/* roulang page: index */
:root{
  --brand-1:#FF7A1A;
  --brand-2:#FF3B6B;
  --cyan:#10C9B6;
  --lemon:#FFD84D;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --text:#16181D;
  --text-2:#5B6068;
  --text-3:#8B9098;
  --border:#E8E3DC;
  --line:#EFEAE3;
  --ok:#18A058;
  --warn:#F5A524;
  --err:#E5484D;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-1:0 10px 30px rgba(22,24,29,.08);
  --shadow-2:0 18px 44px rgba(255,59,107,.14);
  --grad:linear-gradient(135deg,#FF7A1A,#FF3B6B);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-2)}
button,input,select{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ============ App Shell ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:240px;
  background:var(--dark);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  z-index:80;
}
.sidebar-brand{display:flex;align-items:center;gap:11px;padding:0 6px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{
  width:42px;height:42px;flex:0 0 auto;border-radius:14px;background:var(--grad);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 22px rgba(255,59,107,.34);
}
.brand-text{display:flex;flex-direction:column;line-height:1.28;min-width:0}
.brand-text b{color:#fff;font-size:15px;font-weight:700;letter-spacing:.2px}
.brand-text span{color:#8B9098;font-size:11.5px}
.sidebar-nav{margin-top:18px;display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:12px;color:#C9CDD4;font-size:14.5px;
  transition:background .2s,color .2s,transform .2s;
}
.nav-item svg{width:18px;height:18px;flex:0 0 auto;opacity:.85}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.06);transform:translateX(2px)}
.nav-item.active{color:#fff;background:rgba(255,122,26,.14);font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,#FF7A1A,#10C9B6);
}
.sidebar-foot{margin-top:14px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-note{color:#7C8189;font-size:12px;line-height:1.7;margin-top:12px;text-align:center}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:999px;border:0;cursor:pointer;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 24px rgba(255,59,107,.28);
  transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-grad:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,59,107,.34)}
.btn-grad:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,59,107,.26)}
.btn-grad.w-full{width:100%}
.btn-grad.sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:50px;padding:0 24px;border-radius:999px;
  background:#fff;border:1px solid var(--border);color:var(--text);font-weight:600;font-size:15px;
  transition:.2s;cursor:pointer;
}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow-1)}

.mobile-bar{display:none}
.drawer-mask{display:none}

.main-area{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.page-wrap{width:100%;max-width:1220px;margin:0 auto;padding:0 30px}
.section{padding:72px 0}
.section.tight{padding:48px 0}
.sec-head{margin-bottom:30px;max-width:720px}
.sec-head h2{
  position:relative;padding-left:16px;margin-bottom:10px;
  font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28;letter-spacing:.2px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:5px;border-radius:3px;background:var(--grad);
}
.sec-head p{color:var(--text-2);font-size:15px}
.section.dark{background:var(--dark);color:#fff}
.section.dark .sec-head p{color:#A9AEB6}

/* ============ 倒计时条 ============ */
.countdown-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:22px;padding:12px 20px;
  border-radius:16px;
  background:linear-gradient(90deg,rgba(255,122,26,.13),rgba(16,201,182,.13));
  border:1px solid var(--border);
}
.cd-left{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2);font-weight:500}
.cd-dot{width:9px;height:9px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(255,59,107,.16);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(255,59,107,.16)}50%{box-shadow:0 0 0 8px rgba(255,59,107,.06)}}
.cd-right{display:flex;align-items:center;gap:10px}
.cd-label{font-size:13px;color:var(--text-3)}
.cd-num{
  display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;letter-spacing:1.5px;
  box-shadow:0 8px 20px rgba(255,59,107,.24);
}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;margin-top:22px;
  border-radius:var(--r-xl);min-height:540px;display:flex;align-items:center;
  background:#14161A;box-shadow:var(--shadow-1);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,26,.95) 0%,rgba(20,22,26,.82) 46%,rgba(20,22,26,.34) 100%);
}
.hero-inner{position:relative;z-index:2;padding:60px 52px;max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:#FFB27A;font-size:13px;font-weight:600;letter-spacing:.4px;
}
.hero-inner h1{
  color:#fff;font-size:clamp(30px,3.9vw,48px);font-weight:800;line-height:1.16;
  margin:18px 0 16px;letter-spacing:-.3px;
}
.hero-inner h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#FF9A3C 0%,#FF3B6B 58%,#10C9B6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:#C9CDD4;font-size:17px;max-width:560px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#FF9A3C;color:#fff}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hbadge{
  display:flex;align-items:baseline;gap:5px;padding:12px 18px;border-radius:16px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
}
.hbadge b{font-size:25px;font-weight:800;line-height:1;color:var(--lemon);font-variant-numeric:tabular-nums}
.hbadge i{font-style:normal;font-size:13px;color:#FFB27A;font-weight:600}
.hbadge span{font-size:12.5px;color:#B9BEC6;margin-left:4px}

/* ============ 卖点卡 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s,box-shadow .25s;
}
.feature-card::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:var(--grad);opacity:0;transition:opacity .25s;pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.feature-card:hover::after{opacity:1}
.fc-icon{
  width:46px;height:46px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(255,122,26,.16),rgba(255,59,107,.12));
  color:var(--brand-2);margin-bottom:16px;
}
.fc-icon svg{width:22px;height:22px}
.feature-card h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:8px}
.feature-card p{color:var(--text-2);font-size:14.5px;line-height:1.75;margin-bottom:16px}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 13px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.7}
.badge.orange{background:rgba(255,122,26,.13);color:#C8471A}
.badge.cyan{background:rgba(16,201,182,.15);color:#0B8F82}
.badge.lemon{background:rgba(255,216,77,.3);color:#8A6A00}
.badge.ok{background:rgba(24,160,88,.12);color:var(--ok)}
.badge.grey{background:rgba(139,144,152,.14);color:#5B6068}

/* ============ 亮点图墙 ============ */
.wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:168px;gap:18px}
.wall-item{
  position:relative;overflow:hidden;border-radius:20px;background:#E8E3DC;
  border:1px solid var(--border);cursor:pointer;
}
.wall-item.tall{grid-row:span 2}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,26,0) 38%,rgba(20,22,26,.82) 100%);
  transition:opacity .3s;
}
.wall-item::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;
  background:var(--grad);opacity:0;transition:opacity .3s;z-index:3;pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.wall-item:hover img{transform:scale(1.03)}
.wall-item:hover::before{opacity:1}
.wall-cap{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff}
.wall-cap .wall-tag{
  display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.2);backdrop-filter:blur(4px);margin-bottom:7px;
}
.wall-cap h3{font-size:15px;font-weight:600;line-height:1.45;color:#fff}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
.step-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.step-card .step-no{
  position:absolute;right:18px;top:6px;font-size:56px;font-weight:800;line-height:1;
  color:rgba(255,122,26,.1);font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:19px;font-weight:700;margin-bottom:10px;position:relative;z-index:1}
.step-card p{color:var(--text-2);font-size:14.5px;position:relative;z-index:1}
.step-card .badge{margin-bottom:14px}
.step-line{
  height:4px;border-radius:999px;
  background:linear-gradient(90deg,var(--brand-1),var(--cyan));
  opacity:.35;margin:0 auto 26px;max-width:420px;
}

