/* roulang page: index */
/* ============================================================
   设计变量
   ============================================================ */
:root{
  --ink:#221C3F;
  --ink-2:#2E2755;
  --ink-3:#4A3F7A;
  --accent:#F0863C;
  --accent-h:#F79B58;
  --accent-d:#D96F26;
  --mist:#8E8AA6;
  --line:#E7E4DE;
  --line-2:#ECE9E3;
  --line-3:#DCD8D0;
  --sand:#F7F5F1;
  --deep:#0B0918;
  --paper:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D64545;
  --r-sm:8px;
  --r-md:12px;
  --r-img:14px;
  --r-lg:18px;
  --r-xl:24px;
  --pill:999px;
  --sh1:0 1px 2px rgba(11,9,24,.06),0 8px 24px rgba(11,9,24,.06);
  --sh2:0 12px 32px rgba(11,9,24,.10);
  --sh3:0 24px 64px rgba(11,9,24,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1240px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Manrope","Inter",-apple-system,"Helvetica Neue",Arial,sans-serif;
}

/* ============================================================
   基础 reset
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--ink);
  background:var(--deep);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
main{background:var(--sand);display:block;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
figure{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:var(--r-sm);
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ============================================================
   容器与通用
   ============================================================ */
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section--tight{padding:80px 0;}
.section--paper{background:var(--paper);}
.section--deep{background:var(--ink);color:#EDEAF5;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-eyebrow::before{
  content:"";
  width:8px;height:8px;border-radius:2px;
  background:var(--accent);
  flex:0 0 8px;
}
.section-title{
  font-size:clamp(1.5rem,2.6vw,2.25rem);
  line-height:1.25;
  letter-spacing:-.02em;
}
.section-desc{
  margin-top:12px;
  max-width:640px;
  font-size:15px;
  line-height:1.8;
  color:var(--mist);
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  white-space:nowrap;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border-radius:var(--pill);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),
             background-color .22s var(--ease),color .22s var(--ease),
             border-color .22s var(--ease);
}
.btn-lg{height:54px;padding:0 30px;font-size:16px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

.btn-primary{
  background:var(--accent);
  color:var(--deep);
  box-shadow:0 6px 18px rgba(240,134,60,.26);
}
.btn-primary:hover{
  background:var(--accent-h);
  transform:translateY(-2px);
  box-shadow:var(--sh2);
}
.btn-primary:active{transform:translateY(0);background:var(--accent-d);box-shadow:0 3px 10px rgba(240,134,60,.3);}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.btn-ghost{
  background:transparent;
  color:#EDEAF5;
  border-color:rgba(237,234,245,.28);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);color:var(--accent-d);border-color:var(--accent-d);}

.btn-outline{
  background:transparent;
  color:var(--ink);
  border-color:var(--line-3);
}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);box-shadow:var(--sh1);}
.btn-outline:active{transform:translateY(0);color:var(--accent-d);border-color:var(--accent-d);}

/* ============================================================
   顶部导航 —— 卡片化控制面板
   ============================================================ */
.site-header{
  position:sticky;
  top:12px;
  z-index:90;
  padding:12px 20px 0;
}
.nav-panel{
  position:relative;
  max-width:var(--wrap);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  height:76px;
  padding:0 14px 0 20px;
  background:rgba(34,28,63,.94);
  border:1px solid rgba(240,134,60,.18);
  border-radius:var(--r-lg);
  box-shadow:0 12px 32px rgba(11,9,24,.28);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled .nav-panel{
  background:rgba(34,28,63,.92);
  box-shadow:0 24px 64px rgba(11,9,24,.42);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,#F0863C,#F5AE75);
  color:var(--deep);
  flex-shrink:0;
  box-shadow:0 4px 14px rgba(240,134,60,.35);
}
.brand-name{
  font-size:16px;
  font-weight:700;
  letter-spacing:-.02em;
  color:#fff;
  white-space:nowrap;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  font-size:14px;
  font-weight:500;
  color:rgba(237,234,245,.76);
  border:1px solid transparent;
  border-radius:var(--r-md);
  white-space:nowrap;
  transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);
}
.nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.12);
}
.nav-link.is-active{
  color:#fff;
  background:rgba(240,134,60,.16);
  border-color:rgba(240,134,60,.42);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:var(--r-md);
  border:1px solid rgba(237,234,245,.22);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-toggle span{
  display:block;
  width:16px;height:2px;
  border-radius:2px;
  background:#EDEAF5;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);background:rgba(240,134,60,.12);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-panel{
  display:none;
  max-width:var(--wrap);
  margin:8px auto 0;
  padding:12px;
  background:rgba(34,28,63,.98);
  border:1px solid rgba(240,134,60,.2);
  border-radius:var(--r-lg);
  box-shadow:var(--sh3);
  flex-direction:column;
  gap:4px;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel a{
  display:block;
  padding:13px 16px;
  font-size:15px;
  font-weight:500;
  color:rgba(237,234,245,.82);
  border-radius:var(--r-md);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.mobile-panel a:hover{background:rgba(255,255,255,.08);color:#fff;}
.mobile-panel a.is-active{background:rgba(240,134,60,.18);color:#fff;}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative;
  background:var(--deep);
  color:#fff;
  padding:64px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:-10% -10% auto -10%;
  height:120%;
  background-image:
    radial-gradient(rgba(255,255,255,.5) 1px,transparent 1.2px),
    radial-gradient(rgba(240,134,60,.45) 1px,transparent 1.2px);
  background-size:96px 96px,168px 168px;
  background-position:0 0,42px 58px;
  opacity:.28;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  right:-12%;
  top:-18%;
  width:620px;height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,134,60,.20) 0%,rgba(240,134,60,0) 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--accent);
  background:rgba(240,134,60,.12);
  border:1px solid rgba(240,134,60,.32);
  border-radius:var(--pill);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  flex:0 0 6px;
}
.hero-title{
  margin:22px 0 0;
  font-size:clamp(2rem,5.2vw,3.75rem);
  line-height:1.1;
  letter-spacing:-.02em;
  font-weight:700;
  color:#fff;
}
.hero-sub{
  margin-top:22px;
  max-width:560px;
  font-size:17px;
  line-height:1.8;
  color:rgba(237,234,245,.72);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.hero-badges li{
  font-size:13px;
  color:rgba(237,234,245,.78);
  padding:6px 14px;
  border:1px solid rgba(237,234,245,.18);
  border-radius:var(--pill);
  background:rgba(255,255,255,.04);
}

.hero-visual{
  display:flex;
  align-items:flex-end;
  gap:16px;
  overflow-x:auto;
  padding:4px 4px 12px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.hero-visual::-webkit-scrollbar{display:none;}
.hero-card{
  position:relative;
  flex:0 0 220px;
  aspect-ratio:9/16;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 32px 80px rgba(0,0,0,.5);
  scroll-snap-align:start;
  animation:breathe 6s var(--ease) infinite;
}
.hero-card:nth-child(2){animation-delay:1.4s;}
@keyframes breathe{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-6px);}
}
.hero-card img{
  width:100%;height:100%;
  object-fit:cover;
}
.hero-card::before{
  content:"";
  position:absolute;inset:0;z-index:1;
  background-image:
    radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
    radial-gradient(rgba(255,255,255,.34) 1px,transparent 1px);
  background-size:52px 52px,88px 88px;
  background-position:0 0,26px 30px;
  opacity:.32;
  pointer-events:none;
}
.hero-card::after{
  content:"";
  position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,rgba(11,9,24,0) 40%,rgba(11,9,24,.88) 100%);
  pointer-events:none;
}
.hero-card-tag{
  position:absolute;
  z-index:3;
  left:14px;
  bottom:60px;
  padding:5px 11px;
  font-size:12px;
  font-weight:600;
  color:var(--ink);
  background:rgba(255,255,255,.94);
  border-radius:var(--pill);
}
.hero-card figcaption{
  position:absolute;
  z-index:3;
  left:14px;right:14px;bottom:16px;
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.82);
}
.hero-side{
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:0 0 auto;
  padding-bottom:6px;
}
.mini-stat{
  min-width:108px;
  padding:14px 16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-img);
}
.mini-stat strong{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  font-weight:700;
  line-height:1.1;
  color:var(--accent);
}
.mini-stat span{
  display:block;
  margin-top:2px;
  font-size:12px;
  color:rgba(237,234,245,.68);
}

