/* roulang page: index */
:root{
  --brand:#6C4BFF; --brand-hover:#5A38F0; --brand-active:#4B2CD9; --brand-soft:#EFEBFF;
  --mint:#12C9A6; --mint-deep:#0B7F6B; --mint-soft:#E6F8F3;
  --flame:#FF6A2C; --flame-hover:#F2551A;
  --ink:#0E1020; --panel:#171A2E; --line-dark:#262A45;
  --canvas:#F6F7FB; --card:#FFFFFF; --line:#E6E8F2;
  --t1:#14162B; --t2:#5A5F7A; --t3:#8B90A8;
  --r-card:16px; --r-img:12px; --r-pill:999px; --r-input:10px;
  --sh-1:0 1px 2px rgba(14,16,32,.06);
  --sh-2:0 12px 32px -12px rgba(108,75,255,.28);
  --sh-flame:0 8px 24px -8px rgba(255,106,44,.5);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--canvas);color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.7;letter-spacing:0;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
@media (min-width:768px){ body{padding-bottom:0;} }
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(108,75,255,.45);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container-xl{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;}
@media (min-width:768px){ .container-xl{padding:0 24px;} }
@media (min-width:1280px){ .container-xl{padding:0 32px;} }

.sec{padding:56px 0;}
@media (min-width:768px){ .sec{padding:76px 0;} }
@media (min-width:1024px){ .sec{padding:96px 0;} }

.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;}
.sec-title{font-size:24px;line-height:1.3;}
@media (min-width:768px){ .sec-title{font-size:30px;} }
.sec-sub{color:var(--t2);font-size:14px;margin-top:8px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:5px 12px;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px -14px rgba(14,16,32,.35);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:18px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,#8E6BFF 100%);
  color:#fff;font-size:15px;font-weight:800;box-shadow:0 6px 16px -8px rgba(108,75,255,.9);
}
.nav-links{display:none;align-items:center;gap:4px;}
@media (min-width:768px){ .nav-links{display:flex;} }
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:15px;color:var(--t2);
  font-weight:600;transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:none;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--t2);transition:all .2s ease;
}
@media (min-width:768px){ .icon-btn{display:grid;} }
.icon-btn:hover{color:var(--brand);border-color:#D9D2FF;background:var(--brand-soft);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:15px;padding:0 22px;height:46px;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--flame);color:#fff;box-shadow:var(--sh-flame);}
.btn-primary:hover{background:var(--flame-hover);transform:translateY(-1px);box-shadow:0 12px 28px -10px rgba(255,106,44,.6);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-solid-brand{background:var(--brand);color:#fff;box-shadow:0 10px 26px -12px rgba(108,75,255,.9);}
.btn-solid-brand:hover{background:var(--brand-hover);transform:translateY(-1px);}
.btn-ghost{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);}
.btn-sm{height:38px;font-size:14px;padding:0 16px;}
.btn-block{width:100%;}
@media (max-width:640px){ .btn-block-sm{width:100%;} }

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(14,16,32,.95) 0%,rgba(14,16,32,.82) 45%,rgba(23,26,46,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.95;
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.16;
  background-image:repeating-linear-gradient(115deg,rgba(108,75,255,.55) 0 1px,transparent 1px 44px);
}
.hero-glow{
  position:absolute;width:620px;height:620px;right:-160px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,75,255,.55) 0%,rgba(108,75,255,0) 68%);
}
.hero-inner{position:relative;display:grid;gap:40px;padding:56px 0 64px;}
@media (min-width:1024px){ .hero-inner{grid-template-columns:1.08fr .92fr;align-items:center;padding:84px 0 92px;gap:56px;} }
.hero h1{font-size:30px;line-height:1.25;}
@media (min-width:640px){ .hero h1{font-size:38px;} }
@media (min-width:1024px){ .hero h1{font-size:46px;} }
.hero-lead{margin-top:16px;color:rgba(255,255,255,.78);font-size:16px;max-width:560px;}
@media (min-width:768px){ .hero-lead{font-size:17px;} }
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  padding:7px 13px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.88);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:block;}

.hero-card{
  position:relative;background:rgba(23,26,46,.9);border:1px solid var(--line-dark);
  border-radius:22px;padding:16px;box-shadow:0 30px 70px -30px rgba(0,0,0,.85);
}
.hero-card img{border-radius:var(--r-img);width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDEFF7;}
.hero-badge{
  position:absolute;top:28px;left:28px;background:var(--flame);color:#fff;font-size:12px;
  font-weight:700;padding:6px 12px;border-radius:var(--r-pill);box-shadow:var(--sh-flame);
}
.hero-card-body{padding:16px 6px 6px;}
.hero-card-body h2{font-size:18px;}
.hero-card-body p{color:rgba(255,255,255,.66);font-size:14px;margin-top:8px;}
.hero-card-actions{display:flex;gap:10px;margin-top:16px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px;border-top:1px solid var(--line-dark);padding-top:20px;}
.hero-stats strong{display:block;font-size:20px;color:#fff;}
.hero-stats span{font-size:12px;color:rgba(255,255,255,.55);}

/* 通用卡片 */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  overflow:hidden;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD3FF;}
.card-cover{position:relative;overflow:hidden;background:#EDEFF7;}
.card-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;line-height:1.45;}
.card:hover .card-title{color:var(--brand);}
.card-desc{color:var(--t2);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:5px 11px;border-radius:var(--r-pill);
}
.badge-flame{background:#FFEDE5;color:var(--flame-hover);}
.badge-mint{background:var(--mint-soft);color:var(--mint-deep);}
.badge-brand{background:var(--brand-soft);color:var(--brand);}
.badge-top{position:absolute;top:12px;left:12px;background:var(--flame);color:#fff;box-shadow:0 6px 16px -8px rgba(255,106,44,.9);}
.badge-top.mint{background:var(--mint);}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3);margin-top:auto;}
.stars{color:#FFB020;font-size:14px;letter-spacing:2px;}
.card-actions{display:flex;gap:10px;margin-top:14px;}

/* 网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.grid-3{display:grid;grid-template-columns:1fr;gap:18px;}
.grid-4{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
@media (min-width:640px){ .grid-4{grid-template-columns:repeat(2,1fr);gap:18px;} }
@media (min-width:768px){ .grid-3{grid-template-columns:repeat(3,1fr);} .grid-4{grid-template-columns:repeat(3,1fr);} }
@media (min-width:1024px){ .grid-4{grid-template-columns:repeat(4,1fr);} }

/* 深色板块 */
.dark-sec{background:var(--ink);color:#fff;}
.dark-sec .sec-sub{color:rgba(255,255,255,.62);}
.dark-sec .sec-title{color:#fff;}

/* 评价轮播 */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 18px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-item{flex:0 0 84%;scroll-snap-align:start;}
@media (min-width:640px){ .rail-item{flex:0 0 58%;} }
@media (min-width:1024px){ .rail-item{flex:0 0 calc((100% - 36px)/3);} }
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;height:100%;box-shadow:var(--sh-1);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:15px;flex:none;}
.review-name{font-weight:700;font-size:15px;}
.review-date{font-size:12px;color:var(--t3);}
.review-text{color:var(--t2);font-size:14.5px;margin-top:14px;}
.rail-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--t1);
  display:none;place-items:center;cursor:pointer;transition:all .2s ease;
}
@media (min-width:1024px){ .rail-btn{display:grid;} }
.rail-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.rail-nav{display:none;gap:10px;}
@media (min-width:1024px){ .rail-nav{display:flex;} }

