/* roulang page: index */
:root{
  --brand-1:#FF5A1F;
  --brand-1d:#E04A12;
  --brand-2:#FFB020;
  --accent:#0FA97B;
  --danger:#E5484D;
  --ink-900:#14161C;
  --ink-700:#3A3F4B;
  --ink-500:#6B7280;
  --line:#F0E6DC;
  --card:#FFFFFF;
  --bg:#FFF8F2;
  --bg-soft:#FFF1E6;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FFB020 100%);
  --grad-r:linear-gradient(135deg,#FFB020 0%,#FF5A1F 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(20,22,28,.06);
  --sh-2:0 12px 28px rgba(255,90,31,.16);
  --ease:cubic-bezier(.2,.8,.2,1);
  --ff:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid rgba(255,90,31,.55);outline-offset:2px;border-radius:6px}

.wrap{max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;width:100%}
@media (min-width:768px){.wrap{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.wrap{padding-left:32px;padding-right:32px}}

.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-head{
  position:sticky;top:0;z-index:60;
  padding:10px 0;
  background:rgba(255,248,242,.86);
  backdrop-filter:blur(12px);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-head.is-scrolled{box-shadow:0 8px 24px rgba(20,22,28,.08)}

.navcard{
  display:flex;align-items:center;gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 12px;
  box-shadow:var(--sh-1);
  transition:box-shadow .3s var(--ease);
}
.site-head.is-scrolled .navcard{box-shadow:0 10px 26px rgba(20,22,28,.10)}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:2px 4px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  position:relative;flex:0 0 auto;
  box-shadow:0 4px 12px rgba(255,90,31,.30);
}
.brand-mark::before{
  content:"";position:absolute;left:9px;right:9px;top:13px;height:3px;
  background:#fff;border-radius:2px;transform:skewX(-18deg);
}
.brand-mark::after{
  content:"";position:absolute;left:9px;right:9px;top:21px;height:3px;
  background:rgba(255,255,255,.72);border-radius:2px;transform:skewX(-18deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.2px;white-space:nowrap}
.brand-tag{font-size:11px;color:var(--ink-500);letter-spacing:.4px}

.nav-links{display:none;align-items:center;gap:6px;margin-left:auto}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:14px;
  font-size:14px;font-weight:500;color:var(--ink-700);
  border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
  white-space:nowrap;
}
.nav-item svg{width:16px;height:16px;flex:0 0 auto}
.nav-item:hover{background:var(--bg-soft);border-color:var(--line);color:var(--brand-1d);transform:translateY(-1px)}
.nav-item.is-active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,90,31,.28)}
.nav-item.is-active:hover{color:#fff;border-color:transparent}

.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}

.burger{
  margin-left:auto;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;
  transition:background .24s var(--ease);
}
@media (min-width:1024px){.burger{display:none}}
.burger:hover{background:#fff}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .28s var(--ease),opacity .28s var(--ease)}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0;z-index:70;
  background:rgba(20,22,28,.42);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(340px,88vw);
  background:#fff;padding:20px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);
  transition:transform .34s var(--ease);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--ink-500);padding:8px 4px 4px}
.drawer-link{
  display:flex;align-items:center;gap:10px;
  padding:14px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  font-size:15px;font-weight:600;color:var(--ink-900);
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.drawer-link svg{width:18px;height:18px;color:var(--brand-1)}
.drawer-link:hover{background:var(--bg-soft)}
.drawer-link.is-active{background:var(--grad);color:#fff;border-color:transparent}
.drawer-link.is-active svg{color:#fff}
.drawer-foot{margin-top:auto;padding-top:18px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),filter .24s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:var(--grad-r)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:#fff;color:var(--brand-1d);border-color:rgba(255,90,31,.42)}
.btn-ghost:hover{background:rgba(255,90,31,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.97)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-1d);
  transition:gap .24s var(--ease),color .24s var(--ease);
}
.link-more svg{width:15px;height:15px;transition:transform .24s var(--ease)}
.link-more:hover{gap:10px;color:var(--brand-1)}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.sec-title{
  position:relative;padding-left:16px;
  font-size:24px;line-height:1.32;font-weight:700;color:var(--ink-900);letter-spacing:-.3px;
}
@media (min-width:1024px){.sec-title{font-size:32px}}
.sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:22px;border-radius:3px;background:var(--grad);
}
.sec-desc{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:640px;padding-left:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,90,31,.10);color:var(--brand-1d);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-1);}

/* ============ Hero ============ */
.hero{position:relative;padding:40px 0 48px;overflow:hidden}
@media (min-width:1024px){.hero{padding:56px 0 76px}}
.hero::before{
  content:"";position:absolute;right:-12%;top:-38%;width:68%;height:150%;
  background:radial-gradient(circle at 68% 34%,rgba(255,90,31,.22),rgba(255,176,32,.10) 46%,rgba(255,248,242,0) 72%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:52px}}

.hero-title{
  margin-top:18px;
  font-size:29px;line-height:1.28;font-weight:800;letter-spacing:-.5px;color:var(--ink-900);
}
@media (min-width:768px){.hero-title{font-size:38px}}
@media (min-width:1024px){.hero-title{font-size:48px;line-height:1.22}}
.hero-title em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:16px;color:var(--ink-700);max-width:560px}
@media (min-width:768px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{
  display:flex;gap:10px;margin-top:28px;
  overflow-x:auto;padding-bottom:4px;
  scrollbar-width:none;
}
.hero-stats::-webkit-scrollbar{display:none}
.stat{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;
  padding:10px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.stat-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.stat-num{font-size:18px;font-weight:800;color:var(--ink-900)}
.stat-label{font-size:13px;color:var(--ink-500)}

.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:0 20px 44px rgba(20,22,28,.14);
  background:linear-gradient(100deg,#F3ECE5 0%,#E7DCD2 50%,#F3ECE5 100%);
  background-size:200% 100%;
  animation:shimmer 1.6s linear infinite;
}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.hero-float{
  position:absolute;left:-6px;bottom:-18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:14px 18px;
  box-shadow:0 14px 32px rgba(20,22,28,.14);
  min-width:172px;
}
@media (min-width:768px){.hero-float{left:-26px;bottom:-24px}}
.hero-float .hf-num{font-size:24px;font-weight:800;color:var(--ink-900);display:block;line-height:1.2}
.hero-float .hf-txt{font-size:13px;color:var(--ink-500)}
.hero-glow{
  position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.42),rgba(255,176,32,0) 70%);
  pointer-events:none;
}

/* ============ 卖点三连 ============ */
.feature-grid{display:grid;gap:20px}
@media (min-width:1024px){.feature-grid{grid-template-columns:1.4fr .8fr .8fr}}

.feature-lead,.feature-narrow{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.feature-lead:hover,.feature-narrow:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-lead{overflow:hidden}
.feature-lead img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);
  margin-bottom:20px;background:#F3ECE5;
}
@media (min-width:1024px){
  .feature-lead{flex-direction:row;align-items:stretch;gap:24px;padding:24px}
  .feature-lead img{width:48%;margin-bottom:0;aspect-ratio:auto;height:100%;min-height:230px}
  .feature-lead-body{flex:1;display:flex;flex-direction:column;justify-content:center}
}
.feature-ico{
  width:44px;height:44px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,31,.10);color:var(--brand-1);
  margin-bottom:16px;flex:0 0 auto;
}
.feature-ico svg{width:22px;height:22px}
.feature-ico.accent{background:rgba(15,169,123,.12);color:var(--accent)}
.feature-title{font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:-.2px}
.feature-text{margin-top:10px;font-size:14.5px;color:var(--ink-700);line-height:1.8}
.feature-link{margin-top:auto;padding-top:18px}

