
  background:transparent;
}
.btn-ghost:hover{
  background:var(--paper);
  color:var(--ink);
  transform:translateY(-2px);
}
.btn-dark{background:var(--ink);color:var(--paper);}
.btn-dark:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-sm{height:44px;padding:0 22px;font-size:14.5px;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  background:rgba(15,17,19,.06);
  color:var(--text-2);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.01em;
}
.tag--lime{background:rgba(181,230,60,.3);color:#415707;}
.tag--ink{background:var(--ink);color:var(--lime);}
.tag--coral{background:rgba(255,106,61,.14);color:#C2401A;}

/* ============================================================
   7. 栏目入口（2×2 非等宽）
   ============================================================ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.entry-card{
  position:relative;
  display:block;
  padding:32px 34px 30px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.entry-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:3px;height:100%;
  background:var(--lime);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .26s var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:var(--line-2);
}
.entry-card:hover::before{transform:scaleY(1);}
.entry-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.entry-num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:15px;
  font-weight:700;
  color:var(--text-3);
  letter-spacing:.04em;
}
.entry-card h3{
  font-size:21px;
  font-weight:800;
  letter-spacing:-.015em;
}
.entry-card p{
  margin-top:12px;
  font-size:15px;
  line-height:1.78;
  color:var(--text-2);
}
.entry-go{
  margin-top:22px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:700;
  color:var(--text);
}
.entry-go i{font-size:12px;transition:transform .18s var(--ease);}
.entry-card:hover .entry-go i{transform:translateX(5px);}

/* ============================================================
   8. 玩法介绍（Z 字交错）
   ============================================================ */
.play-list{display:flex;flex-direction:column;}
.play-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  padding:64px 0;
  border-top:1px solid var(--line);
}
.play-row:first-child{border-top:0;padding-top:0;}
.play-row:nth-child(even) .play-media{order:2;}
.play-media{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  background:#E4E0D5;
  aspect-ratio:4/3;
  box-shadow:var(--shadow-1);
}
.play-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.play-row:hover .play-media img{transform:scale(1.03);}
.play-copy{display:flex;flex-direction:column;gap:16px;}
.play-index{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:clamp(44px,5.6vw,76px);
  font-weight:800;
  line-height:.9;
  letter-spacing:-.04em;
  color:rgba(15,17,19,.12);
}
.play-copy h3{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.28;
}
.play-copy > p{
  font-size:16.5px;
  line-height:1.8;
  color:var(--text-2);
}
.play-points{
  margin-top:6px;
  display:flex;
  flex-direction:column;
  gap:12px;
  border-top:1px solid var(--line);
  padding-top:20px;
}
.play-points li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:15px;
  line-height:1.7;
  color:var(--text-2);
}
.play-points li::before{
  content:"";
  flex:0 0 auto;
  width:7px;height:7px;
  margin-top:9px;
  border-radius:50%;
  background:var(--lime);
}

/* ============================================================
   9. 奖励预览（不等宽网格）
   ============================================================ */
.reward-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:22px;
}
.reward-stack{
  display:grid;
  gap:22px;
  grid-template-rows:1fr 1fr;
}
.reward-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.reward-figure{
  position:relative;
  aspect-ratio:16/10;
  background:#E4E0D5;
  overflow:hidden;
}
.reward-card--tall .reward-figure{aspect-ratio:21/9;}
.reward-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.reward-card:hover .reward-figure img{transform:scale(1.03);}
.badge-rank{
  position:absolute;
  top:14px;left:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--coral);
  color:#fff;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
}
.reward-body{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px 26px 26px;
}
.reward-body h3{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.015em;
}
.reward-body p{
  font-size:15px;
  line-height:1.78;
  color:var(--text-2);
}
.reward-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:auto;
  padding-top:14px;
}

/* ============================================================
   10. 任务进度时间轴
   ============================================================ */
.progress-wrap{
  margin-top:8px;
  padding:32px 34px 34px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.progress-meta{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:20px;
  margin-bottom:16px;
  flex-wrap:wrap;
}
.progress-meta strong{
  font-size:16px;
  font-weight:700;
}
.progress-meta .pct{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:26px;
  font-weight:800;
  color:var(--lime-deep);
  letter-spacing:-.02em;
}
.progress-track{
  height:8px;
  border-radius:999px;
  background:rgba(15,17,19,.08);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  width:72%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--lime-deep),var(--lime));
  animation:fillIn 1.4s var(--ease) both;
}
@keyframes fillIn{from{width:0;}to{width:72%;}}
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:52px;
  padding-top:26px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:0;right:0;top:29px;
  height:1px;
  background:var(--line-2);
}
.tl-step{position:relative;padding-top:44px;}
.tl-dot{
  position:absolute;
  top:18px;left:0;
  width:22px;height:22px;
  border-radius:50%;
  border:1.5px solid rgba(15,17,19,.22);
  background:var(--paper);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2;
}
.tl-dot i{font-size:10px;color:transparent;}
.tl-step.is-done .tl-dot{background:var(--lime);border-color:var(--lime);}
.tl-step.is-done .tl-dot i{color:#10130E;}
.tl-step.is-active .tl-dot{
  border-color:var(--lime);
  border-width:2px;
  box-shadow:0 0 0 5px rgba(181,230,60,.18);
}
.tl-step h4{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
}
.tl-step p{
  margin-top:8px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--text-2);
}
.tl-status{
  display:inline-flex;
  margin-top:12px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  background:rgba(15,17,19,.06);
  color:var(--text-2);
}
.tl-step.is-done .tl-status{background:rgba(181,230,60,.28);color:#415707;}
.tl-step.is-active .tl-status{background:rgba(255,106,61,.14);color:#C2401A;}

/* ============================================================
   11. CTA 带
   ============================================================ */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:72px 64px;
  border-radius:var(--r-hero);
  background:var(--ink);
  color:var(--paper);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:44px;
  flex-wrap:wrap;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-160px;
  width:400px;height:400px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(181,230,60,.22),transparent 68%);
  pointer-events:none;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:100%;height:100%;
  background-image:
    linear-gradient(rgba(244,241,234,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(244,241,234,.06) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(120deg,#000,transparent 70%);
  mask-image:linear-gradient(120deg,#000,transparent 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:3;}
.cta-copy h2{
  font-size:clamp(24px,3vw,38px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.025em;
  max-width:20em;
}
.cta-copy p{
  margin-top:16px;
  font-size:16px;
  line-height:1.75;
  color:rgba(244,241,234,.68);
  max-width:40em;
}
.cta-band .btn{position:relative;z-index:3;}

/* ============================================================
   12. 最新信息列表（CMS）
   ============================================================ */
.latest-grid{margin-top:0;}
.latest-grid > .cell{
  display:flex;
  margin-bottom:24px;
}
.latest-grid > .cell > *{width:100%;}
.post-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.post-figure{
  position:relative;
  aspect-ratio:16/9;
  background:#E4E0D5;
  overflow:hidden;
}
.post-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.post-card:hover .post-figure img{transform:scale(1.03);}
.post-badge{
  position:absolute;
  left:14px;top:14px;
  padding:5px 13px;
  border-radius:999px;
  background:rgba(15,17,19,.82);
  color:var(--lime);
  font-size:12.5px;
  font-weight:700;
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
}
.post-body{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px 24px 24px;
}
.post-title{
  font-size:19px;
  font-weight:700;
  line-height:1.46;
  letter-spacing:-.01em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card:hover .post-title{color:#5E7F0E;}
.post-excerpt{
  font-size:15px;
  line-height:1.72;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.post-meta .cat{
  color:var(--text-2);
  font-weight:600;
}
.empty-state{
  width:100%;
  padding:56px 32px;
  border:1px dashed var(--line-2);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.6);
  text-align:center;
}
.empty-dot{
  display:inline-block;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--lime);
  margin-bottom:16px;
}
.empty-state p{
  font-size:15.5px;
  color:var(--text-2);
}

/* ============================================================
   13. FAQ 手风琴
   ============================================================ */
.faq-accordion{
  border:0;
  border-top:1px solid var(--line);
  background:transparent;
  margin:0;
}
.faq-accordion .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-accordion .accordion-title{
  position:relative;
  padding:26px 56px 26px 0;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:0;
  line-height:1.5;
  transition:color .18s var(--ease);
}
.faq-accordion .accordion-title::before{content:none !important;}
.faq-accordion .accordion-title::after{
  content:"";
  position:absolute;
  right:10px;
  top:50%;
  width:14px;height:14px;
  transform:translateY(-50%);
  background:
    linear-gradient(var(--text),var(--text)) center/14px 1.5px no-repeat,
    linear-gradient(var(--text),var(--text)) center/1.5px 14px no-repeat;
  transition:transform .26s var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  transform:translateY(-50%) rotate(45deg);
}
.faq-accordion .accordion-title:hover{color:#5E7F0E;}
.faq-accordion .accordion-content{
  padding:0 64px 28px 0;
  border:0;
  background:transparent;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}

/* ============================================================
   14. 页脚
   ============================================================ */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:84px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--paper);
}
.footer-brand .brand-mark i{background:var(--paper);}
.footer-brand .brand-mark i:nth-child(5){background:var(--lime);}
.footer-desc{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(244,241,234,.62);
  max-width:32em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.05em;
  color:rgba(244,241,234,.5);
  margin-bottom:20px;
}
.footer-col a{
  display:block;
  padding:6px 0;
  font-size:15px;
  color:rgba(244,241,234,.86);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.footer-col li span{
  display:block;
  padding:6px 0;
  font-size:14.5px;
  color:rgba(244,241,234,.66);
}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:24px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(244,241,234,.5);
}
.footer-bottom .dot-sep{
  display:inline-block;
  width:4px;height:4px;
  border-radius:50%;
  background:rgba(244,241,234,.35);
  margin:0 10px;
  vertical-align:middle;
}

/* ============================================================
   15. 滚动淡入
   ============================================================ */
.js .reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
}
.js .reveal.is-visible{opacity:1;transform:none;}

/* ============================================================
   16. 响应式
   ============================================================ */
@media (max-width:1180px){
  :root{--container:1040px;--section-y:96px;}
  .play-row{gap:44px;}
  .pill-nav{gap:12px;padding-left:18px;}
  .nav-menu a{padding:8px 11px;font-size:14.5px;}
}

@media (max-width:1023px){
  :root{--section-y:76px;}
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .site-header{padding:14px 16px 0;}
  .pill-nav{padding:0 8px 0 18px;}
  .hero{min-height:76vh;padding:140px 0 84px;}
  .play-row{grid-template-columns:1fr;gap:30px;padding:48px 0;}
  .play-row:nth-child(even) .play-media{order:0;}
  .play-media{aspect-ratio:16/10;}
  .reward-grid{grid-template-columns:1fr;}
  .reward-stack{grid-template-rows:auto auto;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .timeline::before{display:none;}
  .tl-step{padding-top:38px;border-top:1px solid var(--line);}
  .tl-dot{top:22px;}
  .cta-band{padding:52px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}

@media (max-width:767px){
  :root{--section-y:60px;--r-hero:22px;}
  .section-head{margin-bottom:36px;}
  .section-desc{font-size:15.5px;}
  .entry-grid{grid-template-columns:1fr;}
  .entry-card{padding:26px 24px;}
  .hero{padding:130px 0 76px;}
  .hero-stats{gap:30px;margin-top:42px;}
  .hero-stats .num{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .hero-watermark{font-size:220px;bottom:-4vh;}
  .hero-scroll{display:none;}
  .progress-wrap{padding:24px 22px 26px;}
  .timeline{grid-template-columns:1fr;gap:24px;}
  .cta-band{padding:40px 24px;}
  .cta-band .btn{width:100%;}
  .faq-accordion .accordion-title{font-size:15.5px;padding:22px 46px 22px 0;}
  .faq-accordion .accordion-content{padding:0 40px 24px 0;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:42px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:17px;}
  .pill-nav{height:58px;}
  .nav-cta{display:none;}
  .mobile-drawer{padding:104px 20px 40px;}
  .drawer-menu a{font-size:21px;}
  .post-body{padding:18px 18px 20px;}
  .reward-body{padding:20px 20px 22px;}
}