/* ============================================================
   横向卡片带
   ============================================================ */
.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding:6px 4px 20px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  position:relative;
  flex:0 0 224px;
  aspect-ratio:9/16;
  border-radius:var(--r-xl);
  overflow:hidden;
  scroll-snap-align:start;
  box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rail-card:hover,.rail-card:focus-visible{
  transform:translateY(-4px) scale(1.03);
  box-shadow:var(--sh2);
}
.rail-card img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.rail-card:hover img{transform:scale(1.05);}
.rail-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,24,.06) 30%,rgba(11,9,24,.86) 100%);
}
.rail-badge{
  position:absolute;
  z-index:3;
  top:12px;left:12px;
  padding:4px 9px;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  color:#fff;
  background:rgba(11,9,24,.6);
  border-radius:var(--r-sm);
  backdrop-filter:blur(4px);
}
.rail-play{
  position:absolute;
  z-index:3;
  top:50%;left:50%;
  width:48px;height:48px;
  margin:-24px 0 0 -24px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.94);
  color:var(--ink);
  opacity:0;
  transform:scale(.86);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.rail-card:hover .rail-play,.rail-card:focus-visible .rail-play{opacity:1;transform:scale(1);}
.rail-body{
  position:absolute;
  z-index:3;
  left:16px;right:16px;bottom:16px;
}
.rail-body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.4;
  color:#fff;
}
.rail-body p{
  margin-top:6px;
  font-size:12.5px;
  line-height:1.6;
  color:rgba(255,255,255,.74);
}

/* ============================================================
   清单
   ============================================================ */
.pick-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;
}
.pick-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:transform .22s var(--ease);
}
.pick-item:hover{transform:translateX(4px);}
.pick-num{
  flex:0 0 56px;
  font-family:var(--font-num);
  font-size:40px;
  font-weight:700;
  line-height:1;
  color:#CFCAC2;
  transition:color .22s var(--ease);
}
.pick-item:hover .pick-num{color:var(--accent);}
.pick-text{flex:1 1 auto;min-width:0;}
.pick-text h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:4px;
}
.pick-text p{
  font-size:14px;
  line-height:1.7;
  color:var(--mist);
}
.pick-thumb{
  flex:0 0 88px;
  width:88px;height:88px;
  border-radius:var(--r-img);
  overflow:hidden;
  background:#EFECE6;
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}

/* ============================================================
   口碑
   ============================================================ */
.voice-rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding:4px 4px 20px;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.voice-rail::-webkit-scrollbar{display:none;}
.voice-card{
  flex:0 0 310px;
  padding:22px;
  background:var(--paper);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  scroll-snap-align:start;
  box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.voice-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}
.voice-avatar{
  width:40px;height:40px;
  flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:50%;
  background:linear-gradient(135deg,var(--ink),var(--ink-3));
  color:#fff;
  font-size:14px;
  font-weight:600;
}
.voice-name{font-size:14px;font-weight:600;}
.voice-tag{font-size:12.5px;color:var(--mist);}
.voice-score{display:flex;gap:4px;margin-bottom:10px;}
.voice-score i{
  width:6px;height:6px;
  border-radius:2px;
  background:#DEDAD3;
}
.voice-score i.on{background:var(--accent);}
.voice-text{
  font-size:14px;
  line-height:1.75;
  color:var(--mist);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============================================================
   一键进入条
   ============================================================ */
.enter-bar{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px 44px;
  background:var(--ink);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh2);
}
.enter-bar::before{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,134,60,.24) 0%,rgba(240,134,60,0) 70%);
  pointer-events:none;
}
.enter-bar-text{position:relative;z-index:2;}
.enter-bar h2{
  font-size:clamp(1.5rem,2.6vw,2rem);
  line-height:1.25;
  color:#fff;
  margin-bottom:8px;
}
.enter-bar p{
  font-size:15px;
  color:rgba(237,234,245,.7);
  max-width:620px;
}
.enter-bar .btn{position:relative;z-index:2;flex-shrink:0;}

/* ============================================================
   最新信息
   ============================================================ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--paper);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh2);
  border-color:#E2DED6;
}
.news-thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EFECE6;
}
.news-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px;
  flex:1 1 auto;
}
.tag{
  align-self:flex-start;
  padding:4px 10px;
  font-size:12px;
  line-height:1.4;
  color:var(--mist);
  background:#F0EDE7;
  border-radius:6px;
}
.news-title{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-sum{
  font-size:14px;
  line-height:1.7;
  color:var(--mist);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line-2);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-family:var(--font-num);
  font-size:13px;
  color:var(--mist);
}
.empty-state{
  grid-column:1/-1;
  padding:56px 24px;
  text-align:center;
  font-size:15px;
  color:var(--mist);
  border:1px dashed var(--line-3);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.6);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-wrap{max-width:860px;}
.faq{border-top:1px solid var(--line);}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{
  background:#FFFCF7;
  box-shadow:inset 2px 0 0 var(--accent);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 8px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;height:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{
  padding:0 8px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--mist);
}

/* ============================================================
   订阅表单
   ============================================================ */
.subscribe{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  padding:48px;
  background:var(--paper);
  border:1px solid var(--line-2);
  border-radius:var(--r-xl);
  box-shadow:var(--sh1);
}
.subscribe h2{
  font-size:clamp(1.35rem,2.2vw,1.75rem);
  line-height:1.3;
  margin-bottom:10px;
}
.subscribe p{font-size:15px;line-height:1.8;color:var(--mist);}
.cta-form{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 240px;
  min-width:0;
  height:48px;
  padding:0 16px;
  font-size:15px;
  color:var(--ink);
  background:#FBF9F6;
  border:1px solid #E2DFD8;
  border-radius:var(--r-md);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:#A9A5B5;}
.cta-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(240,134,60,.16);
}
.cta-form input.is-error{border-color:var(--err);box-shadow:0 0 0 4px rgba(214,69,69,.14);}
.form-msg{
  flex:1 1 100%;
  font-size:13px;
  line-height:1.6;
  min-height:20px;
}
.form-msg.err{color:var(--err);}
.form-msg.ok{color:var(--ok);}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  background:var(--deep);
  color:rgba(237,234,245,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:34px;height:34px;}
.footer-brand span:last-child{
  font-size:16px;
  font-weight:700;
  color:#fff;
  letter-spacing:-.01em;
}
.footer-about{
  font-size:14px;
  line-height:1.8;
  color:var(--mist);
  max-width:320px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:var(--mist);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact p{font-size:14px;line-height:1.8;color:var(--mist);}
.qr-box{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-img);
  background:rgba(255,255,255,.03);
}
.qr-code{
  width:64px;height:64px;
  flex:0 0 64px;
  border-radius:10px;
  background:#fff;
  background-image:
    repeating-linear-gradient(0deg,rgba(11,9,24,.92) 0 5px,rgba(11,9,24,0) 5px 10px),
    repeating-linear-gradient(90deg,rgba(11,9,24,.92) 0 5px,rgba(11,9,24,0) 5px 10px);
  background-blend-mode:multiply;
}
.qr-text{font-size:13px;line-height:1.6;color:var(--mist);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(237,234,245,.5);
}
.footer-bottom .sep{opacity:.4;margin:0 8px;}