/* ============ 场景三步 ============ */
.steps{display:grid;gap:20px;position:relative}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:18px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-img{position:relative;border-radius:var(--r-md);overflow:hidden;margin-bottom:18px}
.step-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease);background:#F3ECE5}
.step:hover .step-img img{transform:scale(1.04)}
.step-no{
  position:absolute;left:12px;top:12px;
  width:34px;height:34px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
  box-shadow:0 6px 14px rgba(15,169,123,.32);
}
.step-title{font-size:17px;font-weight:700;color:var(--ink-900)}
.step-text{margin-top:8px;font-size:14px;color:var(--ink-700);line-height:1.8}
.steps-cta{margin-top:32px;text-align:center}

/* ============ 最新信息 ============ */
.post-grid{display:grid;gap:20px}
@media (min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr)}}

.post-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:16px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-card::after{
  content:"";position:absolute;right:0;top:0;width:44px;height:4px;border-radius:0 0 0 6px;
  background:var(--grad);opacity:0;transition:opacity .3s var(--ease);
}
.post-card:hover::after{opacity:1}
.post-link{position:absolute;inset:0;z-index:2;border-radius:var(--r-xl)}
.post-cover{border-radius:var(--r-md);overflow:hidden;margin-bottom:14px}
.post-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease);background:#F3ECE5}
.post-card:hover .post-cover img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.3px;
  background:rgba(255,90,31,.10);color:var(--brand-1d);
  align-self:flex-start;
}
.badge-accent{background:rgba(15,169,123,.12);color:#0B7D5B}
.post-title{
  margin-top:12px;font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s var(--ease);
}
.post-card:hover .post-title{color:var(--brand-1d)}
.post-sum{
  margin-top:8px;font-size:14px;color:var(--ink-500);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:16px;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.post-time{font-size:13px;color:var(--ink-500)}
.post-more{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--brand-1d)}
.post-more svg{width:14px;height:14px}

.empty-state{
  text-align:center;padding:48px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-xl);
}
.empty-ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:var(--r-md);
  background:var(--bg-soft);display:flex;align-items:center;justify-content:center;color:var(--brand-1);
}
.empty-ico svg{width:24px;height:24px}
.empty-state p{font-size:15px;color:var(--ink-500);margin-bottom:18px}

/* ============ 社会认同 ============ */
.quote-grid{display:grid;gap:20px}
@media (min-width:768px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.quote-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:46px;height:46px;border-radius:50%;flex:0 0 auto;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;
}
.stars{display:flex;gap:3px;color:var(--brand-2)}
.stars svg{width:14px;height:14px}
.quote-name{font-size:15px;font-weight:700;color:var(--ink-900)}
.quote-role{font-size:12.5px;color:var(--ink-500)}
.quote-text{margin-top:16px;font-size:14.5px;color:var(--ink-700);line-height:1.85}

.partner-grid{
  display:grid;gap:14px;margin-top:36px;
  grid-template-columns:repeat(2,1fr);
}
@media (min-width:640px){.partner-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1024px){.partner-grid{grid-template-columns:repeat(6,1fr)}}
.partner{
  height:66px;border-radius:var(--r-md);
  background:#F4EFE9;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13.5px;font-weight:600;color:var(--ink-500);
  transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease);
  filter:grayscale(1);
}
.partner:hover{background:#fff;color:var(--brand-1d);transform:translateY(-3px);filter:grayscale(0)}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:12px;box-shadow:var(--sh-1);
}
.faq-item{border-radius:var(--r-md);overflow:hidden}
.faq-item + .faq-item{margin-top:8px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 18px;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--ink-900);
  border-radius:var(--r-md);
  transition:background .24s var(--ease);
}
.faq-q:hover{background:var(--bg-soft)}
.faq-item.is-open .faq-q{background:var(--bg-soft)}
.faq-plus{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease);
}
.faq-plus svg{width:14px;height:14px}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a-inner{
  position:relative;padding:4px 18px 18px 21px;
  font-size:14.5px;color:var(--ink-700);line-height:1.85;
}
.faq-a-inner::before{
  content:"";position:absolute;left:0;top:6px;bottom:20px;width:3px;border-radius:3px;background:var(--grad);
}

/* ============ 底部固定转化条 ============ */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  background:#14161C;
  border-top:1px solid rgba(255,255,255,.10);
  transform:translateY(110%);
  transition:transform .34s var(--ease);
}
.bottom-bar.is-visible{transform:translateY(0)}
.bottom-inner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;
}
.bottom-text{display:none;color:rgba(255,255,255,.78);font-size:14px}
@media (min-width:768px){.bottom-text{display:block}}
.bottom-link{
  display:none;align-items:center;gap:6px;
  color:rgba(255,255,255,.72);font-size:14px;font-weight:500;
  transition:color .24s var(--ease);
}
@media (min-width:768px){.bottom-link{display:inline-flex}}
.bottom-link:hover{color:#FFB020}
.bottom-actions{display:flex;align-items:center;gap:12px;margin-left:auto;width:100%;justify-content:space-between}
@media (min-width:768px){.bottom-actions{width:auto}}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:16px;bottom:92px;z-index:60;
  width:46px;height:46px;border-radius:50%;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(255,90,31,.32);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px)}
.back-top svg{width:20px;height:20px}

/* ============ 页脚 ============ */
.site-footer{
  background:#14161C;color:rgba(255,255,255,.72);
  padding-top:56px;padding-bottom:96px;
  border-top:1px solid rgba(255,255,255,.08);
}
@media (min-width:1024px){.site-footer{padding-top:72px;padding-bottom:110px}}
.foot-grid{display:grid;gap:36px}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{box-shadow:0 0 0 1px rgba(255,255,255,.12)}
.foot-brand-name{font-size:15px;font-weight:800;color:#fff;letter-spacing:-.2px}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.foot-list li + li{margin-top:10px}
.foot-list a{font-size:14px;color:rgba(255,255,255,.66);transition:color .24s var(--ease),padding-left .24s var(--ease)}
.foot-list a:hover{color:#FFB020;padding-left:4px}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.75}
.foot-contact li + li{margin-top:12px}
.foot-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;color:var(--brand-2)}
.foot-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom-links{display:flex;gap:20px}
.foot-bottom-links a{transition:color .24s var(--ease)}
.foot-bottom-links a:hover{color:#FFB020}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand-1:#FF5A1F;
  --brand-1d:#E04A12;
  --brand-2:#FFB020;
  --brand-grad:linear-gradient(135deg,#FF5A1F 0%,#FFB020 100%);
  --accent:#0FA97B;
  --danger:#E5484D;
  --ink-900:#14161C;
  --ink-700:#3A3F4B;
  --ink-500:#6B7280;
  --line:#F0E6DC;
  --card:#FFFFFF;
  --bg:#FFF8F2;
  --bg-soft:#FFF1E6;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-sm:14px;
  --sh-1:0 4px 16px rgba(20,22,28,.06);
  --sh-2:0 12px 28px rgba(255,90,31,.16);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:'PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-1d);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-1)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid rgba(255,90,31,.4);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 32px}}