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

/* roulang page: category1 */
/* ============================================================
   设计变量
   ============================================================ */
:root{
  --ink:#0F1113;
  --ink-2:#1A1D21;
  --lime:#B5E63C;
  --lime-dark:#9CCB2C;
  --coral:#FF6A3D;
  --paper:#F4F1EA;
  --white:#FFFFFF;
  --t1:#14171A;
  --t2:#5B6167;
  --t3:#8A9098;
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.68);
  --line:rgba(15,17,19,.08);
  --line-d:rgba(244,241,234,.14);
  --r-card:16px;
  --r-hero:28px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,17,19,.04), 0 12px 32px rgba(15,17,19,.08);
  --sh-2:0 20px 48px rgba(15,17,19,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --gap:32px;
}

/* ============================================================
   Reset / Base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--t1);text-decoration:none;background:none;}
a:hover,a:focus{color:var(--t1);}
button{font-family:inherit;cursor:pointer;}
strong{font-weight:800;}
:focus{outline:none;}
:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}

/* 覆盖 Foundation 默认味道 */
body,.button,.button:focus{
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
button,a.button,.button{
  background:none;
  border:none;
  box-shadow:none;
  color:inherit;
  padding:0;
  margin:0;
  text-transform:none;
  letter-spacing:normal;
}
.grid-container{padding-left:20px;padding-right:20px;max-width:1200px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x > .cell{margin-left:12px;margin-right:12px;}
.grid-x > .cell{width:auto;}

/* ============================================================
   通用容器与排版
   ============================================================ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1440px){
  .container{max-width:1320px;}
}
.section{
  padding:96px 0;
}
.section--tight{padding:72px 0;}
.section--paper{background:var(--paper);}
.section--white{background:var(--white);}
.section--ink{background:var(--ink);color:var(--on-dark);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--t2);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  background:var(--lime);
  flex:none;
}
.section--ink .eyebrow{color:var(--on-dark-2);}

h1{font-size:clamp(34px,5.2vw,68px);line-height:1.12;letter-spacing:-.02em;font-weight:800;}
h2{font-size:clamp(26px,3.2vw,40px);line-height:1.2;letter-spacing:-.015em;font-weight:800;}
h3{font-size:21px;line-height:1.4;font-weight:800;letter-spacing:-.01em;}
h4{font-size:16px;font-weight:800;line-height:1.5;}

.lead{
  font-size:17px;
  line-height:1.8;
  color:var(--t2);
  max-width:64ch;
}
.section--ink .lead{color:var(--on-dark-2);}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:48px;
  flex-wrap:wrap;
}
.section-head .lead{margin-top:14px;}

.divider{
  height:1px;
  background:var(--line);
  border:0;
  margin:0;
}

/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:52px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn i{font-size:12px;transition:transform var(--dur) var(--ease);}
.btn:hover i{transform:translateX(3px);}

.btn--primary{
  background:var(--lime);
  color:var(--ink);
  box-shadow:0 1px 2px rgba(15,17,19,.04), 0 10px 26px rgba(181,230,60,.28);
}
.btn--primary:hover{
  background:var(--lime-dark);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 1px 2px rgba(15,17,19,.06), 0 18px 36px rgba(181,230,60,.32);
}

.btn--ghost{
  border:1px solid rgba(244,241,234,.34);
  color:var(--on-dark);
  background:transparent;
}
.btn--ghost:hover{
  background:rgba(244,241,234,.10);
  border-color:rgba(244,241,234,.55);
  color:var(--on-dark);
  transform:translateY(-2px);
}

.btn--outline{
  border:1px solid rgba(15,17,19,.16);
  color:var(--t1);
  background:transparent;
}
.btn--outline:hover{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--on-dark);
  transform:translateY(-2px);
}

.btn--sm{height:44px;padding:0 20px;font-size:14.5px;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--t1);
  position:relative;
  padding-bottom:2px;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link i{font-size:12px;}

/* ============================================================
   悬浮胶囊导航
   ============================================================ */
.site-header{
  --nav-fg:#F4F1EA;
  --nav-fg-dim:rgba(244,241,234,.72);
  --nav-bg:rgba(15,17,19,.55);
  --nav-border:rgba(244,241,234,.18);
  --nav-hover:rgba(244,241,234,.10);
  position:sticky;
  top:0;
  z-index:200;
  padding:16px 20px 0;
}
.site-header.is-scrolled{
  --nav-fg:#14171A;
  --nav-fg-dim:rgba(20,23,26,.66);
  --nav-bg:rgba(244,241,234,.92);
  --nav-border:rgba(15,17,19,.08);
  --nav-hover:rgba(15,17,19,.06);
}

.pill-nav{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 12px 0 22px;
  border-radius:var(--r-pill);
  background:var(--nav-bg);
  border:1px solid var(--nav-border);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  transition:background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled .pill-nav{
  box-shadow:var(--sh-1);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  color:var(--nav-fg);
  flex:none;
  transition:color var(--dur) var(--ease);
}
.brand:hover{color:var(--nav-fg);}

.brand-mark{
  width:20px;height:20px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:2px;
  flex:none;
}
.brand-mark i{
  display:block;
  background:currentColor;
  border-radius:1px;
}
.brand-mark i:nth-child(5){background:var(--lime);}

.brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}

.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.nav-menu li{position:relative;}
.nav-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--nav-fg-dim);
  transition:color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-menu a:hover{
  color:var(--nav-fg);
  background:var(--nav-hover);
}
.nav-menu a.is-active{
  color:var(--nav-fg);
  font-weight:600;
}
.nav-menu a.is-active::before{
  content:"";
  position:absolute;
  left:50%;
  bottom:-2px;
  width:6px;height:6px;
  margin-left:-3px;
  border-radius:50%;
  background:var(--lime);
}

.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:9px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  flex:none;
  transition:background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav-cta i{font-size:11px;transition:transform var(--dur) var(--ease);}
.nav-cta:hover{
  background:var(--lime-dark);
  color:var(--ink);
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(181,230,60,.30);
}
.nav-cta:hover i{transform:translateX(3px);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--nav-border);
  color:var(--nav-fg);
  align-items:center;
  justify-content:center;
  flex:none;
}
.nav-toggle span{
  position:relative;
  display:block;
  width:18px;height:2px;
  background:currentColor;
  border-radius:2px;
  transition:background var(--dur) var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform var(--dur) var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:190;
  background:var(--paper);
  padding:104px 24px 32px;
  display:flex;
  flex-direction:column;
  gap:24px;
  transform:translateY(-101%);
  visibility:hidden;
  transition:transform .32s var(--ease), visibility .32s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{
  transform:translateY(0);
  visibility:visible;
}
.drawer-menu{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--line);
}
.drawer-menu li{border-bottom:1px solid var(--line);}
.drawer-menu a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 4px;
  font-size:20px;
  font-weight:700;
  color:var(--t1);
}
.drawer-menu a i{font-size:13px;color:var(--t3);}
.drawer-menu a.is-active{color:var(--t1);}
.drawer-menu a.is-active i{color:var(--lime);}
.drawer-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  height:56px;
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--ink);
  font-size:16px;
  font-weight:700;
}
.drawer-foot{
  margin-top:auto;
  font-size:13px;
  color:var(--t3);
  line-height:1.7;
}

/* ============================================================
   内页 Hero
   ============================================================ */
.page-hero{
  position:relative;
  margin-top:-80px;
  padding:180px 0 0;
  min-height:420px;
  display:flex;
  align-items:flex-end;
  background-color:var(--ink);
  background-image:
    linear-gradient(180deg, rgba(15,17,19,.62) 0%, rgba(15,17,19,.78) 62%, rgba(15,17,19,.92) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-radius:0 0 var(--r-hero) var(--r-hero);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(244,241,234,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244,241,234,.055) 1px, transparent 1px);
  background-size:72px 72px;
  pointer-events:none;
}
.page-hero .container{
  position:relative;
  z-index:2;
  padding-bottom:64px;
}
.page-hero h1{
  color:var(--on-dark);
  max-width:19ch;
}
.page-hero .hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:var(--on-dark-2);
  max-width:56ch;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.page-hero .eyebrow{color:rgba(244,241,234,.72);}
.hero-strip{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line-d);
}
.hero-strip div{min-width:110px;}
.hero-strip .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:26px;
  font-weight:700;
  color:var(--on-dark);
  letter-spacing:-.01em;
  line-height:1.1;
}
.hero-strip .num em{
  font-style:normal;
  font-size:14px;
  color:var(--lime);
  margin-left:2px;
}
.hero-strip .lbl{
  margin-top:6px;
  font-size:13px;
  color:var(--on-dark-2);
  letter-spacing:.04em;
}

/* 面包屑 */
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--t3);
  padding:22px 0 0;
}
.crumbs a{color:var(--t2);transition:color var(--dur) var(--ease);}
.crumbs a:hover{color:var(--t1);}
.crumbs span.sep{color:var(--line);}
.crumbs .current{color:var(--t1);font-weight:600;}

/* ============================================================
   概览：图文 + 深色数据面板
   ============================================================ */
.overview-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
  gap:var(--gap);
  align-items:start;
}
.overview-copy h2{max-width:20ch;}
.overview-copy .lead{margin-top:18px;}
.point-list{
  margin-top:32px;
  display:grid;
  gap:2px;
}
.point-list li{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:16px;
  padding:20px 0;
  border-top:1px solid var(--line);
}
.point-list li:last-child{border-bottom:1px solid var(--line);}
.point-list .idx{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:15px;
  font-weight:700;
  color:var(--t3);
  padding-top:2px;
}
.point-list h4{margin-bottom:6px;}
.point-list p{font-size:15px;line-height:1.75;color:var(--t2);}

.hud-panel{
  background:var(--ink);
  color:var(--on-dark);
  border-radius:var(--r-card);
  padding:30px 28px;
  box-shadow:var(--sh-1);
}
.hud-panel h3{
  color:var(--on-dark);
  font-size:18px;
  margin-bottom:6px;
}
.hud-panel .hud-note{
  font-size:13.5px;
  color:var(--on-dark-2);
  line-height:1.7;
}
.hud-metrics{
  margin-top:26px;
  display:grid;
  gap:18px;
}
.hud-metrics .row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line-d);
}
.hud-metrics .row:last-child{border-bottom:0;padding-bottom:0;}
.hud-metrics .k{
  font-size:14px;
  color:var(--on-dark-2);
}
.hud-metrics .v{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:22px;
  font-weight:700;
  color:var(--lime);
  letter-spacing:-.01em;
}
.bar{
  margin-top:26px;
}
.bar-head{
  display:flex;
  justify-content:space-between;
  font-size:13px;
  color:var(--on-dark-2);
  margin-bottom:9px;
}
.bar-track{
  height:7px;
  border-radius:var(--r-pill);
  background:rgba(244,241,234,.14);
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:var(--r-pill);
  background:var(--lime);
}
.bar-fill--coral{background:var(--coral);}

/* ============================================================
   竖向时间轴
   ============================================================ */
.timeline{
  position:relative;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;
  top:26px;
  bottom:34px;
  width:1px;
  background:var(--line);
}
.tl-item{
  position:relative;
  padding:0 0 44px 76px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;
  left:0;top:0;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--white);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:16px;
  font-weight:700;
  color:var(--t2);
  transition:background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.tl-item:hover .tl-num{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
}
.tl-body{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:0 1px 2px rgba(15,17,19,.03);
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.tl-item:hover .tl-body{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
}
.tl-top{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:12px;
}
.tl-body p{
  font-size:15.5px;
  line-height:1.8;
  color:var(--t2);
}
.tl-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 13px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  background:rgba(15,17,19,.05);
  color:var(--t2);
}
.tag--lime{background:rgba(181,230,60,.22);color:#4E6B0B;}
.tag--ink{background:var(--ink);color:var(--lime);}
.tag--coral{background:rgba(255,106,61,.14);color:#B23C13;}

/* ============================================================
   路线对比
   ============================================================ */
.route-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:var(--gap);
  align-items:stretch;
}
.route-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:0 1px 2px rgba(15,17,19,.03);
  display:flex;
  flex-direction:column;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.route-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
}
.route-card .thumb{
  position:relative;
  overflow:hidden;
  background:rgba(15,17,19,.06);
}
.route-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.route-card:hover .thumb img{transform:scale(1.03);}
.route-card--wide .thumb{aspect-ratio:16/9;}
.route-card--tall .thumb{aspect-ratio:4/3;}
.route-body{
  padding:26px 28px 30px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.route-body h3{margin-bottom:2px;}
.route-body p{font-size:15.5px;line-height:1.8;color:var(--t2);}
.check-list{
  display:grid;
  gap:10px;
  margin-top:4px;
}
.check-list li{
  display:grid;
  grid-template-columns:18px minmax(0,1fr);
  gap:12px;
  font-size:15px;
  line-height:1.7;
  color:var(--t2);
}
.check-list li::before{
  content:"";
  width:7px;height:7px;
  margin-top:9px;
  border-radius:50%;
  background:var(--lime);
}
.route-card--tall .check-list li::before{background:var(--coral);}