/* ============ 登录表单 CTA ============ */
.cta-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);
  padding:44px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.16),transparent 68%);
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(23px,2.4vw,30px);font-weight:700;line-height:1.3;margin:14px 0 12px}
.cta-copy p{color:var(--text-2);font-size:15px;margin-bottom:20px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;color:var(--text-2);font-size:14.5px;margin-bottom:10px}
.cta-list .tick{
  width:20px;height:20px;flex:0 0 auto;border-radius:50%;margin-top:4px;
  background:rgba(16,201,182,.15);color:#0B8F82;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
}
.cta-form{
  position:relative;z-index:1;background:#FBFAF8;border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 24px;
}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.form-row input[type="tel"],
.form-row input[type="text"],
.form-row input[type="password"],
.form-row select{
  width:100%;height:50px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:#fff;color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.form-row input:focus,.form-row select:focus{
  outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(255,122,26,.13);
}
.form-row input::placeholder{color:#A9AEB6}
.form-inline{display:grid;grid-template-columns:1fr 120px;gap:10px}
.form-inline .btn-ghost{min-height:50px;padding:0 10px;font-size:13.5px;font-weight:600}
.form-check{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--text-3);line-height:1.7;margin:4px 0 18px}
.form-check input{width:16px;height:16px;margin-top:5px;accent-color:#FF3B6B;flex:0 0 auto}
.form-check a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
.form-tip{text-align:center;font-size:12.5px;color:var(--text-3);margin-top:12px}

/* ============ CMS 列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;height:100%;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#F6D9C8;color:inherit}
.news-card h3{
  font-size:17.5px;font-weight:700;line-height:1.5;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  color:var(--text-2);font-size:14px;line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.news-more{color:var(--brand-2);font-weight:600}
.empty-state{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:56px 24px;border-radius:var(--r-lg);border:1px dashed var(--border);
  background:#FBFAF8;color:var(--text-3);font-size:14.5px;text-align:center;gap:12px;
}
.empty-state .es-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(255,122,26,.14),rgba(16,201,182,.14));color:var(--brand-2);
}

/* ============ FAQ ============ */
.faq-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);padding:14px 10px;box-shadow:var(--shadow-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:14px;text-align:left;
  background:none;border:0;cursor:pointer;padding:20px 18px;color:var(--text);
  font-size:16px;font-weight:600;line-height:1.6;transition:color .2s;
}
.faq-q:hover{color:var(--brand-2)}
.faq-q .dot{
  width:9px;height:9px;flex:0 0 auto;border-radius:50%;background:var(--grad);margin-top:10px;
}
.faq-q .chev{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;color:var(--text-3);
  transition:transform .28s;margin-top:6px;
}
.faq-item.open .faq-q{color:var(--brand-2)}
.faq-item.open .chev{transform:rotate(180deg);color:var(--brand-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 18px 22px 41px;color:var(--text-2);font-size:14.5px;line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#A9AEB6;margin-top:auto}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;font-size:17px;border-radius:12px}
.footer-brand b{color:#fff;font-size:15.5px;font-weight:700}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;letter-spacing:.3px}
.footer-col p{font-size:13.5px;line-height:1.85;color:#8B9098}
.footer-col li{margin-bottom:9px}
.footer-col a{color:#A9AEB6;font-size:13.8px}
.footer-col a:hover{color:#FF9A3C}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#7C8189;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .wall{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .app-sidebar{transform:translateX(-100%);transition:transform .28s ease;width:270px;box-shadow:0 0 40px rgba(0,0,0,.4)}
  .app-sidebar.open{transform:translateX(0)}
  .main-area{margin-left:0;padding-top:56px}
  .mobile-bar{
    display:flex;align-items:center;gap:12px;
    position:fixed;top:0;left:0;right:0;height:56px;padding:0 14px;
    background:rgba(20,22,26,.96);backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,255,255,.08);z-index:70;
  }
  .hamburger{
    width:38px;height:38px;border-radius:11px;border:1px solid rgba(255,255,255,.14);
    background:rgba(255,255,255,.06);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  }
  .hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:#fff}
  .mobile-brand{color:#fff;font-size:14.5px;font-weight:700;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .drawer-mask{
    display:block;position:fixed;inset:0;background:rgba(20,22,26,.6);
    opacity:0;visibility:hidden;transition:opacity .28s,visibility .28s;z-index:75;
  }
  .drawer-mask.show{opacity:1;visibility:visible}
  .cta-card{grid-template-columns:1fr;padding:32px 24px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  .steps{grid-template-columns:1fr;gap:16px}
  .step-line{display:none}
}
@media (max-width:767px){
  .page-wrap{padding:0 18px}
  .section{padding:48px 0}
  .hero{min-height:auto;border-radius:22px}
  .hero-inner{padding:40px 24px}
  .hero-sub{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%}
  .hero-badges{gap:10px}
  .hbadge{padding:10px 14px}
  .hbadge b{font-size:21px}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;gap:12px}
  .wall-item.tall{grid-row:span 1}
  .news-grid{grid-template-columns:1fr;gap:16px}
  .grid-4,.grid-2,.grid-3{grid-template-columns:1fr}
  .countdown-bar{padding:12px 16px}
  .cd-right{width:100%;justify-content:space-between}
  .form-inline{grid-template-columns:1fr}
  .faq-q{padding:18px 14px;font-size:15px}
  .faq-a p{padding:0 14px 20px 37px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-inner h1{font-size:29px}
  .sec-head h2{font-size:23px}
  .cta-card{padding:26px 18px}
  .cta-form{padding:20px 16px}
}

/* roulang page: article */
:root{
  --brand-1:#FF7A1A;
  --brand-2:#FF3B6B;
  --brand-grad:linear-gradient(120deg,#FF7A1A 0%,#FF3B6B 100%);
  --brand-grad-soft:linear-gradient(120deg,rgba(255,122,26,.12),rgba(255,59,107,.12));
  --cyan:#10C9B6;
  --lemon:#FFD84D;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --text:#16181D;
  --text-2:#5B6068;
  --text-3:#8B9098;
  --border:#E8E3DC;
  --line:#EFEAE3;
  --ok:#18A058;
  --warn:#F5A524;
  --err:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-card:0 10px 30px rgba(22,24,29,.08);
  --shadow-hover:0 18px 44px rgba(255,59,107,.14);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
li{list-style:none}
::selection{background:rgba(255,122,26,.22)}

/* ============ 左侧 App Shell ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--dark);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;
  overflow-y:auto;
  z-index:70;
}
.app-sidebar::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(255,122,26,.85),rgba(16,201,182,.5) 55%,rgba(20,22,26,0));
  pointer-events:none;
}
.sidebar-close{
  display:none;position:absolute;top:14px;right:14px;
  width:32px;height:32px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);color:#C9CDD4;line-height:1;
}
.sidebar-close:hover{color:#fff;background:rgba(255,255,255,.12)}
.brand{
  display:flex;align-items:center;gap:12px;
  padding:0 6px 18px;margin-bottom:14px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{
  width:42px;height:42px;flex:none;border-radius:14px;
  background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:20px;
  box-shadow:0 8px 20px rgba(255,59,107,.35);
}
.brand-text b{display:block;color:#fff;font-size:15px;font-weight:800;line-height:1.35;letter-spacing:.01em}
.brand-text span{display:block;color:#8B9098;font-size:11px;line-height:1.5;margin-top:2px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:14px;
  color:#C9CDD4;font-size:14.5px;font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item svg{width:19px;height:19px;flex:none;opacity:.9}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.06);transform:translateX(3px)}
.nav-item.active{color:#fff;background:rgba(255,122,26,.12)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;
  border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--brand-1),var(--cyan));
}
.sidebar-foot{margin-top:auto;padding-top:26px}
.sidebar-note{font-size:12px;color:#7E838C;line-height:1.7;margin:12px 4px 0}
.sidebar-copy{font-size:11px;color:#5F646D;margin:14px 4px 0;line-height:1.6}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:60;
  height:56px;padding:0 14px;
  align-items:center;gap:12px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.burger{
  width:40px;height:40px;flex:none;border-radius:12px;
  border:1px solid var(--border);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--text);
}
.burger:hover{border-color:var(--brand-1);color:var(--brand-2)}
.mobile-brand{
  flex:1;min-width:0;font-size:14px;font-weight:800;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.55);
  opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:65;
}
.drawer-mask.open{opacity:1;pointer-events:auto}