/* ============================================================
   进场动效
   ============================================================ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none;}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1279px){
  .hero-card{flex:0 0 200px;}
  .voice-card{flex:0 0 288px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta-desktop{display:none;}
  .hero{padding:48px 0 80px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .hero-visual{overflow-x:auto;}
  .hero-card{flex:0 0 190px;}
  .hero-side{flex-direction:row;gap:12px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pick-list{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
  .subscribe{grid-template-columns:minmax(0,1fr);gap:28px;padding:36px;}
  .enter-bar{padding:34px 32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .site-header{padding:10px 14px 0;}
  .nav-panel{height:66px;padding:0 12px 0 16px;border-radius:16px;}
  .brand-name{font-size:15px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .hero{padding:36px 0 64px;}
  .hero-title{margin-top:18px;}
  .hero-sub{font-size:15.5px;margin-top:16px;}
  .hero-actions{margin-top:26px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-badges{margin-top:22px;gap:8px;}
  .hero-card{flex:0 0 158px;border-radius:20px;}
  .hero-card-tag{bottom:54px;font-size:11px;}
  .hero-card figcaption{font-size:12px;bottom:12px;left:12px;right:12px;}
  .hero-side{display:none;}
  .rail-card{flex:0 0 168px;}
  .rail-body h3{font-size:15px;}
  .pick-item{gap:16px;padding:18px 0;}
  .pick-num{flex:0 0 40px;font-size:30px;}
  .pick-thumb{flex:0 0 64px;width:64px;height:64px;border-radius:12px;}
  .pick-text h3{font-size:16px;}
  .voice-card{flex:0 0 262px;}
  .voice-rail .voice-card:nth-child(3),
  .voice-rail .voice-card:nth-child(4){display:none;}
  .enter-bar{flex-direction:column;align-items:flex-start;gap:24px;padding:30px 24px;border-radius:20px;}
  .enter-bar .btn{width:100%;}
  .news-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .faq-q{font-size:16px;padding:20px 6px;}
  .faq-a p{padding:0 6px 20px;}
  .subscribe{padding:26px 22px;border-radius:20px;}
  .cta-form{flex-direction:column;align-items:stretch;}
  .cta-form input{flex:1 1 auto;width:100%;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .brand-name{font-size:14px;letter-spacing:-.03em;}
  .hero-title{font-size:clamp(1.75rem,7vw,2.25rem);}
  .section-title{font-size:1.35rem;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#221C3F;
  --ink-soft:#2E2752;
  --accent:#F0863C;
  --accent-dark:#D9702A;
  --mist:#8E8AA6;
  --line:#E7E4DE;
  --line-soft:#ECE9E3;
  --sand:#F7F5F1;
  --deep:#0B0918;
  --white:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D64545;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(11,9,24,.06),0 8px 24px rgba(11,9,24,.06);
  --shadow-2:0 12px 32px rgba(11,9,24,.10);
  --shadow-3:0 24px 64px rgba(11,9,24,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-base:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Manrope","Inter",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--accent);color:var(--deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  padding:13px 26px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),filter 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--deep);box-shadow:var(--shadow-1)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--mist)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.4;pointer-events:none}
.link-more{color:var(--accent-dark);font-weight:600;font-size:15px;border-bottom:1px solid transparent;transition:border-color 220ms var(--ease),color 220ms var(--ease)}
.link-more:hover{border-bottom-color:var(--accent)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;line-height:1.4;font-weight:600;
  background:rgba(142,138,166,.14);color:var(--ink-soft);
}
.badge-accent{background:rgba(240,134,60,.16);color:var(--accent-dark)}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--mist);font-weight:500}
.chip-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:12px 0;
  transition:padding 220ms var(--ease);
}
.nav-panel{
  width:100%;max-width:var(--container);margin:0 auto;
  min-height:76px;
  display:flex;align-items:center;gap:20px;
  padding:12px 16px 12px 20px;
  background:rgba(247,245,241,.94);
  border:1px solid rgba(231,228,222,.9);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  transition:box-shadow 220ms var(--ease),background-color 220ms var(--ease),backdrop-filter 220ms var(--ease);
}
.site-header.is-scrolled .nav-panel{
  background:rgba(247,245,241,.92);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-2);
}
.nav-panel{padding-left:20px;padding-right:16px;margin-left:32px;margin-right:32px;max-width:calc(var(--container) - 0px);width:auto}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--accent);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;min-width:0}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;
  border-radius:var(--radius-sm);
  font-size:14px;font-weight:500;color:var(--ink-soft);
  border:1px solid transparent;
  transition:background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.nav-link:hover{background:var(--white);border-color:var(--line);color:var(--ink);transform:translateY(-2px)}
.nav-link.is-active{background:var(--white);border-color:var(--line);color:var(--ink);font-weight:600;box-shadow:var(--shadow-1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  background:var(--white);border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform 220ms var(--ease),opacity 220ms var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  max-width:var(--container);margin:10px 32px 0;
  padding:14px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-2);
}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:12px 14px;border-radius:var(--radius-sm);font-size:15px;color:var(--ink-soft)}
.mobile-panel a:hover{background:var(--sand);color:var(--ink)}
.mobile-panel a.is-active{background:var(--sand);color:var(--ink);font-weight:600}

/* ---------- 文章头部 ---------- */
.page-head{
  position:relative;
  margin-top:8px;
  padding:56px 0 44px;
  background:var(--deep);
  color:var(--white);
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;pointer-events:none;
}
.page-head > .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mist);margin-bottom:18px}
.crumbs a{color:var(--mist);transition:color 220ms var(--ease)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(142,138,166,.6)}
.crumbs .now{color:rgba(255,255,255,.72);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-head h1{
  font-size:clamp(2rem,5.2vw,3.75rem);
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:700;
  max-width:900px;
  margin-bottom:18px;
}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.72)}
.head-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--mist)}
.head-deco{
  position:absolute;right:-60px;top:-40px;width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(240,134,60,.35),rgba(240,134,60,0) 68%);
  pointer-events:none;
}

/* ---------- 布局 ---------- */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  padding:64px 0 96px;
  align-items:start;
}
.article-main{min-width:0}

/* ---------- 正文排版 ---------- */
.prose{max-width:760px;font-size:16px;line-height:1.9;color:#2A2540}
.prose > * + *{margin-top:1.6em}
.prose h2{
  position:relative;
  font-size:clamp(1.5rem,2.6vw,2.25rem);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  padding-left:18px;
  margin-top:2.4em;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;
  width:8px;height:1.05em;border-radius:4px;background:var(--accent);
}
.prose h3{font-size:1.25rem;line-height:1.4;font-weight:600;margin-top:2em}
.prose h4{font-size:1.0625rem;font-weight:600;margin-top:1.8em}
.prose p{color:#332E4C}
.prose a{color:var(--accent-dark);border-bottom:1px solid rgba(240,134,60,.45);transition:border-color 220ms var(--ease)}
.prose a:hover{border-bottom-color:var(--accent)}
.prose strong{font-weight:600;color:var(--ink)}
.prose ul,.prose ol{padding-left:0;color:#332E4C}
.prose ul li,.prose ol li{position:relative;padding-left:26px;margin-top:.7em}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--accent);transform:rotate(45deg);
}
.prose ol{counter-reset:prose-ol}
.prose ol li{counter-increment:prose-ol}
.prose ol li::before{
  content:counter(prose-ol);
  position:absolute;left:0;top:0;
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--accent);
  line-height:1.9;
}
.prose blockquote{
  margin-left:0;margin-right:0;
  padding:20px 24px;
  border-left:3px solid var(--accent);
  background:var(--sand);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-soft);
}
.prose img{border-radius:16px;margin:1.6em auto;box-shadow:var(--shadow-1)}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13px;color:var(--mist);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.prose th,.prose td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.prose th{background:var(--sand);font-weight:600}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose code{font-family:var(--font-num);background:rgba(142,138,166,.14);padding:2px 6px;border-radius:6px;font-size:14px}