/* ============================================================
   自检面板
   ============================================================ */
.check-panel{
  background:var(--ink-2);
  border-radius:var(--r-card);
  padding:44px 40px;
  color:var(--on-dark);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);
  gap:44px;
  align-items:start;
}
.check-panel h2{color:var(--on-dark);max-width:16ch;}
.check-panel .lead{color:var(--on-dark-2);margin-top:16px;}
.check-rows{
  display:grid;
  gap:2px;
}
.check-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:16px;
  align-items:center;
  padding:18px 0;
  border-bottom:1px solid var(--line-d);
}
.check-row:first-child{border-top:1px solid var(--line-d);}
.check-row .k{font-size:15.5px;font-weight:600;color:var(--on-dark);}
.check-row .d{font-size:13.5px;color:var(--on-dark-2);margin-top:4px;}
.check-row .v{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:15px;
  font-weight:700;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-d);
  color:var(--on-dark-2);
  white-space:nowrap;
}
.check-row .v--on{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list{
  max-width:880px;
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 4px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--t1);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--t1);}
.faq-q i{
  flex:none;
  font-size:13px;
  color:var(--t3);
  transition:transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.faq-item.is-open .faq-q i{
  transform:rotate(45deg);
  color:var(--t1);
}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  padding:0 4px 26px;
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
  max-width:64ch;
}

/* ============================================================
   CTA 带
   ============================================================ */
.cta-band{
  background:var(--ink);
  color:var(--on-dark);
  border-radius:var(--r-hero);
  padding:72px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(181,230,60,.16) 0%, rgba(181,230,60,0) 68%);
  pointer-events:none;
}
.cta-band h2{
  color:var(--on-dark);
  max-width:22ch;
  position:relative;
  z-index:1;
}
.cta-band p{
  margin-top:14px;
  color:var(--on-dark-2);
  font-size:15.5px;
  max-width:52ch;
  position:relative;
  z-index:1;
}
.cta-band .btn{position:relative;z-index:1;}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  margin-top:96px;
  padding:72px 0 34px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  font-size:18px;
  font-weight:800;
  color:var(--on-dark);
}
.footer-desc{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--on-dark-2);
  max-width:40ch;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--on-dark-2);
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a,
.footer-col span{
  font-size:15px;
  color:rgba(244,241,234,.86);
  transition:color var(--dur) var(--ease);
}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:56px;
  padding-top:22px;
  border-top:1px solid var(--line-d);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:var(--on-dark-2);
}
.dot-sep{
  display:inline-block;
  width:4px;height:4px;
  border-radius:50%;
  background:rgba(244,241,234,.4);
  margin:0 10px;
  vertical-align:middle;
}

/* ============================================================
   滚动淡入
   ============================================================ */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1280px){
  .container{max-width:1140px;}
}
@media (max-width:1024px){
  body{font-size:16px;}
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .pill-nav{justify-content:space-between;padding-right:10px;}
  .section{padding:76px 0;}
  .page-hero{min-height:380px;padding-top:150px;}
  .overview-grid{grid-template-columns:1fr;gap:36px;}
  .route-grid{grid-template-columns:1fr;gap:24px;}
  .check-panel{grid-template-columns:1fr;gap:32px;padding:36px 28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
  .cta-band{padding:56px 36px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:34px;}
  .page-hero{
    margin-top:-72px;
    padding-top:140px;
    min-height:340px;
    border-radius:0 0 20px 20px;
  }
  .page-hero .container{padding-bottom:46px;}
  .hero-strip{gap:28px;margin-top:32px;}
  .hero-strip .num{font-size:22px;}
  .tl-item{padding-left:62px;padding-bottom:34px;}
  .tl-num{width:42px;height:42px;font-size:14px;}
  .timeline::before{left:20px;}
  .tl-body{padding:22px 20px;}
  .route-body{padding:22px 20px 24px;}
  .cta-band{padding:44px 24px;border-radius:20px;}
  .cta-band .btn{width:100%;}
  .check-panel{padding:30px 22px;}
  .hud-panel{padding:26px 22px;}
  .site-footer{margin-top:64px;padding:56px 0 28px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .brand-text{font-size:16px;}
  .pill-nav{height:58px;padding-left:16px;}
  .hero-actions .btn{width:100%;}
  .hero-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .point-list li{grid-template-columns:32px minmax(0,1fr);gap:12px;}
  .faq-q{font-size:15.5px;padding:20px 2px;}
}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: article */
/* ===================== 设计变量 ===================== */
:root{
  --ink:#0F1113;
  --ink-2:#1A1D21;
  --lime:#B5E63C;
  --lime-dark:#A8DA2E;
  --coral:#FF6A3D;
  --paper:#F4F1EA;
  --card:#FFFFFF;
  --text:#14171A;
  --muted:#5B6167;
  --weak:#8A9098;
  --line:rgba(15,17,19,.08);
  --line-dark:rgba(244,241,234,.14);
  --r-card:16px;
  --r-btn:999px;
  --shadow-1:0 1px 2px rgba(15,17,19,.04),0 12px 32px rgba(15,17,19,.08);
  --shadow-2:0 20px 48px rgba(15,17,19,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms cubic-bezier(.2,.7,.3,1);
}
/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-weight:800;line-height:1.2;margin:0;color:var(--text)}
p{margin:0 0 1rem;line-height:1.75}
a{color:inherit;text-decoration:none;transition:color var(--t)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
::selection{background:rgba(181,230,60,.45);color:var(--ink)}
body.drawer-open{overflow:hidden}

/* ===================== 容器 ===================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ===================== 悬浮胶囊导航 ===================== */
.site-header{position:sticky;top:0;z-index:90;padding:16px 20px}
.pill-nav{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:8px 10px 8px 18px;
  border-radius:999px;
  background:rgba(15,17,19,.55);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid rgba(244,241,234,.18);
  color:var(--paper);
  transition:background 260ms var(--ease),color 260ms var(--ease),border-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
.site-header.is-scrolled .pill-nav{
  background:rgba(255,255,255,.94);
  color:var(--ink);
  border-color:var(--line);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.brand-mark{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:2px;flex:0 0 auto}
.brand-mark i{display:block;width:4px;height:4px;border-radius:50%;background:currentColor;opacity:.4}
.brand-mark i:nth-child(5){background:var(--lime);opacity:1}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{position:relative;display:block;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:600;opacity:.9;transition:color var(--t),opacity var(--t)}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform 220ms var(--ease)}
.nav-menu a:hover{opacity:1;color:var(--lime)}
.site-header.is-scrolled .nav-menu a:hover{color:var(--ink)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{opacity:1}
.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-size:14px;font-weight:600;white-space:nowrap;transition:transform var(--t),box-shadow var(--t),background var(--t)}
.nav-cta:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(181,230,60,.32)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;border:1px solid rgba(244,241,234,.28);flex:0 0 auto}
.site-header.is-scrolled .nav-toggle{border-color:var(--line)}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;border-radius:2px;background:currentColor}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:currentColor;transition:transform 220ms var(--ease)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* 移动端抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:95;display:none;background:var(--card);padding:104px 24px 40px;overflow-y:auto}
.mobile-drawer.is-open{display:block;animation:drawerIn 220ms var(--ease)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.drawer-menu{display:flex;flex-direction:column;gap:6px;margin-bottom:26px}
.drawer-menu a{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-radius:14px;font-size:19px;font-weight:700;background:rgba(15,17,19,.035);transition:background var(--t)}
.drawer-menu a:hover{background:rgba(181,230,60,.22)}
.drawer-menu a i{font-size:13px;color:var(--weak)}
.drawer-cta{display:flex;align-items:center;justify-content:center;padding:15px 24px;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-size:16px;font-weight:700}
.drawer-foot{margin-top:20px;font-size:13px;color:var(--weak);text-align:center}
@media (max-width:1023px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
}
@media (min-width:1024px){
  .mobile-drawer{display:none !important}
}

/* ===================== 文章页头 ===================== */
.article-hero{position:relative;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--line);padding:34px 0 42px}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(15,17,19,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(15,17,19,.045) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 86%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 86%);
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;font-size:13.5px;color:var(--muted)}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;padding-bottom:1px}
.breadcrumb a:hover{color:var(--ink);border-bottom-color:var(--lime)}
.breadcrumb .sep{color:var(--weak)}
.breadcrumb .current{max-width:min(520px,58vw);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--ink);font-weight:600}
.tag-pill{display:inline-flex;align-items:center;gap:6px;margin-bottom:16px;padding:5px 14px;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-size:12.5px;font-weight:600}
.article-title{font-size:clamp(26px,3.6vw,44px);line-height:1.18;letter-spacing:-.02em;max-width:920px;margin-bottom:20px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:var(--muted)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--lime);font-size:13px}

/* ===================== 双栏阅读布局 ===================== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding:44px 0 84px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding:56px 0 104px}
}
.article-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:26px 20px}
@media (min-width:768px){.article-panel{padding:44px 48px}}
@media (min-width:1024px){.article-panel{padding:48px 56px}}

/* ===================== 正文排版 ===================== */
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--text);word-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em;font-size:17px;line-height:1.9}
.article-body h2{position:relative;margin:2em 0 .8em;padding-left:18px;font-size:clamp(22px,2.4vw,28px);line-height:1.32;letter-spacing:-.01em}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;width:6px;height:1em;border-radius:3px;background:var(--lime)}
.article-body h3{margin:1.6em 0 .6em;font-size:20px;line-height:1.4}
.article-body h4{margin:1.4em 0 .5em;font-size:17.5px}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0;line-height:1.85}
.article-body li::marker{color:var(--lime-dark)}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--lime);border-radius:0 12px 12px 0;background:#F7F5EF;color:var(--muted)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.6em auto;border-radius:12px;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--weak);text-align:center}
.article-body a{color:var(--ink);border-bottom:1px solid var(--lime);word-break:break-word}
.article-body a:hover{background:rgba(181,230,60,.28)}
.article-body strong{font-weight:700}
.article-body table{width:100%;margin:1.6em 0;border-collapse:collapse;font-size:15px}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left}
.article-body thead th{background:#F1EEE6;font-weight:700}
.article-body tbody tr:nth-child(even){background:#FAF9F5}
.article-body code{padding:2px 6px;border-radius:6px;background:#F1EEE6;font-size:14px}
.article-body pre{margin:1.6em 0;padding:18px 20px;border-radius:12px;background:var(--ink);color:var(--paper);overflow-x:auto;font-size:14px;line-height:1.7}
.article-body hr{margin:2em 0;border:0;border-top:1px solid var(--line)}

/* 文章尾部操作 */
.article-foot{margin-top:38px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}

/* 空态 */
.empty-state{padding:52px 16px;text-align:center}
.empty-state i{display:block;margin-bottom:16px;font-size:32px;color:var(--weak)}
.empty-state h1{margin-bottom:12px;font-size:clamp(22px,3vw,30px)}
.empty-state p{margin:0 auto 24px;max-width:440px;color:var(--muted);font-size:15.5px}

/* ===================== 按钮 ===================== */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t)}
.btn i{font-size:13px}
.btn-lime{background:var(--lime);color:var(--ink);box-shadow:0 10px 24px rgba(181,230,60,.28)}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(181,230,60,.36)}
.btn-ghost{border-color:rgba(15,17,19,.18);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:var(--paper);transform:translateY(-2px)}

