/* roulang page: index */
:root{
  --brand:#21D6B4;
  --brand-deep:#12A98C;
  --amber:#FF9E2C;
  --ink:#170F2B;
  --ink-2:#221643;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E3DC;
  --divider:#EFEBE4;
  --text:#14121C;
  --body:#3A3550;
  --muted:#6E6885;
  --ok:#1FA37A;
  --warn:#E5A100;
  --err:#D6453D;
  --r:16px;
  --r-sm:10px;
  --shadow-sm:0 1px 2px rgba(20,18,28,.06),0 12px 32px rgba(20,18,28,.08);
  --shadow-lg:0 18px 40px rgba(20,18,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease);}
a:hover{color:var(--brand);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--text);margin:0 0 .6em;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin:0 auto;}
@media screen and (min-width:1440px){
  .grid-container{max-width:1280px;}
}
.section{padding:88px 0;}
.section.tight{padding:56px 0;}
.section.deep{background:var(--ink);color:rgba(244,242,238,.78);}
.section.deep h2,.section.deep h3{color:#F4F2EE;}

/* 通用标题 */
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand-deep);
  text-transform:uppercase;margin-bottom:14px;font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:block;}
.section.deep .eyebrow{color:var(--brand);}
h2.sec-title{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.28;margin-bottom:14px;}
.sec-desc{font-size:16px;color:var(--muted);max-width:700px;margin:0;line-height:1.8;}
.section.deep .sec-desc{color:rgba(244,242,238,.68);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .2s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--amber);color:#2B1A05;box-shadow:0 10px 24px rgba(255,158,44,.28);}
.btn-primary:hover{background:#FFB255;color:#2B1A05;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,158,44,.34);}
.btn-primary:active{transform:translateY(0);background:#F2921C;}
.btn-ghost{background:transparent;color:#F4F2EE;border-color:rgba(244,242,238,.5);}
.btn-ghost:hover{background:rgba(33,214,180,.12);border-color:var(--brand);color:#F4F2EE;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--text);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);background:rgba(33,214,180,.08);transform:translateY(-2px);}

/* 文字链接 */
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--brand-deep);border-bottom:1px dashed rgba(18,169,140,.6);padding-bottom:2px;}
.link-more:hover{border-bottom-style:solid;color:var(--brand);}
.link-more .arw{transition:transform .2s var(--ease);}
.link-more:hover .arw{transform:translateX(4px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(33,214,180,.12);color:#0E8A73;font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge.solid{background:var(--ink-2);color:#F4F2EE;}
.badge.amber{background:rgba(255,158,44,.16);color:#A9600A;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,245,241,.92);
  border-bottom:1px solid transparent;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),backdrop-filter .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-stuck{
  background:rgba(247,245,241,.82);
  backdrop-filter:blur(10px) saturate(140%);
  -webkit-backdrop-filter:blur(10px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(20,18,28,.06);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .22s var(--ease);}
.site-header.is-stuck .header-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),#0E8A73);
  color:#08201B;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(33,214,180,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16.5px;color:var(--text);font-weight:800;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.02em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;padding:10px 12px;font-size:14.5px;font-weight:600;color:#4A4460;border-radius:8px;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.main-nav a:hover{color:var(--brand-deep);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--text);}
.main-nav a.active::after{transform:scaleX(1);}
.nav-cta{margin-left:14px;padding:11px 22px;font-size:14px;}
.menu-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);
  border-radius:12px;background:var(--card);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s var(--ease),opacity .2s var(--ease);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:var(--ink);z-index:90;
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-brand{color:#F4F2EE;font-weight:800;font-size:15px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(244,242,238,.24);background:transparent;color:#F4F2EE;cursor:pointer;font-size:20px;line-height:1;}
.drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer nav a{color:rgba(244,242,238,.82);padding:14px 14px;border-radius:12px;font-weight:600;border-left:3px solid transparent;}
.drawer nav a.active{color:#F4F2EE;background:rgba(33,214,180,.12);border-left-color:var(--brand);}
.drawer .btn{width:100%;justify-content:center;}
.drawer-info{margin-top:auto;padding-top:22px;border-top:1px solid rgba(244,242,238,.16);color:rgba(244,242,238,.6);font-size:13px;line-height:1.9;}
.scrim{position:fixed;inset:0;background:rgba(23,15,43,.5);opacity:0;pointer-events:none;transition:opacity .24s var(--ease);z-index:80;}
.scrim.open{opacity:1;pointer-events:auto;}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(23,15,43,.94) 0%,rgba(23,15,43,.78) 46%,rgba(23,15,43,.42) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:#F4F2EE;
  padding:96px 0 88px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero .grid-container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(33,214,180,.14);border:1px solid rgba(33,214,180,.42);
  color:#7FF0DA;font-size:12.5px;font-weight:700;letter-spacing:.03em;margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(33,214,180,.2);}
h1.hero-title{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  color:#FFFFFF;margin-bottom:18px;max-width:620px;
}
h1.hero-title .hl{color:var(--brand);}
.hero-sub{font-size:17px;color:rgba(244,242,238,.8);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(244,242,238,.74);}
.trust-item svg{flex:0 0 auto;stroke:var(--brand);}
.hero-media{position:relative;}
.hero-media .frame{
  border-radius:20px;overflow:hidden;border:1px solid rgba(244,242,238,.18);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
}
.hero-media .frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-panel{
  position:absolute;left:-20px;bottom:-24px;background:rgba(23,15,43,.9);
  border:1px solid rgba(33,214,180,.34);border-radius:14px;padding:16px 18px;backdrop-filter:blur(6px);
  max-width:250px;
}
.hero-panel .num{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-panel .cap{font-size:12.5px;color:rgba(244,242,238,.7);}

/* 入口指引 非对称 */
.entry-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:auto auto;gap:22px;}
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 24px;position:relative;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-lg);}
.entry-card .idx{font-size:12.5px;font-weight:800;color:var(--muted);letter-spacing:.14em;margin-bottom:14px;font-variant-numeric:tabular-nums;}
.entry-card h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.4;}
.entry-card p{font-size:14.5px;color:var(--muted);margin-bottom:16px;}
.entry-card .link-more{margin-top:auto;align-self:flex-start;}
.entry-card.feature{
  grid-row:span 2;padding:0;overflow:hidden;background:var(--ink);border-color:transparent;color:rgba(244,242,238,.78);
}
.entry-card.feature:hover{border-color:var(--brand);}
.entry-card.feature .feat-img{aspect-ratio:16/10;overflow:hidden;}
.entry-card.feature .feat-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.entry-card.feature:hover .feat-img img{transform:scale(1.03);}
.entry-card.feature .feat-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1;}
.entry-card.feature h3{color:#F4F2EE;font-size:23px;}
.entry-card.feature p{color:rgba(244,242,238,.72);}
.entry-card.feature .link-more{color:var(--brand);border-bottom-color:rgba(33,214,180,.5);}
.entry-ico{width:38px;height:38px;border-radius:11px;background:rgba(33,214,180,.12);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.entry-ico svg{stroke:var(--brand-deep);}