/* ---------- 要点卡 ---------- */
.key-points{
  max-width:760px;
  margin-bottom:36px;
  padding:24px 26px;
  background:var(--white);
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
}
.key-points h2{font-size:1.0625rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.key-points h2 i{color:var(--accent)}
.key-points ul li{position:relative;padding-left:20px;font-size:15px;color:#4A4463;line-height:1.8}
.key-points ul li + li{margin-top:8px}
.key-points ul li::before{content:"";position:absolute;left:2px;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px;
  padding:64px 32px;
  border:1.5px dashed var(--line);
  border-radius:var(--radius);
  background:var(--white);
  text-align:center;
}
.empty-state i{font-size:32px;color:var(--mist);display:block;margin-bottom:14px}
.empty-state p{font-size:17px;font-weight:600;margin-bottom:8px}
.empty-state span{display:block;font-size:14px;color:var(--mist);margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.side-rail{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px}
.rail-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rail-card h3{font-size:1rem;font-weight:700;margin-bottom:12px}
.rail-card p{font-size:14px;line-height:1.8;color:var(--mist);margin-bottom:16px}
.rail-list li + li{margin-top:10px;padding-top:10px;border-top:1px solid var(--line-soft)}
.rail-list a{font-size:14px;color:#443E5E;display:flex;gap:8px;align-items:flex-start;transition:color 220ms var(--ease)}
.rail-list a:hover{color:var(--accent-dark)}
.rail-list i{color:var(--accent);font-size:12px;margin-top:5px}
.rail-dark{
  background:var(--ink);color:var(--white);border-color:transparent;
  box-shadow:var(--shadow-2);
}
.rail-dark h3{color:var(--white)}
.rail-dark p{color:rgba(255,255,255,.7)}
.rail-stars{display:flex;gap:5px;margin-bottom:12px}
.rail-stars span{width:6px;height:6px;border-radius:2px;background:var(--accent)}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 96px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;padding-top:8px;border-top:1px solid var(--line)}
.related-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.related-head p{font-size:14px;color:var(--mist);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,134,60,.4)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:rgba(34,28,63,.08)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:1.0625rem;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;line-height:1.75;color:var(--mist);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--mist);font-family:var(--font-num)}
.back-entry{display:flex;justify-content:center;margin-top:36px}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  background:var(--ink);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-3);
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;bottom:-100px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,134,60,.32),rgba(240,134,60,0) 70%);
}
.cta-inner h2{color:var(--white);font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.25;letter-spacing:-.01em;position:relative;z-index:2;max-width:620px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:14px;margin-top:10px;position:relative;z-index:2}
.cta-inner .btn{position:relative;z-index:2}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 96px}
.section-head{margin-bottom:32px;max-width:720px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
.section-head p{font-size:15px;color:var(--mist)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:background-color 220ms var(--ease),border-color 220ms var(--ease)}
.faq-item[open]{background:#FBF9F6;border-left:2px solid var(--accent);padding-left:16px}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;
  font-size:17px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);color:var(--accent-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(135deg);border-color:var(--accent)}
.faq-answer{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--mist);max-width:820px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.82);
  padding:72px 0 32px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--white);margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--accent);box-shadow:none}
.footer-about{font-size:14px;line-height:1.8;color:var(--mist);max-width:340px}
.footer-title{font-size:15px;font-weight:600;color:var(--white);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--mist);transition:color 220ms var(--ease),padding-left 220ms var(--ease)}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact p{font-size:14px;line-height:1.8;color:var(--mist);margin-top:14px}
.qr-box{display:flex;flex-direction:column;gap:10px}
.qr-code{
  width:96px;height:96px;border-radius:var(--radius-sm);
  background:
    linear-gradient(90deg,rgba(255,255,255,.14) 50%,transparent 50%) 0 0/12px 12px,
    linear-gradient(0deg,rgba(255,255,255,.14) 50%,transparent 50%) 0 0/12px 12px,
    rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.qr-text{font-size:13px;color:var(--mist);line-height:1.7;margin-top:2px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:var(--mist);
}
.footer-bottom p{line-height:1.7}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 620ms var(--ease),transform 620ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation:none!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-panel{margin-left:24px;margin-right:24px}
  .mobile-panel{margin-left:24px;margin-right:24px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta-desktop{display:none}
  .layout{grid-template-columns:minmax(0,1fr);gap:40px;padding:48px 0 72px}
  .side-rail{position:static;flex-direction:row;flex-wrap:wrap}
  .side-rail .rail-card{flex:1 1 300px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .page-head{padding:44px 0 36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .nav-panel{margin-left:20px;margin-right:20px;padding:10px 12px 10px 16px;min-height:66px;gap:12px}
  .mobile-panel{margin-left:20px;margin-right:20px}
  .brand-name{font-size:15px}
  .brand-mark{width:30px;height:30px}
  .page-head h1{font-size:clamp(1.75rem,7vw,2.4rem)}
  .prose{font-size:16px;line-height:1.85}
  .prose h2{padding-left:14px;font-size:1.375rem}
  .prose h2::before{width:6px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .cta-inner{padding:30px 24px;border-radius:20px}
  .cta-inner .btn{width:100%}
  .faq-item summary{font-size:16px}
  .related,.cta-band,.faq-section{padding-bottom:64px}
  .layout{padding:32px 0 56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .head-meta{font-size:13px}
  .key-points{padding:20px 18px}
  .rail-card{padding:18px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --indigo:#221C3F;
  --ink:#0B0918;
  --orange:#F0863C;
  --orange-soft:rgba(240,134,60,.12);
  --gray:#8E8AA6;
  --line:#E7E4DE;
  --sand:#F7F5F1;
  --white:#FFFFFF;
  --success:#2E9E6B;
  --error:#D64545;
  --r-lg:18px;
  --r-md:12px;
  --r-img:14px;
  --r-tall:24px;
  --sh1:0 1px 2px rgba(11,9,24,.06),0 8px 24px rgba(11,9,24,.06);
  --sh2:0 12px 32px rgba(11,9,24,.10);
  --sh3:0 24px 64px rgba(11,9,24,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"-apple-system","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Manrope","Inter","PingFang SC",sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:20px 0 0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:16px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
::selection{background:var(--orange);color:var(--ink);}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:104px 0;}
.section-sm{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{color:var(--gray);font-size:14px;max-width:520px;margin-top:8px;}
.text-link{color:var(--orange);font-size:14px;font-weight:600;border-bottom:1px solid transparent;transition:border-color .22s var(--ease),color .22s var(--ease);}
.text-link:hover{border-bottom-color:var(--orange);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--gray);text-transform:uppercase;font-family:var(--font-num);}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--orange);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--orange);color:var(--ink);box-shadow:var(--sh1);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--gray);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:var(--white);color:var(--indigo);box-shadow:var(--sh1);}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh2);color:var(--orange);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;font-size:12px;font-weight:600;
  background:rgba(142,138,166,.14);color:#5c5872;
}
.badge-orange{background:var(--orange-soft);color:#B25A16;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;
  border-radius:999px;background:var(--white);border:1px solid var(--line);
  font-size:13px;color:#4b4860;box-shadow:var(--sh1);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:12px;z-index:60;padding:0 20px;}
.nav-panel{
  max-width:1240px;margin:0 auto;height:76px;
  display:flex;align-items:center;gap:28px;
  padding:0 20px;border-radius:var(--r-lg);
  background:var(--white);border:1px solid var(--line);
  box-shadow:var(--sh1);
  transition:box-shadow .22s var(--ease),background .22s var(--ease),backdrop-filter .22s var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh2);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--indigo);color:var(--orange);flex:none;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-md);font-size:14px;color:#4b4860;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-link:hover{background:var(--sand);color:var(--orange);}
.nav-link.is-active{background:var(--orange-soft);color:#B25A16;font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{
  max-width:1240px;margin:10px auto 0;padding:0 12px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh2);overflow:hidden;max-height:0;opacity:0;
  transition:max-height .28s var(--ease),opacity .22s var(--ease),padding .28s var(--ease);
}
.mobile-panel.is-open{max-height:320px;opacity:1;padding:12px;}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:var(--r-md);
  font-size:15px;color:#4b4860;
}
.mobile-panel a:hover{background:var(--sand);color:var(--orange);}
.mobile-panel a.is-active{background:var(--orange-soft);color:#B25A16;font-weight:600;}