/* ===================== 侧栏 ===================== */
.sidebar{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.sidebar{position:sticky;top:96px;align-self:start}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:20px}
.side-card h3{display:flex;align-items:center;gap:8px;margin-bottom:14px;font-size:16px}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:10px;font-size:15px;font-weight:600;transition:background var(--t),transform var(--t)}
.side-list a i{font-size:12px;color:var(--weak);transition:color var(--t),transform var(--t)}
.side-list a:hover{background:rgba(181,230,60,.16);transform:translateX(3px)}
.side-list a:hover i{color:var(--ink)}
.side-thumb{margin-bottom:14px;border-radius:12px;overflow:hidden;background:#EAE6DC}
.side-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms var(--ease)}
.side-card:hover .side-thumb img{transform:scale(1.04)}
.side-text{margin-bottom:14px;font-size:14.5px;line-height:1.75;color:var(--muted)}
.side-link{display:inline-flex;align-items:center;gap:8px;padding-bottom:2px;border-bottom:1.5px solid var(--lime);font-size:14.5px;font-weight:600;color:var(--ink)}
.side-link i{font-size:12px;transition:transform var(--t)}
.side-link:hover i{transform:translateX(3px)}

/* ===================== 板块与延伸阅读 ===================== */
.section{padding:68px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,36px);letter-spacing:-.01em}
.section-head p{margin-top:12px;max-width:660px;color:var(--muted);font-size:16px}
.link-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.link-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.link-grid{grid-template-columns:repeat(4,1fr)}}
.link-card{display:flex;flex-direction:column;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t)}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.link-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EAE6DC;transition:transform 320ms var(--ease)}
.link-card:hover img{transform:scale(1.03)}
.link-card-body{padding:18px 20px 22px}
.link-card-body h3{margin-bottom:8px;font-size:18px}
.link-card-body p{font-size:14.5px;line-height:1.7;color:var(--muted)}

/* ===================== CTA 带 ===================== */
.cta-band{background:var(--ink);color:var(--paper);padding:64px 0}
@media (min-width:1024px){.cta-band{padding:88px 0}}
.cta-inner{display:flex;flex-direction:column;gap:26px;align-items:flex-start}
@media (min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-band h2{max-width:640px;color:var(--paper);font-size:clamp(22px,2.8vw,34px);line-height:1.24}
.cta-band p{margin:12px 0 0;max-width:560px;font-size:15.5px;color:rgba(244,241,234,.68)}

/* ===================== 页脚 ===================== */
.site-footer{margin-top:0;padding:72px 0 28px;background:var(--ink);color:var(--paper);border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:18px;font-weight:800;color:var(--paper)}
.footer-desc{max-width:380px;font-size:14.5px;line-height:1.85;color:rgba(244,241,234,.68)}
.footer-col h4{margin-bottom:16px;font-size:14px;font-weight:600;letter-spacing:.04em;color:rgba(244,241,234,.55)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:15px;color:rgba(244,241,234,.82)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-top:48px;padding-top:24px;border-top:1px solid var(--line-dark);font-size:13.5px;color:rgba(244,241,234,.55)}
.dot-sep{display:inline-block;width:4px;height:4px;margin:0 8px;border-radius:50%;background:rgba(244,241,234,.4);vertical-align:middle}

/* ===================== 滚动淡入 ===================== */
.js-enabled .fade-up{opacity:0;transform:translateY(18px);transition:opacity 600ms var(--ease),transform 600ms var(--ease)}
.js-enabled .fade-up.is-visible{opacity:1;transform:none}

/* ===================== 动效偏好 ===================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .js-enabled .fade-up{opacity:1;transform:none}
}
@media (max-width:520px){
  .site-header{padding:12px 12px}
  .pill-nav{padding:8px 8px 8px 14px}
  .brand-text{font-size:16px}
  .article-hero{padding:26px 0 34px}
  .article-layout{padding:32px 0 64px}
  .btn{width:100%;justify-content:center}
  .article-foot .btn{width:100%}
  .cta-inner .btn{width:100%}
}

/* roulang page: category2 */
/* ============================================================
   01. 设计变量
   ============================================================ */
:root{
  --ink:#0F1113;
  --ink-2:#1A1D21;
  --lime:#B5E63C;
  --lime-deep:#9CCE29;
  --coral:#FF6A3D;
  --bg:#F4F1EA;
  --surface:#FFFFFF;
  --text:#14171A;
  --text-2:#5B6167;
  --text-3:#8A9098;
  --line:rgba(15,17,19,.08);
  --line-strong:rgba(15,17,19,.14);
  --line-dark:rgba(244,241,234,.14);
  --on-dark:#F4F1EA;
  --on-dark-2:rgba(244,241,234,.68);
  --radius:16px;
  --radius-lg:28px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(15,17,19,.04),0 12px 32px rgba(15,17,19,.08);
  --shadow-2:0 20px 48px rgba(15,17,19,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:24px;
  --sec-pad:clamp(56px,7vw,110px);
}

/* ============================================================
   02. 基础重置
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
em{font-style:normal}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
::selection{background:var(--lime);color:var(--ink)}

/* ============================================================
   03. 容器与通用排版
   ============================================================ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1320px}}

.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;font-variant-numeric:tabular-nums}

.section{padding:var(--sec-pad) 0}
.section--tight{padding-top:calc(var(--sec-pad) * .6)}
.section--dark{background:var(--ink);color:var(--on-dark)}
.section--paper{background:var(--bg)}

.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,56px)}
.section-head h2{font-size:clamp(26px,3.2vw,40px);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16.5px}
.section-head--dark p{color:var(--on-dark-2)}
.section-head .sec-num{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--text-3);margin-bottom:14px;text-transform:uppercase
}
.section-head--dark .sec-num{color:rgba(244,241,234,.55)}
.sec-num::before{
  content:"";width:22px;height:2px;background:var(--lime);display:inline-block;border-radius:2px
}

/* ============================================================
   04. 悬浮胶囊导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:16px 20px 0;
  pointer-events:none;
}
.pill-nav{
  pointer-events:auto;
  max-width:1200px;margin:0 auto;
  min-height:60px;
  display:flex;align-items:center;gap:26px;
  padding:8px 10px 8px 18px;
  border-radius:var(--pill);
  background:rgba(15,17,19,.55);
  border:1px solid rgba(244,241,234,.18);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
@media (min-width:1440px){.pill-nav{max-width:1320px}}
.site-header.is-scrolled .pill-nav{
  background:rgba(255,255,255,.94);
  border-color:var(--line);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:24px;height:24px;flex:0 0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;
}
.brand-mark i{background:var(--lime);border-radius:2px;display:block}
.brand-mark i:nth-child(1),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(9){background:rgba(244,241,234,.42)}
.site-header.is-scrolled .brand-mark i:nth-child(1),
.site-header.is-scrolled .brand-mark i:nth-child(5),
.site-header.is-scrolled .brand-mark i:nth-child(9){background:rgba(15,17,19,.22)}
.brand-text{
  font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
  color:var(--on-dark);transition:color 220ms var(--ease)
}
.site-header.is-scrolled .brand-text{color:var(--ink)}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--pill);
  font-size:15px;font-weight:600;
  color:rgba(244,241,234,.82);
  transition:color 180ms var(--ease),background 180ms var(--ease)
}
.nav-menu a:hover{color:var(--on-dark);background:rgba(244,241,234,.10)}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:18px;height:2px;border-radius:2px;background:var(--lime);
  transition:transform 200ms var(--ease)
}
.nav-menu a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-menu a.is-active{color:var(--on-dark)}
.nav-menu a.is-active::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--lime);
  margin-right:7px;display:inline-block
}
.site-header.is-scrolled .nav-menu a{color:var(--text-2)}
.site-header.is-scrolled .nav-menu a:hover{color:var(--ink);background:rgba(15,17,19,.05)}
.site-header.is-scrolled .nav-menu a.is-active{color:var(--ink)}

.nav-cta{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--pill);
  background:var(--lime);color:var(--ink);
  font-size:14.5px;font-weight:700;white-space:nowrap;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease)
}
.nav-cta i{font-size:12px;transition:transform 180ms var(--ease)}
.nav-cta:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(181,230,60,.32)}
.nav-cta:hover i{transform:translateX(3px)}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--pill);
  position:relative;margin-left:auto;
  border:1px solid rgba(244,241,234,.4);
  transition:background 180ms var(--ease),border-color 180ms var(--ease)
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--on-dark);transform:translateX(-50%);
  transition:transform 200ms var(--ease),background 200ms var(--ease),opacity 200ms var(--ease)
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-scrolled .nav-toggle{border-color:var(--line-strong)}
.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after{background:var(--ink)}

/* 移动抽屉 */
.mobile-drawer{
  pointer-events:auto;
  position:fixed;inset:0;z-index:55;
  background:var(--bg);
  padding:104px 24px 32px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity 220ms var(--ease),transform 260ms var(--ease),visibility 220ms linear;
  overflow-y:auto
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-menu{display:flex;flex-direction:column}
.drawer-menu li + li{border-top:1px solid var(--line)}
.drawer-menu a{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 4px;font-size:22px;font-weight:700;color:var(--text)
}
.drawer-menu a i{font-size:14px;color:var(--text-3)}
.drawer-menu a.is-active{color:var(--ink)}
.drawer-menu a.is-active::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);
  position:absolute;margin-left:-16px
}
.drawer-cta{
  margin-top:28px;display:flex;align-items:center;justify-content:center;
  min-height:56px;border-radius:var(--pill);
  background:var(--lime);color:var(--ink);font-weight:800;font-size:16px
}
.drawer-foot{
  margin-top:auto;padding-top:28px;font-size:13.5px;color:var(--text-3)
}

/* ============================================================
   05. 内页页头
   ============================================================ */
.page-hero{
  position:relative;
  margin-top:-76px;
  padding:158px 0 84px;
  min-height:420px;
  display:flex;align-items:center;
  color:var(--on-dark);
  background-image:
    linear-gradient(104deg,rgba(15,17,19,.93) 0%,rgba(15,17,19,.78) 48%,rgba(15,17,19,.56) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-40px;bottom:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(181,230,60,.16),transparent 62%);
  pointer-events:none
}
.page-hero-inner{position:relative;z-index:2;max-width:860px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(244,241,234,.6);margin-bottom:22px
}
.crumbs a:hover{color:var(--lime)}
.crumbs span{opacity:.5}
.crumbs em{color:rgba(244,241,234,.9)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--pill);
  background:rgba(181,230,60,.14);
  border:1px solid rgba(181,230,60,.34);
  color:var(--lime);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:22px
}
.page-hero h1{
  font-size:clamp(32px,4.6vw,58px);
  line-height:1.14;
  margin-bottom:20px;
  letter-spacing:-.02em
}
.page-hero .hero-lead{
  font-size:clamp(16px,1.4vw,18.5px);
  line-height:1.8;
  color:rgba(244,241,234,.78);
  max-width:660px
}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px 40px;
  margin-top:36px;padding-top:28px;
  border-top:1px solid var(--line-dark)
}
.hero-facts li{display:flex;flex-direction:column;gap:4px}
.hero-facts strong{
  font-size:22px;font-weight:800;letter-spacing:-.01em;
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  color:var(--lime)
}
.hero-facts span{font-size:13.5px;color:rgba(244,241,234,.62)}

/* ============================================================
   06. 不等宽图文卡混合
   ============================================================ */
.mix-grid{display:grid;grid-template-columns:1.62fr 1fr;gap:var(--gap)}
.mix-side{display:grid;gap:var(--gap);align-content:start}

.mix-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease)
}
.mix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.mix-card--lead{display:flex;flex-direction:column}
.mix-card--lead .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#E7E3DA}
.mix-card--lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.mix-card--lead:hover .thumb img{transform:scale(1.03)}
.mix-card--lead .body{padding:28px 30px 32px}
.mix-card--lead h3{font-size:clamp(21px,1.8vw,26px);margin-bottom:12px}
.mix-card--lead p{color:var(--text-2);font-size:16px}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;line-height:1.6;
  background:rgba(15,17,19,.06);color:var(--text)
}
.tag--lime{background:var(--lime);color:var(--ink)}
.tag--coral{background:rgba(255,106,61,.14);color:#C9401A}
.tag--onimg{
  position:absolute;top:14px;left:14px;
  background:rgba(15,17,19,.72);color:var(--on-dark);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)
}

.point-list{margin-top:20px;display:grid;gap:10px}
.point-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15.5px;color:var(--text-2)
}
.point-list i{color:var(--lime-deep);font-size:13px;margin-top:6px;flex:0 0 auto}