/* ============ 主体布局 ============ */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.page-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}
main{flex:1}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,color .22s ease,background .22s ease;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(255,59,107,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px rgba(255,59,107,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,59,107,.28)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{color:var(--brand-2);border-color:var(--brand-1);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,26,.14)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:28px 0 18px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);line-height:1.7;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{color:#C6C0B8}
.crumb-cur{color:var(--text-3);max-width:520px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ============ 文章栅格 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:32px;align-items:start;padding-bottom:16px;
}
.article-panel{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--shadow-card);
  padding:40px 44px 44px;
}
.article-head{max-width:820px}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--brand-grad-soft);color:var(--brand-2);
  font-size:12.5px;font-weight:700;margin-bottom:16px;
  border:1px solid rgba(255,122,26,.22);
}
.article-head h1{
  font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.01em;
  color:var(--text);margin-bottom:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--text-3);
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D5CFC7}
.article-cover{margin:28px 0 8px;border-radius:20px;overflow:hidden;border:1px solid var(--border)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ============ 正文排版 ============ */
.article-body{max-width:820px;font-size:16.5px;line-height:1.95;color:#25282F;padding-top:12px}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);font-weight:700;line-height:1.4;
  color:var(--text);margin:2em 0 .75em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:1.6em 0 .55em;color:var(--text)}
.article-body h4{font-size:17px;font-weight:700;margin:1.3em 0 .5em;color:var(--text)}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.3em}
.article-body li{list-style:inherit;margin-bottom:.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body ul li::marker{color:var(--brand-1)}
.article-body ol li::marker{color:var(--brand-1);font-weight:700}
.article-body blockquote{
  position:relative;margin:1.7em 0;padding:20px 24px 20px 26px;
  background:#FFF6F0;border-radius:0 18px 18px 0;color:var(--text-2);font-size:15.5px;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;border-radius:5px 0 0 5px;
  background:var(--brand-grad);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:18px;margin:1.6em 0;box-shadow:var(--shadow-card)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--brand-2);border-bottom:1px solid rgba(255,59,107,.35)}
.article-body a:hover{color:var(--brand-1);border-bottom-color:var(--brand-1)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff;
}
.article-body th{background:#FBF7F3;font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:none}
.article-body code{
  background:#F5F1EC;border-radius:6px;padding:2px 7px;font-size:14px;color:var(--brand-2);
}
.article-body strong{font-weight:700;color:var(--text)}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:64px 24px;margin:24px 0;
  border:1px dashed var(--border);border-radius:var(--r-md);background:#FCFAF8;
}
.empty-state .icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
  background:var(--brand-grad-soft);display:flex;align-items:center;justify-content:center;color:var(--brand-2);
}
.empty-state h3{font-size:19px;font-weight:700;margin-bottom:8px}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:20px}

/* ============ 侧栏 ============ */
.article-side{position:relative}
.side-sticky{position:sticky;top:28px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-card);padding:22px;
}
.side-card h3{
  font-size:15.5px;font-weight:800;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-grad);flex:none;
}
.side-list li+li{margin-top:12px}
.side-list a{
  display:block;font-size:14px;color:var(--text-2);line-height:1.6;
  padding-left:14px;position:relative;
}
.side-list a::before{
  content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;
  background:var(--cyan);opacity:.7;transition:transform .2s ease,opacity .2s ease;
}
.side-list a:hover{color:var(--brand-2)}
.side-list a:hover::before{transform:scale(1.5);opacity:1}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);background:#F7F3EE;border:1px solid var(--border);
  transition:all .2s ease;
}
.tag:hover{color:var(--brand-2);border-color:rgba(255,122,26,.4);background:#FFF6F0}
.side-facts li{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--line);font-size:13.5px;
}
.side-facts li:last-child{border-bottom:none}
.side-facts span:first-child{color:var(--text-3)}
.side-facts span:last-child{color:var(--text);font-weight:700;font-variant-numeric:tabular-nums}

/* ============ CTA 区 ============ */
.cta-band{
  margin:56px 0 0;padding:44px 48px;border-radius:var(--r-lg);
  background:var(--brand-grad);color:#fff;position:relative;overflow:hidden;
  box-shadow:0 22px 54px rgba(255,59,107,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-band .cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3;margin-bottom:10px;color:#fff}
.cta-band p{font-size:15px;color:rgba(255,255,255,.9);margin:0;max-width:640px}
.cta-band .btn{background:#fff;color:var(--brand-2);box-shadow:0 12px 28px rgba(20,22,26,.16)}
.cta-band .btn:hover{color:var(--brand-2);transform:translateY(-2px)}

/* ============ 相关推荐 ============ */
.related-block{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{
  position:relative;font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3;padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.section-head .hint{font-size:13.5px;color:var(--text-3)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.4)}
.post-card .thumb{overflow:hidden}
.post-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-card .cat{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--cyan);
  background:rgba(16,201,182,.1);border:1px solid rgba(16,201,182,.24);
  padding:3px 10px;border-radius:999px;margin-bottom:12px;
}
.post-card h3{
  font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card h3 a:hover{color:var(--brand-2)}
.post-card p{
  font-size:14px;color:var(--text-2);line-height:1.75;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{margin-top:auto;font-size:12.5px;color:var(--text-3);display:flex;align-items:center;justify-content:space-between}
.back-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C9CDD4;margin-top:76px;padding-top:64px}
.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:12px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:15.5px;font-weight:800}
.footer-col p{font-size:13.5px;line-height:1.85;color:#9AA0A8;margin:0;max-width:340px}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:13.5px;color:#9AA0A8}
.footer-col ul a:hover{color:var(--brand-1)}
.footer-col ul li:not(:has(a)){font-size:13.5px;color:#9AA0A8}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 30px;font-size:12.5px;color:#6E737B;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:26px}
  .article-panel{padding:34px 32px 38px}
}
@media (max-width:1023px){
  :root{--sidebar-w:0px}
  .app-sidebar{transform:translateX(-100%);transition:transform .28s ease;width:266px;z-index:80}
  .app-sidebar.open{transform:translateX(0)}
  .sidebar-close{display:block}
  .app-main{margin-left:0}
  .mobile-bar{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{order:2}
  .side-sticky{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{padding:36px 30px}
}
@media (max-width:767px){
  .container,.page-wrap{padding:0 18px}
  .article-panel{padding:26px 20px 30px;border-radius:20px}
  .article-head h1{font-size:clamp(24px,6.4vw,30px)}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .crumb-bar{padding:20px 0 14px}
  .crumb-cur{max-width:180px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .cta-band{margin-top:44px;padding:30px 22px;border-radius:20px}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .related-block{margin-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .breadcrumb{font-size:12.5px}
}
@media (max-width:520px){
  .btn{width:100%}
  .btn-sm{width:auto}
  .article-meta{font-size:12.5px;gap:8px}
  .side-card{padding:18px}
}

/* roulang page: category1 */
:root{
    --brand-1:#FF7A1A;
    --brand-2:#FF3B6B;
    --brand-grad:linear-gradient(120deg,#FF7A1A 0%,#FF3B6B 100%);
    --brand-soft:linear-gradient(120deg,rgba(255,122,26,.12),rgba(255,59,107,.12));
    --cyan:#10C9B6;
    --cyan-soft:rgba(16,201,182,.12);
    --yellow:#FFD84D;
    --bg:#F7F5F2;
    --card:#FFFFFF;
    --dark:#14161A;
    --text:#16181D;
    --text-2:#5B6068;
    --text-3:#8B9098;
    --border:#E8E3DC;
    --line:#EFEAE3;
    --ok:#18A058;
    --warn:#F5A524;
    --err:#E5484D;
    --r-xl:28px;
    --r-lg:24px;
    --r-md:18px;
    --r-sm:14px;
    --sh:0 10px 30px rgba(22,24,29,.08);
    --sh-hover:0 18px 44px rgba(255,59,107,.14);
    --sh-dark:0 18px 44px rgba(0,0,0,.32);
    --sidebar-w:240px;
    --gap-sec:80px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--bg);color:var(--text);
    font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--brand-2)}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer;border:0;background:none}
  h1,h2,h3,h4{margin:0;font-weight:700}
  p{margin:0 0 1.1em}
  ul{margin:0;padding:0;list-style:none}
  .tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}