/* 数据通栏 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;}
.stat{padding:10px 26px;border-left:1px solid rgba(244,242,238,.14);}
.stat:first-child{border-left:0;padding-left:0;}
.stat .val{font-size:clamp(32px,4.4vw,52px);font-weight:800;color:#F4F2EE;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat .val em{font-style:normal;font-size:.42em;font-weight:700;color:rgba(244,242,238,.55);margin-left:6px;}
.stat.accent .val{color:var(--brand);}
.stat .cap{font-size:14px;color:rgba(244,242,238,.62);margin-top:8px;}
.stats-note{margin-top:34px;padding-top:22px;border-top:1px solid rgba(244,242,238,.14);font-size:13.5px;color:rgba(244,242,238,.6);}

/* 场景卡 */
.scene-scroll{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand);}
.scene-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,rgba(33,214,180,.16),rgba(255,158,44,.12));}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.scene-card:hover .scene-thumb img{transform:scale(1.03);}
.scene-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(23,15,43,.82);color:#F4F2EE;}
.scene-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.scene-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.scene-body p{font-size:14.5px;color:var(--muted);margin-bottom:0;}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:12px;}
.flow-step{position:relative;padding-top:34px;}
.flow-step::before{
  content:"";position:absolute;top:15px;left:38px;right:-22px;height:1px;background:var(--line);
}
.flow-step:last-child::before{display:none;}
.flow-dot{
  position:absolute;top:0;left:0;width:32px;height:32px;border-radius:50%;
  background:var(--card);border:1px solid var(--line);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;font-variant-numeric:tabular-nums;
}
.flow-step.on .flow-dot{background:var(--brand);border-color:var(--brand);color:#06231D;box-shadow:0 0 0 5px rgba(33,214,180,.16);}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--muted);margin:0;}

/* 最新信息 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:32px;}
.news-head h2{font-size:clamp(22px,2.6vw,30px);margin:0;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(33,214,180,.18),rgba(255,158,44,.1));position:relative;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb .ph-num{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:52px;font-weight:800;color:rgba(23,15,43,.16);font-variant-numeric:tabular-nums;
}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-body .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:12px;}
.news-body h3{font-size:17.5px;font-weight:700;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover h3{color:var(--brand-deep);}
.news-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.news-body .link-more{margin-top:auto;}
.news-empty{
  border:1.5px dashed var(--line);border-radius:var(--r);min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--muted);font-size:15px;background:rgba(255,255,255,.6);
}
.news-empty a{font-weight:700;color:var(--brand-deep);border-bottom:1px dashed rgba(18,169,140,.6);}

/* FAQ */
.faq-list{border-top:1px solid var(--divider);max-width:900px;}
.faq-item{border-bottom:1px solid var(--divider);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 16px 22px 0;font-size:17.5px;font-weight:700;color:var(--text);line-height:1.5;
  transition:color .18s var(--ease),padding-left .2s var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-item.open .faq-q{border-left:4px solid var(--brand);padding-left:16px;}
.faq-q .caret{flex:0 0 auto;width:22px;height:22px;transition:transform .24s var(--ease);stroke:var(--muted);margin-top:4px;}
.faq-item.open .caret{transform:rotate(180deg);stroke:var(--brand-deep);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a-inner{padding:0 0 24px;font-size:15px;color:#4C4664;max-width:780px;background:transparent;}
.faq-item.open .faq-a-inner{background:var(--bg);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:16px 20px 20px;}

/* 联系区 */
.contact-wrap{
  background:var(--ink);border-radius:24px;overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;
}
.contact-info{padding:48px 44px;color:rgba(244,242,238,.78);}
.contact-info h2{color:#F4F2EE;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.contact-info p{font-size:15px;color:rgba(244,242,238,.7);max-width:420px;}
.contact-list{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;}
.contact-list svg{flex:0 0 auto;margin-top:4px;stroke:var(--brand);}
.contact-list b{color:#F4F2EE;font-weight:700;}
.contact-form{background:var(--card);padding:44px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--text);margin-bottom:8px;}
.field .req{color:var(--err);margin-left:2px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#FDFCFA;
  font-size:15px;color:var(--text);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:130px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,214,180,.15);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);}
.field .err-msg{display:none;font-size:12.5px;color:var(--err);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-deep);flex:0 0 auto;}
.form-note{margin-top:14px;font-size:13px;color:var(--muted);}
.form-note.ok{color:var(--ok);font-weight:700;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(244,242,238,.68);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer h4{color:#F4F2EE;font-size:14px;font-weight:800;letter-spacing:.04em;margin-bottom:18px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px;background:linear-gradient(135deg,var(--brand),#0E8A73);color:#08201B;display:flex;align-items:center;justify-content:center;font-weight:800;}
.footer-brand strong{color:#F4F2EE;font-size:15.5px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.9;max-width:320px;margin:0;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(244,242,238,.68);}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{font-size:14px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.footer-contact svg{flex:0 0 auto;margin-top:4px;stroke:var(--brand);}
.footer-bottom{border-top:1px solid rgba(244,242,238,.14);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:rgba(244,242,238,.5);}
.footer-bottom a{color:rgba(244,242,238,.6);}
.footer-bottom a:hover{color:var(--brand);}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* 响应式 */
@media screen and (max-width:1023px){
  .main-nav,.nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .hero{padding:72px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media .frame img{aspect-ratio:16/10;}
  .hero-panel{position:static;left:auto;bottom:auto;margin-top:16px;max-width:none;}
  .section{padding:64px 0;}
  .entry-grid{grid-template-columns:1fr 1fr;}
  .entry-card.feature{grid-column:span 2;grid-row:auto;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat{border-left:0;border-top:1px solid rgba(244,242,238,.14);padding:22px 0 0;margin-top:22px;}
  .stat:nth-child(-n+2){border-top:0;margin-top:0;}
  .scene-scroll{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr 1fr;gap:28px 22px;}
  .flow-step:nth-child(2n)::before{display:none;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .contact-info{padding:38px 28px;}
  .contact-form{padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:15px;}
  .hero{padding:56px 0 52px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .section{padding:52px 0;}
  .entry-grid{grid-template-columns:1fr;}
  .entry-card.feature{grid-column:span 1;}
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-top:1px solid rgba(244,242,238,.14);margin-top:20px;padding-top:20px;}
  .stat:first-child{border-top:0;margin-top:0;padding-top:0;}
  .scene-scroll{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .flow-step::before{display:none;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding-right:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --brand:#21D6B4;
  --brand-deep:#12A98C;
  --brand-soft:rgba(33,214,180,.12);
  --accent:#FF9E2C;
  --accent-deep:#E8880F;
  --ink:#14121C;
  --text:#3A3550;
  --muted:#6E6885;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E3DC;
  --line-soft:#EFEBE4;
  --deep:#170F2B;
  --deep-2:#221643;
  --ok:#1FA37A;
  --warn:#E5A100;
  --err:#D6453D;
  --r-card:16px;
  --r-sm:10px;
  --r-btn:999px;
  --shadow:0 1px 2px rgba(20,18,28,.06),0 12px 32px rgba(20,18,28,.08);
  --shadow-hover:0 18px 40px rgba(20,18,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}