/* ---------- header / nav ---------- */
.site-head{position:sticky;top:0;z-index:60;padding:12px 0 6px;backdrop-filter:saturate(140%) blur(6px);background:linear-gradient(180deg,rgba(255,248,242,.96) 60%,rgba(255,248,242,0))}
.navcard{
  display:flex;align-items:center;gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px 14px;
  box-shadow:var(--sh-1);
  transition:box-shadow .28s var(--ease),transform .28s var(--ease);
}
.navcard.is-scrolled{box-shadow:0 10px 26px rgba(20,22,28,.12)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{position:relative;width:36px;height:36px;border-radius:12px;background:var(--brand-grad);box-shadow:0 6px 14px rgba(255,90,31,.3);flex-shrink:0}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:50%;width:4px;height:16px;border-radius:2px;background:#fff}
.brand-mark::before{left:12px;transform:translateY(-50%) rotate(24deg)}
.brand-mark::after{left:20px;transform:translateY(-50%) rotate(-24deg)}
.brand-name{display:block;font-size:15.5px;font-weight:800;letter-spacing:-.2px;color:var(--ink-900);line-height:1.25}
.brand-tag{display:block;font-size:11px;letter-spacing:.08em;color:var(--ink-500);line-height:1.4}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--ink-700);
  border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-item svg{width:18px;height:18px;flex-shrink:0}
.nav-item:hover{background:var(--bg-soft);border-color:var(--line);color:var(--brand-1d)}
.nav-item.is-active{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.28)}
.nav-item.is-active:hover{color:#fff}
.nav-cta{display:none;margin-left:6px}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;border-radius:12px;border:1px solid var(--line);background:var(--bg-soft);align-items:center}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .26s var(--ease),opacity .26s var(--ease)}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
}
.nav-drawer{
  position:fixed;inset:0;z-index:70;display:none;
  background:rgba(20,22,28,.45);
  padding:14px;
}
.nav-drawer.is-open{display:block}
.nav-drawer-inner{
  background:var(--card);border-radius:22px;padding:18px;max-width:420px;margin:0 auto;
  box-shadow:0 20px 50px rgba(20,22,28,.3);max-height:calc(100vh - 28px);overflow:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--bg-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-700)}
.drawer-list{display:flex;flex-direction:column;gap:8px}
.drawer-list .nav-item{width:100%;justify-content:flex-start;padding:13px 14px;font-size:15px}
.drawer-foot{margin-top:16px;display:flex;flex-direction:column;gap:10px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;line-height:1;
  padding:14px 24px;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);
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.26)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:#fff;border-color:rgba(255,90,31,.45);color:var(--brand-1d)}
.btn-ghost:hover{background:rgba(255,90,31,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.97)}
.btn-light{background:#fff;color:var(--brand-1d)}
.btn-light:hover{color:var(--brand-1d);transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-md{padding:14px 26px;font-size:15px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.cat-hero{padding:10px 0 0}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-500)}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-1d)}
.crumbs .sep{color:#D8C8BA}
.crumbs .cur{color:var(--ink-900);font-weight:600}
.hero-compact{
  position:relative;overflow:hidden;
  margin-top:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:26px 22px;
  display:grid;gap:22px;align-items:center;
}
.hero-compact::after{
  content:"";position:absolute;right:-120px;top:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.18) 0%,rgba(255,176,32,.06) 45%,rgba(255,248,242,0) 72%);
  pointer-events:none;
}
.hero-compact > *{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;
  background:var(--bg-soft);border:1px solid var(--line);
  font-size:12.5px;font-weight:600;color:var(--brand-1d);
}
.hero-compact h1{
  margin-top:14px;
  font-size:29px;line-height:1.28;font-weight:800;letter-spacing:-.5px;color:var(--ink-900);
}
.hero-compact h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:12px;font-size:15px;color:var(--ink-500);max-width:600px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  font-size:13px;font-weight:600;color:var(--ink-700);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}
.badge .dot.orange{background:var(--brand-1)}
.badge b{font-size:15px;font-weight:800;color:var(--ink-900)}
.hero-side{display:flex;flex-direction:column;gap:12px}
.stat-card{
  background:linear-gradient(160deg,#FFF6EE 0%,#FFFFFF 70%);
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
}
.stat-card .k{font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--ink-900)}
.stat-card .k span{font-size:15px;font-weight:700;color:var(--accent);margin-left:2px}
.stat-card .t{font-size:13.5px;color:var(--ink-500);margin-top:2px}
@media (min-width:768px){
  .hero-compact{padding:30px 28px}
  .hero-compact h1{font-size:36px}
}
@media (min-width:1024px){
  .hero-compact{grid-template-columns:1fr 260px;gap:32px;padding:36px 34px}
  .hero-compact h1{font-size:44px}
  .hero-lead{font-size:16px}
}

/* ---------- section basics ---------- */
.section{margin-top:56px}
@media (min-width:1024px){.section{margin-top:88px}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.section-head h2{font-size:23px;font-weight:800;letter-spacing:-.3px;color:var(--ink-900)}
@media (min-width:1024px){.section-head h2{font-size:30px}}
.section-head p{margin-top:6px;font-size:14px;color:var(--ink-500)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-1d)}
.text-link i{font-size:12px;transition:transform .22s var(--ease)}
.text-link:hover i{transform:translateX(3px)}

/* ---------- category1 asymmetric layout ---------- */
.cat-body{display:grid;gap:22px;margin-top:32px}
@media (min-width:1024px){
  .cat-body{grid-template-columns:280px minmax(0,1fr);gap:28px;align-items:start}
}
.side-index{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
@media (min-width:1024px){
  .side-index{position:sticky;top:96px}
}
.side-index h2{font-size:16px;font-weight:800;color:var(--ink-900);display:flex;align-items:center;gap:8px}
.side-index h2 i{color:var(--brand-1);font-size:14px}
.side-note{margin-top:10px;font-size:13.5px;color:var(--ink-500);line-height:1.65}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:4px}
.side-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--ink-700);
  border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.side-list a .n{
  width:22px;height:22px;border-radius:8px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft);color:var(--brand-1d);font-size:12px;font-weight:800;
}
.side-list a:hover{background:var(--bg-soft);border-color:var(--line);color:var(--brand-1d);transform:translateX(2px)}
.side-list a.is-current{background:rgba(255,90,31,.08);border-color:rgba(255,90,31,.28);color:var(--brand-1d)}
.side-cta{margin-top:18px;padding-top:16px;border-top:1px dashed #E5D8CB}
.side-cta .btn{width:100%}