/* 保障条 */
.guard{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
@media (min-width:1024px){ .guard{grid-template-columns:repeat(4,1fr);} }
.guard-item{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:18px;}
.guard-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;background:rgba(108,75,255,.18);color:#B7A4FF;font-size:18px;font-weight:800;}
.guard-icon.mint{background:rgba(18,201,166,.16);color:#5FE3C8;}
.guard-item h3{font-size:15px;color:#fff;}
.guard-item p{font-size:13px;color:rgba(255,255,255,.6);margin-top:5px;line-height:1.6;}

/* FAQ */
.faq{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--sh-1);}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-weight:700;font-size:16px;transition:background-color .2s ease,color .2s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{background:var(--brand-soft);color:var(--brand);}
.faq details[open] summary{color:var(--brand);}
.faq .arrow{transition:transform .25s ease;flex:none;color:var(--t3);}
.faq details[open] .arrow{transform:rotate(180deg);color:var(--brand);}
.faq .answer{padding:0 22px 22px;color:var(--t2);font-size:14.5px;line-height:1.85;}

/* 表单 */
.form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--sh-1);}
@media (min-width:768px){ .form-card{padding:32px;} }
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#FBFBFE;
  padding:0 14px;height:48px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(108,75,255,.14);
}
.field.error input,.field.error textarea{border-color:#E4463F;background:#FEF4F3;}
.field .err{display:none;color:#E4463F;font-size:12.5px;margin-top:6px;}
.field.error .err{display:block;}
.form-tip{font-size:13px;color:var(--t3);margin-top:14px;line-height:1.7;}
.form-ok{display:none;margin-top:14px;background:var(--mint-soft);color:var(--mint-deep);border-radius:10px;padding:12px 14px;font-size:14px;font-weight:600;}
.form-ok.show{display:block;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;gap:30px;}
@media (min-width:768px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;} }
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.62);transition:color .2s ease,transform .2s ease;}
.footer-link:hover{color:#fff;transform:translateX(3px);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* 移动底部 Tab */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:768px){ .mobile-tab{display:none;} }
.tab-item{
  position:relative;height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:11px;color:var(--t3);font-weight:600;
}
.tab-item svg{width:20px;height:20px;}
.tab-item.active{color:var(--brand);}
.tab-item.active::before{content:"";position:absolute;top:0;left:26%;right:26%;height:3px;border-radius:0 0 4px 4px;background:var(--brand);}

/* 空态 */
.empty-state{
  grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--t3);text-align:center;padding:24px;
}
.empty-state strong{color:var(--t1);font-size:16px;}

/* 内容列表小卡 */
.mini-card{display:flex;gap:14px;align-items:flex-start;padding:16px;border-bottom:1px solid var(--line);}
.mini-card:last-child{border-bottom:0;}

/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
@media (min-width:768px){ .stat-strip{grid-template-columns:repeat(4,1fr);} }
.stat-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.stat-box strong{display:block;font-size:26px;color:var(--brand);}
.stat-box span{font-size:13px;color:var(--t2);}

/* 图文交替 */
.zigzag{display:grid;gap:22px;align-items:center;}
@media (min-width:900px){ .zigzag{grid-template-columns:1fr 1fr;gap:44px;} }
.zigzag img{border-radius:var(--r-card);width:100%;aspect-ratio:4/3;object-fit:cover;background:#EDEFF7;}
.zigzag ul li{display:flex;gap:10px;font-size:14.5px;color:var(--t2);padding:7px 0;}
.zigzag ul li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);flex:none;margin-top:9px;}

/* 文本工具 */
.text-sub{color:var(--t2);}
.text-weak{color:var(--t3);}
.hr-line{height:1px;background:var(--line);border:0;margin:0;}

/* roulang page: article */
:root{
  --brand:#6C4BFF; --brand-hover:#5A38F0; --brand-active:#4B2CD9; --brand-soft:#EFEBFF;
  --mint:#12C9A6; --mint-deep:#0B7F6B; --mint-soft:#E6F8F3;
  --orange:#FF6A2C; --orange-hover:#F2551A;
  --ink:#0E1020; --panel:#171A2E; --line-dark:#262A45;
  --canvas:#F6F7FB; --card:#FFFFFF; --border:#E6E8F2;
  --text:#14162B; --text-2:#5A5F7A; --text-3:#8B90A8;
  --warn:#FFB020; --error:#E4463F;
  --r-card:16px; --r-img:12px; --r-banner:22px; --r-pill:999px; --r-input:10px;
  --sh-1:0 1px 2px rgba(14,16,32,.06);
  --sh-2:0 12px 32px -12px rgba(108,75,255,.28);
  --sh-3:0 8px 24px -8px rgba(255,106,44,.5);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--canvas);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.7;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid rgba(108,75,255,.55);outline-offset:2px;border-radius:6px;}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container-xl{padding:0 28px;}}
@media(min-width:1280px){.container-xl{padding:0 32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 6px 22px -14px rgba(14,16,32,.35);}
.nav-inner{display:flex;align-items:center;gap:18px;height:var(--nav-h);}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--text);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#8B6BFF);color:#fff;font-size:17px;font-weight:800;
  box-shadow:0 6px 16px -8px rgba(108,75,255,.75);
}
.nav-links{display:none;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--text);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--border);background:#fff;transition:.2s;
}
.icon-btn:hover{color:var(--brand);border-color:#CFC4FF;background:var(--brand-soft);}
@media(min-width:900px){.nav-links{display:flex;}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;padding:12px 22px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-3);}
.btn-primary:hover{background:var(--orange-hover);transform:translateY(-1px);box-shadow:0 12px 28px -10px rgba(255,106,44,.65);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--brand);color:var(--brand);background:#fff;}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-plain{border:1px solid var(--border);color:var(--text-2);background:#fff;}
.btn-plain:hover{border-color:#CFC4FF;color:var(--brand);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--text-3);}
.crumb a{color:var(--text-2);transition:color .2s;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C7CBDE;}
.crumb .now{color:var(--text);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Article head ---------- */
.article-head{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 300px at 12% -10%,rgba(108,75,255,.5),transparent 68%),
    radial-gradient(520px 260px at 92% 8%,rgba(18,201,166,.24),transparent 70%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
}
.article-head-inner{position:relative;max-width:820px;margin:0 auto;padding:44px 0 52px;text-align:left;}
.article-head h1{
  font-size:clamp(24px,4vw,38px);line-height:1.32;font-weight:800;letter-spacing:-.01em;margin-top:14px;
}
.head-sub{margin-top:16px;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.8;max-width:660px;}
.head-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.66);}
.head-meta span{display:inline-flex;align-items:center;gap:6px;}
.tag-inline{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(108,75,255,.22);border:1px solid rgba(139,107,255,.5);color:#D9CFFF;font-size:12.5px;font-weight:600;
}
@media(min-width:768px){.article-head-inner{padding:58px 0 64px;}}

/* ---------- Article body ---------- */
.article-shell{padding:40px 0 8px;}
.article-body{
  max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:28px 22px;
}
@media(min-width:768px){.article-body{padding:44px 46px;}}
.article-body p{margin:0 0 1.15em;color:#252941;font-size:16.5px;line-height:1.92;}
.article-body h2{
  position:relative;font-size:21px;font-weight:800;line-height:1.45;color:var(--text);
  margin:38px 0 14px;padding-left:14px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),#9B84FF);
}
.article-body h3{font-size:17.5px;font-weight:700;margin:26px 0 10px;color:var(--text);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;transition:color .2s;}
.article-body a:hover{color:var(--brand-active);}
.article-body strong{color:var(--text);font-weight:700;}
.article-body img{border-radius:var(--r-img);margin:20px auto;max-width:100%;height:auto;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;color:#3B3F5C;
}
.article-body blockquote p{margin:0;font-size:15.5px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:9px;color:#252941;font-size:16px;line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--brand);opacity:.85;
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.16em;width:18px;height:18px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand-active);font-size:11.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-body thead th{background:#F3F4FB;color:var(--text);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FAFAFE;}
.article-body hr{border:none;border-top:1px solid var(--border);margin:30px 0;}
.article-body code{background:#F3F4FB;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-active);}