*,*::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","HarmonyOS Sans 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{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease);}
a:hover{color:var(--brand);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--deep);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,241,.96);
  border-bottom:1px solid transparent;
  transition:height .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.78);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(20,18,28,.06);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .2s var(--ease);}
.site-header.is-scrolled .header-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#0F9E86);
  color:#08221D;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(33,214,180,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.01em;}
.brand-text i{font-style:normal;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;}
.brand:hover .brand-text{color:var(--ink);}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;color:var(--text);font-size:15px;font-weight:500;border-radius:10px;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .18s var(--ease);
}
.main-nav a:hover{color:var(--brand-deep);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
  min-height:44px;
}
.btn-accent{background:var(--accent);color:#2B1600;box-shadow:0 10px 24px rgba(255,158,44,.28);}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,158,44,.34);color:#2B1600;}
.btn-accent:active{transform:translateY(0);filter:brightness(.96);}
.btn-primary{background:var(--brand);color:#062A24;box-shadow:0 10px 24px rgba(33,214,180,.28);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);color:#062A24;}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#F4F2EE;}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:var(--brand);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s var(--ease),opacity .18s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);z-index:120;
  background:linear-gradient(180deg,var(--deep),var(--deep-2));
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head strong{color:#F4F2EE;font-size:16px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#F4F2EE;font-size:18px;cursor:pointer;}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{color:rgba(244,242,238,.78);padding:14px 14px;border-radius:12px;font-size:16px;border-left:3px solid transparent;}
.drawer-nav a:hover,.drawer-nav a.active{color:#fff;background:rgba(255,255,255,.06);border-left-color:var(--brand);}
.drawer-cta{margin-top:22px;}
.drawer-meta{margin-top:auto;padding-top:26px;color:rgba(244,242,238,.55);font-size:13px;line-height:2;}
.drawer-mask{position:fixed;inset:0;background:rgba(23,15,43,.5);opacity:0;visibility:hidden;transition:opacity .24s var(--ease);z-index:110;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#F4F2EE;
  background:var(--deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:64px 0 68px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,15,43,.97) 0%,rgba(23,15,43,.88) 42%,rgba(34,22,67,.72) 100%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px;pointer-events:none;
}
.article-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(244,242,238,.62);margin-bottom:20px;}
.breadcrumb a{color:rgba(244,242,238,.78);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(244,242,238,.34);}
.breadcrumb .current{color:rgba(244,242,238,.55);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,48px);font-weight:800;line-height:1.2;letter-spacing:-.01em;
  max-width:16em;margin-bottom:20px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:rgba(244,242,238,.68);}
.meta-row .dot-sep{width:1px;height:14px;background:rgba(255,255,255,.24);}
.meta-row .who{display:inline-flex;align-items:center;gap:7px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-brand{background:var(--brand-soft);color:var(--brand-deep);}
.badge-on-dark{background:rgba(33,214,180,.18);color:#8CF3DF;}
.badge-accent{background:rgba(255,158,44,.16);color:var(--accent-deep);}

/* ---------- layout ---------- */
.article-wrap{padding:56px 0 8px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 264px;gap:56px;}
}
.article-main{min-width:0;max-width:820px;}

.cover-figure{margin:0 0 40px;}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow);}
.cover-figure figcaption{margin-top:12px;font-size:13px;color:var(--muted);}

.kicker{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px;}
.kicker::before{content:"";width:28px;height:1px;background:var(--brand);}

/* ---------- article body ---------- */
.article-body{font-size:17px;line-height:1.85;color:var(--text);overflow-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:clamp(21px,2.4vw,28px);line-height:1.32;color:var(--ink);
  margin:2.1em 0 .8em;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:20px;line-height:1.45;color:var(--ink);margin:1.8em 0 .7em;}
.article-body h4{font-size:17px;color:var(--ink);margin:1.5em 0 .6em;}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:olist;}
.article-body ol li{position:relative;padding-left:30px;margin:.6em 0;counter-increment:olist;}
.article-body ol li::before{
  content:counter(olist);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:#FBF9F5;border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em auto;box-shadow:var(--shadow);}
.article-body a{color:var(--brand-deep);border-bottom:1px dashed rgba(18,169,140,.55);}
.article-body a:hover{color:var(--brand);border-bottom-style:solid;}
.article-body hr{border:0;height:1px;background:var(--line-soft);margin:2.2em 0;}
.article-body code{
  font-family:"JetBrains Mono",Consolas,Menlo,monospace;font-size:14px;
  background:#F2F0EB;border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:#2A2438;
}
.article-body pre{
  background:linear-gradient(160deg,var(--deep),var(--deep-2));color:#E8E4FF;
  border-radius:12px;padding:18px 20px;overflow-x:auto;font-size:13.5px;line-height:1.75;margin:1.6em 0;
}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0;font-size:13.5px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body th{background:var(--deep);color:#F4F2EE;font-weight:700;text-align:left;padding:12px 14px;font-size:14px;}
.article-body td{border-top:1px solid var(--line-soft);padding:12px 14px;color:var(--text);}
.article-body tbody tr:nth-child(even){background:#FAF9F6;}

/* ---------- toc ---------- */
.toc{display:none;}
@media (min-width:1280px){
  .toc{display:block;}
  .toc-inner{position:sticky;top:96px;border-left:1px solid var(--line);padding-left:20px;}
}
.toc h2{font-size:13px;letter-spacing:.14em;color:var(--muted);font-weight:700;margin-bottom:14px;text-transform:uppercase;}
.toc a{display:block;font-size:14px;color:var(--muted);padding:6px 0;line-height:1.55;border-left:3px solid transparent;margin-left:-21px;padding-left:18px;}
.toc a:hover{color:var(--brand-deep);}
.toc a.is-active{color:var(--ink);font-weight:700;border-left-color:var(--brand);}
.toc a.lv3{padding-left:32px;font-size:13.5px;}

/* ---------- tags / footer nav of article ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line-soft);}
.article-tags .label{font-size:13px;color:var(--muted);letter-spacing:.08em;}
.tag-link{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text);font-size:13.5px;font-weight:600;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
}
.tag-link:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft);transform:translateY(-2px);}