.card-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card{
  position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:22px;
  padding:16px;box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  display:flex;flex-direction:column;
}
.card::before{
  content:"";position:absolute;right:16px;top:16px;width:26px;height:5px;border-radius:999px;
  background:var(--brand-grad);opacity:0;transform:translateY(-4px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.24)}
.card:hover::before{opacity:1;transform:translateY(0)}
.card-media{
  position:relative;width:100%;aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;
  background:linear-gradient(90deg,#F3EAE1 0%,#FAF2EA 50%,#F3EAE1 100%);
  background-size:200% 100%;animation:skeleton 1.6s linear infinite;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
@keyframes skeleton{0%{background-position:0 0}100%{background-position:-200% 0}}
.card-tag{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;padding:5px 11px;border-radius:999px;
  background:var(--bg-soft);color:var(--brand-1d);
  font-size:12px;font-weight:700;
}
.card h3{margin-top:10px;font-size:17px;font-weight:800;line-height:1.5;color:var(--ink-900);letter-spacing:-.2px}
.card h3 a{color:var(--ink-900)}
.card h3 a:hover{color:var(--brand-1d)}
.card p{margin-top:8px;font-size:14px;color:var(--ink-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;padding-top:13px;border-top:1px dashed #E9DCD0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--ink-500);
}
.card-foot .more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-1d)}
.card-foot .more i{font-size:11px;transition:transform .22s var(--ease)}
.card:hover .card-foot .more i{transform:translateX(3px)}

/* ---------- feature split ---------- */
.feature{
  display:grid;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 20px;box-shadow:var(--sh-1);
}
@media (min-width:1024px){
  .feature{grid-template-columns:1fr 1.05fr;gap:36px;padding:34px}
}
.feature h2{font-size:23px;font-weight:800;letter-spacing:-.3px;color:var(--ink-900)}
@media (min-width:1024px){.feature h2{font-size:30px}}
.feature p{margin-top:12px;font-size:15px;color:var(--ink-500);line-height:1.8}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-700)}
.check-list li i{color:var(--accent);margin-top:5px;font-size:13px}
.feature-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:#F3EAE1}
.feature-media img{width:100%;height:100%;object-fit:cover}
.media-badge{
  position:absolute;left:14px;bottom:14px;
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:14px;
  padding:10px 14px;box-shadow:var(--sh-1);
}
.media-badge b{display:block;font-size:18px;font-weight:800;color:var(--ink-900)}
.media-badge span{font-size:12px;color:var(--ink-500)}

/* ---------- faq ---------- */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--sh-1)}
@media (min-width:768px){.faq{padding:22px}}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:#FFFDFB}
.faq-item + .faq-item{margin-top:10px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;text-align:left;font-size:15.5px;font-weight:700;color:var(--ink-900);
  transition:background .22s var(--ease);
}
.faq-q:hover{background:var(--bg-soft)}
.faq-q .ic{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft);color:var(--brand-1d);font-size:13px;
  transition:transform .26s var(--ease),background .26s var(--ease),color .26s var(--ease);
}
.faq-item.is-open .faq-q .ic{transform:rotate(45deg);background:var(--brand-grad);color:#fff}
.faq-a{display:none;padding:0 18px 16px 18px;border-left:3px solid transparent}
.faq-item.is-open .faq-a{
  display:block;
  border-image:linear-gradient(180deg,#FF5A1F,#FFB020) 1;
}
.faq-a p{font-size:14.5px;color:var(--ink-500);line-height:1.8}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,#FF5A1F 0%,#FFB020 100%);
  padding:30px 22px;color:#fff;
  box-shadow:0 16px 40px rgba(255,90,31,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.35),rgba(255,255,255,0) 70%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:24px;font-weight:800;letter-spacing:-.3px}
@media (min-width:1024px){.cta-band h2{font-size:30px}}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.92);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
@media (min-width:1024px){.cta-band{padding:42px 40px}}

/* ---------- footer ---------- */
.site-footer{margin-top:64px;background:var(--ink-900);color:rgba(255,255,255,.72);padding:44px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
@media (min-width:1024px){.site-footer{margin-top:96px;padding:56px 0 30px}}
.foot-grid{display:grid;gap:32px}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-name{font-size:16px;font-weight:800;color:#fff}
.foot-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-list,.foot-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px}
.foot-list a{color:rgba(255,255,255,.68)}
.foot-list a:hover{color:#fff}
.foot-contact li{display:flex;gap:10px;line-height:1.7;color:rgba(255,255,255,.62)}
.foot-contact i{color:var(--brand-2);margin-top:5px;font-size:12px}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom-links{display:flex;gap:18px}
.foot-bottom-links a{color:rgba(255,255,255,.62)}
.foot-bottom-links a:hover{color:#fff}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:16px;bottom:22px;z-index:50;
  width:46px;height:46px;border-radius:50%;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(255,90,31,.35);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:#fff;transform:translateY(-2px)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand-1:#FF5A1F;
  --brand-1d:#E04A12;
  --brand-2:#FFB020;
  --accent:#0FA97B;
  --danger:#E5484D;
  --ink-900:#14161C;
  --ink-700:#3A3F4B;
  --ink-500:#6B7280;
  --line:#F0E6DC;
  --card:#FFFFFF;
  --bg:#FFF8F2;
  --bg-soft:#FFF1E6;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FFB020 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --sh-1:0 4px 16px rgba(20,22,28,.06);
  --sh-2:0 12px 28px rgba(255,90,31,.16);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-700);
  font-size:16px;
  line-height:1.75;
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea{font:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid rgba(255,90,31,.45);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,90,31,.18)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:8px;z-index:60;padding:10px 0 0}
.navcard{
  display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:10px 12px;box-shadow:var(--sh-1);
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-head.is-scrolled .navcard{box-shadow:0 12px 30px rgba(20,22,28,.12);border-color:#EADFD4}
.brand{display:flex;align-items:center;gap:10px;flex:none;min-width:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);flex:none;
  position:relative;box-shadow:0 6px 14px rgba(255,90,31,.32);
}
.brand-mark::after{
  content:"";position:absolute;inset:0;margin:auto;width:13px;height:13px;background:#fff;
  clip-path:polygon(0 0,100% 50%,0 100%);border-radius:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-name{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.2px;white-space:nowrap}
.brand-tag{font-size:11px;color:var(--ink-500);letter-spacing:.06em;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:14px;font-size:14px;font-weight:500;color:var(--ink-700);
  border:1px solid transparent;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.nav-item svg{width:18px;height:18px;flex:none;opacity:.85}
.nav-item:hover{background:var(--bg-soft);border-color:var(--line);color:var(--brand-1d)}
.nav-item.is-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(255,90,31,.28)}
.nav-item.is-active svg{opacity:1}
.nav-cta{display:none;margin-left:6px}
.burger{
  margin-left:auto;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:var(--bg-soft);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.burger span{width:18px;height:2px;border-radius:2px;background:var(--ink-900);display:block;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.burger:hover{border-color:rgba(255,90,31,.4)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
}
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer-panel{position:absolute;inset:0;background:#fff;padding:22px 18px 28px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--bg-soft);font-size:20px;color:var(--ink-900);display:grid;place-items:center}
.drawer-nav{display:grid;gap:10px}
.drawer-nav .nav-item{justify-content:flex-start;padding:14px;border:1px solid var(--line);border-radius:14px;font-size:15px}
.drawer-nav .nav-item.is-active{border-color:transparent}
.drawer-foot{margin-top:auto;display:grid;gap:10px}
.drawer-foot .btn{width:100%}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),filter .25s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.34)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:#fff;color:var(--brand-1d);border-color:rgba(255,90,31,.45)}
.btn-ghost:hover{background:rgba(255,90,31,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;
  background:var(--bg-soft);color:var(--brand-1d);font-size:12.5px;font-weight:500;border:1px solid rgba(255,90,31,.16);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--grad);flex:none}
.badge-accent{background:rgba(15,169,123,.1);color:#0B7F5D;border-color:rgba(15,169,123,.2)}
.badge-accent .dot{background:var(--accent)}
.tag-pill{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:13px;color:var(--ink-700);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.tag-pill:hover{border-color:rgba(255,90,31,.45);color:var(--brand-1d);transform:translateY(-2px)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-500);padding:22px 0 0}
.crumb a{color:var(--ink-500);transition:color .25s var(--ease)}
.crumb a:hover{color:var(--brand-1d)}
.crumb .sep{color:#CFC3B7}
.crumb .cur{color:var(--ink-500);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.art-head{padding:18px 0 0}
.art-title{
  font-size:28px;line-height:1.35;font-weight:800;color:var(--ink-900);
  letter-spacing:-.5px;margin:14px 0 16px;max-width:26ch;
}
@media (min-width:768px){.art-title{font-size:34px;max-width:32ch}}
@media (min-width:1024px){.art-title{font-size:42px;max-width:24ch}}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--ink-500)}
.art-meta .item{display:inline-flex;align-items:center;gap:7px}
.art-meta svg{width:16px;height:16px;opacity:.8}
.art-divider{height:1px;background:var(--line);margin-top:22px}
.art-cover{margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;background:#F3EAE1;aspect-ratio:21/9;box-shadow:var(--sh-1)}
.art-cover img{width:100%;height:100%;object-fit:cover}
.art-caption{font-size:12.5px;color:var(--ink-500);margin-top:10px;text-align:center}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:34px;padding:34px 0 0}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 292px;gap:48px;padding:44px 0 0}
}
.article-main{min-width:0}
.article-body{max-width:756px}
.article-body p{font-size:16px;line-height:1.85;color:var(--ink-700);margin:0 0 18px}
.article-body h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:var(--ink-900);
  margin:40px 0 16px;padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink-900);margin:28px 0 12px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0;list-style:none}
.article-body li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.85}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;background:var(--grad);
}
.article-body ol{counter-reset:li}
.article-body ol li{padding-left:28px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:7px;
  background:rgba(15,169,123,.12);color:#0B7F5D;font-size:12px;font-weight:600;display:grid;place-items:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg-soft);border-radius:0 16px 16px 0;position:relative;color:var(--ink-700);
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px 0 0 4px;background:var(--grad);
}
.article-body img{border-radius:var(--r-img);margin:20px 0;width:100%;height:auto}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0;background:#fff;border-radius:14px;overflow:hidden}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#FFFCF9;color:var(--ink-900);font-weight:600}
.article-body a{color:var(--brand-1d);text-decoration:underline;text-decoration-style:dotted;text-underline-offset:4px}
.article-body a:hover{text-decoration-style:solid}
.article-body strong{color:var(--ink-900)}