.empty-state{
  max-width:760px;margin:0 auto;background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-state .em-ico{
  width:56px;height:56px;border-radius:18px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:19px;font-weight:700;}
.empty-state p{color:var(--text-2);font-size:14.5px;}

/* ---------- Tags ---------- */
.tag-row{max-width:760px;margin:22px auto 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .lbl{font-size:13px;color:var(--text-3);}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);font-size:13px;color:var(--text-2);transition:.2s;
}
.tag:hover{border-color:#CFC4FF;color:var(--brand);background:var(--brand-soft);}

/* ---------- Section ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
.section-head{margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);padding:6px 13px;border-radius:var(--r-pill);
}
.section-title{font-size:clamp(21px,3vw,28px);font-weight:800;letter-spacing:-.01em;margin-top:12px;line-height:1.4;}
.section-desc{color:var(--text-2);font-size:15px;margin-top:10px;max-width:720px;}

.grid-3{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}
.grid-2{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr);}}

/* ---------- Cards ---------- */
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD4FF;}
.card-media{position:relative;aspect-ratio:16/9;background:#EDEFF7;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.badge{
  position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;color:#fff;background:var(--orange);letter-spacing:.02em;
}
.badge-mint{background:var(--mint);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:16.5px;font-weight:700;line-height:1.5;transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-title{color:var(--brand);}
.card-text{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.meta{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px;}
.link-arrow{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .2s;}
.link-arrow:hover{gap:10px;}
.point-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);margin-bottom:7px;}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;
  background:var(--mint);transform:rotate(45deg);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-banner);
  padding:40px 24px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 260px at 88% 0%,rgba(108,75,255,.55),transparent 70%),
    radial-gradient(420px 240px at 5% 100%,rgba(18,201,166,.24),transparent 72%);
}
.cta-inner{position:relative;display:grid;gap:26px;}
@media(min-width:900px){.cta-inner{grid-template-columns:1.1fr .9fr;align-items:center;padding:22px 20px;}}
.cta-band h2{font-size:clamp(20px,3vw,27px);font-weight:800;line-height:1.42;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;margin-top:12px;}
.cta-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.86);
}
.form-card{background:#fff;border-radius:var(--r-card);padding:22px;color:var(--text);box-shadow:0 24px 48px -24px rgba(0,0,0,.5);}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);}
.field input,.field textarea{
  width:100%;height:48px;border:1px solid var(--border);border-radius:var(--r-input);padding:0 14px;
  background:#FCFCFE;font-size:14.5px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(108,75,255,.16);
}
.field .err{font-size:12.5px;color:var(--error);display:none;}
.field.has-error input,.field.has-error textarea{border-color:var(--error);}
.field.has-error .err{display:block;}
.form-tip{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ---------- Prev / Next ---------- */
.duo-card{
  display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px;transition:.22s;
}
.duo-card:hover{border-color:#DCD4FF;box-shadow:var(--sh-2);transform:translateY(-3px);}
.duo-card .k{font-size:12.5px;color:var(--brand);font-weight:700;}
.duo-card .t{font-size:16px;font-weight:700;line-height:1.55;}
.duo-card .d{font-size:13.5px;color:var(--text-2);line-height:1.7;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:64px;padding:52px 0 32px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;transition:color .2s,transform .2s;}
.footer-link:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Mobile tab bar ---------- */
.tab-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;background:rgba(255,255,255,.97);
  border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 22px -16px rgba(14,16,32,.4);
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:58px;font-size:11.5px;color:var(--text-3);position:relative;transition:color .2s;
}
.tab-item svg{width:21px;height:21px;}
.tab-item.active{color:var(--brand);font-weight:700;}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:3px;
  border-radius:0 0 3px 3px;background:var(--brand);
}
@media(min-width:768px){
  .tab-bar{display:none;}
  body{padding-bottom:0;}
}
@media(max-width:767px){
  body{padding-bottom:58px;}
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);transition:color .2s;
}
.back-top:hover{color:var(--brand);}

/* roulang page: category1 */
:root{
    --brand:#6C4BFF; --brand-hover:#5A38F0; --brand-active:#4B2CD9; --brand-soft:#EFEBFF;
    --mint:#12C9A6; --mint-dark:#0B7F6B; --mint-soft:#E6F8F3;
    --orange:#FF6A2C; --orange-hover:#F2551A;
    --ink:#0E1020; --panel:#171A2E; --line-dark:#262A45;
    --canvas:#F6F7FB; --card:#FFFFFF; --border:#E6E8F2;
    --text:#14162B; --text-2:#5A5F7A; --text-3:#8B90A8;
    --radius:16px; --radius-lg:22px;
    --shadow-1:0 1px 2px rgba(14,16,32,.06);
    --shadow-2:0 12px 32px -12px rgba(108,75,255,.28);
    --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;font-family:var(--font);background:var(--canvas);color:var(--text);
    font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea,select{font-family:inherit;font-size:inherit;}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.3;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}
  :focus-visible{outline:2px solid rgba(108,75,255,.45);outline-offset:2px;border-radius:8px;}
  .container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ============ Header / Nav ============ */
  .site-header{
    position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
    border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s;
  }
  .site-header.is-stuck{border-bottom-color:var(--border);box-shadow:0 6px 24px -18px rgba(14,16,32,.55);}
  .nav-inner{display:flex;align-items:center;gap:22px;height:68px;}
  .logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
  .logo-mark{
    width:34px;height:34px;border-radius:11px;flex:none;
    background:linear-gradient(135deg,#6C4BFF 0%,#12C9A6 100%);
    color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
  }
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;padding:9px 14px;border-radius:999px;font-size:15px;
    color:var(--text-2);transition:background .2s,color .2s;
  }
  .nav-link:hover{background:var(--brand-soft);color:var(--brand);}
  .nav-link.active{color:var(--brand);font-weight:700;}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:1px;height:3px;
    border-radius:3px;background:var(--brand);
  }
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
    border:1px solid var(--border);color:var(--text-2);background:#fff;transition:.2s;
  }
  .icon-btn:hover{color:var(--brand);border-color:#D9D2FF;background:var(--brand-soft);}

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:700;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
  }
  .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 24px -8px rgba(255,106,44,.5);}
  .btn-primary:hover{background:var(--orange-hover);transform:translateY(-1px);box-shadow:0 12px 28px -8px rgba(255,106,44,.62);}
  .btn-primary:active{transform:translateY(0);background:#E24E14;box-shadow:0 4px 14px -8px rgba(255,106,44,.6);}
  .btn-outline{border-color:var(--brand);color:var(--brand);background:#fff;}
  .btn-outline:hover{background:var(--brand-soft);}
  .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.13);}
  .btn-white{background:#fff;color:var(--ink);}
  .btn-white:hover{background:#EDEAFB;transform:translateY(-1px);}