.mix-card--row{
  display:grid;grid-template-columns:104px 1fr;
  gap:0;align-items:stretch;
  min-height:148px
}
.mix-card--row .thumb{background:#E7E3DA;overflow:hidden}
.mix-card--row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.mix-card--row:hover .thumb img{transform:scale(1.05)}
.mix-card--row .body{padding:22px 22px 24px}
.mix-card--row h3{font-size:18px;margin:10px 0 8px}
.mix-card--row p{font-size:14.5px;color:var(--text-2);line-height:1.7}

/* ============================================================
   07. 深色档位面板
   ============================================================ */
.tier-wrap{display:grid;grid-template-columns:1.7fr 1fr;gap:28px;align-items:start}

.tier-rows{border-top:1px solid var(--line-dark)}
.tier-row{
  display:grid;
  grid-template-columns:64px 1.1fr 1.4fr 108px;
  gap:20px;align-items:center;
  padding:22px 4px;
  border-bottom:1px solid var(--line-dark);
  transition:background 180ms var(--ease)
}
.tier-row:hover{background:rgba(244,241,234,.035)}
.tier-idx{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:26px;font-weight:800;color:rgba(244,241,234,.24);line-height:1
}
.tier-name{font-size:16.5px;font-weight:700;color:var(--on-dark)}
.tier-name small{display:block;font-size:13px;font-weight:400;color:var(--on-dark-2);margin-top:4px}
.tier-desc{font-size:14.5px;color:var(--on-dark-2);line-height:1.7}
.tier-state{justify-self:end}

.pill-state{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;white-space:nowrap;
  border:1px solid var(--line-dark);color:var(--on-dark-2)
}
.pill-state.is-on{
  background:var(--lime);border-color:var(--lime);color:var(--ink)
}
.pill-state.is-mark{
  background:rgba(255,106,61,.18);border-color:rgba(255,106,61,.5);color:#FFB79E
}

/* HUD 侧栏 */
.hud{
  background:var(--ink-2);
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  padding:28px 26px 30px;
  position:relative;overflow:hidden
}
.hud::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(244,241,234,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(244,241,234,.05) 1px,transparent 1px);
  background-size:32px 32px;pointer-events:none;opacity:.7
}
.hud > *{position:relative;z-index:2}
.hud h3{font-size:19px;margin-bottom:6px;color:var(--on-dark)}
.hud .hud-note{font-size:13.5px;color:var(--on-dark-2);margin-bottom:24px}
.progress-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}
.progress-head span{font-size:13.5px;color:var(--on-dark-2)}
.progress-head strong{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:26px;color:var(--lime);letter-spacing:-.02em
}
.progress-track{
  height:8px;border-radius:var(--pill);
  background:rgba(244,241,234,.12);overflow:hidden
}
.progress-fill{
  height:100%;width:62%;border-radius:var(--pill);
  background:linear-gradient(90deg,var(--lime) 0%,#D6F574 100%)
}
.hud-list{margin-top:26px;display:grid;gap:12px}
.hud-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;color:var(--on-dark-2);
  padding-bottom:12px;border-bottom:1px solid var(--line-dark)
}
.hud-list li:last-child{border-bottom:0;padding-bottom:0}
.hud-list b{color:var(--on-dark);font-weight:600}

/* ============================================================
   08. Z 字图文交错
   ============================================================ */
.zig{display:grid;gap:clamp(36px,5vw,72px)}
.zig-item{
  display:grid;grid-template-columns:1.05fr 1fr;
  gap:clamp(24px,3.4vw,52px);align-items:center
}
.zig-item:nth-child(even) .zig-media{order:2}
.zig-media{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  background:#E7E3DA;aspect-ratio:4/3
}
.zig-media img{width:100%;height:100%;object-fit:cover}
.zig-body h3{font-size:clamp(21px,2.2vw,28px);margin:14px 0 14px}
.zig-body p{color:var(--text-2);font-size:16px}
.zig-steps{margin-top:22px;display:grid;gap:14px}
.zig-steps li{
  display:grid;grid-template-columns:26px 1fr;gap:12px;
  font-size:15.5px;color:var(--text-2)
}
.zig-steps b{
  display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  background:var(--ink);color:var(--lime);
  font-size:12.5px;font-weight:700;
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace
}

/* ============================================================
   09. 对照面板
   ============================================================ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.compare-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:30px 30px 32px;
  display:flex;flex-direction:column;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease)
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.compare-card--dark{background:var(--ink);border-color:rgba(15,17,19,.9);color:var(--on-dark)}
.compare-card--dark .compare-row{border-bottom-color:var(--line-dark)}
.compare-card--dark .compare-row span:first-child{color:var(--on-dark-2)}
.compare-card--dark .compare-row span:last-child{color:var(--on-dark)}
.compare-card h3{font-size:21px;margin:14px 0 8px}
.compare-card > p{font-size:15px;color:var(--text-2)}
.compare-card--dark > p{color:var(--on-dark-2)}
.compare-rows{margin-top:24px}
.compare-row{
  display:grid;grid-template-columns:96px 1fr;gap:16px;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px
}
.compare-row:last-child{border-bottom:0}
.compare-row span:first-child{color:var(--text-3);font-size:13.5px;font-weight:600}
.compare-row span:last-child{color:var(--text)}
.compare-foot{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line);
  font-size:14px;color:var(--text-3)
}
.compare-card--dark .compare-foot{border-top-color:var(--line-dark);color:rgba(244,241,234,.55)}

/* ============================================================
   10. FAQ
   ============================================================ */
.faq{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 2px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text)
}
.faq-q:hover{color:var(--ink)}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  transition:transform 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease)
}
.faq-q .plus i{font-size:11px;color:var(--text-2);transition:color 220ms var(--ease)}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
.faq-item.is-open .faq-q .plus i{color:var(--ink)}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows 280ms var(--ease)
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{
  padding:0 60px 26px 2px;
  font-size:15.5px;color:var(--text-2);line-height:1.85
}

/* ============================================================
   11. CTA 带
   ============================================================ */
.cta-band{background:var(--ink);color:var(--on-dark);padding:clamp(56px,7vw,96px) 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap
}
.cta-inner h2{font-size:clamp(24px,3vw,38px);margin-bottom:12px;max-width:640px}
.cta-inner p{color:var(--on-dark-2);font-size:16px;max-width:620px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:54px;padding:0 30px;border-radius:var(--pill);
  font-size:15.5px;font-weight:700;white-space:nowrap;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease)
}
.btn i{font-size:13px;transition:transform 180ms var(--ease)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 16px 34px rgba(181,230,60,.3)}
.btn-lime:hover i{transform:translateX(3px)}
.btn-ghost{border:1px solid rgba(244,241,234,.4);color:var(--on-dark)}
.btn-ghost:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);transform:translateY(-2px)}

/* ============================================================
   12. 页脚
   ============================================================ */
.site-footer{background:var(--ink);color:var(--on-dark);padding:clamp(48px,6vw,80px) 0 32px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:44px;border-bottom:1px solid var(--line-dark)
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--on-dark);margin-bottom:18px
}
.footer-desc{font-size:14.5px;line-height:1.9;color:var(--on-dark-2);max-width:420px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(244,241,234,.55);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a,.footer-col span{font-size:15px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;font-size:13.5px;color:rgba(244,241,234,.5)
}
.dot-sep{display:inline-block;width:4px;height:4px;border-radius:50%;background:rgba(244,241,234,.35);margin:0 8px;vertical-align:middle}

/* ============================================================
   13. 动效
   ============================================================ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   14. 响应式
   ============================================================ */
@media (max-width:1023px){
  .nav-menu,.nav-cta{display:none}
  .nav-toggle{display:block}
  .pill-nav{gap:16px}
  .mix-grid{grid-template-columns:1fr}
  .tier-wrap{grid-template-columns:1fr}
  .zig-item{grid-template-columns:1fr}
  .zig-item:nth-child(even) .zig-media{order:0}
  .compare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:767px){
  body{font-size:16px}
  .site-header{padding:12px 14px 0}
  .pill-nav{padding:7px 8px 7px 14px;min-height:56px}
  .brand-text{font-size:16.5px}
  .page-hero{margin-top:-68px;padding:126px 0 64px;min-height:0}
  .hero-facts{gap:14px 26px}
  .hero-facts strong{font-size:19px}
  .mix-card--lead .body{padding:22px 20px 26px}
  .mix-card--row{grid-template-columns:92px 1fr;min-height:0}
  .mix-card--row .body{padding:18px 18px 20px}
  .tier-row{
    grid-template-columns:44px 1fr;
    grid-template-areas:"idx name" "idx desc" ". state";
    gap:8px 14px;padding:20px 2px
  }
  .tier-idx{grid-area:idx;font-size:20px}
  .tier-name{grid-area:name}
  .tier-desc{grid-area:desc}
  .tier-state{grid-area:state;justify-self:start;margin-top:6px}
  .faq-a p{padding-right:8px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}

@media (max-width:519px){
  .container{padding:0 18px}
  .eyebrow{font-size:12px}
  .point-list li{font-size:15px}
  .compare-card{padding:24px 20px 26px}
  .compare-row{grid-template-columns:1fr;gap:4px}
  .hud{padding:22px 20px 24px}
}

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

/* roulang page: category4 */
/* =========================================================
   1. 设计变量
   ========================================================= */
:root{
  --ink:#0F1113;
  --ink-2:#1A1D21;
  --ink-3:#23272C;
  --lime:#B5E63C;
  --lime-dark:#9FD024;
  --coral:#FF6A3D;
  --paper:#F4F1EA;
  --white:#FFFFFF;
  --text:#14171A;
  --muted:#5B6167;
  --weak:#8A9098;
  --line:rgba(15,17,19,.08);
  --line-strong:rgba(15,17,19,.16);
  --line-dark:rgba(244,241,234,.14);
  --on-dark:#F4F1EA;
  --on-dark-soft:rgba(244,241,234,.68);
  --r-xs:8px;
  --r-s:12px;
  --r-m:16px;
  --r-l:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,17,19,.04),0 12px 32px rgba(15,17,19,.08);
  --shadow-2:0 20px 48px rgba(15,17,19,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
  --container:1200px;
  --gap:32px;
}
@media (min-width:1440px){ :root{ --container:1320px; } }

/* =========================================================
   2. Reset / Base
   ========================================================= */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4{ margin:0; font-weight:800; color:var(--text); letter-spacing:-0.01em; }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul,ol{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
:focus{ outline:none; }
:focus-visible{ outline:2px solid var(--lime); outline-offset:3px; border-radius:6px; }
::selection{ background:var(--lime); color:var(--ink); }

/* 覆盖 Foundation 默认 */
body,button,input,select,textarea{ font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif; }
a{ color:inherit; }
.button,.button:focus{ background:var(--lime); color:var(--ink); }
.grid-container{ max-width:var(--container); padding-left:20px; padding-right:20px; }

/* =========================================================
   3. 容器与通用工具
   ========================================================= */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.section{ padding:110px 0; }
.section--tight{ padding:78px 0; }
.section--dark{ background:var(--ink); color:var(--on-dark); }
.section--dark h2,.section--dark h3{ color:var(--on-dark); }
.section-head{ max-width:760px; margin-bottom:56px; }
.section-head--center{ margin-left:auto; margin-right:auto; text-align:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600; letter-spacing:.14em;
  color:var(--muted); text-transform:uppercase; margin-bottom:18px;
}
.eyebrow::before{
  content:""; width:22px; height:2px; background:var(--lime); display:block;
}
.section--dark .eyebrow{ color:var(--on-dark-soft); }
h2.section-title{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.2;
  margin-bottom:18px;
}
.section-sub{ color:var(--muted); font-size:16.5px; max-width:680px; }
.section--dark .section-sub{ color:var(--on-dark-soft); }
.rule{ height:1px; background:var(--line); border:0; margin:0; }
.section--dark .rule{ background:var(--line-dark); }

/* =========================================================
   4. 按钮 / 徽章 / 标签
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15.5px; font-weight:600; line-height:1;
  border:1px solid transparent;
  transition:transform var(--t), box-shadow var(--t), background var(--t), color var(--t), border-color var(--t);
  white-space:nowrap;
}
.btn i{ font-size:13px; transition:transform var(--t); }
.btn:hover i{ transform:translateX(3px); }
.btn--primary{ background:var(--lime); color:var(--ink); }
.btn--primary:hover{ background:var(--lime-dark); transform:translateY(-2px); box-shadow:0 14px 32px rgba(181,230,60,.34); }
.btn--ghost{ background:transparent; color:var(--on-dark); border-color:rgba(244,241,234,.38); }
.btn--ghost:hover{ background:var(--on-dark); color:var(--ink); border-color:var(--on-dark); transform:translateY(-2px); }
.btn--outline{ background:transparent; color:var(--text); border-color:var(--line-strong); }
.btn--outline:hover{ background:var(--ink); color:var(--on-dark); border-color:var(--ink); transform:translateY(-2px); }
.btn--sm{ padding:11px 20px; font-size:14px; }