.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 0;}

.empty-state{
  border:1px dashed var(--line);background:#fff;border-radius:var(--r-card);
  padding:48px 28px;text-align:center;box-shadow:var(--shadow);
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.section-head h2{font-size:clamp(23px,2.8vw,34px);line-height:1.28;}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:620px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand-deep);border-bottom:1px dashed rgba(18,169,140,.6);padding-bottom:3px;}
.text-link:hover{color:var(--brand);border-bottom-style:solid;gap:12px;}

.related-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.post-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:linear-gradient(135deg,rgba(33,214,180,.14),rgba(255,158,44,.12));}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .thumb .badge{position:absolute;left:14px;top:14px;background:rgba(23,15,43,.82);color:#8CF3DF;}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:17.5px;line-height:1.5;}
.post-card h3 a{color:var(--ink);}
.post-card:hover h3 a{color:var(--brand-deep);}
.post-card .desc{font-size:14px;color:var(--muted);line-height:1.7;margin:0;flex:1;}
.post-card .foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:24px 4px;font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-item.is-open .faq-q{color:var(--brand-deep);}
.faq-q .ic{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-q .ic{transform:rotate(180deg);border-color:var(--brand);color:var(--brand-deep);}
.faq-a{display:none;background:#FBF9F5;border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:18px 22px;margin:0 0 22px;color:var(--text);font-size:15.5px;line-height:1.8;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#F4F2EE;
  background:linear-gradient(135deg,var(--deep),var(--deep-2));
  border-radius:24px;padding:52px 44px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(33,214,180,.35),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr .6fr;gap:40px;}}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.8vw,34px);line-height:1.28;margin-bottom:12px;}
.cta-inner p{color:rgba(244,242,238,.76);margin:0;max-width:640px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(244,242,238,.72);margin-top:80px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:#F4F2EE;font-size:17px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(244,242,238,.62);max-width:340px;margin:0;}
.site-footer h4{color:#F4F2EE;font-size:14px;letter-spacing:.1em;margin-bottom:18px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(244,242,238,.7);font-size:14.5px;}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(244,242,238,.68);}
.footer-contact svg{stroke:var(--brand);flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(244,242,238,.55);
}
.footer-bottom a{color:rgba(244,242,238,.7);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav,.header-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .article-hero{padding:48px 0 52px;}
  .section{padding:64px 0;}
  .cta-band{padding:40px 26px;border-radius:20px;}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .brand-text{font-size:15px;}
  .brand-text i{display:none;}
  .article-hero{padding:36px 0 42px;}
  .article-hero h1{font-size:26px;}
  .article-wrap{padding:36px 0 0;}
  .article-body{font-size:16.5px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:24px;}
  .footer-grid{gap:28px;}
  .site-footer{padding-top:48px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#21D6B4;
  --brand-dark:#12B394;
  --brand-soft:rgba(33,214,180,.12);
  --accent:#FF9E2C;
  --accent-dark:#F08A12;
  --ink:#14121C;
  --body-text:#3A3550;
  --muted:#6E6885;
  --deep:#170F2B;
  --deep-2:#221643;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E3DC;
  --line-soft:#EFEBE4;
  --ok:#1FA37A;
  --warn:#E5A100;
  --err:#D6453D;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 12px 32px rgba(20,18,28,.08);
  --shadow-2:0 18px 40px rgba(20,18,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --gutter:24px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--body-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* Foundation 覆盖 */
.grid-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-x{margin-left:calc(var(--gutter) / -2);margin-right:calc(var(--gutter) / -2);}
.grid-x>.cell{padding-left:calc(var(--gutter) / 2);padding-right:calc(var(--gutter) / 2);min-width:0;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.28;letter-spacing:-.01em;}
p{max-width:820px;}

/* 通用排版 */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-dark);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block;}
.sec-title{font-size:clamp(24px,3vw,36px);font-weight:700;}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:720px;margin-top:12px;}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section--paper{background:var(--paper);}
.section--white{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{margin-bottom:40px;}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.badge--solid{background:var(--deep);color:#F4F2EE;}
.badge--accent{background:rgba(255,158,44,.14);color:#B95F00;}
.num-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--radius-sm);
  background:var(--brand-soft);color:var(--brand-dark);
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-accent{background:var(--accent);color:#2A1600;box-shadow:0 8px 22px rgba(255,158,44,.28);}
.btn-accent:hover{background:#FFAB4A;color:#2A1600;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,158,44,.34);}
.btn-accent:active{transform:translateY(0);background:#F08A12;}
.btn-ghost{border-color:rgba(244,242,238,.45);color:#F4F2EE;background:rgba(244,242,238,.04);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(33,214,180,.08);transform:translateY(-2px);}
.btn-line{border-color:var(--line);color:var(--ink);background:#fff;}
.btn-line:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);transform:translateY(-2px);}
.btn-brand{background:var(--brand);color:#04332A;}
.btn-brand:hover{background:#3BE0C1;color:#04332A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(33,214,180,.3);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--brand-dark);border-bottom:1px dashed rgba(18,179,148,.5);padding-bottom:2px;
  transition:border-color .18s var(--ease),transform .18s var(--ease),color .18s var(--ease);
}
.text-link:hover{border-bottom-style:solid;border-bottom-color:var(--brand);transform:translateX(2px);}
.text-link svg{transition:transform .18s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.94);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(20,18,28,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .22s var(--ease);}
.site-header.is-scrolled .header-inner{height:56px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,#12B394 100%);
  color:#04332A;font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(33,214,180,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;padding:10px 14px;font-size:14.5px;font-weight:500;color:var(--body-text);
  border-radius:10px;transition:color .18s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .18s var(--ease);
}
.main-nav a:hover{color:var(--brand-dark);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--deep);color:#F4F2EE;
  padding:88px 24px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
}
.drawer.is-open{transform:translateX(0);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px;}
.drawer-nav a{
  padding:14px 16px;border-radius:12px;color:rgba(244,242,238,.82);
  font-size:16px;font-weight:500;border-left:3px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(33,214,180,.1);border-left-color:var(--brand);color:#F4F2EE;}
.drawer-foot{border-top:1px solid rgba(244,242,238,.14);padding-top:20px;font-size:14px;color:rgba(244,242,238,.7);display:flex;flex-direction:column;gap:10px;}
.drawer-close{
  position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(244,242,238,.24);background:transparent;color:#F4F2EE;font-size:20px;line-height:1;
}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#F4F2EE;padding:56px 0 72px;}
.hero-media{
  position:absolute;inset:0;
  background-image:linear-gradient(102deg,rgba(23,15,43,.95) 0%,rgba(23,15,43,.82) 44%,rgba(23,15,43,.36) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(244,242,238,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(244,242,238,.055) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero .grid-container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(244,242,238,.66);margin-bottom:26px;}
.crumbs a{color:rgba(244,242,238,.66);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{opacity:.5;}
.crumbs .current{color:rgba(244,242,238,.9);}
.hero h1{
  color:#F4F2EE;font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  max-width:760px;margin-top:18px;
}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(244,242,238,.78);max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;}
.hero-point{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border:1px solid rgba(244,242,238,.2);border-radius:999px;
  font-size:13.5px;color:rgba(244,242,238,.86);
}
.hero-point svg{stroke:var(--brand);}