/* ============ Hero ============ */
.hero{padding:88px 0 72px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(2rem,5.2vw,3.75rem);line-height:1.1;letter-spacing:-.02em;font-weight:700;
  margin:20px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--orange);}
.hero-sub{font-size:17px;color:#4b4860;max-width:560px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 28px;}
.hero-visual{position:relative;}
.tall-frame{
  position:relative;border-radius:var(--r-tall);overflow:hidden;
  aspect-ratio:9/16;box-shadow:var(--sh3);background:var(--indigo);
  animation:breathe 6s ease-in-out infinite;
}
.tall-frame img{width:100%;height:100%;object-fit:cover;}
.tall-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:28px 28px;opacity:.45;
}
.tall-frame .veil{
  position:absolute;left:0;right:0;bottom:0;height:46%;
  background:linear-gradient(to top,rgba(11,9,24,.86),rgba(11,9,24,0));
}
.tall-frame .frame-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:var(--white);color:var(--ink);
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;
}
.tall-frame .frame-code{
  position:absolute;left:16px;top:16px;z-index:2;
  background:rgba(11,9,24,.6);color:#fff;font-size:12px;
  font-family:var(--font-num);padding:5px 10px;border-radius:8px;
}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.018)}}

/* ============ 竖屏画廊 ============ */
.gallery{padding-bottom:96px;}
.gallery-wrap{position:relative;}
.gallery-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 20px;scrollbar-width:none;-ms-overflow-style:none;
}
.gallery-track::-webkit-scrollbar{display:none;}
.tall-card{
  position:relative;flex:0 0 224px;aspect-ratio:9/16;border-radius:var(--r-tall);
  overflow:hidden;scroll-snap-align:start;background:var(--indigo);
  box-shadow:var(--sh1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tall-card img{width:100%;height:100%;object-fit:cover;}
.tall-card .veil{position:absolute;inset:auto 0 0 0;height:52%;background:linear-gradient(to top,rgba(11,9,24,.88),rgba(11,9,24,0));}
.tall-card .num{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(11,9,24,.62);color:#fff;font-size:12px;font-family:var(--font-num);
  padding:4px 9px;border-radius:7px;
}
.tall-card .cap{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff;}
.tall-card .cap strong{display:block;font-size:15px;font-weight:600;line-height:1.5;}
.tall-card .cap span{font-size:12px;color:rgba(255,255,255,.72);}
.tall-card .play{
  position:absolute;inset:0;display:grid;place-items:center;z-index:3;
  opacity:0;transition:opacity .22s var(--ease);
}
.tall-card .play span{
  width:46px;height:46px;border-radius:50%;background:rgba(240,134,60,.94);
  display:grid;place-items:center;color:var(--ink);font-size:15px;font-weight:700;
}
.tall-card:hover{transform:scale(1.03);box-shadow:var(--sh2);}
.tall-card:hover .play{opacity:1;}

/* ============ 三步说明 ============ */
.steps{background:var(--white);}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  padding:32px 28px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--sand);box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#DCD8D0;}
.step-card .no{font-family:var(--font-num);font-size:40px;font-weight:700;color:var(--gray);line-height:1;transition:color .22s var(--ease);}
.step-card:hover .no{color:var(--orange);}
.step-card h3{font-size:1.125rem;font-weight:600;margin:16px 0 10px;line-height:1.4;}
.step-card p{font-size:14px;color:var(--gray);line-height:1.8;}
.step-card ul{margin-top:14px;display:grid;gap:8px;}
.step-card li{position:relative;padding-left:16px;font-size:14px;color:#4b4860;}
.step-card li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--orange);}

/* ============ 清单 ============ */
.list-two{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.list-row{
  display:flex;align-items:center;gap:20px;padding:20px 0;
  border-bottom:1px solid var(--line);cursor:default;
}
.list-row .idx{font-family:var(--font-num);font-size:40px;font-weight:700;color:var(--gray);flex:none;width:64px;line-height:1;transition:color .22s var(--ease);}
.list-row:hover .idx{color:var(--orange);}
.list-row .txt{flex:1;min-width:0;}
.list-row .txt strong{display:block;font-size:17px;font-weight:600;line-height:1.5;}
.list-row .txt span{font-size:14px;color:var(--gray);}
.list-row .thumb{width:88px;height:88px;flex:none;border-radius:var(--r-img);overflow:hidden;background:#EDEAE4;}
.list-row .thumb img{width:100%;height:100%;object-fit:cover;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--indigo);border-radius:var(--r-tall);padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh3);
}
.cta-band h2{color:#fff;font-size:clamp(1.35rem,2.4vw,2rem);line-height:1.3;font-weight:700;}
.cta-band p{color:rgba(255,255,255,.66);font-size:14px;margin-top:10px;max-width:520px;}
.cta-band .cta-side{display:flex;flex-direction:column;align-items:flex-end;gap:12px;flex:none;}
.cta-band .cta-side small{color:rgba(255,255,255,.52);font-size:12px;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:background .22s var(--ease),box-shadow .22s var(--ease);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 16px;font-size:16.5px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  position:relative;width:22px;height:22px;flex:none;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item summary .sign::before,.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--gray);border-radius:2px;transition:background .22s var(--ease);
}
.faq-item summary .sign::before{width:10px;height:1.6px;}
.faq-item summary .sign::after{width:1.6px;height:10px;}
.faq-item[open] summary .sign{transform:rotate(180deg);border-color:var(--orange);background:var(--orange-soft);}
.faq-item[open] summary .sign::before,.faq-item[open] summary .sign::after{background:var(--orange);}
.faq-item[open] summary .sign::after{opacity:0;}
.faq-item[open]{background:#FFFDFA;box-shadow:inset 2px 0 0 var(--orange);}
.faq-answer{padding:0 16px 24px 16px;font-size:15px;color:var(--gray);line-height:1.85;max-width:860px;}
.faq-item summary:hover{color:var(--orange);}

/* ============ 相关分类互链 ============ */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:block;border-radius:var(--r-lg);overflow:hidden;background:var(--white);
  border:1px solid var(--line);box-shadow:var(--sh1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.rel-card .cover{aspect-ratio:16/9;overflow:hidden;background:#EDEAE4;}
.rel-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rel-card:hover .cover img{transform:scale(1.04);}
.rel-card .body{padding:22px 22px 26px;}
.rel-card h3{font-size:1.125rem;font-weight:600;line-height:1.4;margin-bottom:10px;}
.rel-card p{font-size:14px;color:var(--gray);line-height:1.8;}
.rel-card .arrow{display:inline-block;margin-top:16px;font-size:14px;font-weight:600;color:var(--orange);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;padding:80px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;border-top:1px solid rgba(255,255,255,.08);padding-top:56px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);}
.footer-about{font-size:14px;color:var(--gray);line-height:1.85;max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:var(--gray);transition:color .22s var(--ease);}
.footer-links a:hover{color:var(--orange);}
.footer-contact p{font-size:14px;color:var(--gray);line-height:1.8;}
.qr-box{display:flex;gap:14px;align-items:flex-start;margin-bottom:14px;}
.qr-code{
  width:84px;height:84px;flex:none;border-radius:var(--r-md);background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,255,255,.24);
}
.qr-text{font-size:13px;color:var(--gray);line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 32px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.44);}