.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding:5px 13px; border-radius:var(--r-pill);
  font-size:12.5px; font-weight:600; line-height:1.5;
  background:rgba(15,17,19,.06); color:var(--text);
}
.badge--lime{ background:var(--lime); color:var(--ink); }
.badge--coral{ background:rgba(255,106,61,.14); color:#C4431E; }
.badge--dark{ background:var(--ink); color:var(--lime); }
.badge--ghost{ background:rgba(244,241,234,.12); color:var(--on-dark); }

.tag-row{ display:flex; flex-wrap:wrap; gap:10px; }
.tag{
  padding:8px 16px; border-radius:var(--r-pill);
  border:1px solid var(--line-strong); font-size:14px; font-weight:600;
  color:var(--muted); background:var(--white);
  transition:border-color var(--t), color var(--t), background var(--t);
}
.tag:hover{ border-color:var(--ink); color:var(--ink); background:#fff; }

/* =========================================================
   5. 悬浮胶囊导航
   ========================================================= */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:120;
  padding:18px 20px;
  pointer-events:none;
}
.pill-nav{
  pointer-events:auto;
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  height:62px;
  display:flex; align-items:center; gap:22px;
  padding:0 12px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(15,17,19,.55);
  border:1px solid rgba(244,241,234,.18);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:var(--on-dark);
  transition:background var(--t), border-color var(--t), color var(--t), box-shadow var(--t);
}
.site-header.is-scrolled .pill-nav{
  background:rgba(255,255,255,.94);
  border-color:var(--line);
  color:var(--text);
  box-shadow:var(--shadow-1);
}
.brand{ display:inline-flex; align-items:center; gap:11px; flex-shrink:0; }
.brand-mark{
  display:grid; grid-template-columns:repeat(3,4px); grid-template-rows:repeat(3,4px);
  gap:3px; color:currentColor;
}
.brand-mark i{ background:currentColor; border-radius:1.5px; opacity:.55; }
.brand-mark i:nth-child(5){ background:var(--lime); opacity:1; }
.brand-mark i:nth-child(1),.brand-mark i:nth-child(9){ opacity:.9; }
.brand-text{ font-size:17.5px; font-weight:800; letter-spacing:-.01em; }
.nav-menu{ display:flex; align-items:center; gap:4px; margin-left:auto; }
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px; font-weight:600;
  border-radius:var(--r-pill);
  transition:background var(--t), color var(--t);
}
.nav-menu a::after{
  content:""; position:absolute; left:14px; right:14px; bottom:3px; height:2px;
  background:var(--lime); border-radius:2px;
  transform:scaleX(0); transform-origin:left;
  transition:transform var(--t);
}
.nav-menu a:hover::after{ transform:scaleX(1); }
.nav-menu a:hover{ background:rgba(181,230,60,.10); }
.nav-menu a.is-active{ color:var(--lime); }
.site-header.is-scrolled .nav-menu a.is-active{ color:var(--text); }
.nav-menu a.is-active::after{ transform:scaleX(1); }
.nav-cta{
  flex-shrink:0;
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 20px; border-radius:var(--r-pill);
  background:var(--lime); color:var(--ink);
  font-size:14.5px; font-weight:600;
  transition:transform var(--t), box-shadow var(--t), background var(--t);
}
.nav-cta:hover{ background:var(--lime-dark); transform:translateY(-2px); box-shadow:0 12px 26px rgba(181,230,60,.32); }
.nav-toggle{
  display:none;
  width:42px; height:42px; border-radius:50%;
  border:1px solid currentColor; background:transparent; color:inherit;
  position:relative; flex-shrink:0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute; left:50%; width:17px; height:2px; background:currentColor; border-radius:2px;
  transform:translateX(-50%); transition:transform var(--t), opacity var(--t);
}
.nav-toggle span{ top:50%; margin-top:-1px; }
.nav-toggle span::before{ content:""; top:-6px; }
.nav-toggle span::after{ content:""; top:6px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ top:0; transform:translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ top:0; transform:translateX(-50%) rotate(-45deg); }

.mobile-drawer{
  pointer-events:auto;
  position:fixed; inset:0; z-index:110;
  background:var(--paper);
  padding:104px 24px 32px;
  display:flex; flex-direction:column;
  transform:translateY(-102%);
  transition:transform 320ms var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{ transform:translateY(0); }
.drawer-menu{ display:flex; flex-direction:column; }
.drawer-menu a{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 4px; font-size:20px; font-weight:700;
  border-bottom:1px solid var(--line);
}
.drawer-menu a i{ font-size:14px; color:var(--weak); }
.drawer-menu a.is-active{ color:#7FA81E; }
.drawer-cta{
  margin-top:28px; text-align:center;
  padding:16px 24px; border-radius:var(--r-pill);
  background:var(--ink); color:var(--lime); font-weight:600; font-size:16px;
}
.drawer-foot{ margin-top:auto; padding-top:32px; color:var(--weak); font-size:14px; }

@media (max-width:1023px){
  .nav-menu,.nav-cta{ display:none; }
  .nav-toggle{ display:block; margin-left:auto; }
}
@media (max-width:520px){
  .site-header{ padding:12px 14px; }
  .pill-nav{ height:56px; padding:0 10px 0 16px; }
  .brand-text{ font-size:16px; }
}

/* =========================================================
   6. 页面 Hero
   ========================================================= */
.page-hero{
  position:relative;
  min-height:400px;
  display:flex; align-items:center;
  padding:150px 0 76px;
  color:var(--on-dark);
  overflow:hidden;
  background-color:var(--ink);
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.page-hero::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(110deg,rgba(15,17,19,.86) 0%,rgba(15,17,19,.62) 58%,rgba(15,17,19,.46) 100%);
}
.page-hero::after{
  content:""; position:absolute; inset:0; opacity:.35;
  background-image:linear-gradient(rgba(244,241,234,.10) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(244,241,234,.10) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 80% 30%,#000 20%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 90% at 80% 30%,#000 20%,transparent 72%);
}
.page-hero .container{ position:relative; z-index:3; }
.crumbs{
  display:flex; align-items:center; gap:10px;
  font-size:13.5px; color:var(--on-dark-soft); margin-bottom:22px;
}
.crumbs a:hover{ color:var(--lime); }
.crumbs span[aria-hidden]{ opacity:.5; }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  padding:7px 16px; border-radius:var(--r-pill);
  border:1px solid rgba(244,241,234,.26);
  font-size:13px; font-weight:600; letter-spacing:.06em;
  color:var(--on-dark); margin-bottom:24px;
}
.hero-eyebrow i{ color:var(--lime); font-size:11px; }
.page-hero h1{
  font-size:clamp(32px,4.6vw,58px);
  line-height:1.14;
  letter-spacing:-.02em;
  color:#fff;
  max-width:15em;
  margin-bottom:22px;
}
.page-hero h1 em{ font-style:normal; color:var(--lime); }
.hero-lead{
  font-size:17.5px; line-height:1.8; color:var(--on-dark-soft);
  max-width:620px; margin-bottom:34px;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:46px; }
.hero-stats{ display:flex; flex-wrap:wrap; gap:44px; }
.hero-stat b{
  display:block; font-size:26px; font-weight:800; color:var(--lime);
  letter-spacing:-.01em; line-height:1.2;
}
.hero-stat span{ font-size:13.5px; color:var(--on-dark-soft); }
@media (max-width:640px){
  .page-hero{ padding:120px 0 60px; min-height:0; }
  .hero-stats{ gap:26px; }
  .hero-stat b{ font-size:22px; }
  .hero-actions .btn{ width:100%; }
}

/* =========================================================
   7. 板块：先弄明白的三件事
   ========================================================= */
.essentials{ }
.ess-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
}
.ess-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex; flex-direction:column;
  transition:transform var(--t), box-shadow var(--t);
}
.ess-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); }
.ess-card--wide{ grid-row:span 2; }
.ess-card--wide .ess-media{ aspect-ratio:16/9; }
.ess-media{ position:relative; overflow:hidden; background:#E7E3DA; aspect-ratio:4/3; }
.ess-media img{ width:100%; height:100%; object-fit:cover; transition:transform 420ms var(--ease); }
.ess-card:hover .ess-media img{ transform:scale(1.03); }
.ess-body{ padding:26px 28px 30px; display:flex; flex-direction:column; gap:12px; }
.ess-num{
  font-size:13px; font-weight:700; letter-spacing:.16em; color:#7FA81E;
}
.ess-card h3{ font-size:21px; line-height:1.4; }
.ess-card p{ color:var(--muted); font-size:15.5px; line-height:1.8; }
.ess-list{ display:flex; flex-direction:column; gap:9px; margin-top:4px; }
.ess-list li{
  position:relative; padding-left:18px; font-size:15px; color:var(--muted);
}
.ess-list li::before{
  content:""; position:absolute; left:0; top:.68em;
  width:6px; height:6px; border-radius:50%; background:var(--lime);
}
@media (max-width:900px){
  .ess-grid{ grid-template-columns:1fr; }
  .ess-card--wide{ grid-row:auto; }
}

/* =========================================================
   8. 板块：分步指南
   ========================================================= */
.steps{ background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.steps-wrap{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:60px; align-items:start; }
.steps-intro{ position:sticky; top:120px; }
.steps-intro h2{ font-size:clamp(26px,3vw,38px); line-height:1.22; margin-bottom:18px; }
.steps-intro p{ color:var(--muted); font-size:16px; margin-bottom:26px; }
.steps-intro .mini-note{
  display:flex; gap:12px; align-items:flex-start;
  padding:18px 20px; border-radius:var(--r-s);
  background:var(--paper); border:1px solid var(--line);
  font-size:14.5px; color:var(--muted);
}
.steps-intro .mini-note i{ color:#7FA81E; margin-top:4px; }

.step-list{ position:relative; padding-left:0; }
.step-list::before{
  content:""; position:absolute; left:25px; top:12px; bottom:12px; width:1px;
  background:linear-gradient(180deg,var(--lime),rgba(15,17,19,.10));
}
.step-item{ position:relative; padding:0 0 36px 74px; }
.step-item:last-child{ padding-bottom:0; }
.step-dot{
  position:absolute; left:0; top:0;
  width:52px; height:52px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--white); border:1px solid var(--line-strong);
  font-weight:800; font-size:16px; color:var(--muted);
  transition:background var(--t), color var(--t), border-color var(--t);
}
.step-item:hover .step-dot{ background:var(--ink); color:var(--lime); border-color:var(--ink); }
.step-item h3{ font-size:20px; margin-bottom:10px; }
.step-item p{ color:var(--muted); font-size:15.5px; line-height:1.82; }
.step-meta{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
@media (max-width:900px){
  .steps-wrap{ grid-template-columns:1fr; gap:40px; }
  .steps-intro{ position:static; }
}

/* =========================================================
   9. 板块：入门清单 + 数据
   ========================================================= */
.checklist-wrap{ display:grid; grid-template-columns:1.15fr .85fr; gap:52px; align-items:start; }
.check-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--r-m);
  padding:34px 34px 30px; box-shadow:var(--shadow-1);
}
.check-card h3{ font-size:22px; margin-bottom:8px; }
.check-card > p{ color:var(--muted); font-size:15.5px; margin-bottom:24px; }
.check-list{ display:flex; flex-direction:column; }
.check-list li{
  display:flex; gap:14px; align-items:flex-start;
  padding:16px 0; border-top:1px solid var(--line);
  font-size:15.5px; color:var(--text); line-height:1.7;
}
.check-list li:first-child{ border-top:0; padding-top:0; }
.check-list i{
  flex-shrink:0; margin-top:3px;
  width:20px; height:20px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--lime); color:var(--ink); font-size:10px;
}
.check-foot{
  margin-top:22px; padding-top:20px; border-top:1px dashed var(--line-strong);
  font-size:14px; color:var(--weak);
}
.metrics{ display:flex; flex-direction:column; gap:16px; }
.metric{
  background:var(--ink); color:var(--on-dark);
  border-radius:var(--r-m); padding:26px 28px;
  display:flex; align-items:baseline; justify-content:space-between; gap:16px;
}
.metric b{
  font-size:34px; font-weight:800; color:var(--lime); letter-spacing:-.02em; line-height:1;
}
.metric span{ font-size:14.5px; color:var(--on-dark-soft); text-align:right; }
.metric--light{
  background:var(--white); color:var(--text); border:1px solid var(--line);
}
.metric--light b{ color:var(--text); }
.metric--light span{ color:var(--muted); }
@media (max-width:900px){
  .checklist-wrap{ grid-template-columns:1fr; gap:32px; }
  .check-card{ padding:26px 22px; }
}