/* 快速要点 */
.points-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.point-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.point-card h3{font-size:17px;margin:16px 0 10px;}
.point-card p{font-size:14.5px;color:var(--muted);line-height:1.75;max-width:none;}

/* 目录 + 内容块 */
.guide-layout{margin-top:8px;}
.toc-side{position:relative;}
.toc-card{
  position:sticky;top:92px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-1);
}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;}
.toc-list{margin-top:16px;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--body-text);
  border-left:2px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.toc-list a b{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:13px;line-height:1.9;}
.toc-list a:hover,.toc-list a.is-active{background:var(--brand-soft);color:var(--ink);border-left-color:var(--brand);}
.toc-cta{
  margin-top:22px;padding:18px;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--deep) 0%,var(--deep-2) 100%);color:rgba(244,242,238,.82);
  font-size:14px;line-height:1.7;
}
.toc-cta strong{display:block;color:#F4F2EE;font-size:15px;margin-bottom:6px;}
.toc-cta .btn{margin-top:14px;width:100%;}

.guide-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 34px 30px;box-shadow:var(--shadow-1);
  scroll-margin-top:96px;
}
.guide-block + .guide-block{margin-top:24px;}
.guide-block-head{display:flex;gap:16px;align-items:flex-start;}
.guide-block h2{font-size:clamp(20px,2.2vw,26px);margin-top:2px;}
.guide-block .lead{margin-top:14px;font-size:15.5px;color:var(--body-text);}
.rule{height:1px;background:var(--line-soft);margin:24px 0;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--body-text);}
.check-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:11px;border-radius:2px;background:var(--brand);
}
.note{
  margin-top:22px;padding:16px 18px;border-left:4px solid var(--brand);
  background:var(--paper);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:14.5px;color:var(--body-text);
}
.inline-figure{margin-top:26px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);}
.inline-figure img{aspect-ratio:16/9;object-fit:cover;width:100%;}
.inline-figure figcaption{padding:12px 16px;font-size:13px;color:var(--muted);background:#fff;}

/* 场景横滚 */
.scene-rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.scene-rail::-webkit-scrollbar{height:6px;}
.scene-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.scene-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand);}
.scene-thumb{position:relative;overflow:hidden;}
.scene-thumb img{aspect-ratio:4/3;object-fit:cover;transition:transform .35s var(--ease);}
.scene-card:hover .scene-thumb img{transform:scale(1.03);}
.scene-thumb .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--deep);}
.scene-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:17px;}
.scene-body p{font-size:14px;color:var(--muted);max-width:none;}
.scene-body .text-link{margin-top:auto;align-self:flex-start;}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{position:relative;padding-top:34px;}
.step::before{
  content:"";position:absolute;top:15px;left:0;right:-24px;height:1px;background:var(--line);
}
.step:last-child::before{right:0;background:transparent;}
.step-dot{
  position:absolute;top:6px;left:0;width:20px;height:20px;border-radius:50%;
  border:2px solid var(--line);background:#fff;
}
.step.is-current .step-dot{border-color:var(--brand);background:var(--brand);box-shadow:0 0 0 5px var(--brand-soft);}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);max-width:none;}
.step span.step-idx{display:block;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand-dark);margin-bottom:8px;}

/* FAQ */
.faq{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:22px 4px;cursor:pointer;list-style:none;
  border-left:4px solid transparent;transition:background .18s var(--ease),border-color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(247,245,241,.9);}
.faq-item summary h3{font-size:17.5px;font-weight:700;flex:1;}
.faq-idx{font-size:13px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.faq-arrow{
  flex:0 0 auto;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  transition:transform .22s var(--ease);color:var(--muted);
}
.faq-item[open] summary{border-left-color:var(--brand);background:var(--brand-soft);}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand-dark);}
.faq-body{padding:6px 4px 26px 40px;}
.faq-body p{font-size:15px;color:var(--body-text);background:var(--paper);padding:16px 18px;border-radius:var(--radius-sm);max-width:none;}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;background:var(--deep);color:#F4F2EE;
  border-radius:24px;padding:56px 48px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(244,242,238,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(244,242,238,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-band .inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;}
.cta-band h2{color:#F4F2EE;font-size:clamp(22px,2.6vw,32px);max-width:520px;}
.cta-band p{color:rgba(244,242,238,.76);margin-top:12px;font-size:15.5px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 页脚 */
.site-footer{background:var(--deep);color:rgba(244,242,238,.72);margin-top:96px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:#F4F2EE;font-size:16px;font-weight:700;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(244,242,238,.66);max-width:320px;}
.site-footer h4{color:#F4F2EE;font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(244,242,238,.72);}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;}
.footer-contact svg{stroke:var(--brand);flex:0 0 auto;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(244,242,238,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(244,242,238,.56);
}
.footer-bottom a{color:rgba(244,242,238,.72);}
.footer-bottom a:hover{color:var(--brand);}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.in{opacity:1;transform:none;}

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

/* 响应式 */
@media (max-width:1279px){
  .points-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .step:nth-child(2)::before{right:0;}
  .step:nth-child(3)::before{left:0;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .points-grid{grid-template-columns:repeat(2,1fr);}
  .toc-card{position:static;top:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .guide-block{padding:28px 24px 26px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .hero{padding:40px 0 56px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-points{gap:10px;margin-top:32px;}
  .hero-point{font-size:13px;padding:8px 12px;}
  .points-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step::before{display:none;}
  .cta-band{padding:40px 24px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-body{padding-left:8px;}
  .section{padding:52px 0;}
}
@media (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:14.5px;}
  .header-actions .btn{display:none;}
  .scene-card{flex:0 0 82%;}
  .guide-block h2{font-size:19px;}
}

/* roulang page: category2 */
:root{
  --brand:#21D6B4;
  --brand-dark:#12ac8e;
  --brand-soft:rgba(33,214,180,.12);
  --accent:#FF9E2C;
  --accent-dark:#e8891a;
  --deep:#170F2B;
  --deep-2:#221643;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E3DC;
  --divider:#EFEBE4;
  --t1:#14121C;
  --t2:#3A3550;
  --t3:#6E6885;
  --on-deep:#F4F2EE;
  --ok:#1FA37A;
  --warn:#E5A100;
  --err:#D6453D;
  --r:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,28,.06),0 12px 32px rgba(20,18,28,.08);
  --sh-2:0 18px 40px rgba(20,18,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--brand-soft);}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