  /* ============ Hero / Banner ============ */
  .page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
  .page-hero .hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.26;}
  .page-hero .hero-glow{
    position:absolute;inset:0;
    background:
      radial-gradient(58% 68% at 10% 8%,rgba(108,75,255,.55),transparent 62%),
      radial-gradient(52% 62% at 90% 84%,rgba(18,201,166,.26),transparent 62%);
  }
  .page-hero .hero-mesh{
    position:absolute;inset:0;opacity:.14;
    background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.55) 0 1px,transparent 1px 22px);
  }
  .hero-inner{position:relative;padding:34px 0 76px;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
  .breadcrumb{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#A9AEC9;padding:18px 0 0;}
  .breadcrumb a{color:#C9CCE4;transition:color .2s;}
  .breadcrumb a:hover{color:#fff;}
  .breadcrumb .sep{color:#4A4F70;}
  .breadcrumb .cur{color:var(--mint);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;
    color:var(--brand);background:var(--brand-soft);padding:6px 14px;border-radius:999px;
  }
  .eyebrow.on-dark{background:rgba(108,75,255,.22);color:#C6B8FF;}
  .hero-title{font-size:clamp(29px,3.9vw,44px);font-weight:800;margin-top:18px;line-height:1.24;}
  .hero-title em{font-style:normal;color:#B9A9FF;}
  .hero-sub{margin-top:18px;font-size:16.5px;color:#BCCODA;color:#BCC0DA;max-width:560px;line-height:1.85;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
  .chip{
    display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:#D6D9EC;
    border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
    padding:7px 14px;border-radius:999px;
  }
  .chip .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);flex:none;}
  .hero-card{
    position:relative;background:#fff;border-radius:var(--radius-lg);padding:14px;
    box-shadow:0 30px 70px -30px rgba(6,8,24,.85);border:1px solid rgba(255,255,255,.1);
  }
  .hero-card .shot{position:relative;border-radius:16px;overflow:hidden;background:#EDEFF7;}
  .hero-card .shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
    padding:5px 12px;border-radius:999px;letter-spacing:.03em;
  }
  .badge-orange{background:var(--orange);color:#fff;}
  .badge-mint{background:var(--mint-soft);color:var(--mint-dark);}
  .badge-brand{background:var(--brand-soft);color:var(--brand);}
  .hero-card .tag-float{position:absolute;top:14px;left:14px;}
  .hero-card .cap{padding:16px 8px 6px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .hero-card .cap strong{font-size:15px;color:var(--text);}
  .hero-card .cap span{font-size:13px;color:var(--text-3);}

  /* ============ Section basics ============ */
  .section{padding:92px 0;}
  .section-sm{padding:64px 0;}
  .section-dark{background:var(--ink);color:#fff;}
  .section-soft{background:#F0F1FA;}
  .section-head{max-width:720px;}
  .section-head.center{margin:0 auto;text-align:center;}
  .section-title{font-size:clamp(24px,3vw,34px);font-weight:800;margin-top:16px;}
  .section-desc{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85;}
  .section-dark .section-desc{color:#A9AEC9;}
  .divider{height:1px;background:var(--border);border:0;margin:0;}

  /* ============ Zigzag ============ */
  .zigzag-list{display:flex;flex-direction:column;gap:76px;margin-top:64px;}
  .zz-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .zz-row.reverse .zz-media{order:-1;}
  .zz-index{font-size:56px;font-weight:800;color:rgba(108,75,255,.15);line-height:1;}
  .zz-title{font-size:clamp(20px,2.3vw,26px);font-weight:800;margin-top:10px;}
  .zz-text{margin-top:16px;color:var(--text-2);font-size:15.6px;line-height:1.9;}
  .zz-media{
    position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
    background:#EDEFF7;box-shadow:0 22px 48px -28px rgba(14,16,32,.5);
  }
  .zz-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s;}
  .zz-media:hover img{transform:scale(1.03);}
  .zz-media .pin{position:absolute;bottom:14px;left:14px;}

  /* ============ Lists ============ */
  .check-list{margin-top:18px;display:flex;flex-direction:column;gap:11px;}
  .check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);line-height:1.8;}
  .check-list li::before{
    content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
    background:var(--brand-soft);border:2px solid var(--brand);
  }
  .check-list.mint li::before{background:var(--mint-soft);border-color:var(--mint);}

  /* ============ Compare strip ============ */
  .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px;}
  .compare-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;
    box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s;position:relative;
  }
  .compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9D2FF;}
  .compare-card.hot{border-top:3px solid var(--orange);}
  .compare-card h3{font-size:18px;font-weight:800;}
  .compare-card .rows{margin-top:18px;display:flex;flex-direction:column;gap:0;}
  .compare-card .rows div{
    display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed var(--border);font-size:14px;
  }
  .compare-card .rows div:last-child{border-bottom:0;}
  .compare-card .rows span:first-child{color:var(--text-3);}
  .compare-card .rows span:last-child{color:var(--text);font-weight:600;text-align:right;}

  /* ============ Stat band ============ */
  .stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;}
  .stat-item{
    background:var(--panel);border:1px solid var(--line-dark);border-radius:var(--radius);
    padding:22px 20px;transition:border-color .22s,transform .22s;
  }
  .stat-item:hover{border-color:rgba(108,75,255,.6);transform:translateY(-3px);}
  .stat-item .k{font-size:28px;font-weight:800;color:#fff;letter-spacing:-.02em;}
  .stat-item .v{margin-top:6px;font-size:13.5px;color:#A9AEC9;}

  /* ============ FAQ ============ */
  .faq-wrap{margin-top:48px;max-width:900px;}
  .faq-item{
    background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden;
    transition:border-color .22s,box-shadow .22s;
  }
  .faq-item[open]{border-color:#D9D2FF;box-shadow:0 10px 26px -20px rgba(108,75,255,.6);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;font-size:16px;font-weight:700;min-height:60px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .chev{flex:none;color:var(--text-3);transition:transform .25s,color .25s;}
  .faq-item[open] summary .chev{transform:rotate(180deg);color:var(--brand);}
  .faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.9;background:#FAFAFF;}

  /* ============ Related / Cards ============ */
  .related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px;}
  .card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow-1);transition:transform .22s,box-shadow .22s,border-color .22s;overflow:hidden;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9D2FF;}
  .card .cover{background:#EDEFF7;overflow:hidden;}
  .card .cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s;}
  .card:hover .cover img{transform:scale(1.04);}
  .card .body{padding:22px;}
  .card h3{font-size:18px;font-weight:800;transition:color .2s;}
  .card:hover h3{color:var(--brand);}
  .card p{margin-top:10px;color:var(--text-2);font-size:14.6px;line-height:1.85;}
  .card .foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);}
  .link-arrow:hover{gap:10px;}
  .link-arrow{transition:gap .2s;}

  /* ============ CTA + Form ============ */
  .cta-panel{
    background:var(--ink);border-radius:26px;padding:52px;position:relative;overflow:hidden;color:#fff;
  }
  .cta-panel .glow{
    position:absolute;inset:0;
    background:radial-gradient(50% 70% at 92% 12%,rgba(108,75,255,.42),transparent 60%),
               radial-gradient(48% 60% at 4% 92%,rgba(18,201,166,.24),transparent 60%);
  }
  .cta-grid{position:relative;display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:start;}
  .cta-title{font-size:clamp(23px,2.7vw,32px);font-weight:800;margin-top:16px;}
  .cta-text{margin-top:16px;color:#BCC0DA;font-size:15.6px;line-height:1.9;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field.full{grid-column:1 / -1;}
  .field label{font-size:13.5px;font-weight:600;color:#E5E7F5;}
  .field input,.field textarea,.field select{
    width:100%;height:48px;border-radius:10px;border:1px solid var(--line-dark);
    background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none;transition:border-color .2s,box-shadow .2s;
  }
  .field textarea{height:auto;min-height:112px;padding:13px 14px;resize:vertical;line-height:1.7;}
  .field select{appearance:none;cursor:pointer;}
  .field select option{color:#14162B;}
  .field input::placeholder,.field textarea::placeholder{color:#727795;}
  .field input:focus,.field textarea:focus,.field select:focus{
    border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,75,255,.3);
  }
  .field.is-error input,.field.is-error textarea,.field.is-error select{border-color:#E4463F;box-shadow:0 0 0 3px rgba(228,70,63,.18);}
  .field-error{display:none;font-size:12.8px;color:#FF8E89;}
  .form-tip{margin-top:18px;font-size:14px;display:none;}
  .form-tip.ok{display:block;color:var(--mint);}
  .form-tip.bad{display:block;color:#FF8E89;}
  .form-note{margin-top:14px;font-size:12.8px;color:#8B90A8;line-height:1.75;}