  /* ---------- App Shell ---------- */
  .app-shell{display:flex;min-height:100vh;width:100%}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:70;
    background:var(--dark);display:flex;flex-direction:column;
    padding:22px 16px 18px;border-right:1px solid rgba(232,227,220,.08);
  }
  .sidebar::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:1px;
    background:linear-gradient(180deg,transparent,rgba(255,122,26,.9) 32%,rgba(16,201,182,.85) 68%,transparent);
  }
  .brand{display:flex;align-items:center;gap:12px;padding:4px 8px 20px;text-decoration:none}
  .brand-mark{
    width:42px;height:42px;flex:0 0 auto;border-radius:14px;background:var(--brand-grad);
    color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;
    box-shadow:0 8px 22px rgba(255,59,107,.38);
  }
  .brand-text b{display:block;color:#fff;font-size:15px;line-height:1.3;font-weight:700;letter-spacing:.2px}
  .brand-text span{display:block;font-size:11.5px;color:#8B9098;margin-top:3px;letter-spacing:.4px}

  .sidebar-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:11px;
    padding:12px 13px;border-radius:14px;color:#C9CDD4;font-size:14.5px;
    transition:background .22s ease,color .22s ease,transform .22s ease;
  }
  .nav-item svg{width:19px;height:19px;flex:0 0 auto;opacity:.92}
  .nav-item:hover{color:#fff;background:rgba(255,255,255,.06);transform:translateX(3px)}
  .nav-item.active{color:#fff;background:rgba(255,122,26,.12)}
  .nav-item.active::before{
    content:"";position:absolute;left:0;top:11px;bottom:11px;width:4px;border-radius:0 4px 4px 0;
    background:linear-gradient(180deg,var(--brand-1),var(--cyan));
  }
  .side-cta{
    margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;
    height:48px;border-radius:999px;background:var(--brand-grad);color:#fff;
    font-size:14.5px;font-weight:700;box-shadow:0 12px 26px rgba(255,59,107,.32);
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  }
  .side-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 34px rgba(255,59,107,.42)}
  .side-cta:active{transform:translateY(0)}
  .side-foot{margin-top:14px;font-size:11.5px;line-height:1.7;color:#6B7078;padding:0 8px}
  .side-foot a{color:#8B9098}
  .side-foot a:hover{color:var(--brand-1)}

  .main-area{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column}
  .page-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}

  /* ---------- 移动端顶栏与抽屉 ---------- */
  .mobile-topbar{
    display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:80;
    background:rgba(20,22,26,.96);backdrop-filter:blur(10px);
    align-items:center;justify-content:space-between;padding:0 14px;
    border-bottom:1px solid rgba(232,227,220,.1);
  }
  .hamburger{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    color:#fff;background:rgba(255,255,255,.07);transition:background .2s ease;
  }
  .hamburger:hover{background:rgba(255,255,255,.14)}
  .hamburger svg{width:20px;height:20px}
  .topbar-brand{display:flex;align-items:center;gap:9px;color:#fff;font-size:14px;font-weight:700}
  .topbar-brand .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px}
  .topbar-cta{
    height:36px;padding:0 15px;border-radius:999px;background:var(--brand-grad);
    color:#fff;font-size:13px;font-weight:700;display:inline-flex;align-items:center;
  }
  .drawer-mask{
    display:none;position:fixed;inset:0;background:rgba(15,16,20,.62);z-index:88;opacity:0;
    transition:opacity .25s ease;
  }
  .drawer-mask.show{display:block;opacity:1}
  .drawer{
    position:fixed;top:0;left:0;bottom:0;width:270px;background:var(--dark);z-index:90;
    transform:translateX(-102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
    padding:18px 16px;display:flex;flex-direction:column;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08)}
  .drawer-close{width:36px;height:36px;border-radius:11px;background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;font-size:16px}

  /* ---------- 通用组件 ---------- */
  .section{padding:var(--gap-sec) 0}
  .section--tight{padding:56px 0}
  .sec-head{max-width:760px;margin-bottom:36px}
  .sec-title{
    position:relative;padding-left:17px;font-size:clamp(24px,2.7vw,33px);line-height:1.25;letter-spacing:-.3px;
  }
  .sec-title::before{
    content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:4px;background:var(--brand-grad);
  }
  .sec-sub{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:680px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:var(--cyan-soft);color:#0B7F73;font-size:12.5px;font-weight:700;letter-spacing:.4px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,border-color .2s ease}
  .btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 28px rgba(255,59,107,.3)}
  .btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 20px 40px rgba(255,59,107,.4)}
  .btn-primary:active{transform:translateY(0) scale(.99)}
  .btn-ghost{background:#fff;color:var(--text);border:1px solid var(--border)}
  .btn-ghost:hover{color:var(--brand-2);border-color:rgba(255,59,107,.55);box-shadow:0 10px 26px rgba(255,59,107,.12);transform:translateY(-2px)}
  .btn-light{background:#fff;color:var(--brand-2);box-shadow:0 12px 26px rgba(0,0,0,.16)}
  .btn-light:hover{color:var(--brand-1);transform:translateY(-2px)}
  .btn-line{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5)}
  .btn-line:hover{background:rgba(255,255,255,.22);color:#fff}

  .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700}
  .badge-orange{background:rgba(255,122,26,.13);color:#C24E00}
  .badge-cyan{background:var(--cyan-soft);color:#0B7F73}
  .badge-yellow{background:rgba(255,216,77,.28);color:#8A6100}
  .badge-dark{background:rgba(255,255,255,.14);color:#fff}

  .card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
    box-shadow:var(--sh);padding:26px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(255,122,26,.45)}

  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:26px 0 0}
  .crumb a{color:var(--text-2)}
  .crumb a:hover{color:var(--brand-2)}
  .crumb .sep{color:#C9C3BA}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;padding:34px 0 66px}
  .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center right;}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(247,245,242,.99) 0%,rgba(247,245,242,.94) 42%,rgba(247,245,242,.55) 68%,rgba(247,245,242,.25) 100%)}
  .hero-inner{position:relative;z-index:2}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
  .hero-title{
    font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.15;letter-spacing:-.8px;margin:18px 0 0;
  }
  .hero-title em{
    font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .hero-note{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:20px;font-size:13px;color:var(--text-3)}
  .hero-note span{display:inline-flex;align-items:center;gap:7px}
  .hero-note i{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block}

  .hero-media{position:relative}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 26px 60px rgba(22,24,29,.18);border:1px solid rgba(255,255,255,.8)}
  .float-card{
    position:absolute;left:-14px;bottom:-18px;background:#fff;border:1px solid var(--border);
    border-radius:var(--r-md);box-shadow:0 18px 40px rgba(22,24,29,.14);padding:14px 18px;
    display:flex;align-items:center;gap:12px;min-width:208px;
  }
  .float-card .dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(24,160,88,.15)}
  .float-card b{display:block;font-size:14px}
  .float-card small{color:var(--text-3);font-size:12px}

  /* ---------- 数据徽章卡 ---------- */
  .stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .stat-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px 26px;
    box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(16,201,182,.5)}
  .stat-num{display:flex;align-items:baseline;gap:6px;font-size:34px;font-weight:800;line-height:1;letter-spacing:-1px}
  .stat-num em{font-style:normal;font-size:15px;font-weight:700;color:var(--text-2)}
  .stat-card p{margin:12px 0 0;font-size:14px;color:var(--text-2);line-height:1.75}
  .stat-line{height:4px;border-radius:4px;background:var(--brand-soft);margin-bottom:16px}