/* =========================================================
   10. 板块：弯路对照
   ========================================================= */
.compare{ background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.compare-panel{
  display:grid; grid-template-columns:1fr 1fr;
  border:1px solid var(--line); border-radius:var(--r-m); overflow:hidden;
  background:var(--white); box-shadow:var(--shadow-1);
}
.compare-col{ padding:30px 32px; }
.compare-col + .compare-col{ border-left:1px solid var(--line); }
.compare-col--alt{ background:var(--paper); }
.compare-head{
  display:flex; align-items:center; gap:10px;
  font-size:14px; font-weight:700; letter-spacing:.06em;
  padding-bottom:18px; margin-bottom:6px; border-bottom:1px solid var(--line);
}
.compare-head i{ font-size:12px; }
.compare-head--warn i{ color:var(--coral); }
.compare-head--good i{ color:#7FA81E; }
.compare-row{
  display:flex; gap:12px; align-items:flex-start;
  padding:16px 0; border-bottom:1px dashed var(--line);
  font-size:15.5px; line-height:1.75; color:var(--text);
}
.compare-row:last-child{ border-bottom:0; }
.compare-row b{ font-weight:700; }
.compare-col--alt .compare-row{ color:var(--text); }
@media (max-width:768px){
  .compare-panel{ grid-template-columns:1fr; }
  .compare-col + .compare-col{ border-left:0; border-top:1px solid var(--line); }
  .compare-col{ padding:24px 20px; }
}

/* =========================================================
   11. 板块：适用情况
   ========================================================= */
.who-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-bottom:40px; }
.who-card{
  position:relative;
  background:var(--white); border:1px solid var(--line); border-radius:var(--r-m);
  overflow:hidden; box-shadow:var(--shadow-1);
  display:grid; grid-template-columns:150px 1fr; align-items:stretch;
  transition:transform var(--t), box-shadow var(--t);
}
.who-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); }
.who-card img{ width:100%; height:100%; object-fit:cover; }
.who-body{ padding:24px 26px; display:flex; flex-direction:column; gap:10px; }
.who-body h3{ font-size:19px; line-height:1.45; }
.who-body p{ font-size:15px; color:var(--muted); line-height:1.78; }
.who-body .badge{ align-self:flex-start; }
@media (max-width:900px){
  .who-grid{ grid-template-columns:1fr; }
}
@media (max-width:520px){
  .who-card{ grid-template-columns:1fr; }
  .who-card img{ aspect-ratio:16/9; }
}

/* =========================================================
   12. FAQ
   ========================================================= */
.faq{ max-width:900px; margin:0 auto; }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-item:first-child{ border-top:1px solid var(--line); }
.faq-q{
  width:100%; background:transparent; border:0;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:24px 4px; text-align:left;
  font-size:17px; font-weight:600; color:var(--text);
  transition:color var(--t);
}
.faq-q:hover{ color:#6E9414; }
.faq-q i{
  flex-shrink:0; font-size:14px; color:var(--muted);
  transition:transform 240ms var(--ease), color var(--t);
}
.faq-item.is-open .faq-q i{ transform:rotate(45deg); color:#7FA81E; }
.faq-a{
  max-height:0; overflow:hidden;
  transition:max-height 300ms var(--ease);
}
.faq-a p{
  padding:0 60px 26px 4px;
  font-size:15.5px; line-height:1.85; color:var(--muted);
}

/* =========================================================
   13. CTA 带
   ========================================================= */
.cta-band{
  background:var(--ink); color:var(--on-dark);
  position:relative; overflow:hidden;
}
.cta-band::after{
  content:"9"; position:absolute; right:-2%; top:50%; transform:translateY(-50%);
  font-size:clamp(180px,26vw,380px); font-weight:800; line-height:1;
  color:rgba(244,241,234,.045); pointer-events:none; user-select:none;
}
.cta-inner{
  position:relative; z-index:2;
  padding:86px 0;
  display:flex; align-items:center; justify-content:space-between; gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(24px,3vw,36px); color:var(--on-dark); line-height:1.24;
  margin-bottom:12px;
}
.cta-inner p{ color:var(--on-dark-soft); font-size:16px; max-width:560px; }

/* =========================================================
   14. 页脚
   ========================================================= */
.site-footer{ background:var(--ink); color:var(--on-dark); padding:76px 0 34px; }
.footer-grid{
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px; padding-bottom:52px; border-bottom:1px solid var(--line-dark);
}
.footer-brand{
  display:flex; align-items:center; gap:11px;
  font-size:19px; font-weight:800; color:var(--on-dark); margin-bottom:18px;
}
.footer-desc{ font-size:14.5px; line-height:1.85; color:var(--on-dark-soft); max-width:360px; }
.footer-col h4{
  font-size:14px; font-weight:600; color:var(--on-dark-soft);
  letter-spacing:.06em; margin-bottom:18px;
}
.footer-col ul{ display:flex; flex-direction:column; gap:11px; }
.footer-col a,.footer-col span{ font-size:15px; color:rgba(244,241,234,.82); transition:color var(--t); }
.footer-col a:hover{ color:var(--lime); }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between;
  padding-top:26px; font-size:13.5px; color:rgba(244,241,234,.58);
}
.dot-sep{
  display:inline-block; width:4px; height:4px; border-radius:50%;
  background:rgba(244,241,234,.42); margin:0 8px; vertical-align:middle;
}
@media (max-width:900px){
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width:520px){
  .footer-grid{ grid-template-columns:1fr; }
  .site-footer{ padding:56px 0 28px; }
}

/* =========================================================
   15. 动效
   ========================================================= */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity 620ms var(--ease), transform 620ms var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}
@media (max-width:640px){
  .section{ padding:60px 0; }
  .section--tight{ padding:48px 0; }
  .section-head{ margin-bottom:36px; }
  .cta-inner{ padding:60px 0; }
}

/* roulang page: category3 */
/* ============================================================
   设计变量
   ============================================================ */
:root{
  --ink:#0F1113;
  --ink-2:#1A1D21;
  --lime:#B5E63C;
  --coral:#FF6A3D;
  --paper:#F4F1EA;
  --card:#FFFFFF;
  --text:#14171A;
  --sub:#5B6167;
  --mute:#8A9098;
  --line:rgba(15,17,19,.08);
  --line-strong:rgba(15,17,19,.14);
  --line-dark:rgba(244,241,234,.14);
  --on-dark:#F4F1EA;
  --on-dark-sub:rgba(244,241,234,.68);
  --radius-card:16px;
  --radius-hero:28px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,17,19,.04),0 12px 32px rgba(15,17,19,.08);
  --shadow-2:0 20px 48px rgba(15,17,19,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-section:110px;
  --font-sans:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============================================================
   基础 reset / base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:12px;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
input,textarea{font-family:inherit;font-size:inherit;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

/* 覆盖 Foundation 默认 */
body,p,div,span,h1,h2,h3,h4,li,a,button{font-family:var(--font-sans);}
a{color:inherit;}
a:hover{color:inherit;}
button,.button{background:none;}

/* ============================================================
   容器与通用元素
   ============================================================ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.section{padding:var(--gap-section) 0;}
.section--tight{padding:72px 0;}
.section-head{margin-bottom:48px;max-width:760px;}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
}
.section-head p{
  margin-top:16px;
  font-size:17px;
  line-height:1.8;
  color:var(--sub);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sub);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--lime);
  display:block;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  line-height:1.5;
  background:rgba(15,17,19,.05);
  color:var(--sub);
  white-space:nowrap;
}
.tag--lime{background:var(--lime);color:var(--ink);}
.tag--coral{background:rgba(255,106,61,.14);color:#C9421A;}
.tag--dark{background:var(--ink);color:var(--lime);}
.tag--ghost{background:transparent;border:1px solid var(--line-strong);color:var(--sub);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn--primary{background:var(--lime);color:var(--ink);box-shadow:0 10px 24px rgba(181,230,60,.28);}
.btn--primary:hover{background:#A8DC2C;transform:translateY(-2px);box-shadow:0 16px 32px rgba(181,230,60,.34);}
.btn--dark{background:var(--ink);color:var(--on-dark);}
.btn--dark:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn--ghost:hover{background:var(--ink);color:var(--on-dark);border-color:var(--ink);transform:translateY(-2px);}
.btn--ghost-invert{background:transparent;border-color:rgba(244,241,234,.32);color:var(--on-dark);}
.btn--ghost-invert:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);transform:translateY(-2px);}

/* ============================================================
   悬浮胶囊导航
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:16px 20px 0;
}
.pill-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  max-width:1200px;
  margin:0 auto;
  height:62px;
  padding:0 10px 0 18px;
  border-radius:var(--radius-pill);
  background:rgba(15,17,19,.58);
  border:1px solid rgba(244,241,234,.18);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:var(--on-dark);
  transition:background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled .pill-nav{
  background:rgba(255,255,255,.94);
  border-color:var(--line);
  color:var(--ink);
  box-shadow:0 1px 2px rgba(15,17,19,.04),0 14px 34px rgba(15,17,19,.10);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  color:currentColor;
}
.brand-text{white-space:nowrap;}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2.5px;
  width:22px;
  height:22px;
  flex:0 0 auto;
}
.brand-mark i{
  display:block;
  border-radius:50%;
  background:currentColor;
  opacity:.42;
}
.brand-mark i:nth-child(1),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(9){background:var(--lime);opacity:1;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 15px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  color:currentColor;
  opacity:.82;
  transition:opacity .18s var(--ease),background-color .18s var(--ease);
}
.nav-menu a:hover{opacity:1;background:rgba(181,230,60,.16);}
.nav-menu a.is-active{opacity:1;}
.nav-menu a.is-active::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime);
  margin-right:7px;
  flex:0 0 auto;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-pill);
  background:var(--lime);
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-cta:hover{background:#A8DC2C;transform:translateY(-2px);box-shadow:0 12px 26px rgba(181,230,60,.3);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid currentColor;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.nav-toggle span{
  position:relative;
  display:block;
  width:18px;
  height:1.5px;
  background:currentColor;
  transition:background-color .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:1.5px;
  background:currentColor;
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:var(--paper);
  padding:110px 28px 36px;
  display:flex;
  flex-direction:column;
  transform:translateY(-102%);
  transition:transform .34s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);}
.drawer-menu{display:flex;flex-direction:column;gap:2px;}
.drawer-menu a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 4px;
  font-size:23px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-menu a.is-active{color:var(--ink);}
.drawer-menu a.is-active::after{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--lime);
}
.drawer-menu a i{font-size:15px;color:var(--mute);}
.drawer-cta{
  margin-top:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px 24px;
  border-radius:var(--radius-pill);
  background:var(--lime);
  color:var(--ink);
  font-size:16px;
  font-weight:700;
}
.drawer-foot{
  margin-top:auto;
  padding-top:28px;
  font-size:13px;
  color:var(--mute);
}

/* ============================================================
   内页页头
   ============================================================ */
.page-hero{
  position:relative;
  margin-top:-78px;
  padding:170px 0 68px;
  min-height:378px;
  display:flex;
  align-items:flex-end;
  background-color:#101214;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
  border-radius:0 0 var(--radius-hero) var(--radius-hero);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(15,17,19,.92) 0%,rgba(15,17,19,.78) 48%,rgba(15,17,19,.58) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right,rgba(244,241,234,.07) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(244,241,234,.07) 1px,transparent 1px);
  background-size:74px 74px;
  -webkit-mask-image:linear-gradient(115deg,rgba(0,0,0,.95),transparent 68%);
  mask-image:linear-gradient(115deg,rgba(0,0,0,.95),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--on-dark-sub);
  margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.45;}
.page-hero h1{
  font-size:clamp(32px,4.8vw,58px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--on-dark);
  max-width:16em;
}
.page-hero .lead{
  margin-top:22px;
  font-size:17px;
  line-height:1.8;
  color:var(--on-dark-sub);
  max-width:44em;
}
.page-hero .hero-tags{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.page-hero .hero-tags .tag{
  background:rgba(244,241,234,.10);
  border:1px solid var(--line-dark);
  color:var(--on-dark);
}
.page-hero .hero-tags .tag--lime{background:var(--lime);color:var(--ink);border-color:transparent;}