  /* ============ Footer ============ */
  .site-footer{background:var(--ink);color:#BCC0DA;padding:72px 0 34px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;}
  .footer-desc{margin-top:16px;font-size:14px;color:#9CA2C0;line-height:1.85;max-width:340px;}
  .footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
  .footer-link{display:block;font-size:14px;color:#9CA2C0;padding:6px 0;transition:color .2s,padding-left .2s;}
  .footer-link:hover{color:#fff;padding-left:4px;}
  .footer-bottom{
    margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7C82A2;
  }

  /* ============ Mobile Tab ============ */
  .mobile-tab{
    position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
    background:rgba(255,255,255,.97);border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab-inner{display:grid;grid-template-columns:repeat(4,1fr);}
  .mobile-tab a{
    position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    height:58px;font-size:11.5px;color:var(--text-3);transition:color .2s;
  }
  .mobile-tab a.active{color:var(--brand);font-weight:700;}
  .mobile-tab a.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:0 0 4px 4px;background:var(--brand);
  }

  /* ============ Responsive ============ */
  @media (max-width:1199px){
    .container-xl{padding:0 24px;}
  }
  @media (max-width:1023px){
    .section{padding:76px 0;}
    .hero-inner{grid-template-columns:1fr;gap:40px;padding-bottom:60px;}
    .hero-sub{max-width:none;}
    .cta-panel{padding:40px 32px;}
    .cta-grid{grid-template-columns:1fr;gap:36px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  }
  @media (max-width:900px){
    .compare-grid{grid-template-columns:1fr;}
    .stat-band{grid-template-columns:repeat(2,1fr);}
    .related-grid{grid-template-columns:1fr;}
  }
  @media (max-width:860px){
    .zz-row,
    .zz-row.reverse{grid-template-columns:1fr;gap:26px;}
    .zz-row.reverse .zz-media{order:0;}
    .zigzag-list{gap:56px;margin-top:48px;}
  }
  @media (max-width:767px){
    .nav-links{display:none;}
    .mobile-tab{display:block;}
    body{padding-bottom:74px;}
    .section{padding:60px 0;}
    .section-sm{padding:48px 0;}
    .form-grid{grid-template-columns:1fr;}
    .cta-panel{padding:32px 20px;border-radius:20px;}
    .footer-grid{grid-template-columns:1fr;}
    .site-footer{padding:56px 0 28px;}
  }
  @media (max-width:520px){
    .container-xl{padding:0 18px;}
    .nav-inner{height:62px;gap:12px;}
    .logo{font-size:17px;}
    .logo-mark{width:30px;height:30px;font-size:15px;}
    .hero-inner{padding:20px 0 52px;}
    .hero-cta .btn{width:100%;}
    .stat-band{grid-template-columns:1fr;}
    .faq-item summary{padding:16px;font-size:15px;}
    .faq-body{padding:0 16px 18px;}
    .card .body{padding:18px;}
    .footer-bottom{flex-direction:column;gap:8px;}
  }

/* roulang page: category2 */
:root{
  --primary:#6C4BFF;
  --primary-hover:#5A38F0;
  --primary-active:#4B2CD9;
  --primary-soft:#EFEBFF;
  --mint:#12C9A6;
  --mint-deep:#0B7F6B;
  --mint-soft:#E6F8F3;
  --orange:#FF6A2C;
  --orange-hover:#F2551A;
  --ink:#0E1020;
  --panel:#171A2E;
  --line-dark:#262A45;
  --canvas:#F6F7FB;
  --card:#FFFFFF;
  --border:#E6E8F2;
  --text:#14162B;
  --text-sub:#5A5F7A;
  --text-weak:#8B90A8;
  --radius-card:16px;
  --radius-pic:12px;
  --radius-lg:22px;
  --shadow-1:0 1px 2px rgba(14,16,32,.06);
  --shadow-2:0 12px 32px -12px rgba(108,75,255,.28);
  --shadow-3:0 8px 24px -8px rgba(255,106,44,.5);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--canvas);
  color:var(--text);
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
::selection{background:rgba(108,75,255,.2);}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 18px;}
@media (min-width:1024px){ .container-xl{padding:0 32px;} }

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(14,16,32,.5);border-color:#DDE0EE;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  display:grid;place-items:center;font-size:16px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--primary),#8C6BFF);
  box-shadow:0 8px 20px -10px rgba(108,75,255,.9);
}
.nav-links{display:none;}
@media (min-width:768px){
  .nav-links{display:flex;align-items:center;gap:4px;}
}
.nav-link{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-sub);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;flex:none;border-radius:12px;
  display:grid;place-items:center;color:var(--text-sub);
  border:1px solid var(--border);background:#fff;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:#CFC6FF;background:var(--primary-soft);}
.icon-btn:focus-visible,.btn:focus-visible,.nav-link:focus-visible,.tab-item:focus-visible{outline:2px solid rgba(108,75,255,.4);outline-offset:2px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--shadow-3);}
.btn-primary:hover{background:var(--orange-hover);transform:translateY(-1px);box-shadow:0 12px 28px -10px rgba(255,106,44,.62);}
.btn-primary:active{transform:translateY(0);background:#E24A12;box-shadow:0 4px 14px -8px rgba(255,106,44,.7);}
.btn-outline{border-color:#CFC6FF;color:var(--primary);background:#fff;}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-1px);}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.04);}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.btn-block{width:100%;}
@media (max-width:520px){ .btn-block-sm{width:100%;} }

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:13px 0;font-size:13px;color:var(--text-weak);}
.crumb a{color:var(--text-sub);font-weight:600;transition:color .2s ease;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C9CDDF;}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.3;
}
.hero-mask{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 16% 8%,rgba(108,75,255,.55),transparent 62%),
    radial-gradient(600px 360px at 92% 92%,rgba(18,201,166,.28),transparent 66%),
    linear-gradient(180deg,rgba(14,16,32,.72),rgba(14,16,32,.95));
}
.hero-inner{position:relative;z-index:2;display:grid;gap:32px;padding:52px 0 58px;}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:1.06fr .94fr;align-items:center;gap:48px;padding:84px 0 92px;}
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;color:#DCD5FF;background:rgba(108,75,255,.22);
  border:1px solid rgba(160,138,255,.4);letter-spacing:.02em;
}
.hero-title{
  font-size:30px;line-height:1.28;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 0;color:#fff;
}
@media (min-width:768px){ .hero-title{font-size:42px;} }
@media (min-width:1024px){ .hero-title{font-size:46px;} }
.hero-sub{font-size:15px;line-height:1.9;color:#B9BED8;margin:16px 0 0;max-width:560px;}
@media (min-width:768px){ .hero-sub{font-size:16.5px;} }
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:#C7CCE6;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;}
.hero-card{
  background:#fff;color:var(--text);border-radius:var(--radius-lg);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);overflow:hidden;
}
.hero-card-media{position:relative;aspect-ratio:16/9;background:#EDEFF7;overflow:hidden;}
.hero-card-media img{width:100%;height:100%;object-fit:cover;}
.hero-card-body{padding:20px 22px 24px;}
.hero-card-title{font-size:18px;font-weight:800;margin:0;letter-spacing:-.01em;}
.hero-card-desc{font-size:14px;color:var(--text-sub);margin:8px 0 0;}
.mini-list{list-style:none;padding:0;margin:14px 0 0;}
.mini-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-sub);margin-bottom:6px;}
.mini-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--primary);}
.hero-card-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}