  /* ---------- 图文交错 ---------- */
  .duo{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
  .duo + .duo{margin-top:64px}
  .duo-media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 20px 46px rgba(22,24,29,.14)}
  .duo.reverse .duo-media{order:2}
  .duo h3{font-size:clamp(20px,2.2vw,24px);line-height:1.35;margin-bottom:14px;letter-spacing:-.2px}
  .duo p{color:var(--text-2);font-size:15.5px}
  .tick-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
  .tick-list li{display:flex;gap:11px;font-size:15px;color:var(--text-2)}
  .tick-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:4px;color:var(--cyan)}

  /* ---------- 流程时间轴 ---------- */
  .flow-wrap{position:relative}
  .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .flow-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
  .flow-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(255,122,26,.45)}
  .flow-idx{
    width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;
    display:grid;place-items:center;font-weight:800;font-size:15px;box-shadow:0 8px 20px rgba(255,59,107,.3);
  }
  .flow-item h3{font-size:17px;margin:16px 0 8px}
  .flow-item p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75}
  .flow-item::after{
    content:"";position:absolute;top:46px;right:-16px;width:12px;height:2px;
    background:linear-gradient(90deg,rgba(255,122,26,.6),rgba(16,201,182,.6));border-radius:2px;
  }
  .flow-item:last-child::after{display:none}

  /* ---------- 对照卡 ---------- */
  .compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
  .compare-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease}
  .compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
  .compare-card img{width:100%;height:190px;object-fit:cover}
  .compare-body{padding:24px 26px}
  .compare-body h3{font-size:19px;margin-bottom:10px}
  .spec-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
  .spec-row:last-child{border-bottom:0}
  .spec-row span:first-child{color:var(--text-3)}
  .spec-row span:last-child{color:var(--text);font-weight:600;text-align:right}

  /* ---------- FAQ ---------- */
  .faq-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:last-child{border-bottom:0}
  .faq-q{
    width:100%;display:flex;align-items:flex-start;gap:14px;text-align:left;
    padding:22px 26px;font-size:16.5px;font-weight:700;color:var(--text);
    transition:background .2s ease,color .2s ease;
  }
  .faq-q:hover{background:#FCFAF7;color:var(--brand-2)}
  .faq-q .qn{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-grad);color:#fff;
    font-size:12.5px;font-weight:800;display:grid;place-items:center;margin-top:3px;
  }
  .faq-q .chev{margin-left:auto;flex:0 0 auto;width:20px;height:20px;color:var(--text-3);transition:transform .28s ease}
  .faq-item.open .faq-q{background:#FCFAF7}
  .faq-item.open .chev{transform:rotate(180deg);color:var(--brand-2)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .faq-a-inner{padding:0 26px 24px 66px;color:var(--text-2);font-size:15px;line-height:1.85}

  /* ---------- CTA / 表单 ---------- */
  .cta-card{
    position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px;
    background:linear-gradient(120deg,#FF7A1A 0%,#FF3B6B 100%);
    box-shadow:0 26px 60px rgba(255,59,107,.28);
    display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;color:#fff;
  }
  .cta-card::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.14);top:-140px;right:-80px}
  .cta-card::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(16,201,182,.22);bottom:-130px;left:-60px}
  .cta-card > *{position:relative;z-index:2}
  .cta-title{font-size:clamp(24px,2.8vw,33px);font-weight:800;line-height:1.25;letter-spacing:-.4px}
  .cta-text{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.92);max-width:460px}
  .cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:rgba(255,255,255,.94)}
  .cta-points li{display:flex;align-items:center;gap:10px}
  .cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--yellow)}

  .form-card{
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);
    border-radius:var(--r-lg);padding:26px;backdrop-filter:blur(8px);
  }
  .field{margin-bottom:16px}
  .field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.88);margin-bottom:8px}
  .input{
    width:100%;height:50px;border-radius:var(--r-sm);border:1px solid #E8E3DC;background:#fff;
    color:var(--text);padding:0 16px;font-size:15px;transition:box-shadow .2s ease,border-color .2s ease;
  }
  .input::placeholder{color:#A9AEB5}
  .input:focus{outline:none;border-color:rgba(255,122,26,.9);box-shadow:0 0 0 4px rgba(255,122,26,.22)}
  .agree{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:rgba(255,255,255,.9);line-height:1.7;margin:4px 0 18px}
  .agree input{width:16px;height:16px;margin-top:3px;accent-color:#FF3B6B;flex:0 0 auto}
  .form-tip{display:none;margin-top:14px;padding:11px 14px;border-radius:12px;background:rgba(255,255,255,.9);color:#0B7F73;font-size:13.5px;font-weight:600}
  .form-tip.show{display:block}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--dark);color:#C9CDD4;margin-top:auto;padding:58px 0 26px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
  .footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
  .brand-mark.sm{width:34px;height:34px;border-radius:11px;font-size:15px}
  .footer-brand b{color:#fff;font-size:15px}
  .footer-col p{font-size:13.5px;line-height:1.8;color:#9AA0A8;max-width:330px}
  .footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.3px}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col li{font-size:13.5px;color:#9AA0A8}
  .footer-col a{color:#9AA0A8}
  .footer-col a:hover{color:var(--brand-1)}
  .footer-bottom{
    margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:12.5px;color:#787E86;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .sidebar{display:none}
    .mobile-topbar{display:flex}
    .main-area{margin-left:0;padding-top:56px}
    .hero{padding:26px 0 54px}
    .hero-grid{grid-template-columns:1fr;gap:34px}
    .hero-bg::after{background:linear-gradient(180deg,rgba(247,245,242,.96),rgba(247,245,242,.88))}
    .hero-media{max-width:640px}
    .float-card{left:12px;bottom:-16px}
    .stats-grid{grid-template-columns:repeat(3,1fr)}
    .duo{grid-template-columns:1fr;gap:28px}
    .duo.reverse .duo-media{order:0}
    .flow-grid{grid-template-columns:repeat(2,1fr)}
    .flow-item::after{display:none}
    .cta-card{grid-template-columns:1fr;gap:30px;padding:34px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    :root{--gap-sec:64px}
  }
  @media (max-width:767px){
    .page-wrap{padding:0 18px}
    .stats-grid{grid-template-columns:1fr;gap:16px}
    .flow-grid{grid-template-columns:1fr;gap:16px}
    .compare-grid{grid-template-columns:1fr}
    .hero-actions .btn{width:100%}
    .hero-note{gap:8px 14px}
    .section{padding:52px 0}
    .card,.stat-card,.flow-item{padding:22px}
    .faq-q{padding:18px 20px;font-size:15.5px}
    .faq-a-inner{padding:0 20px 20px 60px}
    .cta-card{padding:26px}
    .form-card{padding:20px}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;gap:8px}
    .sec-head{margin-bottom:26px}
  }
  @media (max-width:519px){
    .hero-title{font-size:30px;line-height:1.2}
    .float-card{position:static;margin-top:14px;width:100%}
    .brand-text b{font-size:14px}
  }