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

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta-desktop{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding:56px 0 48px;}
  .section{padding:80px 0;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .related{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .cta-side{align-items:flex-start;}
  .list-two{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{padding-top:12px;}
  .container{padding:0 20px;}
  .site-header{padding:0 12px;top:8px;}
  .nav-panel{height:68px;padding:0 16px;gap:12px;}
  .brand-name{font-size:15px;}
  .tall-card{flex:0 0 168px;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .step-grid{grid-template-columns:1fr;}
  .related{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-top:40px;}
  .cta-band{padding:28px 24px;border-radius:var(--r-lg);}
  .hero h1{font-size:clamp(1.85rem,7.6vw,2.6rem);}
  .hero-actions .btn{width:100%;}
  .list-row .thumb{width:64px;height:64px;}
  .list-row .idx{font-size:30px;width:44px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .chip{font-size:12px;padding:0 12px;height:32px;}
  .tall-card{flex:0 0 152px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#221C3F;
  --ink-soft:#4A4560;
  --orange:#F0863C;
  --orange-deep:#E2762C;
  --mist:#8E8AA6;
  --line:#E7E4DE;
  --line-soft:#ECE9E3;
  --sand:#F7F5F1;
  --deep:#0B0918;
  --white:#FFFFFF;
  --ok:#2E9E6B;
  --err:#D64545;
  --r-xl:24px;
  --r-lg:18px;
  --r-md:12px;
  --r-img:14px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(11,9,24,.06),0 8px 24px rgba(11,9,24,.06);
  --sh-2:0 12px 32px rgba(11,9,24,.10);
  --sh-3:0 24px 64px rgba(11,9,24,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms;
  --container:1240px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Manrope","Inter",-apple-system,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
::selection{background:rgba(240,134,60,.28)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ 头部导航（卡片化面板） ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px 32px 0;
}
.nav-panel{
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:72px;
  padding:10px 14px 10px 18px;
  background:rgba(247,245,241,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.site-header.is-scrolled .nav-panel{
  box-shadow:var(--sh-2);
  background:rgba(247,245,241,.96);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  letter-spacing:-.01em;
  white-space:nowrap;
  transition:opacity var(--t) var(--ease);
}
.brand:hover{opacity:.82}
.brand-mark{
  width:36px;height:36px;
  flex:0 0 36px;
  border-radius:11px;
  display:grid;place-items:center;
  background:var(--ink);
  color:var(--orange);
  box-shadow:inset 0 0 0 1px rgba(240,134,60,.34);
}
.brand-name{line-height:1.2}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-md);
  font-size:14px;
  color:var(--ink-soft);
  border:1px solid transparent;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.nav-link:hover{background:rgba(34,28,63,.06);color:var(--ink);border-color:var(--line)}
.nav-link:active{background:rgba(34,28,63,.11)}
.nav-link.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--white);
  cursor:pointer;
  padding:0;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-toggle:hover{border-color:var(--orange)}
.nav-toggle:active{background:var(--sand)}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  margin:4px auto;
  background:var(--ink);
  border-radius:2px;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  max-width:var(--container);
  margin:10px auto 0;
  padding:10px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  gap:6px;
}
.mobile-panel.is-open{display:grid}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:var(--r-md);
  font-size:15px;
  color:var(--ink-soft);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.mobile-panel a:hover{background:var(--sand);color:var(--ink)}
.mobile-panel a.is-active{background:var(--ink);color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease),filter var(--t) var(--ease);
}
.btn-primary{
  background:var(--orange);
  color:var(--deep);
  box-shadow:var(--sh-1);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;filter:none}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--mist);
}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:rgba(240,134,60,.08)}
.btn-ghost:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.on-dark.btn-ghost{color:rgba(255,255,255,.9);border-color:rgba(255,255,255,.34)}
.on-dark.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--orange-deep);
  border-bottom:1px solid transparent;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.link-more:hover{border-bottom-color:var(--orange)}

/* ============ Hero ============ */
.page-top{padding:24px 32px 0}
.hero-card{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  border-radius:28px;
  padding:64px 48px 72px;
  overflow:hidden;
  color:#fff;
  background:
    radial-gradient(120% 120% at 88% 6%,rgba(240,134,60,.20),transparent 52%),
    linear-gradient(160deg,#2A2350 0%,#1B1633 46%,var(--deep) 100%);
  box-shadow:0 24px 64px rgba(11,9,24,.28);
}
.hero-card::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
    radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:96px 96px,140px 140px;
  background-position:0 0,42px 58px;
  opacity:.22;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--orange);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
.hero-card h1{
  font-size:clamp(2rem,5.2vw,3.4rem);
  line-height:1.1;
  letter-spacing:-.02em;
  font-weight:700;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:54ch;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.badges{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:var(--pill);
  font-size:13px;
  color:rgba(255,255,255,.84);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
}
.badge-dot{width:6px;height:6px;border-radius:2px;background:var(--orange)}
.hero-visual{display:flex;justify-content:center}
.poster{
  position:relative;
  width:100%;
  max-width:330px;
  aspect-ratio:9/16;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:rgba(255,255,255,.06);
  box-shadow:0 24px 64px rgba(0,0,0,.5);
  animation:breathe 6s ease-in-out infinite;
}
.poster img{width:100%;height:100%;object-fit:cover}
.poster::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:48%;
  background:linear-gradient(180deg,transparent,rgba(11,9,24,.88));
}
.poster-label{
  position:absolute;
  left:14px;bottom:14px;
  z-index:2;
  padding:6px 12px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.94);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
}
@keyframes breathe{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}

/* ============ 锚点导航卡 ============ */
.anchor-wrap{padding:0 32px}
.anchor-nav{
  position:relative;
  z-index:3;
  max-width:var(--container);
  margin:-34px auto 0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  padding:14px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.anchor-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:var(--sand);
  border:1px solid transparent;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.anchor-item:hover{
  background:var(--white);
  border-color:var(--orange);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.anchor-num{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  color:var(--orange);
}
.anchor-text{font-size:14px;font-weight:600;line-height:1.4}

/* ============ 板块通用 ============ */
.section{padding:96px 0 0}
.section:last-of-type{padding-bottom:96px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:34px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.25rem);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.015em;
  max-width:22ch;
}
.section-head p{
  font-size:15px;
  color:var(--mist);
  max-width:46ch;
  margin-top:12px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orange);
  margin-bottom:12px;
}
.section-kicker::before{content:"";width:18px;height:2px;background:var(--orange);border-radius:2px}

/* ============ 编号清单 ============ */
.group{margin-bottom:56px;scroll-margin-top:112px}
.group:last-child{margin-bottom:0}
.group-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding-bottom:14px;
  margin-bottom:8px;
  border-bottom:1px solid var(--line);
}
.group-index{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mist);
}
.group-title{font-size:20px;font-weight:700;letter-spacing:-.01em}
.steps{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 40px;
}
.step{
  display:grid;
  grid-template-columns:58px minmax(0,1fr);
  gap:16px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.step-num{
  font-family:var(--font-num);
  font-size:24px;
  font-weight:700;
  line-height:1.15;
  color:var(--mist);
  transition:color var(--t) var(--ease);
}
.step:hover .step-num{color:var(--orange)}
.step h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px}
.step p{font-size:14px;line-height:1.8;color:var(--mist)}
.step-tag{
  display:inline-block;
  margin-top:10px;
  padding:3px 8px;
  border-radius:6px;
  font-size:12px;
  color:var(--ink-soft);
  background:rgba(34,28,63,.06);
}

/* ============ 卡片网格 ============ */
.cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DEDAD2}
.card-media{
  aspect-ratio:16/9;
  background:rgba(34,28,63,.06);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:12px 0 8px}
.card-body p{font-size:14px;line-height:1.8;color:var(--mist);margin-bottom:16px}
.card-foot{margin-top:auto;font-size:14px;font-weight:600;color:var(--orange-deep)}
.tag{
  display:inline-block;
  padding:3px 8px;
  border-radius:6px;
  font-size:12px;
  color:var(--ink-soft);
  background:var(--sand);
  border:1px solid var(--line);
}
.tag-strong{background:rgba(240,134,60,.14);border-color:rgba(240,134,60,.3);color:var(--orange-deep)}