/* ---------- section ---------- */
.section{padding:54px 0;}
@media (min-width:1024px){ .section{padding:92px 0;} }
.section-white{background:#fff;}
.section-tint{background:#F0F1FA;}
.sec-head{max-width:760px;margin-bottom:30px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--primary);background:var(--primary-soft);
}
.sec-title{font-size:25px;line-height:1.36;font-weight:800;letter-spacing:-.01em;color:var(--text);margin:14px 0 10px;}
@media (min-width:768px){ .sec-title{font-size:33px;} }
.sec-desc{font-size:15px;color:var(--text-sub);margin:0;}
.sec-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.text-link{font-size:14px;font-weight:700;color:var(--primary);}
.text-link:hover{color:var(--primary-active);}

/* ---------- filter + cards ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.filter-pill{
  height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--border);background:#fff;
  color:var(--text-sub);font-size:14px;font-weight:700;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.filter-pill:hover{color:var(--primary);border-color:#CFC6FF;transform:translateY(-1px);}
.filter-pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 10px 22px -14px rgba(108,75,255,.9);}
.filter-pill:focus-visible{outline:2px solid rgba(108,75,255,.4);outline-offset:2px;}
.card-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,1fr);} }
.game-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D0FF;}
.game-card.is-hidden{display:none;}
.game-card-media{position:relative;aspect-ratio:16/9;background:#EDEFF7;overflow:hidden;}
.game-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.game-card:hover .game-card-media img{transform:scale(1.03);}
.tag-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.game-card-media .tag-badge{position:absolute;top:12px;left:12px;box-shadow:0 6px 16px -10px rgba(14,16,32,.6);}
.badge-orange{background:var(--orange);color:#fff;}
.badge-mint{background:var(--mint);color:#fff;}
.badge-purple{background:var(--primary);color:#fff;}
.badge-ink{background:rgba(14,16,32,.78);color:#fff;}
.game-card-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 20px;}
.game-card-title{
  font-size:17px;font-weight:800;line-height:1.5;margin:0;color:var(--text);letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.game-card:hover .game-card-title{color:var(--primary);}
.game-card-desc{
  font-size:14px;color:var(--text-sub);margin:9px 0 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.point-list{list-style:none;padding:0;margin:14px 0 0;}
.point-list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--text-sub);margin-bottom:5px;line-height:1.7;}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--mint);}
.game-card-foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:16px;}
.filter-empty{
  display:none;padding:44px 20px;text-align:center;border:1px dashed var(--border);border-radius:var(--radius-card);
  background:#fff;color:var(--text-sub);font-size:14.5px;
}
.filter-empty.is-show{display:block;}

/* ---------- compare table ---------- */
.table-scroll{overflow-x:auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);}
table.table-x{width:100%;min-width:760px;border-collapse:collapse;font-size:14px;}
.table-x th,.table-x td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;}
.table-x thead th{background:#F3F1FF;color:var(--primary-active);font-weight:800;font-size:13.5px;letter-spacing:.02em;}
.table-x tbody tr:nth-child(even){background:#FAFAFE;}
.table-x tbody tr:hover{background:#F5F3FF;}
.table-x td strong{font-weight:800;color:var(--text);}
.table-note{font-size:13px;color:var(--text-weak);margin:12px 0 0;}

/* ---------- guarantee ---------- */
.guard-grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr);}
@media (min-width:1024px){ .guard-grid{grid-template-columns:repeat(4,1fr);} }
.guard-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px 18px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.guard-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.guard-icon{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:rgba(108,75,255,.12);color:var(--primary);margin-bottom:12px;
}
.guard-icon.mint{background:rgba(18,201,166,.14);color:var(--mint-deep);}
.guard-icon.orange{background:rgba(255,106,44,.14);color:var(--orange-hover);}
.guard-title{font-size:15.5px;font-weight:800;margin:0 0 6px;}
.guard-desc{font-size:13.5px;color:var(--text-sub);margin:0;line-height:1.75;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 2px;font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.01em;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary:focus-visible{outline:2px solid rgba(108,75,255,.4);outline-offset:2px;}
.faq-icon{
  width:26px;height:26px;flex:none;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--border);color:var(--text-sub);transition:transform .25s ease,color .2s ease,border-color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--primary);border-color:#CFC6FF;}
.faq-body{padding:0 2px 22px;font-size:14.5px;color:var(--text-sub);max-width:760px;}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.cta-band-bg{
  position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band-mask{
  position:absolute;inset:0;
  background:radial-gradient(760px 400px at 12% 10%,rgba(108,75,255,.5),transparent 60%),linear-gradient(180deg,rgba(14,16,32,.8),rgba(14,16,32,.96));
}
.cta-inner{position:relative;z-index:2;display:grid;gap:30px;padding:56px 0 60px;}
@media (min-width:1024px){ .cta-inner{grid-template-columns:1fr 1fr;align-items:center;gap:48px;padding:84px 0 88px;} }
.cta-title{font-size:26px;line-height:1.35;font-weight:800;margin:16px 0 12px;}
@media (min-width:768px){ .cta-title{font-size:34px;} }
.cta-desc{font-size:15px;color:#B9BED8;margin:0;max-width:520px;}
.cta-points{list-style:none;padding:0;margin:22px 0 0;}
.cta-points li{position:relative;padding-left:20px;font-size:14.5px;color:#C7CCE6;margin-bottom:8px;}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;background:var(--mint);}
.cta-form{
  background:#fff;color:var(--text);border-radius:var(--radius-lg);padding:24px 22px 26px;
  box-shadow:0 30px 60px -34px rgba(0,0,0,.65);
}
.form-title{font-size:18px;font-weight:800;margin:0 0 4px;}
.form-sub{font-size:13.5px;color:var(--text-sub);margin:0 0 18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--text);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--border);border-radius:10px;background:#FBFCFF;
  padding:12px 14px;font-size:14.5px;line-height:1.6;color:var(--text);min-height:48px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:110px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#A7ABBF;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(108,75,255,.16);
}
.form-hint{font-size:12.5px;color:var(--text-weak);margin:12px 0 0;line-height:1.7;}
.form-alert{
  border-radius:12px;padding:12px 14px;font-size:13.5px;font-weight:600;margin-bottom:16px;line-height:1.7;
}
.form-alert.err{background:#FDECEB;color:#B4302A;border:1px solid #F5C9C6;}
.form-alert.ok{background:var(--mint-soft);color:var(--mint-deep);border:1px solid #BDEBDF;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C8CCE0;padding:54px 0 22px;}
.footer-grid{display:grid;gap:26px;grid-template-columns:1fr;}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.35fr 1fr 1fr 1.25fr;gap:32px;} }
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em;}
.footer-desc{font-size:13.8px;line-height:1.85;color:#9AA0BE;margin:0;}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin:0 0 14px;}
.footer-link{display:block;font-size:13.8px;color:#9AA0BE;padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-link:hover{color:#fff;transform:translateX(2px);}
.footer-link:focus-visible{outline:2px solid rgba(108,75,255,.5);outline-offset:2px;}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7C82A2;
}