/* 空态 */
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:48px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-icon{
  width:58px;height:58px;margin:0 auto 16px;border-radius:18px;background:var(--bg-soft);
  display:grid;place-items:center;color:var(--brand-1);border:1px solid rgba(255,90,31,.16);
}
.empty-icon svg{width:26px;height:26px}
.empty-text{font-size:15px;color:var(--ink-500);margin-bottom:20px}

/* 标签与翻页 */
.art-tags{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding-top:24px;border-top:1px dashed var(--line)}
.prevnext{display:grid;gap:14px;margin-top:28px}
@media (min-width:768px){.prevnext{grid-template-columns:1fr 1fr}}
.pn-card{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.3)}
.pn-card .pn-label{font-size:12.5px;color:var(--ink-500);display:block;margin-bottom:4px}
.pn-card .pn-title{font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.5}
.pn-arrow{width:38px;height:38px;border-radius:12px;background:var(--bg-soft);display:grid;place-items:center;flex:none;color:var(--brand-1d)}
.pn-arrow svg{width:18px;height:18px}
.back-list{margin-top:22px}

/* 侧栏 */
.article-side{display:grid;gap:20px;align-content:start}
@media (min-width:1024px){
  .article-side{position:sticky;top:96px}
}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.side-title{font-size:14px;font-weight:700;color:var(--ink-900);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:14px;border-radius:4px;background:var(--grad)}
.side-links{display:grid;gap:10px}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:14px;background:var(--bg-soft);font-size:14px;color:var(--ink-700);
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.side-link:hover{background:rgba(255,90,31,.1);color:var(--brand-1d);transform:translateX(3px)}
.side-link svg{width:16px;height:16px;flex:none;opacity:.7}
.side-list{display:grid;gap:14px}
.side-post{display:flex;gap:12px;align-items:flex-start}
.side-post .thumb{width:64px;height:48px;border-radius:12px;overflow:hidden;background:#F3EAE1;flex:none}
.side-post .thumb img{width:100%;height:100%;object-fit:cover}
.side-post .t{font-size:14px;font-weight:600;color:var(--ink-900);line-height:1.5;transition:color .25s var(--ease)}
.side-post:hover .t{color:var(--brand-1d)}
.side-post .d{font-size:12px;color:var(--ink-500);margin-top:4px}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0 0}
@media (min-width:1024px){.section{padding:88px 0 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.section-title{font-size:24px;font-weight:700;color:var(--ink-900);letter-spacing:-.3px}
@media (min-width:1024px){.section-title{font-size:30px}}
.section-sub{font-size:14px;color:var(--ink-500);margin-top:8px}
.text-link{font-size:14px;font-weight:600;color:var(--brand-1d);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link:hover{color:var(--brand-1)}
.text-link svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}
.rec-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.post-card::after{
  content:"";position:absolute;top:0;right:0;width:34px;height:34px;border-radius:0 18px 0 18px;
  background:var(--grad);opacity:0;transition:opacity .3s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28)}
.post-card:hover::after{opacity:1}
.post-card .cover{aspect-ratio:16/10;overflow:hidden;background:#F3EAE1}
.post-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .cover img{transform:scale(1.04)}
.post-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{font-size:13.5px;line-height:1.75;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-500)}
.post-card .foot .more{color:var(--brand-1d);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .3s var(--ease),border-color .3s var(--ease)}
.faq-item.is-open{border-color:rgba(255,90,31,.32);box-shadow:var(--sh-2)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6}
.faq-icon{
  width:28px;height:28px;border-radius:50%;background:var(--bg-soft);color:var(--brand-1d);flex:none;
  display:grid;place-items:center;transition:transform .3s var(--ease);
}
.faq-icon svg{width:15px;height:15px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{position:relative;padding:0 22px 20px 34px;font-size:14.5px;line-height:1.8;color:var(--ink-700)}
.faq-a-inner::before{content:"";position:absolute;left:20px;top:4px;bottom:22px;width:3px;border-radius:3px;background:var(--grad)}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:64px;border-radius:var(--r-lg);padding:34px 26px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1B1E26 0%,#14161C 100%);border:1px solid rgba(255,255,255,.08);
}
@media (min-width:1024px){.cta-band{margin-top:88px;padding:48px 46px}}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.42),transparent 68%);
}
.cta-inner{position:relative;display:flex;flex-direction:column;gap:22px;align-items:flex-start}
@media (min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-band h2{font-size:22px;font-weight:800;color:#fff;line-height:1.45;letter-spacing:-.3px}
@media (min-width:1024px){.cta-band h2{font-size:28px}}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.66);margin-top:10px;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-onDark{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.24)}
.btn-onDark:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ---------- 底部固定条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;background:#14161C;
  border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(110%);transition:transform .35s var(--ease);
}
.sticky-bar.is-visible{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;gap:14px;padding:12px 0}
.sticky-text{display:none;font-size:14px;color:rgba(255,255,255,.72)}
.sticky-link{margin-left:auto;font-size:13.5px;color:rgba(255,255,255,.6);white-space:nowrap}
.sticky-link:hover{color:#FFB020}
.sticky-inner .btn{flex:1}
@media (min-width:768px){
  .sticky-text{display:block}
  .sticky-inner .btn{flex:none}
}