/* ============ CTA 条 ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px 44px;
  border-radius:var(--r-xl);
  background:
    radial-gradient(90% 140% at 92% 12%,rgba(240,134,60,.24),transparent 60%),
    var(--ink);
  color:#fff;
  box-shadow:var(--sh-2);
}
.cta-band h2{
  font-size:clamp(1.4rem,2.4vw,2rem);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.015em;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  color:rgba(255,255,255,.72);
  max-width:52ch;
}
.cta-band .btn{flex:0 0 auto}

/* ============ FAQ ============ */
.faq{max-width:900px}
.faq-item{
  border-bottom:1px solid var(--line);
  border-left:2px solid transparent;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq-item:hover{background:rgba(255,255,255,.6)}
.faq-item[open]{
  background:var(--white);
  border-left-color:var(--orange);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 18px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;height:16px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--orange);
  border-radius:2px;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.faq-icon::before{left:0;right:0;top:7px;height:2px}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-answer{
  padding:0 18px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--mist);
}
.faq-answer strong{color:var(--ink);font-weight:600}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  padding:72px 0 32px;
  background:var(--deep);
  color:#fff;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-about{
  font-size:14px;
  line-height:1.85;
  color:var(--mist);
  max-width:38ch;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:16px;
  color:#fff;
}
.footer-links{display:grid;gap:10px}
.footer-links a{
  font-size:14px;
  color:var(--mist);
  width:fit-content;
  border-bottom:1px solid transparent;
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.footer-links a:hover{color:var(--orange);border-bottom-color:var(--orange)}
.qr-box{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.qr-code{
  flex:0 0 72px;
  width:72px;height:72px;
  border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.16);
  background-color:rgba(255,255,255,.06);
  background-image:radial-gradient(rgba(255,255,255,.45) 1px,transparent 1px);
  background-size:6px 6px;
}
.qr-text{font-size:13px;line-height:1.7;color:var(--mist);margin:0}
.footer-contact p{font-size:13px;line-height:1.8;color:var(--mist)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:var(--mist);
}

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

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-card{padding:56px 40px 64px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-cta-desktop{display:none}
  .nav-panel{justify-content:space-between}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-card{padding:48px 32px 56px}
  .hero-visual{justify-content:flex-start}
  .poster{max-width:280px}
  .anchor-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 32px}
  .cta-band .btn{width:100%}
}
@media (max-width:767px){
  .site-header{padding:10px 20px 0}
  .container{padding:0 20px}
  .page-top{padding:16px 20px 0}
  .anchor-wrap{padding:0 20px}
  .hero-card{border-radius:22px;padding:36px 22px 44px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .poster{max-width:240px}
  .section{padding:64px 0 0}
  .section:last-of-type{padding-bottom:64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .cards{grid-template-columns:1fr}
  .step{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:18px 0}
  .step-num{font-size:20px}
  .cta-band{padding:26px 22px;border-radius:18px}
  .site-footer{margin-top:64px;padding:56px 0 28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:40px}
}
@media (max-width:520px){
  .anchor-nav{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:18px 14px}
  .faq-answer{padding:0 14px 18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .poster{animation:none}
  .card:hover .card-media img{transform:none}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink:#221C3F;
  --deep:#0B0918;
  --orange:#F0863C;
  --orange-strong:#D9722B;
  --mist:#8E8AA6;
  --line:#E7E4DE;
  --sand:#F7F5F1;
  --paper:#FFFFFF;
  --text:#1B1830;
  --text-soft:#4A4460;
  --ok:#2E9E6B;
  --err:#D64545;

  --r-xl:24px;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;

  --sh1:0 1px 2px rgba(11,9,24,.06),0 8px 24px rgba(11,9,24,.06);
  --sh2:0 12px 32px rgba(11,9,24,.10);
  --sh3:0 24px 64px rgba(11,9,24,.16);

  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Manrope","Inter","Helvetica Neue",Arial,sans-serif;

  --maxw:1240px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}
::selection{background:rgba(240,134,60,.28)}

h1{
  font-size:clamp(2rem,5.2vw,3.75rem);
  line-height:1.1;
  letter-spacing:-0.02em;
  font-weight:700;
}
h2{
  font-size:clamp(1.5rem,2.6vw,2.25rem);
  line-height:1.25;
  letter-spacing:-0.01em;
  font-weight:700;
}
h3{font-size:1.25rem;line-height:1.4;font-weight:600}
p{color:var(--text-soft)}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:104px 0}
.section-sm{padding:72px 0}
.section-dark{background:var(--deep);color:#fff}
.section-dark p{color:#B9B5C9}
.section-ink{background:var(--ink);color:#fff}
.section-ink p{color:#B9B5C9}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--orange-strong);
  font-weight:600;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:8px;height:8px;border-radius:2px;
  background:var(--orange);
  display:inline-block;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
}
.section-head p{max-width:620px;font-size:15px;margin-top:12px}
.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.text-link:hover{color:var(--orange-strong);border-bottom-color:var(--orange)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),opacity .22s var(--ease);
  will-change:transform;
}
.btn-primary{
  background:var(--orange);
  color:#15122A;
  box-shadow:var(--sh1);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:var(--sh2);
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--mist);
}
.btn-ghost:hover{
  border-color:var(--orange);
  color:var(--orange-strong);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.38);
}
.btn-ghost-light:hover{
  border-color:var(--orange);
  color:var(--orange);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:12px;
  z-index:80;
  padding:12px 0 0;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
  padding:12px 16px 12px 18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled .nav-panel{
  box-shadow:var(--sh2);
  background:rgba(247,245,241,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--ink);
  color:var(--orange);
  display:grid;place-items:center;
  flex-shrink:0;
}
.brand-name{font-size:16px}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
  flex-wrap:nowrap;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-md);
  font-size:14px;
  font-weight:500;
  color:var(--text-soft);
  transition:background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:rgba(240,134,60,.12);color:var(--orange-strong)}
.nav-link.is-active{background:var(--ink);color:#fff}
.nav-link.is-active:hover{background:var(--ink);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  overflow:hidden;
  max-height:0;
  margin-top:10px;
  background:rgba(255,255,255,.98);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  transition:max-height .3s var(--ease),padding .3s var(--ease);
}
.mobile-panel a{
  display:block;
  padding:14px 20px;
  font-size:15px;
  font-weight:500;
  color:var(--text-soft);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.is-active{color:var(--orange-strong);background:rgba(240,134,60,.08)}
.mobile-panel.is-open{max-height:340px;padding:6px 0}

/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:-88px;
  padding:180px 0 104px;
  background:var(--deep);
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute inset:0;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(1200px 520px at 78% 12%,rgba(240,134,60,.22),transparent 62%),
    linear-gradient(180deg,rgba(11,9,24,.62) 0%,rgba(11,9,24,.92) 72%,var(--deep) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
}
.hero h1{color:#fff}
.hero-sub{
  margin-top:22px;
  font-size:17px;
  line-height:1.85;
  color:#C6C2D6;
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  font-size:13px;
  color:#DAD6E6;
}
.badge-solid{
  background:rgba(240,134,60,.16);
  border-color:rgba(240,134,60,.42);
  color:#F5B98A;
}
.hero-note{
  margin-top:26px;
  font-size:14px;
  color:#8E8AA6;
}

/* 竖屏卡 */
.stage-strip{display:flex;gap:20px;justify-content:flex-end}
.stage-card{
  position:relative;
  width:100%;
  max-width:340px;
  aspect-ratio:9/16;
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:0 24px 64px rgba(0,0,0,.45);
  border:1px solid rgba(255,255,255,.10);
  animation:breathe 6s var(--ease) infinite;
}
.stage-card:nth-child(2){display:none}
@keyframes breathe{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
.stage-card img{width:100%;height:100%;object-fit:cover}
.stage-card .stars{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.55) .9px,transparent 1.1px);
  background-size:26px 26px;
  opacity:.28;
  pointer-events:none;
}
.stage-card .veil{
  position:absolute;inset:auto 0 0 0;
  height:52%;
  background:linear-gradient(180deg,rgba(11,9,24,0) 0%,rgba(11,9,24,.86) 78%);
}
.stage-tag{
  position:absolute;
  left:16px;bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
}
.stage-num{
  position:absolute;
  top:16px;left:16px;
  font-family:var(--font-num);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:#fff;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:rgba(11,9,24,.6);
  border:1px solid rgba(255,255,255,.16);
}