/* roulang page: category2 */
:root{
  --brand-1:#FF7A1A;
  --brand-2:#FF3B6B;
  --cyan:#10C9B6;
  --lemon:#FFD84D;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --ink:#16181D;
  --sub:#5B6068;
  --weak:#8B9098;
  --line:#E8E3DC;
  --split:#EFEAE3;
  --ok:#18A058;
  --warn:#F5A524;
  --err:#E5484D;
  --r-xl:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 10px 30px rgba(22,24,29,.08);
  --sh-h:0 18px 44px rgba(255,59,107,.14);
  --grad:linear-gradient(120deg,#FF7A1A 0%,#FF3B6B 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,122,26,.12) 0%,rgba(255,59,107,.10) 100%);
  --side:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border-style:none;}
button,input,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 左侧 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side);height:100vh;z-index:60;
  background:var(--dark);
  padding:22px 16px 20px;
  display:flex;flex-direction:column;
}
.sidebar::after{
  content:"";position:absolute;top:0;right:0;width:2px;height:100%;
  background:linear-gradient(180deg,rgba(255,122,26,.75),rgba(16,201,182,.30),rgba(255,122,26,0));
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 20px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,59,107,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand-text b{color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.2px;}
.brand-text span{color:#8B9098;font-size:11px;}
.sidebar-nav{display:flex;flex-direction:column;gap:6px;margin-top:2px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:var(--r-sm);
  color:#C9CDD4;font-size:14px;font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item svg{width:19px;height:19px;flex:0 0 19px;opacity:.85;}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.06);transform:translateX(3px);}
.nav-item.active{color:#fff;background:rgba(255,122,26,.14);}
.nav-item.active::before{
  content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,#FF7A1A,#10C9B6);
}
.sidebar-cta{
  margin-top:auto;display:block;text-align:center;
  padding:13px 16px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14px;
  box-shadow:0 10px 24px rgba(255,59,107,.30);
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease;
}
.sidebar-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 32px rgba(255,59,107,.38);}
.sidebar-cta:active{transform:translateY(0);}
.sidebar-note{margin-top:12px;font-size:11.5px;color:#6C7280;line-height:1.6;}

/* ============ 移动端顶栏 & 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.55);
  z-index:55;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-bar{
  display:none;position:sticky;top:0;z-index:50;height:56px;
  align-items:center;gap:12px;padding:0 14px;background:var(--dark);color:#fff;
}
.hamburger{
  width:38px;height:38px;border-radius:11px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.hamburger svg{width:20px;height:20px;}
.mobile-brand{font-size:13px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.mobile-cta{
  margin-left:auto;padding:9px 16px;border-radius:999px;background:var(--grad);
  color:#fff;font-size:13px;font-weight:700;white-space:nowrap;
}

/* ============ 主内容区 ============ */
.main-area{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column;}
.page-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;margin-top:30px;
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(120deg,#FFFFFF 0%,#FFF4EC 52%,#FFEAF1 100%);
  box-shadow:var(--sh);
}
.hero::before{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.20),rgba(255,122,26,0) 68%);
}
.hero::after{
  content:"";position:absolute;left:-70px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,201,182,.18),rgba(16,201,182,0) 70%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center;
  padding:44px 42px;
}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,122,26,.14);color:#D64A12;
  font-size:12.5px;font-weight:700;letter-spacing:.2px;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(255,59,107,.16);}
.hero h1{
  margin:16px 0 14px;
  font-size:clamp(30px,4.2vw,48px);
  font-weight:800;line-height:1.16;letter-spacing:-.4px;
}
.hero h1 .grad{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{color:var(--sub);font-size:16.5px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badge{
  display:flex;flex-direction:column;gap:2px;
  padding:11px 18px;border-radius:999px;
  background:rgba(255,255,255,.86);border:1px solid var(--line);
  box-shadow:0 6px 16px rgba(22,24,29,.05);
}
.badge b{font-size:19px;font-weight:800;line-height:1.2;color:var(--ink);}
.badge b em{font-style:normal;font-size:12px;font-weight:600;color:var(--sub);margin-left:3px;}
.badge span{font-size:12px;color:var(--weak);}
.badge.cyan{background:rgba(16,201,182,.10);border-color:rgba(16,201,182,.28);}
.badge.cyan b{color:#0B8F84;}
.badge.lemon{background:rgba(255,216,77,.22);border-color:rgba(245,180,0,.35);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;border:1px solid rgba(255,255,255,.7);
  box-shadow:0 20px 46px rgba(22,24,29,.14);
}
.hero-float{
  position:absolute;left:16px;bottom:16px;
  display:flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:999px;
  background:rgba(20,22,26,.80);backdrop-filter:blur(8px);
  color:#fff;font-size:12.5px;font-weight:600;
}
.hero-float b{font-size:17px;font-weight:800;color:var(--lemon);}

/* ============ 锚点筛选条 ============ */
.anchor-bar{
  position:sticky;top:0;z-index:40;margin-top:26px;
  background:rgba(247,245,242,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:13px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--sub);
  transition:.22s ease;white-space:nowrap;
}
.chip:hover{border-color:#FFB27A;color:#D64A12;transform:translateY(-1px);}
.chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(255,59,107,.24);}

/* ============ 通用区块 ============ */
.section{padding:72px 0 0;}
.section.tight{padding-top:56px;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.sec-head h2{
  position:relative;padding-left:17px;
  font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.28;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:26px;border-radius:999px;background:var(--grad);
}
.sec-head p{color:var(--sub);font-size:14.5px;max-width:560px;line-height:1.75;}

/* ============ 活动卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.act-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.act-card:hover{transform:translateY(-5px);box-shadow:var(--sh-h);border-color:#FFD3B8;}
.thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#F1EDE7;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.act-card:hover .thumb img{transform:scale(1.05);}
.tag{
  position:absolute;left:13px;top:13px;
  padding:5px 12px;border-radius:999px;
  background:rgba(20,22,26,.74);backdrop-filter:blur(6px);
  color:#fff;font-size:12px;font-weight:600;letter-spacing:.2px;
}
.tag.ok{background:rgba(24,160,88,.88);}
.tag.warn{background:rgba(245,165,36,.92);color:#3A2A00;}
.act-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.act-body h3{font-size:19px;font-weight:700;line-height:1.4;}
.act-body p{color:var(--sub);font-size:14.5px;line-height:1.75;}
.act-meta{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding-top:14px;border-top:1px solid var(--split);
  font-size:12.5px;color:var(--weak);
}
.act-meta .mini{padding:4px 10px;border-radius:999px;background:rgba(16,201,182,.12);color:#0B8F84;font-weight:600;}

/* ============ 要点清单 ============ */
.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.point{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:0 6px 18px rgba(22,24,29,.05);
  transition:border-color .24s ease,transform .24s ease;
}
.point:hover{border-color:#FFD3B8;transform:translateY(-2px);}
.point .ico{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:var(--grad-soft);color:#D64A12;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.point h3{font-size:16.5px;font-weight:700;margin-bottom:4px;}
.point p{color:var(--sub);font-size:14px;line-height:1.72;}