.section{padding:104px 0;}
.section--tight{padding:64px 0;}
@media (max-width:1023px){.section{padding:64px 0;}.section--tight{padding:48px 0;}}
@media (max-width:639px){.section{padding:52px 0;}.section--tight{padding:44px 0;}
  .grid-container{padding-left:18px;padding-right:18px;}}

.section-head{margin-bottom:44px;max-width:720px;}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.28;margin-bottom:14px;}
.section-head p{margin:0;color:var(--t3);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brand);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-accent{background:var(--accent);color:#31200a;box-shadow:0 8px 20px rgba(255,158,44,.28);}
.btn-accent:hover{background:#ffab48;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,158,44,.34);}
.btn-accent:active{transform:translateY(0);background:var(--accent-dark);}
.btn-ghost{border-color:rgba(244,242,238,.34);color:var(--on-deep);}
.btn-ghost:hover{background:rgba(244,242,238,.1);transform:translateY(-2px);}
.btn-outline{border-color:var(--brand);color:var(--brand-dark);background:transparent;}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:52px;padding:0 32px;font-size:16px;}

.textlink{color:var(--brand-dark);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px dashed rgba(33,214,180,.6);padding-bottom:2px;
  transition:border-color .18s var(--ease),transform .18s var(--ease),color .18s var(--ease);}
.textlink:hover{border-bottom-style:solid;border-bottom-color:var(--brand-dark);transform:translateX(3px);}
.textlink svg{transition:transform .18s var(--ease);}
.textlink:hover svg{transform:translateX(3px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-dark{background:rgba(255,255,255,.1);color:var(--on-deep);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--divider);
  transition:height .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 22px rgba(20,18,28,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .2s var(--ease);}
.site-header.scrolled .header-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand) 0%,#0f5f63 120%);
  color:#062a26;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(33,214,180,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text strong{font-size:16.5px;font-weight:800;color:var(--t1);letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--brand-dark);font-weight:700;letter-spacing:.18em;}
.main-nav{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;padding:6px 2px;font-size:15px;font-weight:500;color:var(--t2);
  transition:color .18s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width .18s var(--ease);
}
.main-nav a:hover{color:var(--brand-dark);}
.main-nav a:hover::after{width:100%;}
.main-nav a.active{color:var(--t1);font-weight:700;}
.main-nav a.active::after{width:100%;height:3px;}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-burger:hover{border-color:var(--brand);background:var(--brand-soft);}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(88vw,380px);background:var(--deep);
  z-index:120;transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,15,43,.55);z-index:110;opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-head .brand-text strong{color:var(--on-deep);}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(244,242,238,.18);
  background:transparent;color:var(--on-deep);cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(244,242,238,.08);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:26px;}
.drawer-nav a{
  padding:14px 12px;border-radius:12px;color:rgba(244,242,238,.78);font-size:15.5px;font-weight:600;
  border-left:3px solid transparent;transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.drawer-nav a:hover{background:rgba(244,242,238,.07);color:var(--on-deep);}
.drawer-nav a.active{background:rgba(33,214,180,.12);border-left-color:var(--brand);color:var(--on-deep);}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(244,242,238,.12);
  color:rgba(244,242,238,.6);font-size:13.5px;line-height:2;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--deep);
  min-height:380px;display:flex;align-items:center;
  padding:64px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(23,15,43,.94) 0%,rgba(23,15,43,.82) 46%,rgba(34,22,67,.55) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .grid-container{position:relative;z-index:2;width:100%;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(244,242,238,.6);margin-bottom:22px;}
.crumbs a{color:rgba(244,242,238,.82);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.5;}
.crumbs .now{color:rgba(244,242,238,.55);}
.hero-badge{margin-bottom:18px;}
.hero-badge .badge{background:rgba(33,214,180,.16);color:#7cf0d8;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;
  letter-spacing:-.01em;max-width:840px;margin-bottom:18px;
}
.page-hero .hero-sub{
  color:rgba(244,242,238,.78);font-size:17px;max-width:620px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(244,242,238,.14);}
.hero-chips li{display:flex;align-items:center;gap:8px;color:rgba(244,242,238,.8);font-size:14px;font-weight:600;}
.hero-chips svg{color:var(--brand);flex-shrink:0;}
@media (max-width:767px){
  .page-hero{min-height:0;padding:48px 0 54px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-chips{gap:14px 20px;}
}

/* ---------- card matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 26px;display:flex;flex-direction:column;position:relative;
  box-shadow:0 1px 2px rgba(20,18,28,.04);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.mcard:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2);}
.mcard-num{
  font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--t3);
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.mcard-icon{
  width:44px;height:44px;border-radius:var(--r-sm);background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-dark);margin-bottom:18px;
}
.mcard h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.mcard p{font-size:14.8px;color:var(--t3);line-height:1.75;margin-bottom:20px;}
.mcard .mcard-link{margin-top:auto;}
.mcard--wide{grid-column:span 2;padding:0;overflow:hidden;flex-direction:row;align-items:stretch;}
.mcard--wide .wide-media{flex:0 0 44%;position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(33,214,180,.16),rgba(255,158,44,.1));}
.mcard--wide .wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.mcard--wide:hover .wide-media img{transform:scale(1.04);}
.mcard--wide .wide-media .badge{position:absolute;top:16px;left:16px;background:rgba(23,15,43,.72);color:#fff;}
.mcard--wide .wide-body{padding:30px 28px;display:flex;flex-direction:column;flex:1;}
.mcard--wide h3{font-size:22px;}
.mcard--wide p{font-size:15px;}
@media (max-width:1023px){
  .matrix{grid-template-columns:repeat(2,1fr);gap:20px;}
  .mcard--wide{grid-column:span 2;flex-direction:column;}
  .mcard--wide .wide-media{flex:none;height:220px;width:100%;}
}
@media (max-width:639px){
  .matrix{grid-template-columns:1fr;}
  .mcard--wide{grid-column:span 1;}
  .mcard{padding:24px 20px;}
  .mcard--wide .wide-body{padding:24px 20px;}
}

/* ---------- scenario split ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.split-media{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-media .tag{
  position:absolute;left:18px;bottom:18px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(23,15,43,.78);color:#fff;font-size:12.5px;font-weight:700;display:flex;align-items:center;gap:7px;
}
.split-media .tag i{width:7px;height:7px;border-radius:50%;background:var(--brand);display:block;}
.scene-list{display:flex;flex-direction:column;}
.scene{
  display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px 0;
  border-top:1px solid var(--divider);transition:background-color .2s var(--ease);
}
.scene:last-child{border-bottom:1px solid var(--divider);}
.scene-idx{
  font-size:15px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;
  padding-top:3px;letter-spacing:.02em;
}
.scene h3{font-size:17.5px;font-weight:700;margin-bottom:6px;}
.scene p{margin:0;font-size:14.8px;color:var(--t3);}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:34px;}
}