/* ---------- mobile tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--border);
  box-shadow:0 -8px 22px -18px rgba(14,16,32,.6);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (min-width:768px){ .mobile-tab{display:none;} }
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:8px 0 9px;font-size:11px;font-weight:600;color:var(--text-weak);
  transition:color .2s ease;
}
.tab-item svg{width:20px;height:20px;}
.tab-item.is-active{color:var(--primary);font-weight:800;}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:0 0 4px 4px;background:var(--primary);
}
@media (max-width:767px){
  body{padding-bottom:66px;}
}

/* ---------- decorations ---------- */
.dot-deco{
  position:absolute;width:180px;height:120px;opacity:.18;pointer-events:none;
  background-image:radial-gradient(var(--primary) 1.6px,transparent 1.6px);
  background-size:14px 14px;
}
.rule-top{border-top:2px solid var(--primary);}

/* roulang page: category3 */
:root{
    --primary:#6C4BFF;
    --primary-hover:#5A38F0;
    --primary-active:#4B2CD9;
    --primary-soft:#EFEBFF;
    --mint:#12C9A6;
    --mint-deep:#0B7F6B;
    --mint-soft:#E6F8F3;
    --orange:#FF6A2C;
    --orange-hover:#F2551A;
    --ink:#0E1020;
    --panel:#171A2E;
    --line-dark:#262A45;
    --canvas:#F6F7FB;
    --card:#FFFFFF;
    --border:#E6E8F2;
    --text:#14162B;
    --text-2:#5A5F7A;
    --text-3:#8B90A8;
    --ok:#12C9A6;
    --warn:#FFB020;
    --err:#E4463F;
    --r-card:16px;
    --r-img:12px;
    --r-banner:22px;
    --r-pill:999px;
    --r-input:10px;
    --sh-1:0 1px 2px rgba(14,16,32,.06);
    --sh-2:0 12px 32px -12px rgba(108,75,255,.28);
    --sh-cta:0 8px 24px -8px rgba(255,106,44,.5);
    --w:1200px;
  }
  *{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    background:var(--canvas);
    color:var(--text);
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea,select{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid rgba(108,75,255,.55);outline-offset:2px;}
  .num{font-variant-numeric:tabular-nums;}

  .container-xl{width:100%;max-width:var(--w);margin:0 auto;padding:0 18px;}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--border);
    box-shadow:0 10px 28px -22px rgba(14,16,32,.9);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:70px;}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--text);}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;
    background:linear-gradient(135deg,var(--primary),#8C6BFF);
    color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800;
    box-shadow:0 8px 18px -10px rgba(108,75,255,.85);
  }
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;padding:9px 15px;border-radius:var(--r-pill);
    font-size:15px;color:var(--text-2);transition:color .2s,background .2s;
  }
  .nav-link:hover{color:var(--primary);background:var(--primary-soft);}
  .nav-link.active{color:var(--primary);font-weight:700;background:var(--primary-soft);}
  .nav-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:40px;height:40px;border-radius:var(--r-pill);
    display:grid;place-items:center;background:#fff;
    border:1px solid var(--border);color:var(--text-2);
    transition:color .2s,border-color .2s,background .2s;
  }
  .icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);border:1px solid transparent;
    font-weight:700;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn-sm{padding:8px 18px;font-size:14px;}
  .btn-lg{padding:14px 30px;font-size:16px;}
  .btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-cta);}
  .btn-primary:hover{background:var(--orange-hover);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px -6px rgba(255,106,44,.6);}
  .btn-outline{border-color:var(--primary);color:var(--primary);background:#fff;}
  .btn-outline:hover{background:var(--primary-soft);transform:translateY(-1px);}
  .btn-ghost{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.07);}
  .btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-1px);}

  /* ============ 首屏 ============ */
  .page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
  .page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3;}
  .page-hero-mask{
    position:absolute;inset:0;
    background:
      radial-gradient(760px 380px at 12% 5%, rgba(108,75,255,.5), transparent 62%),
      radial-gradient(520px 300px at 92% 92%, rgba(18,201,166,.22), transparent 68%),
      linear-gradient(180deg, rgba(14,16,32,.74), rgba(14,16,32,.95));
  }
  .page-hero-inner{position:relative;padding:40px 0 58px;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
  .breadcrumb a{color:rgba(255,255,255,.86);transition:color .2s;}
  .breadcrumb a:hover{color:#fff;}
  .page-hero h1{font-size:34px;line-height:1.24;font-weight:800;margin-bottom:16px;}
  .page-hero-sub{max-width:740px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85;margin-bottom:24px;}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
  .chip{
    display:inline-flex;align-items:center;gap:7px;
    padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;
  }
  .chip .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
  .hero-stats{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
    gap:14px;max-width:640px;
    padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  }
  .hero-stat strong{display:block;font-size:24px;font-weight:800;color:#fff;line-height:1.2;}
  .hero-stat span{display:block;font-size:12.5px;color:rgba(255,255,255,.62);margin-top:6px;}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0;}
  .section-dark{background:var(--ink);color:#fff;}
  .section-soft{background:#F0F1FA;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
  .section-head{max-width:720px;margin-bottom:34px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;font-weight:700;letter-spacing:.06em;
    color:var(--primary);background:var(--primary-soft);
    padding:5px 13px;border-radius:var(--r-pill);margin-bottom:14px;
  }
  .section-head h2{font-size:26px;font-weight:800;line-height:1.34;margin-bottom:12px;}
  .section-head p{color:var(--text-2);font-size:15px;line-height:1.85;}

  .intro-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
    padding:26px 24px;box-shadow:var(--sh-1);
  }
  .intro-card p{color:var(--text-2);font-size:15.5px;line-height:1.9;}
  .intro-card p + p{margin-top:14px;}
  .intro-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;border-radius:var(--r-pill);
    font-size:13px;color:var(--mint-deep);background:var(--mint-soft);
    border:1px solid rgba(18,201,166,.25);
  }

  /* ============ 时间轴 / 步骤流 ============ */
  .timeline{position:relative;margin-top:10px;}
  .timeline::before{
    content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;
    background:linear-gradient(180deg,rgba(108,75,255,.6),rgba(18,201,166,.45));
    border-radius:2px;
  }
  .tl-item{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr);gap:18px;padding-bottom:20px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-marker{
    position:relative;z-index:1;width:48px;height:48px;border-radius:50%;
    background:#fff;border:2px solid var(--primary);color:var(--primary);
    display:grid;place-items:center;font-weight:800;font-size:15px;
    font-variant-numeric:tabular-nums;
    box-shadow:0 8px 18px -12px rgba(108,75,255,.9);
    transition:background .22s,color .22s,border-color .22s;
  }
  .tl-item:hover .tl-marker{background:var(--primary);color:#fff;}
  .tl-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
    padding:20px 22px;box-shadow:var(--sh-1);
    transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(108,75,255,.32);}
  .tl-head h3{font-size:18px;font-weight:700;margin-bottom:9px;}
  .tl-time{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;
    color:var(--mint-deep);background:var(--mint-soft);
    padding:4px 11px;border-radius:var(--r-pill);
  }
  .tl-body p{color:var(--text-2);font-size:15px;line-height:1.85;margin-bottom:12px;}
  .tl-body p:last-child{margin-bottom:0;}
  .tl-points{display:grid;gap:8px;}
  .tl-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
  .tl-points li::before{
    content:"";position:absolute;left:0;top:9px;
    width:7px;height:7px;border-radius:50%;background:var(--primary);opacity:.72;
  }