/* ============ 时间轴 ============ */
.timeline-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px 30px;box-shadow:var(--sh);
}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative;}
.tl-item{position:relative;padding-top:52px;}
.tl-num{
  position:absolute;left:0;top:0;
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,59,107,.26);
}
.tl-item h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.tl-item p{color:var(--sub);font-size:13.5px;line-height:1.7;}
.tl-item::after{
  content:"";position:absolute;left:50px;top:18px;height:2px;right:-16px;
  background:linear-gradient(90deg,rgba(255,122,26,.45),rgba(16,201,182,.12));
}
.tl-item:last-child::after{display:none;}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:var(--r-xl);
  padding:40px;color:#fff;
  display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.30),rgba(255,122,26,0) 68%);
}
.cta-card::after{
  content:"";position:absolute;left:-60px;bottom:-110px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,201,182,.24),rgba(16,201,182,0) 70%);
}
.cta-copy{position:relative;z-index:2;}
.cta-copy .pill{background:rgba(255,122,26,.20);color:#FFC79A;}
.cta-copy h2{margin:14px 0 12px;font-size:clamp(22px,2.5vw,31px);font-weight:800;line-height:1.3;color:#fff;}
.cta-copy p{color:#A9AFB8;font-size:14.8px;line-height:1.8;max-width:520px;}
.cta-copy ul{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.cta-copy li{
  padding:6px 13px;border-radius:999px;font-size:12.5px;
  background:rgba(255,255,255,.08);color:#DCE0E5;border:1px solid rgba(255,255,255,.10);
}
.cta-form{
  position:relative;z-index:2;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:24px;
  display:flex;flex-direction:column;gap:15px;
}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;color:#A9AFB8;}
.field input,.field select{
  height:50px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  padding:0 14px;font-size:15px;color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field select{appearance:none;cursor:pointer;}
.field input::placeholder{color:#7C828C;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,122,26,.20);
}
.check-row{display:flex;align-items:flex-start;gap:9px;font-size:12.8px;color:#A9AFB8;line-height:1.6;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:#FF7A1A;flex:0 0 16px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,59,107,.28);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,59,107,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:#FFB27A;color:#D64A12;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:#FFD3B8;}
.faq-item.open{box-shadow:var(--sh);border-color:#FFD3B8;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q .bullet{
  width:9px;height:9px;flex:0 0 9px;border-radius:50%;
  background:var(--grad);
}
.faq-q .arrow{
  margin-left:auto;width:20px;height:20px;flex:0 0 20px;color:var(--weak);
  transition:transform .25s ease,color .25s ease;
}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);color:var(--brand-2);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{
  padding:0 22px 20px 42px;color:var(--sub);font-size:14.8px;line-height:1.82;
  border-top:1px solid var(--split);padding-top:14px;margin:0 0 0 0;
}
.faq-item.open .faq-a{max-height:420px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C9CDD4;margin-top:84px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.05fr;gap:32px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;font-size:14px;}
.footer-col a{transition:color .2s ease;}
.footer-col a:hover{color:#FF9A4D;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:15px;}
.footer-brand b{color:#fff;font-size:15px;font-weight:700;}
.footer-col p{font-size:14px;line-height:1.8;color:#A9AFB8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);
  font-size:12px;color:#8B9098;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-wrap{padding:0 22px;}
  .hero-grid{padding:38px 32px;gap:26px;}
  .cta-card{padding:34px;}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);transition:transform .28s ease;box-shadow:0 0 60px rgba(0,0,0,.45);}
  .sidebar.open{transform:translateX(0);}
  .main-area{margin-left:0;}
  .mobile-bar{display:flex;}
  .nav-item.active::before{left:-16px;}
  .anchor-bar{top:56px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid > *{margin-top:0 !important;transform:none !important;}
  .point-list{grid-template-columns:1fr;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:20px;}
  .tl-item::after{display:none;}
  .cta-card{grid-template-columns:1fr;}
  .hero-grid{grid-template-columns:1fr;padding:32px 26px;}
  .hero-visual img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
}
@media (max-width:767px){
  .section{padding-top:52px;}
  .site-footer{margin-top:60px;padding:44px 0 22px;}
  .sec-head h2::before{height:22px;}
}
@media (max-width:639px){
  .page-wrap{padding:0 16px;}
  .hero{margin-top:16px;border-radius:20px;}
  .hero-grid{padding:26px 20px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .card-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .cta-card{padding:26px 20px;border-radius:20px;}
  .timeline-wrap{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a p{padding:14px 18px 18px 18px;}
}

/* roulang page: category3 */
:root{
  --brand-1:#FF7A1A;
  --brand-2:#FF3B6B;
  --cyan:#10C9B6;
  --lemon:#FFD84D;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --dark:#14161A;
  --text:#16181D;
  --text-2:#5B6068;
  --text-3:#8B9098;
  --line:#E8E3DC;
  --line-soft:#EFEAE3;
  --ok:#18A058;
  --warn:#F5A524;
  --err:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 10px 30px rgba(22,24,29,.08);
  --shadow-hover:0 18px 44px rgba(255,59,107,.14);
  --grad:linear-gradient(120deg,#FF7A1A 0%,#FF3B6B 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,122,26,.14),rgba(255,59,107,.12));
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:#16181D;text-decoration:none;transition:color .22s ease,border-color .22s ease,background .22s ease;}
a:hover{color:#FF3B6B;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid #FF7A1A;outline-offset:3px;border-radius:8px;}

/* ============ 布局骨架 ============ */
.app-shell{min-height:100vh;}
.main-area{margin-left:240px;min-height:100vh;display:flex;flex-direction:column;}
.page-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;color:#FF3B6B;
  background:var(--grad-soft);border:1px solid rgba(255,122,26,.22);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
h2.section-title{font-size:30px;line-height:1.3;font-weight:700;position:relative;padding-left:16px;}
h2.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;
  background:var(--grad);
}
.section-sub{margin-top:12px;color:var(--text-2);font-size:16px;line-height:1.85;}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:240px;
  background:var(--dark);
  border-right:1px solid rgba(255,255,255,.07);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  z-index:60;
  overflow-y:auto;
}
.sidebar::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(255,122,26,.7),rgba(16,201,182,.55),rgba(255,122,26,0));
  opacity:.5;
}
.brand{
  display:flex;align-items:center;gap:11px;
  padding:6px 8px 20px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:18px;
}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:var(--grad);color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,59,107,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.35;}
.brand-text b{color:#fff;font-size:14px;font-weight:700;letter-spacing:.01em;}
.brand-text span{color:#8B9098;font-size:11px;letter-spacing:.06em;}
.sidebar-nav{display:flex;flex-direction:column;gap:6px;flex:1;}
.nav-item{
  display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:12px;
  color:#C9CDD4;font-size:14.5px;font-weight:500;
  position:relative;transition:all .22s ease;
}
.nav-item svg{width:19px;height:19px;flex:0 0 19px;opacity:.85;}
.nav-item::before{
  content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%);
  width:4px;height:0;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,#FF7A1A,#10C9B6);
  transition:height .22s ease;
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.06);transform:translateX(3px);}
.nav-item.active{color:#fff;background:rgba(255,122,26,.14);}
.nav-item.active::before{height:22px;}
.nav-item.active svg{opacity:1;color:#FF7A1A;}
.sidebar-foot{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.sidebar-cta{
  display:block;text-align:center;padding:12px 10px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 10px 24px rgba(255,59,107,.3);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.sidebar-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,59,107,.38);}
.sidebar-note{font-size:11.5px;color:#6B7078;line-height:1.7;padding:0 4px;}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:70;
  height:56px;align-items:center;justify-content:space-between;
  padding:0 14px;background:var(--dark);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-topbar .mt-brand{display:flex;align-items:center;gap:9px;color:#fff;font-size:14px;font-weight:700;}
.mobile-topbar .mt-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:15px;}
.menu-btn{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#fff;
}
.menu-btn svg{width:20px;height:20px;}
.mt-cta{
  padding:8px 15px;border-radius:var(--r-pill);background:var(--grad);
  color:#fff;font-size:13px;font-weight:700;
}
.mt-cta:hover{color:#fff;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,13,16,.62);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-close{
  position:absolute;top:16px;right:14px;width:32px;height:32px;border-radius:10px;
  background:rgba(255,255,255,.08);color:#C9CDD4;display:flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:16px;height:16px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(255,59,107,.28);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,59,107,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line);}
.btn-ghost:hover{color:#FF3B6B;border-color:rgba(255,59,107,.5);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;line-height:1.6;
}
.badge-orange{background:rgba(255,122,26,.13);color:#D9541A;}
.badge-cyan{background:rgba(16,201,182,.14);color:#0A8E80;}
.badge-lemon{background:rgba(255,216,77,.28);color:#8A6600;}
.badge-ok{background:rgba(24,160,88,.13);color:#12784A;}
.badge-err{background:rgba(229,72,77,.12);color:#B93338;}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(247,245,242,.97) 0%,rgba(247,245,242,.9) 48%,rgba(247,245,242,.72) 100%),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:66px 0 70px;
}
.hero-copy h1{
  font-size:clamp(30px,3.4vw,48px);line-height:1.16;font-weight:800;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-copy h1 .grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:var(--text-2);line-height:1.9;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--r-lg);object-fit:cover;aspect-ratio:4/3;
  box-shadow:0 26px 60px rgba(22,24,29,.18);
  border:1px solid rgba(255,255,255,.7);
}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:12px;
}
.hero-float .hf-num{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-float .hf-txt{font-size:12.5px;color:var(--text-3);line-height:1.5;}