/* ============================================================
   进度总览（深色 HUD）
   ============================================================ */
.hud-panel{
  position:relative;
  background:var(--ink);
  border-radius:var(--radius-hero);
  padding:52px 48px;
  color:var(--on-dark);
  overflow:hidden;
}
.hud-panel::after{
  content:"";
  position:absolute;
  top:-60px;
  right:-60px;
  width:320px;
  height:320px;
  background-image:
    linear-gradient(to right,rgba(181,230,60,.16) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(181,230,60,.16) 1px,transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 70% 30%,#000,transparent 72%);
  pointer-events:none;
}
.hud-head{position:relative;z-index:2;max-width:720px;}
.hud-head h2{
  font-size:clamp(24px,2.8vw,34px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--on-dark);
  margin-top:18px;
}
.hud-head p{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--on-dark-sub);
}
.hud-stats{
  position:relative;
  z-index:2;
  margin-top:44px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line-dark);
  border:1px solid var(--line-dark);
  border-radius:14px;
  overflow:hidden;
}
.hud-stat{
  background:var(--ink-2);
  padding:26px 24px;
}
.hud-stat .num{
  font-size:clamp(28px,3.2vw,40px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  color:var(--lime);
}
.hud-stat .num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--on-dark-sub);}
.hud-stat .lab{
  margin-top:12px;
  font-size:14px;
  color:var(--on-dark-sub);
}
.hud-bar{
  position:relative;
  z-index:2;
  margin-top:40px;
}
.hud-bar .bar-top{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:14px;
  font-size:14px;
  color:var(--on-dark-sub);
}
.hud-bar .bar-top b{color:var(--lime);font-size:20px;font-variant-numeric:tabular-nums;}
.bar-track{
  position:relative;
  height:8px;
  border-radius:var(--radius-pill);
  background:rgba(244,241,234,.12);
  overflow:hidden;
}
.bar-fill{
  position:absolute;
  inset:0 auto 0 0;
  width:68%;
  border-radius:var(--radius-pill);
  background:var(--lime);
}
.bar-marks{
  display:flex;
  justify-content:space-between;
  margin-top:14px;
  font-size:12.5px;
  color:var(--on-dark-sub);
  gap:8px;
}
.bar-marks span{flex:1 1 0;text-align:center;}
.bar-marks span:first-child{text-align:left;}
.bar-marks span:last-child{text-align:right;}

/* ============================================================
   阶段清单
   ============================================================ */
.step-list{border-bottom:1px solid var(--line);}
.step-row{
  position:relative;
  display:grid;
  grid-template-columns:104px minmax(0,1fr) 300px;
  gap:32px;
  padding:32px 4px 32px 20px;
  border-top:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.step-row::before{
  content:"";
  position:absolute;
  left:0;
  top:26px;
  bottom:26px;
  width:3px;
  border-radius:3px;
  background:transparent;
  transition:background-color .22s var(--ease);
}
.step-row:hover{background:rgba(255,255,255,.6);}
.step-row:hover::before{background:var(--lime);}
.step-no{
  font-size:44px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
  color:rgba(15,17,19,.13);
  transition:color .22s var(--ease);
}
.step-row:hover .step-no{color:var(--lime);}
.step-main h3{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
  letter-spacing:-.01em;
  color:var(--ink);
}
.step-main p{
  margin-top:10px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--sub);
}
.step-meta{
  display:flex;
  flex-direction:column;
  gap:12px;
  border-left:1px solid var(--line);
  padding-left:26px;
}
.step-meta div{display:flex;gap:10px;align-items:baseline;}
.step-meta dt{
  font-size:12.5px;
  font-weight:600;
  color:var(--mute);
  flex:0 0 62px;
  white-space:nowrap;
}
.step-meta dd{
  font-size:14.5px;
  color:var(--text);
  line-height:1.65;
}

/* ============================================================
   对比面板
   ============================================================ */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  align-items:stretch;
}
.compare-col{
  display:flex;
  flex-direction:column;
  gap:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.compare-col:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.compare-col h3{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.compare-col dl{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.compare-col dt{
  font-size:12.5px;
  font-weight:600;
  color:var(--mute);
  letter-spacing:.02em;
}
.compare-col dd{
  margin-top:4px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}
.compare-col.is-primary{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--on-dark);
}
.compare-col.is-primary h3{color:var(--on-dark);}
.compare-col.is-primary dt{color:rgba(244,241,234,.55);}
.compare-col.is-primary dd{color:var(--on-dark-sub);}
.compare-col.is-primary dl{border-top-color:var(--line-dark);}

/* ============================================================
   优先级清单
   ============================================================ */
.check-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-hero);
  padding:48px;
  box-shadow:var(--shadow-1);
}
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 44px;
}
.check-item{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.check-item:last-child{border-bottom:1px solid var(--line);}
.check-icon{
  flex:0 0 auto;
  width:24px;
  height:24px;
  margin-top:2px;
  border-radius:8px;
  background:var(--lime);
  color:var(--ink);
  display:grid;
  place-items:center;
  font-size:11px;
}
.check-item p{
  font-size:15.5px;
  line-height:1.7;
  color:var(--text);
}
.check-item p span{
  display:block;
  margin-top:4px;
  font-size:13.5px;
  color:var(--mute);
}

/* ============================================================
   卡点对照
   ============================================================ */
.trouble-table{
  border-top:1px solid var(--line);
}
.trouble-head{
  display:grid;
  grid-template-columns:1.05fr 0.95fr 1.2fr;
  gap:28px;
  padding:16px 4px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--mute);
  border-bottom:1px solid var(--line);
}
.trouble-row{
  display:grid;
  grid-template-columns:1.05fr 0.95fr 1.2fr;
  gap:28px;
  padding:26px 4px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.trouble-row:hover{background:rgba(255,255,255,.6);}
.trouble-row .sym{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  line-height:1.55;
}
.trouble-row .sym::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--coral);
}
.trouble-row .why,
.trouble-row .fix{
  font-size:15px;
  line-height:1.75;
  color:var(--sub);
}
.trouble-row .fix{color:var(--text);}

/* ============================================================
   图文补充块
   ============================================================ */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split figure{
  position:relative;
  border-radius:var(--radius-hero);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.split figure img{
  width:100%;
  height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:0;
  transition:transform .5s var(--ease);
}
.split figure:hover img{transform:scale(1.03);}
.split h2{
  font-size:clamp(24px,2.9vw,36px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
}
.split p{
  margin-top:18px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--sub);
}
.mini-list{
  margin-top:28px;
  display:flex;
  flex-direction:column;
  gap:0;
  border-top:1px solid var(--line);
}
.mini-list li{
  display:flex;
  gap:16px;
  align-items:baseline;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.mini-list li b{
  flex:0 0 auto;
  font-size:13px;
  font-weight:700;
  color:var(--mute);
  font-variant-numeric:tabular-nums;
}
.mini-list li span{font-size:15.5px;color:var(--text);line-height:1.7;}

/* ============================================================
   FAQ
   ============================================================ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 2px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:#000;}
.faq-q .ico{
  flex:0 0 auto;
  width:30px;
  height:30px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  display:grid;
  place-items:center;
  font-size:12px;
  color:var(--sub);
  transition:transform .26s var(--ease),background-color .26s var(--ease),border-color .26s var(--ease),color .26s var(--ease);
}
.faq-item.is-open .faq-q .ico{
  transform:rotate(45deg);
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 56px 26px 2px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--sub);
}
.faq-item.is-open .faq-a{max-height:320px;}

/* ============================================================
   CTA 带
   ============================================================ */
.cta-band{
  position:relative;
  background:var(--ink);
  border-radius:var(--radius-hero);
  padding:64px 56px;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) auto;
  gap:36px;
  align-items:center;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-80px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(181,230,60,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  position:relative;
  z-index:2;
  font-size:clamp(24px,3vw,38px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--on-dark);
}
.cta-band p{
  position:relative;
  z-index:2;
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:var(--on-dark-sub);
  max-width:44em;
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  margin-top:var(--gap-section);
  background:var(--ink);
  color:var(--on-dark);
  padding:76px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--on-dark);
}
.footer-brand .brand-mark{color:var(--on-dark);}
.footer-desc{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--on-dark-sub);
  max-width:34em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:rgba(244,241,234,.5);
  letter-spacing:.04em;
  margin-bottom:20px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:15px;
  color:var(--on-dark-sub);
}
.footer-col a:hover{color:var(--lime);}
.footer-col span{
  font-size:14.5px;
  color:var(--on-dark-sub);
  line-height:1.7;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:26px 0 34px;
  font-size:13.5px;
  color:rgba(244,241,234,.46);
}
.dot-sep{
  display:inline-block;
  width:4px;
  height:4px;
  border-radius:50%;
  background:rgba(244,241,234,.32);
  margin:0 10px;
  vertical-align:middle;
}

/* ============================================================
   动效
   ============================================================ */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none;}

/* ============================================================
   响应式：1024 / 900 / 768 / 640 / 520
   ============================================================ */
@media (max-width:1100px){
  .nav-menu a{padding:9px 11px;font-size:14.5px;}
  .step-row{grid-template-columns:88px minmax(0,1fr) 260px;gap:26px;}
}

@media (max-width:1024px){
  :root{--gap-section:88px;}
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .pill-nav{padding:0 8px 0 18px;}
  .compare-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hud-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:36px;}
  .split figure{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}

@media (max-width:900px){
  .page-hero{padding:150px 0 56px;min-height:340px;}
  .hud-panel{padding:40px 30px;}
  .check-panel{padding:36px 28px;}
  .step-row{grid-template-columns:66px minmax(0,1fr);gap:20px;padding:26px 2px 26px 16px;}
  .step-no{font-size:34px;}
  .step-meta{
    grid-column:2 / 3;
    border-left:0;
    padding-left:0;
    border-top:1px solid var(--line);
    padding-top:16px;
    flex-direction:row;
    flex-wrap:wrap;
    gap:10px 22px;
  }
  .step-meta div{flex:0 0 auto;}
  .trouble-head{display:none;}
  .trouble-row{grid-template-columns:1fr;gap:12px;padding:24px 2px;}
  .trouble-row .why::before,
  .trouble-row .fix::before{
    display:block;
    font-size:12px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--mute);
    margin-bottom:4px;
  }
  .trouble-row .why::before{content:"常见原因";}
  .trouble-row .fix::before{content:"处理顺序";}
  .cta-band{grid-template-columns:1fr;padding:48px 32px;gap:28px;}
}

@media (max-width:768px){
  :root{--gap-section:68px;}
  body{font-size:16px;}
  .compare-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .hud-stat{padding:22px 18px;}
  .section-head{margin-bottom:34px;}
}

@media (max-width:640px){
  :root{--gap-section:56px;}
  .container{padding:0 20px;}
  .site-header{padding:12px 14px 0;}
  .pill-nav{height:56px;}
  .brand{font-size:16px;}
  .page-hero{margin-top:-68px;padding:130px 0 46px;min-height:300px;border-radius:0 0 20px 20px;}
  .page-hero .lead{font-size:15.5px;}
  .hud-panel{padding:32px 22px;border-radius:20px;}
  .hud-stats{grid-template-columns:1fr;}
  .bar-marks{display:none;}
  .check-panel{padding:30px 22px;border-radius:20px;}
  .step-row{grid-template-columns:1fr;gap:12px;padding-left:14px;}
  .step-no{font-size:30px;}
  .step-meta{grid-column:1 / -1;}
  .faq-a p{padding-right:20px;}
  .cta-band{padding:40px 24px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .split h2{font-size:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

@media (max-width:400px){
  .page-hero h1{font-size:28px;}
  .hud-stat .num{font-size:26px;}
}

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