/* ---------- stats band ---------- */
.stats-band{background:var(--deep);position:relative;overflow:hidden;}
.stats-band::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
.stats-band .grid-container{position:relative;z-index:2;}
.stats-band .band-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:48px;}
.stats-band h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;max-width:560px;}
.stats-band .band-note{color:rgba(244,242,238,.62);font-size:14.5px;max-width:320px;margin:0;}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat{padding:6px 28px;border-left:1px solid rgba(244,242,238,.14);}
.stat:first-child{border-left:none;padding-left:0;}
.stat-num{
  font-size:clamp(36px,4vw,52px);font-weight:800;color:#fff;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:.44em;font-weight:700;color:rgba(244,242,238,.62);margin-left:4px;letter-spacing:0;}
.stat-num.hl{color:var(--brand);}
.stat p{margin:12px 0 0;font-size:13.5px;color:rgba(244,242,238,.66);line-height:1.65;}
@media (max-width:1023px){
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
}
@media (max-width:639px){
  .stats{grid-template-columns:1fr;gap:0;}
  .stat{border-left:none;padding:22px 0;border-bottom:1px solid rgba(244,242,238,.12);}
  .stat:first-child{padding-top:0;}
  .stat:last-child{border-bottom:none;padding-bottom:0;}
}

/* ---------- checklist band ---------- */
.checkband{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.check{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px 22px;display:flex;gap:12px;align-items:flex-start;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.check:hover{border-color:var(--brand);transform:translateY(-2px);}
.check svg{color:var(--brand-dark);flex-shrink:0;margin-top:4px;}
.check strong{display:block;font-size:15.5px;color:var(--t1);margin-bottom:4px;}
.check span{font-size:13.8px;color:var(--t3);line-height:1.7;}
.side-note{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:30px 28px;box-shadow:var(--sh-1);
}
.side-note h3{font-size:19px;margin-bottom:12px;}
.side-note p{font-size:14.6px;color:var(--t3);}
.side-note .note-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:12px;}
.side-note .note-list li{display:flex;gap:10px;font-size:14.4px;color:var(--t2);}
.side-note .note-list li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand);margin-top:9px;flex-shrink:0;}
@media (max-width:1023px){
  .checkband{grid-template-columns:1fr;gap:34px;}
}
@media (max-width:639px){
  .checklist{grid-template-columns:1fr;}
}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--divider);}
.faq details{border-bottom:1px solid var(--divider);}
.faq summary{
  list-style:none;cursor:pointer;padding:24px 44px 24px 0;position:relative;
  font-size:18px;font-weight:700;color:var(--t1);line-height:1.5;
  transition:color .18s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand-dark);}
.faq summary::after{
  content:"";position:absolute;right:8px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--t3);border-bottom:2px solid var(--t3);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s var(--ease),border-color .2s var(--ease);
}
.faq details[open] summary{color:var(--brand-dark);}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand-dark);}
.faq .faq-body{
  padding:0 24px 26px 20px;margin-left:0;border-left:4px solid var(--brand);
  background:linear-gradient(90deg,rgba(255,255,255,.9),rgba(247,245,241,0));
  color:var(--t3);font-size:15.4px;line-height:1.85;border-radius:0 12px 12px 0;
}
.faq .faq-body p:last-child{margin-bottom:0;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--deep-2);border-radius:auto;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,15,43,.94),rgba(33,214,180,.16) 130%);
}
.cta-band::after{
  content:"";position:absolute;top:-60px;right:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(33,214,180,.22),transparent 68%);
}
.cta-band .grid-container{position:relative;z-index:2;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;margin-bottom:12px;}
.cta-inner p{color:rgba(244,242,238,.72);margin:0;max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(244,242,238,.72);padding:72px 0 26px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(244,242,238,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;font-size:18px;}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800;}
.footer-about{margin:0;font-size:14px;line-height:1.85;max-width:340px;color:rgba(244,242,238,.6);}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(244,242,238,.68);font-size:14px;transition:color .18s var(--ease),transform .18s var(--ease);}
.footer-links a:hover{color:var(--brand);transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:13px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(244,242,238,.68);}
.footer-contact svg{stroke:var(--brand);flex-shrink:0;margin-top:4px;}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  color:rgba(244,242,238,.5);font-size:13.5px;
}
.footer-bottom a{color:rgba(244,242,238,.62);}
.footer-bottom a:hover{color:var(--brand);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding:52px 0 22px;}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
:root{
  --brand:#21D6B4;
  --brand-dark:#12B394;
  --brand-soft:rgba(33,214,180,.12);
  --amber:#FF9E2C;
  --amber-dark:#E8871A;
  --ink:#170F2B;
  --ink-2:#221643;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E7E3DC;
  --line-soft:#EFEBE4;
  --text:#14121C;
  --body:#3A3550;
  --muted:#6E6885;
  --on-dark:#F4F2EE;
  --success:#1FA37A;
  --warn:#E5A100;
  --error:#D6453D;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 1px 2px rgba(20,18,28,.06),0 12px 32px rgba(20,18,28,.08);
  --shadow-hover:0 18px 40px rgba(20,18,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.28;}
h3{font-size:clamp(19px,1.6vw,23px);line-height:1.4;}
h4{font-size:16.5px;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
strong{color:var(--text);font-weight:700;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

.grid-x.gutter{margin-left:-12px;margin-right:-12px;}
.grid-x.gutter>.cell{padding-left:12px;padding-right:12px;}
@media (min-width:1024px){
  .grid-x.gutter{margin-left:-16px;margin-right:-16px;}
  .grid-x.gutter>.cell{padding-left:16px;padding-right:16px;}
}
.grid-x.tight{margin-left:-8px;margin-right:-8px;}
.grid-x.tight>.cell{padding-left:8px;padding-right:8px;}

/* ---------------- 头部导航 ---------------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.84);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(20,18,28,.06);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .22s var(--ease);}
.site-header.is-scrolled .nav-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#0FA98D);
  color:#08211C;font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(33,214,180,.32);
}
.brand-text{font-size:16.5px;font-weight:800;color:var(--text);letter-spacing:.01em;white-space:nowrap;}
.brand-text .brand-sub{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em;line-height:1.2;}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;font-size:15px;color:var(--body);border-radius:var(--radius-sm);
  transition:color .18s var(--ease);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .18s var(--ease);
}
.main-nav a:hover{color:var(--brand-dark);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--text);font-weight:700;}
.main-nav a.active::after{transform:scaleX(1);}