/* ============ 数据徽章卡 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:-34px;position:relative;z-index:5;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.35);}
.stat-num{font-size:30px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-num small{font-size:14px;font-weight:700;margin-left:3px;}
.stat-label{font-size:14.5px;font-weight:700;margin-top:8px;}
.stat-desc{font-size:13px;color:var(--text-3);margin-top:4px;line-height:1.7;}

/* ============ 主体两栏 + 粘性索引 ============ */
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.sticky-index{
  position:sticky;top:28px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 18px;box-shadow:var(--shadow);
}
.sticky-index h3{font-size:16px;font-weight:800;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line-soft);}
.index-list li{margin-bottom:6px;}
.index-list a{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14px;color:var(--text-2);padding:7px 8px;border-radius:10px;line-height:1.6;
}
.index-list a:hover{background:rgba(255,122,26,.08);color:#FF3B6B;}
.index-list .idx-dot{
  width:7px;height:7px;flex:0 0 7px;border-radius:50%;margin-top:8px;
  background:linear-gradient(120deg,#FF7A1A,#10C9B6);
}
.index-tip{
  margin-top:16px;padding:14px;border-radius:var(--r-sm);
  background:rgba(16,201,182,.08);border:1px solid rgba(16,201,182,.22);
  font-size:13px;color:#0A7C70;line-height:1.75;
}

/* ============ 图文交替清单 ============ */
.figure-row{
  display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;
  margin-bottom:34px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow);
  transition:box-shadow .24s ease,border-color .24s ease;
}
.figure-row:hover{box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.28);}
.figure-row.reverse .figure-media{order:2;}
.figure-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-md);}
.figure-body h3{font-size:21px;font-weight:700;margin-bottom:12px;}
.figure-body p{color:var(--text-2);font-size:15.5px;line-height:1.85;}
.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(--text-2);line-height:1.7;}
.check-list .ck{
  width:20px;height:20px;flex:0 0 20px;border-radius:50%;margin-top:3px;
  background:rgba(16,201,182,.15);color:#0A8E80;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}

/* ============ 对比卡（规格卡） ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow);
}
.compare-card.safe{border-top:4px solid var(--ok);}
.compare-card.risk{border-top:4px solid var(--err);}
.compare-card h3{font-size:19px;font-weight:800;margin-bottom:6px;}
.compare-card .cc-sub{font-size:13.5px;color:var(--text-3);margin-bottom:16px;}
.compare-card ul{display:flex;flex-direction:column;gap:12px;}
.compare-card li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;padding-bottom:12px;border-bottom:1px dashed var(--line-soft);}
.compare-card li:last-child{border-bottom:none;padding-bottom:0;}
.mark{width:20px;height:20px;flex:0 0 20px;border-radius:6px;margin-top:4px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;}
.mark-ok{background:rgba(24,160,88,.14);color:#12784A;}
.mark-no{background:rgba(229,72,77,.13);color:#B93338;}

/* ============ 规格信息卡组 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(255,59,107,.28);}
.spec-card h4{font-size:15.5px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.spec-card p{font-size:13.5px;color:var(--text-2);line-height:1.8;}
.spec-ico{
  width:30px;height:30px;border-radius:10px;flex:0 0 30px;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  background:var(--grad-soft);color:#FF3B6B;
}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#FF7A1A,#10C9B6);
}
.tl-item{position:relative;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-29px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid #FF7A1A;box-shadow:0 0 0 4px rgba(255,122,26,.12);
}
.tl-item h4{font-size:17px;font-weight:800;margin-bottom:5px;}
.tl-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:10px 22px;box-shadow:var(--shadow);
}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 0;text-align:left;color:var(--text);
}
.faq-q h3{font-size:16.5px;font-weight:700;flex:1;line-height:1.6;}
.faq-num{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.faq-chev{width:18px;height:18px;flex:0 0 18px;color:var(--text-3);transition:transform .26s ease,color .26s ease;}
.faq-item.open .faq-chev{transform:rotate(180deg);color:#FF3B6B;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{
  font-size:14.5px;color:var(--text-2);line-height:1.9;
  padding:0 0 20px 40px;
}
.faq-item.open .faq-q h3{color:#FF3B6B;}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.32);}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.related-card:hover img{transform:scale(1.03);}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:17.5px;font-weight:800;line-height:1.4;}
.related-body p{font-size:14px;color:var(--text-2);line-height:1.8;flex:1;}
.related-link{font-size:14px;font-weight:700;color:#FF3B6B;display:inline-flex;align-items:center;gap:6px;}
.related-link::after{content:"→";transition:transform .22s ease;}
.related-card:hover .related-link::after{transform:translateX(4px);}

/* ============ CTA 大卡 ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#1B1D22 0%,#14161A 55%,#231820 100%);
  border-radius:var(--r-lg);padding:44px 46px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;
  box-shadow:0 24px 60px rgba(20,22,26,.28);
}
.cta-card::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,26,.34),rgba(255,59,107,0) 70%);
}
.cta-card h2{color:#fff;font-size:28px;font-weight:800;line-height:1.3;margin-bottom:12px;position:relative;}
.cta-card p{color:#B9BEC6;font-size:15.5px;line-height:1.85;position:relative;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;}
.cta-list{display:flex;flex-direction:column;gap:9px;margin-top:6px;}
.cta-list li{display:flex;gap:9px;align-items:center;font-size:13.5px;color:#C9CDD4;}

/* ============ 表单 ============ */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow);margin-top:20px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13.5px;font-weight:700;color:var(--text-2);}
.field input{
  height:50px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:0 15px;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus{
  outline:none;border-color:#FF7A1A;box-shadow:0 0 0 4px rgba(255,122,26,.14);
}
.field input::placeholder{color:#B4B8BF;}
.checkline{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:18px;}
.checkline input{width:16px;height:16px;margin-top:4px;accent-color:#FF3B6B;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#9AA0A8;margin-top:auto;}
.site-footer .page-wrap{padding-top:56px;padding-bottom:26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand b{color:#fff;font-size:15px;font-weight:700;}
.footer-col p{font-size:13.5px;line-height:1.85;color:#8B9098;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col ul li a,.footer-col ul li{font-size:13.5px;color:#9AA0A8;line-height:1.7;}
.footer-col ul li a:hover{color:#FF7A1A;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:#6B7078;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-wrap{padding:0 22px;}
  .content-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);transition:transform .28s ease;width:262px;
    box-shadow:0 0 40px rgba(0,0,0,.4);
  }
  .sidebar.open{transform:translateX(0);}
  .main-area{margin-left:0;}
  .mobile-topbar{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 0 52px;}
  .hero-visual{max-width:560px;}
  .stat-grid{grid-template-columns:1fr;gap:16px;margin-top:24px;}
  .content-layout{grid-template-columns:1fr;}
  .sticky-index{position:static;order:-1;margin-bottom:26px;}
  .figure-row{grid-template-columns:1fr;gap:22px;}
  .figure-row.reverse .figure-media{order:0;}
  .compare-grid{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .cta-card{grid-template-columns:1fr;padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:54px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .page-wrap{padding:0 16px;}
  .section{padding:44px 0;}
  h2.section-title{font-size:24px;}
  .spec-grid,.related-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .hero-copy h1{font-size:31px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-float{left:0;bottom:-14px;padding:12px 14px;}
  .stat-num{font-size:26px;}
  .figure-row{padding:20px;}
  .faq-wrap{padding:6px 16px;}
  .faq-q{padding:16px 0;}
  .faq-a p{padding-left:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-card h2{font-size:23px;}
  .timeline{padding-left:28px;}
}
@media (max-width:520px){
  .hero-float{position:static;margin-top:14px;left:auto;bottom:auto;}
  .cta-card{padding:28px 20px;}
  .compare-card,.sticky-index,.faq-wrap{padding-left:18px;padding-right:18px;}
}