/* 返回顶部 */
.to-top{
  position:fixed;right:16px;bottom:88px;z-index:68;width:46px;height:46px;border-radius:50%;
  background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(255,90,31,.32);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top svg{width:20px;height:20px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:#14161C;color:rgba(255,255,255,.7);border-top:1px solid rgba(255,255,255,.08);padding-top:58px}
.foot-grid{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.15fr}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-name{font-size:16px;font-weight:700;color:#fff}
.foot-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.58);max-width:36ch}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-list,.foot-contact{display:grid;gap:11px;font-size:13.5px;list-style:none}
.foot-list a{color:rgba(255,255,255,.66);transition:color .25s var(--ease)}
.foot-list a:hover{color:#FFB020}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66);line-height:1.7}
.foot-contact svg{width:17px;height:17px;flex:none;color:#FFB020;margin-top:4px}
.foot-bottom{
  margin-top:46px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom-links{display:flex;gap:18px}
.foot-bottom-links a{color:rgba(255,255,255,.55);transition:color .25s var(--ease)}
.foot-bottom-links a:hover{color:#FFB020}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
  :root{
    --brand-1:#FF5A1F;
    --brand-1d:#E04A12;
    --brand-2:#FFB020;
    --accent:#0FA97B;
    --danger:#E5484D;
    --ink-900:#14161C;
    --ink-700:#3A3F4B;
    --ink-500:#6B7280;
    --line:#F0E6DC;
    --card:#FFFFFF;
    --bg:#FFF8F2;
    --bg-soft:#FFF1E6;
    --grad:linear-gradient(135deg,#FF5A1F 0%,#FFB020 100%);
    --grad-soft:linear-gradient(150deg,#FF5A1F 0%,#FFB020 100%);
    --r-xl:24px;
    --r-lg:18px;
    --r-md:14px;
    --r-pill:999px;
    --sh-1:0 4px 16px rgba(20,22,28,.06);
    --sh-2:0 12px 28px rgba(255,90,31,.16);
    --ease:cubic-bezier(.2,.8,.2,1);
    --wrap:1200px;
  }

  /* ===== 基础 ===== */
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  .page-body{
    margin:0;
    background:var(--bg);
    color:var(--ink-700);
    font-family:'PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  .page-body img{display:block;max-width:100%;height:auto;}
  .page-body ul,.page-body ol{margin:0;padding:0;list-style:none;}
  .page-body p{margin:0;}
  .page-body h1,.page-body h2,.page-body h3,.page-body h4{margin:0;font-weight:800;color:var(--ink-900);letter-spacing:-.3px;}
  .page-body a{color:inherit;text-decoration:none;}
  .page-body button{font-family:inherit;}
  .page-body svg{display:block;}
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-track{background:var(--bg-soft);}
  ::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#FF5A1F,#FFB020);border-radius:999px;}
  .num{font-variant-numeric:tabular-nums;}

  .skip-link{
    position:absolute;left:16px;top:-60px;z-index:200;
    background:#fff;color:var(--brand-1d);border:1px solid var(--line);
    padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;
    transition:top .25s var(--ease);
  }
  .skip-link:focus{top:12px;}

  /* ===== 容器 ===== */
  .wrap{
    width:100%;
    max-width:var(--wrap);
    margin:0 auto;
    padding-left:16px;
    padding-right:16px;
  }
  @media (min-width:768px){ .wrap{padding-left:24px;padding-right:24px;} }
  @media (min-width:1024px){ .wrap{padding-left:32px;padding-right:32px;} }

  /* ===== 顶部导航 ===== */
  .site-head{
    position:sticky;
    top:0;
    z-index:80;
    background:var(--bg);
    padding:10px 0 12px;
    transition:box-shadow .3s var(--ease);
  }
  .site-head.is-scrolled{box-shadow:0 10px 26px rgba(20,22,28,.07);}

  .navcard{
    display:flex;
    align-items:center;
    gap:14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    padding:10px 14px;
    box-shadow:var(--sh-1);
    transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .site-head.is-scrolled .navcard{box-shadow:0 12px 28px rgba(20,22,28,.10);}

  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    position:relative;
    width:38px;height:38px;flex:0 0 auto;
    border-radius:12px;
    background:var(--grad);
    box-shadow:0 6px 16px rgba(255,90,31,.28);
  }
  .brand-mark::before{
    content:"";position:absolute;left:9px;top:8px;width:20px;height:22px;
    background:linear-gradient(135deg,#FFFFFF,rgba(255,255,255,.72));
    clip-path:polygon(0 0,100% 45%,0 100%);
    border-radius:4px;opacity:.94;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:16px;font-weight:800;color:var(--ink-900);letter-spacing:-.2px;}
  .brand-tag{font-size:11px;color:var(--ink-500);letter-spacing:.6px;margin-top:2px;}

  .nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;margin-left:10px;}
  .nav-item{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 13px;border-radius:14px;
    font-size:14px;font-weight:600;color:var(--ink-700);
    border:1px solid transparent;
    transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
  }
  .nav-item svg{width:17px;height:17px;opacity:.78;}
  .nav-item:hover{background:var(--bg-soft);border-color:var(--line);color:var(--brand-1d);transform:translateY(-1px);}
  .nav-item.is-active{
    background:var(--grad);color:#fff;border-color:transparent;
    box-shadow:0 8px 18px rgba(255,90,31,.24);
  }
  .nav-item.is-active svg{opacity:1;}
  .nav-item.is-active:hover{background:var(--grad-soft);color:#fff;border-color:transparent;}

  .nav-cta{flex:0 0 auto;}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-weight:700;border:1px solid transparent;cursor:pointer;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),filter .25s var(--ease);
  }
  .btn svg{width:17px;height:17px;}
  .btn-sm{padding:9px 17px;font-size:14px;}
  .btn-md{padding:13px 25px;font-size:15px;}
  .btn-lg{padding:16px 30px;font-size:16px;}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(255,90,31,.26);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,31,.32);background:var(--grad-soft);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.95);}
  .btn-ghost{background:#fff;border-color:rgba(255,90,31,.45);color:var(--brand-1d);}
  .btn-ghost:hover{background:rgba(255,90,31,.08);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-light{background:#fff;color:var(--brand-1d);box-shadow:0 10px 24px rgba(20,22,28,.14);}
  .btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(20,22,28,.2);}
  .btn-glass{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55);color:#fff;}
  .btn-glass:hover{background:rgba(255,255,255,.26);transform:translateY(-2px);}
  .btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}
  .btn:focus-visible,.nav-item:focus-visible,.tab-pill:focus-visible,.faq-q:focus-visible,.to-top:focus-visible{
    outline:none;box-shadow:0 0 0 4px rgba(255,90,31,.35);
  }