  /* ============ 卡片网格 ============ */
  .grid-3{display:grid;grid-template-columns:1fr;gap:18px;}
  .f-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--sh-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,75,255,.3);}
  .f-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border-radius:11px;font-weight:800;font-size:14px;
    background:rgba(108,75,255,.12);color:var(--primary);
    font-variant-numeric:tabular-nums;margin-bottom:14px;
  }
  .f-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
  .f-card p{color:var(--text-2);font-size:14.5px;line-height:1.82;}
  .f-list{margin-top:14px;display:grid;gap:7px;}
  .f-list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--text-3);}
  .f-list li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;background:var(--mint);}

  /* ============ 保障条 ============ */
  .guard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:36px 0;}
  .guard-item{display:flex;gap:12px;align-items:flex-start;}
  .guard-ico{
    flex:0 0 40px;width:40px;height:40px;border-radius:12px;
    background:rgba(108,75,255,.12);color:var(--primary);
    display:grid;place-items:center;
  }
  .guard-item h3{font-size:15px;font-weight:700;margin-bottom:5px;}
  .guard-item p{font-size:13.5px;color:var(--text-2);line-height:1.7;}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-item{
    background:#fff;border:1px solid var(--border);border-radius:14px;
    margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
  }
  .faq-item[open]{border-color:rgba(108,75,255,.35);box-shadow:var(--sh-1);}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;font-size:15.5px;font-weight:700;line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-sign{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);
    font-size:15px;font-weight:800;transition:transform .25s ease;
  }
  .faq-item[open] .faq-sign{transform:rotate(180deg);}
  .faq-body{padding:0 20px 20px;background:#FBFBFE;}
  .faq-body p{color:var(--text-2);font-size:14.5px;line-height:1.88;}
  .faq-body p + p{margin-top:10px;}

  /* ============ 相关分类 ============ */
  .rel-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  .rel-card{
    display:flex;gap:16px;align-items:center;
    background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
    padding:16px;box-shadow:var(--sh-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,75,255,.32);}
  .rel-thumb{flex:0 0 96px;width:96px;height:72px;border-radius:var(--r-img);overflow:hidden;background:#EDEFF7;}
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .rel-card:hover .rel-thumb img{transform:scale(1.05);}
  .rel-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
  .rel-card p{font-size:13.5px;color:var(--text-2);line-height:1.7;}
  .rel-more{color:var(--primary);font-size:13.5px;font-weight:700;display:inline-flex;align-items:center;gap:5px;margin-top:8px;}

  /* ============ CTA + 表单 ============ */
  .cta-section{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
  .cta-glow{
    position:absolute;inset:0;
    background:
      radial-gradient(620px 320px at 8% 20%, rgba(108,75,255,.38), transparent 65%),
      radial-gradient(520px 300px at 96% 90%, rgba(255,106,44,.2), transparent 68%);
  }
  .cta-grid{position:relative;display:grid;grid-template-columns:1fr;gap:34px;padding:56px 0;}
  .cta-copy h2{font-size:26px;font-weight:800;line-height:1.34;margin-bottom:14px;}
  .cta-copy p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.88;margin-bottom:22px;max-width:520px;}
  .cta-list{display:grid;gap:11px;}
  .cta-list li{position:relative;padding-left:24px;font-size:14.5px;color:rgba(255,255,255,.82);}
  .cta-list li::before{
    content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:4px;
    background:rgba(18,201,166,.28);border:1px solid rgba(18,201,166,.7);
  }
  .form-card{background:#fff;border-radius:var(--r-card);padding:24px;box-shadow:0 26px 60px -30px rgba(0,0,0,.7);color:var(--text);}
  .form-card h3{font-size:18px;font-weight:800;margin-bottom:6px;}
  .form-card .form-tip{font-size:13px;color:var(--text-3);margin-bottom:18px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:7px;}
  .field input,.field textarea{
    width:100%;height:48px;padding:0 14px;background:#fff;
    border:1px solid var(--border);border-radius:var(--r-input);
    transition:border-color .2s,box-shadow .2s;
  }
  .field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
  .field input:focus,.field textarea:focus{
    outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,75,255,.18);
  }
  .field.error input,.field.error textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(228,70,63,.14);}
  .err-msg{display:none;color:var(--err);font-size:12.5px;margin-top:6px;}
  .field.error .err-msg{display:block;}
  .form-submit{width:100%;margin-top:4px;}
  .form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}
  .form-success{
    display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-input);
    background:var(--mint-soft);color:var(--mint-deep);font-size:14px;font-weight:600;
    border:1px solid rgba(18,201,166,.35);
  }
  .form-success.show{display:block;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink);color:#fff;padding-top:54px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:14px;}
  .footer-title{font-size:14px;font-weight:700;margin-bottom:14px;color:#fff;}
  .footer-link{display:block;color:rgba(255,255,255,.66);font-size:14px;padding:5px 0;transition:color .2s,padding-left .2s;}
  .footer-link:hover{color:#fff;padding-left:4px;}
  .footer-desc{color:rgba(255,255,255,.6);font-size:14px;line-height:1.85;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    padding:18px 0 26px;border-top:1px solid var(--line-dark);
    color:rgba(255,255,255,.5);font-size:13px;
  }

  /* ============ 移动端底部 Tab ============ */
  .mobile-tabs{
    display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.97);border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -8px 24px -20px rgba(14,16,32,.9);
  }
  .tab-item{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    height:58px;font-size:11.5px;color:var(--text-3);
    position:relative;transition:color .2s;
  }
  .tab-item svg{width:21px;height:21px;}
  .tab-item.active{color:var(--primary);font-weight:700;}
  .tab-item.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--primary);
  }

  /* ============ 响应式 ============ */
  @media (min-width:640px){
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .page-hero h1{font-size:40px;}
    .section-head h2{font-size:29px;}
  }
  @media (min-width:768px){
    .container-xl{padding:0 24px;}
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
    .page-hero-inner{padding:52px 0 70px;}
    .guard-grid{grid-template-columns:repeat(4,minmax(0,1fr));padding:46px 0;}
    .cta-grid{grid-template-columns:1fr 1fr;gap:48px;padding:74px 0;}
    .faq-item summary{font-size:16px;padding:20px 22px;}
    .faq-body{padding:0 22px 22px;}
  }
  @media (min-width:900px){
    .tl-card{display:grid;grid-template-columns:225px minmax(0,1fr);gap:26px;padding:24px 26px;}
  }
  @media (min-width:1024px){
    .container-xl{padding:0 32px;}
    .section{padding:88px 0;}
    .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
    .page-hero h1{font-size:48px;}
    .page-hero-sub{font-size:16.5px;}
    .section-head{margin-bottom:44px;}
    .section-head h2{font-size:32px;}
    .intro-card{padding:32px 34px;}
    .cta-copy h2{font-size:32px;}
  }
  @media (max-width:1023px){
    .nav-link{padding:8px 11px;font-size:14.5px;}
    .logo{font-size:17px;}
  }
  @media (max-width:767px){
    body{padding-bottom:70px;}
    .nav-links{display:none;}
    .mobile-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
    .icon-btn{display:none;}
    .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
    .hero-stat strong{font-size:20px;}
    .hero-actions .btn{flex:1 1 100%;}
    .tl-item{grid-template-columns:40px minmax(0,1fr);gap:14px;}
    .tl-marker{width:40px;height:40px;font-size:14px;}
    .timeline::before{left:19px;}
    .rel-card{align-items:flex-start;}
  }
  @media (max-width:520px){
    .page-hero h1{font-size:29px;}
    .section-head h2{font-size:23px;}
    .hero-stat span{font-size:11.5px;}
    .rel-thumb{flex:0 0 76px;width:76px;height:60px;}
    .footer-bottom{flex-direction:column;}
  }