/* ============ 卡片与面板块 ============ */
.panel{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
}
.panel-pad{padding:36px}
.lift{transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.lift:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(240,134,60,.35)}

.duo-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.info-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.info-card figure{
  margin:0;
  aspect-ratio:16/9;
  overflow:hidden;
  background:rgba(34,28,63,.08);
}
.info-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.info-card:hover figure img{transform:scale(1.04)}
.info-body{padding:30px 32px 34px}
.info-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.info-icon{
  width:38px;height:38px;
  border-radius:12px;
  background:rgba(240,134,60,.14);
  color:var(--orange-strong);
  display:grid;place-items:center;
  font-family:var(--font-num);
  font-weight:700;
  font-size:14px;
  flex-shrink:0;
}
.info-card p{font-size:15px}
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:14.5px;
  color:var(--text-soft);
  line-height:1.75;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:12px;height:12px;
  border-radius:4px;
  border:2px solid var(--orange);
}

/* ============ 对照区 ============ */
.compare-wrap{margin-top:8px}
.compare-head{
  display:grid;
  grid-template-columns:1.05fr 1fr 1.25fr;
  gap:20px;
  padding:0 22px 14px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--mist);
  font-weight:600;
}
.compare-row{
  display:grid;
  grid-template-columns:1.05fr 1fr 1.25fr;
  gap:20px;
  align-items:start;
  padding:24px 22px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh1);
  margin-bottom:14px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.compare-row:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh2);
  border-color:rgba(240,134,60,.4);
}
.compare-row .cell{font-size:15px;color:var(--text-soft);line-height:1.78}
.compare-row .cell strong{
  display:block;
  color:var(--ink);
  font-size:16.5px;
  font-weight:600;
  margin-bottom:2px;
}
.cell-label{display:none;font-size:12px;color:var(--mist);letter-spacing:.08em;margin-bottom:6px}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:6px;
  background:rgba(34,28,63,.06);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  margin-bottom:10px;
}
.tag-warn{background:rgba(214,69,69,.10);color:#A93434}
.tag-ok{background:rgba(46,158,107,.12);color:#1F7A50}

/* ============ 表单 ============ */
.ask-wrap{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:48px;
  align-items:start;
}
.ask-points{margin-top:26px;display:grid;gap:18px}
.ask-points li{
  display:flex;
  gap:14px;
  font-size:15px;
  color:var(--text-soft);
}
.ask-points b{
  font-family:var(--font-num);
  color:var(--orange-strong);
  font-size:14px;
  letter-spacing:.06em;
  padding-top:2px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field label .req{color:var(--err);margin-left:4px}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid #E2DFD8;
  border-radius:var(--r-md);
  background:#FDFCFA;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:132px;resize:vertical;line-height:1.75}
.field input:hover,
.field select:hover,
.field textarea:hover{border-color:#CFCABF}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--orange);
  box-shadow:0 0 0 4px rgba(240,134,60,.18);
  background:#fff;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{border-color:var(--err);background:rgba(214,69,69,.04)}
.field .hint{font-size:12.5px;color:var(--mist)}
.field .error-text{font-size:13px;color:var(--err);display:none}
.field.has-error .error-text{display:block}
.form-foot{
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:22px;
  flex-wrap:wrap;
}
.form-note{font-size:13px;color:var(--mist);flex:1;min-width:220px}
.form-msg{
  margin-top:16px;
  font-size:14px;
  display:none;
  padding:12px 16px;
  border-radius:var(--r-md);
}
.form-msg.is-ok{display:block;background:rgba(46,158,107,.10);color:#1F7A50}
.form-msg.is-err{display:block;background:rgba(214,69,69,.08);color:#A93434}

/* ============ FAQ ============ */
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
  border-left:2px solid transparent;
}
.faq-item.is-open{
  background:#FFFDFA;
  border-left-color:var(--orange);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 20px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--orange-strong)}
.faq-q .icon{
  position:relative;
  width:20px;height:20px;
  flex-shrink:0;
}
.faq-q .icon::before,
.faq-q .icon::after{
  content:"";
  position:absolute;
  background:var(--mist);
  border-radius:2px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-q .icon::before{left:0;top:9px;width:20px;height:2px}
.faq-q .icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-q .icon::before{background:var(--orange)}
.faq-item.is-open .faq-q .icon::after{transform:rotate(90deg);background:var(--orange)}
.faq-a{
  overflow:hidden;
  max-height:0;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 20px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--mist);
  max-width:860px;
}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px 48px;
  border-radius:var(--r-xl);
  background:var(--ink);
  color:#fff;
  box-shadow:var(--sh3);
  position:relative;
  overflow:hidden;
}
.cta-bar::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.4) .9px,transparent 1.1px);
  background-size:28px 28px;
  opacity:.16;
  pointer-events:none;
}
.cta-bar > *{position:relative;z-index:2}
.cta-bar h2{color:#fff;max-width:620px}
.cta-bar p{margin-top:10px;font-size:15px;color:#B9B5C9;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);
  color:#fff;
  padding:80px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--orange)}
.footer-about{font-size:14px;line-height:1.8;color:var(--mist);max-width:360px}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-links{display:grid;gap:12px}
.footer-links a{
  font-size:14px;
  color:var(--mist);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--orange);transform:translateX(3px)}
.footer-contact p{font-size:14px;color:var(--mist);line-height:1.8}
.qr-box{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.qr-code{
  width:76px;height:76px;
  border-radius:var(--r-md);
  background:
    linear-gradient(90deg,rgba(255,255,255,.9) 50%,transparent 50%) 0 0/12px 12px,
    linear-gradient(0deg,rgba(255,255,255,.9) 50%,transparent 50%) 0 0/12px 12px,
    rgba(255,255,255,.10);
  flex-shrink:0;
}
.qr-text{font-size:13px;color:var(--mist);line-height:1.7;max-width:180px}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:26px;
}
.footer-bottom p{font-size:13px;color:#6F6B84}

/* ============ 动效与状态 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:translateY(0)}
.skeleton{
  background:linear-gradient(90deg,#EFEDE8 25%,#F7F5F1 37%,#EFEDE8 63%);
  background-size:400% 100%;
  animation:sk 1.4s ease infinite;
  border-radius:var(--r-md);
}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.empty-state{
  border:1px dashed #D6D2C9;
  border-radius:var(--r-lg);
  padding:44px 24px;
  text-align:center;
  color:var(--mist);
  font-size:14px;
  background:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero{padding:172px 0 96px}
}
@media (max-width:1023px){
  .section{padding:80px 0}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero{padding:160px 0 84px}
  .stage-strip{justify-content:flex-start;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
  .stage-card{max-width:260px;flex:0 0 260px;scroll-snap-align:start}
  .stage-card:nth-child(2){display:block}
  .duo-grid{grid-template-columns:1fr}
  .ask-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .compare-head{display:none}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-cta-desktop{display:none}
  .nav-toggle{display:flex}
  .nav-panel{justify-content:space-between}
  .mobile-panel{display:block}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-sm{padding:56px 0}
  .hero{padding:140px 0 72px;margin-top:-80px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .compare-row{grid-template-columns:1fr;gap:14px;padding:20px}
  .cell-label{display:block}
  .form-grid{grid-template-columns:1fr}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .panel-pad{padding:26px 22px}
  .info-body{padding:24px 22px 28px}
  .stage-card{max-width:220px;flex:0 0 220px}
}
@media (max-width:520px){
  .brand-name{font-size:14.5px}
  .hero-sub{font-size:16px}
  .hero-badges{gap:8px}
  .badge{height:28px;padding:0 11px;font-size:12px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .faq-q{font-size:15.5px;padding:18px 16px}
  .faq-a p{padding:0 16px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}