  /* ===== 汉堡与抽屉 ===== */
  .burger{
    display:none;
    width:44px;height:44px;flex:0 0 auto;
    border-radius:14px;border:1px solid var(--line);background:var(--bg-soft);
    padding:0;cursor:pointer;
    flex-direction:column;align-items:center;justify-content:center;gap:5px;
  }
  .burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .25s var(--ease),opacity .2s var(--ease);}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .nav-drawer{
    position:fixed;inset:0;z-index:90;
    background:rgba(20,22,28,.5);
    padding:84px 16px 20px;
    overflow:auto;
  }
  .nav-drawer[hidden]{display:none;}
  .drawer-card{
    background:#fff;border-radius:24px;padding:16px;
    box-shadow:0 24px 48px rgba(20,22,28,.24);
    display:flex;flex-direction:column;gap:10px;
    max-width:520px;margin:0 auto;
  }
  .drawer-title{margin:2px 6px 6px;font-size:13px;font-weight:700;color:var(--ink-500);letter-spacing:.6px;}
  .drawer-link{
    display:flex;align-items:center;gap:10px;
    padding:13px 14px;border-radius:14px;
    background:var(--bg-soft);border:1px solid var(--line);
    color:var(--ink-700);font-weight:600;font-size:15px;
    transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  }
  .drawer-link svg{width:18px;height:18px;opacity:.8;}
  .drawer-link:hover{border-color:rgba(255,90,31,.4);color:var(--brand-1d);}
  .drawer-link.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(255,90,31,.22);}
  .drawer-cta{margin-top:6px;width:100%;}
  .drawer-open{overflow:hidden;}

  /* ===== 面包屑 ===== */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 2px 8px;font-size:13px;color:var(--ink-500);}
  .crumb a{color:var(--ink-500);transition:color .2s var(--ease);}
  .crumb a:hover{color:var(--brand-1d);}
  .crumb .sep{color:#CDBFB2;}
  .crumb .cur{color:#9C9views;}
  .crumb .cur{color:#9C9285;}

  /* ===== Hero ===== */
  .hero-sec{position:relative;padding:4px 0 0;overflow:hidden;}
  .hero-sec::before{
    content:"";position:absolute;right:-170px;top:-200px;width:640px;height:640px;pointer-events:none;
    background:radial-gradient(circle,rgba(255,90,31,.20) 0%,rgba(255,176,32,.08) 45%,rgba(255,176,32,0) 72%);
  }
  .hero-box{
    position:relative;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-xl);
    padding:30px 20px 32px;
    text-align:center;
    box-shadow:var(--sh-1);
  }
  @media (min-width:768px){ .hero-box{padding:40px 40px 44px;} }

  .tab-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:22px;}
  .tab-pill{
    padding:8px 16px;border-radius:999px;
    background:var(--bg-soft);border:1px solid var(--line);
    color:var(--ink-700);font-size:13.5px;font-weight:600;
    transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .tab-pill:hover{border-color:rgba(255,90,31,.4);color:var(--brand-1d);transform:translateY(-1px);}
  .tab-pill.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(255,90,31,.22);}

  .brand-chip{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 15px;border-radius:999px;
    background:rgba(255,90,31,.08);
    border:1px solid rgba(255,90,31,.18);
    color:var(--brand-1d);font-size:12.5px;font-weight:700;letter-spacing:.4px;
  }
  .brand-chip i{width:6px;height:6px;border-radius:50%;background:var(--grad);display:block;font-style:normal;}

  .hero-h1{
    margin:18px auto 0;max-width:860px;
    font-size:29px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  }
  @media (min-width:768px){ .hero-h1{font-size:42px;} }
  @media (min-width:1024px){ .hero-h1{font-size:48px;} }

  .hero-sub{margin:14px auto 0;max-width:660px;font-size:15.5px;color:var(--ink-500);}
  @media (min-width:768px){ .hero-sub{font-size:16.5px;} }

  .stat-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px;}
  .stat-pill{
    display:inline-flex;align-items:center;gap:9px;
    padding:9px 16px;border-radius:999px;
    background:var(--bg-soft);border:1px solid var(--line);
    font-size:13px;color:var(--ink-500);
  }
  .stat-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
  .stat-pill b{font-size:17px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;}

  /* ===== 板块与标题 ===== */
  .sec{padding:52px 0 0;}
  @media (min-width:1024px){ .sec{padding:84px 0 0;} }
  .sec-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:16px;flex-wrap:wrap;margin-bottom:26px;
  }
  .sec-title{font-size:24px;font-weight:800;letter-spacing:-.3px;}
  @media (min-width:768px){ .sec-title{font-size:31px;} }
  .sec-desc{margin-top:9px;color:var(--ink-500);font-size:15px;max-width:660px;}
  .sec-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:700;color:var(--brand-1d);
    padding-bottom:3px;border-bottom:1px dashed rgba(255,90,31,.5);
    transition:gap .25s var(--ease),color .25s var(--ease);
  }
  .sec-link:hover{gap:10px;color:var(--brand-1);}

  /* ===== 内容卡片 ===== */
  .anchor{scroll-margin-top:118px;}
  .spot{
    position:relative;
    display:flex;flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-xl);
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .spot:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.24);}
  .spot::after{
    content:"";position:absolute;top:16px;right:16px;z-index:3;
    width:0;height:4px;border-radius:3px;background:var(--grad);
    opacity:0;transition:width .3s var(--ease),opacity .3s var(--ease);
  }
  .spot:hover::after{width:24px;opacity:1;}

  .spot-media{
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
    background:linear-gradient(100deg,#F4ECE5 0%,#EFE4DA 50%,#F4ECE5 100%);
    background-size:200% 100%;
    animation:shimmer 2.6s linear infinite;
  }
  .spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
  .spot:hover .spot-media img{transform:scale(1.04);}
  .media-hit{position:absolute;inset:0;z-index:1;}

  .spot-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
  @media (min-width:768px){ .spot-body{padding:24px;} }

  .spot-title{font-size:19px;font-weight:700;line-height:1.45;}
  @media (min-width:1024px){ .spot-title{font-size:20px;} }
  .spot-title-link{color:inherit;transition:color .25s var(--ease);}
  .spot-title-link:hover{color:var(--brand-1d);}

  .spot-text{color:var(--ink-500);font-size:14.5px;line-height:1.78;}
  .spot-list{display:flex;flex-direction:column;gap:7px;margin-top:2px;}
  .spot-list li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-700);line-height:1.7;}
  .spot-list li::before{
    content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
    background:linear-gradient(135deg,#FF5A1F,#FFB020);
  }

  .spot-foot{
    margin-top:auto;padding-top:14px;
    border-top:1px dashed #E7D9CC;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13.5px;color:var(--ink-500);
  }
  .spot-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-1d);transition:gap .25s var(--ease);}
  .spot-more svg{width:15px;height:15px;}
  .spot:hover .spot-more{gap:10px;}

  .spot-wide{display:grid;grid-template-columns:1fr;}
  @media (min-width:900px){
    .spot-wide{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);}
    .spot-wide .spot-media{aspect-ratio:auto;height:100%;min-height:320px;}
  }

  /* ===== 标签与徽章 ===== */
  .tag{
    display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
    padding:5px 12px;border-radius:999px;
    font-size:12.5px;font-weight:700;
    background:rgba(15,169,123,.10);
    border:1px solid rgba(15,169,123,.20);
    color:#0B8A64;
  }
  .tag-brand{background:rgba(255,90,31,.10);border-color:rgba(255,90,31,.20);color:var(--brand-1d);}
  .tag-ink{background:rgba(107,114,128,.10);border-color:rgba(107,114,128,.20);color:#4B5563;}

  /* ===== 深色数据面板 ===== */
  .dark-panel{
    position:relative;overflow:hidden;
    background:#14161C;
    border-radius:var(--r-xl);
    padding:38px 22px;
    box-shadow:0 0 0 1px rgba(255,255,255,.08);
  }
  .dark-panel::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity:.26;
  }
  .dark-panel::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(20,22,28,.94) 0%,rgba(20,22,28,.72) 55%,rgba(20,22,28,.92) 100%);
  }
  .dark-inner{position:relative;z-index:1;}
  @media (min-width:768px){ .dark-panel{padding:52px 44px;} }

  .dark-chip{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.16);
    color:#FFD9A8;font-size:12.5px;font-weight:700;letter-spacing:.4px;
  }
  .dark-title{margin-top:16px;color:#fff;font-size:24px;font-weight:800;letter-spacing:-.3px;}
  @media (min-width:768px){ .dark-title{font-size:30px;} }
  .dark-desc{margin-top:10px;color:rgba(255,255,255,.7);font-size:15px;max-width:640px;}

  .metric-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px;}
  @media (min-width:640px){ .metric-grid{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .metric-grid{grid-template-columns:repeat(4,1fr);} }
  .metric{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.10);
    border-radius:var(--r-lg);
    padding:18px;
    transition:transform .3s var(--ease),background-color .3s var(--ease),border-color .3s var(--ease);
  }
  .metric:hover{transform:translateY(-4px);background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.2);}
  .metric b{
    display:block;color:#fff;font-size:30px;font-weight:800;letter-spacing:-.5px;
    font-variant-numeric:tabular-nums;line-height:1.1;
  }
  .metric b i{font-style:normal;font-size:14px;font-weight:600;color:var(--brand-2);margin-left:5px;}
  .metric span{display:block;margin-top:8px;font-size:13.5px;line-height:1.65;color:rgba(255,255,255,.68);}

  /* ===== FAQ ===== */
  .faq-list{display:flex;flex-direction:column;gap:14px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    overflow:hidden;box-shadow:var(--sh-1);
    transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .faq-item.is-open{border-color:rgba(255,90,31,.35);box-shadow:var(--sh-2);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5;
  }
  .faq-q .ico{
    flex:0 0 auto;width:28px;height:28px;border-radius:50%;
    background:var(--bg-soft);color:var(--brand-1d);
    display:grid;place-items:center;
    transition:transform .3s var(--ease),background-color .3s var(--ease),color .3s var(--ease);
  }
  .faq-q .ico svg{width:14px;height:14px;}
  .faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--grad);color:#fff;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease);}
  .faq-a-in{position:relative;padding:0 22px 20px 22px;font-size:14.5px;color:var(--ink-500);line-height:1.8;}
  .faq-a-in::before{
    content:"";position:absolute;left:22px;top:4px;bottom:22px;width:3px;border-radius:3px;
    background:var(--grad);
  }
  .faq-a-text{padding-left:16px;}

  /* ===== 底部 CTA ===== */
  .cta-panel{
    position:relative;overflow:hidden;
    border-radius:var(--r-xl);
    background:var(--grad);
    padding:38px 22px;
    text-align:center;
    color:#fff;
    box-shadow:0 18px 42px rgba(255,90,31,.28);
  }
  @media (min-width:768px){ .cta-panel{padding:52px 40px;} }
  .cta-panel::before{
    content:"";position:absolute;left:-90px;bottom:-140px;width:340px;height:340px;border-radius:50%;
    background:rgba(255,255,255,.16);
  }
  .cta-panel::after{
    content:"";position:absolute;right:-60px;top:-120px;width:280px;height:280px;border-radius:50%;
    background:rgba(255,255,255,.12);
  }
  .cta-inner{position:relative;z-index:1;}
  .cta-title{color:#fff;font-size:24px;font-weight:800;letter-spacing:-.4px;}
  @media (min-width:768px){ .cta-title{font-size:31px;} }
  .cta-desc{margin:14px auto 0;max-width:620px;color:rgba(255,255,255,.9);font-size:15px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px;}

  /* ===== 页脚 ===== */
  .site-footer{
    margin-top:64px;
    background:#14161C;
    color:rgba(255,255,255,.72);
    padding:52px 0 0;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .foot-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  @media (min-width:768px){ .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;} }
  .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .foot-brand .brand-mark{width:34px;height:34px;border-radius:11px;}
  .foot-brand-name{color:#fff;font-weight:800;font-size:16.5px;letter-spacing:-.2px;}
  .foot-desc{margin:0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
  .foot-title{margin:0 0 14px;color:#fff;font-size:15px;font-weight:700;}
  .foot-list{display:flex;flex-direction:column;gap:10px;}
  .foot-list a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
  .foot-list a:hover{color:var(--brand-2);transform:translateX(3px);}
  .foot-contact{display:flex;flex-direction:column;gap:13px;font-size:14px;}
  .foot-contact li{display:flex;gap:9px;align-items:flex-start;color:rgba(255,255,255,.66);line-height:1.7;}
  .foot-contact svg{width:17px;height:17px;flex:0 0 auto;color:var(--brand-2);margin-top:4px;}
  .foot-bottom{
    margin-top:40px;padding:18px 0 22px;
    border-top:1px solid rgba(255,255,255,.24);
    display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }
  .foot-bottom-links{display:flex;gap:18px;}
  .foot-bottom-links a{color:rgba(255,255,255,.6);transition:color .2s var(--ease);}
  .foot-bottom-links a:hover{color:var(--brand-2);}

  /* ===== 返回顶部 ===== */
  .to-top{
    position:fixed;right:20px;bottom:24px;z-index:70;
    width:48px;height:48px;border-radius:50%;
    border:0;cursor:pointer;
    background:var(--grad);color:#fff;
    display:grid;place-items:center;
    box-shadow:0 12px 26px rgba(255,90,31,.32);
    opacity:0;visibility:hidden;transform:translateY(14px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
  }
  .to-top svg{width:20px;height:20px;}
  .to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
  .to-top:hover{transform:translateY(-3px);}

  /* ===== 骨架与动效 ===== */
  @keyframes shimmer{
    0%{background-position:200% 0;}
    100%{background-position:-200% 0;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }

  /* ===== 响应式 ===== */
  @media (max-width:1023px){
    .nav-links,.nav-cta{display:none;}
    .burger{display:flex;margin-left:auto;}
  }
  @media (min-width:1024px){
    .nav-drawer{display:none !important;}
  }
  @media (max-width:520px){
    .hero-box{padding:24px 16px 26px;border-radius:20px;}
    .hero-h1{font-size:26px;}
    .hero-sub{font-size:15px;}
    .brand-name{font-size:14.5px;}
    .brand-tag{display:none;}
    .brand-mark{width:34px;height:34px;border-radius:11px;}
    .navcard{padding:9px 11px;gap:10px;}
    .spot-body{padding:18px;}
    .spot-title{font-size:17.5px;}
    .metric b{font-size:26px;}
    .to-top{right:14px;bottom:16px;width:44px;height:44px;}
    .tab-pill{padding:7px 13px;font-size:12.5px;}
  }