.nav-cta{
  margin-left:8px;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--pill);
  background:var(--amber);color:#2A1704;font-weight:700;font-size:14.5px;
  box-shadow:0 8px 20px rgba(255,158,44,.28);
  transition:transform .18s var(--ease),filter .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-cta:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,158,44,.34);}
.nav-cta:active{transform:translateY(0);filter:brightness(.96);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);align-items:center;justify-content:center;flex-direction:column;gap:4px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;inset:0;z-index:200;background:linear-gradient(170deg,var(--ink) 0%,var(--ink-2) 100%);
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:800;font-size:15px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(244,242,238,.22);
  color:var(--on-dark);display:flex;align-items:center;justify-content:center;font-size:20px;
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:15px 14px;border-radius:12px;color:rgba(244,242,238,.82);font-size:16px;
  border-left:3px solid transparent;transition:background .18s var(--ease),color .18s var(--ease);
}
.drawer-nav a:hover{background:rgba(244,242,238,.06);color:var(--on-dark);}
.drawer-nav a.active{background:rgba(33,214,180,.12);border-left-color:var(--brand);color:var(--on-dark);font-weight:700;}
.drawer-cta{margin-top:24px;justify-content:center;}
.drawer-foot{margin-top:auto;padding-top:28px;border-top:1px solid rgba(244,242,238,.14);color:rgba(244,242,238,.66);font-size:14px;display:flex;flex-direction:column;gap:8px;}

/* ---------------- 按钮与徽章 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);font-size:15.5px;font-weight:700;
  transition:transform .18s var(--ease),filter .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  border:1px solid transparent;min-height:46px;
}
.btn-primary{background:var(--amber);color:#2A1704;box-shadow:0 10px 24px rgba(255,158,44,.28);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,158,44,.36);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{border-color:rgba(244,242,238,.42);color:var(--on-dark);}
.btn-ghost:hover{background:rgba(244,242,238,.12);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{border-color:var(--brand);color:var(--brand-dark);background:transparent;}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-solid-dark{background:var(--ink);color:var(--on-dark);}
.btn-solid-dark:hover{background:var(--ink-2);transform:translateY(-2px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--pill);background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-amber{background:rgba(255,158,44,.14);color:#A85F06;}
.badge-dark{background:rgba(244,242,238,.14);color:var(--on-dark);}

.arrow-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:700;font-size:14.5px;
  border-bottom:1px dashed rgba(18,179,148,.55);padding-bottom:2px;
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.arrow-link:hover{border-bottom-style:solid;transform:translateX(2px);}
.arrow-link svg{transition:transform .18s var(--ease);}
.arrow-link:hover svg{transform:translateX(4px);}

/* ---------------- Hero ---------------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink);
  min-height:400px;display:flex;align-items:center;
  padding:88px 0 72px;
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.5;
}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(23,15,43,.94) 0%,rgba(23,15,43,.82) 46%,rgba(23,15,43,.42) 100%);
}
.page-hero .hero-grid{
  position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(244,242,238,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(244,242,238,.6) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .hero-content{position:relative;z-index:2;max-width:720px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(244,242,238,.66);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:rgba(244,242,238,.82);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:rgba(244,242,238,.6);}
.page-hero h1{color:var(--on-dark);margin-bottom:18px;}
.page-hero h1 .hl{color:var(--brand);}
.hero-sub{color:rgba(244,242,238,.78);font-size:17.5px;max-width:640px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(244,242,238,.82);}
.trust-item svg{stroke:var(--brand);flex:0 0 auto;}

/* ---------------- 区块通用 ---------------- */
.section{padding:88px 0;}
.section-alt{background:var(--card);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-dark{background:linear-gradient(150deg,var(--ink) 0%,var(--ink-2) 100%);color:rgba(244,242,238,.78);}
.section-dark h2,.section-dark h3{color:var(--on-dark);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--brand-dark);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:26px;height:1px;background:var(--brand);display:block;}
.section-head p{margin-top:14px;color:var(--muted);max-width:700px;}
.section-head.flex-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap;}

/* ---------------- 现象速览：非对称卡组 ---------------- */
.feature-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(33,214,180,.5);}
.feature-card .fc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,rgba(33,214,180,.16),rgba(255,158,44,.14));}
.feature-card .fc-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.feature-card:hover .fc-media img{transform:scale(1.03);}
.feature-card .fc-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.feature-card h3{font-size:22px;}
.feature-card .fc-body p{color:var(--muted);font-size:15px;}

.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 24px;height:100%;display:flex;flex-direction:column;gap:10px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(33,214,180,.5);}
.mini-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);flex:0 0 auto;
}
.mini-icon svg{stroke:var(--brand-dark);}
.mini-card h4{font-size:16.5px;}
.mini-card p{font-size:14.5px;color:var(--muted);}

.num-tag{
  font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* ---------------- 时间轴排查流程 ---------------- */
.timeline{position:relative;padding:8px 0 0;}
.timeline::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;
  background:linear-gradient(180deg,rgba(33,214,180,.0),var(--line) 8%,var(--line) 92%,rgba(231,227,220,0));
  transform:translateX(-.5px);
}
.tl-item{position:relative;width:50%;padding:0 56px 34px 0;}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 34px 56px;}
.tl-dot{
  position:absolute;top:30px;width:14px;height:14px;border-radius:50%;
  background:var(--paper);border:2px solid rgba(33,214,180,.55);z-index:2;
}
.tl-item:nth-child(odd) .tl-dot{right:-7px;}
.tl-item:nth-child(even) .tl-dot{left:-7px;}
.tl-item.is-active .tl-dot{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 5px rgba(33,214,180,.18);}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 24px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(33,214,180,.5);}
.tl-step{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.tl-step .step-idx{
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--brand-dark);
  font-variant-numeric:tabular-nums;
}
.tl-step .step-line{flex:1;height:1px;background:var(--line);}
.tl-card h3{font-size:20px;margin-bottom:10px;}
.tl-card p{font-size:15px;color:var(--muted);}
.tick-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.tick-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--body);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--brand);
  opacity:.85;
}
.tl-note{
  margin-top:14px;padding:10px 14px;border-radius:var(--radius-sm);
  background:var(--paper);border:1px solid var(--line-soft);font-size:14px;color:var(--muted);
}
.tl-note strong{color:var(--text);}

/* ---------------- 图文自检区 ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);aspect-ratio:4/3;background:linear-gradient(140deg,rgba(33,214,180,.16),rgba(255,158,44,.14));
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media .media-tag{
  position:absolute;left:16px;top:16px;z-index:2;
}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 22px;margin-top:22px;}
.check-item{display:flex;gap:12px;align-items:flex-start;}
.check-item .ck{
  width:24px;height:24px;border-radius:8px;flex:0 0 auto;margin-top:3px;
  display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand-dark);
}
.check-item strong{display:block;font-size:15.5px;}
.check-item span{font-size:14px;color:var(--muted);}

/* ---------------- 易忽略情况 ---------------- */
.warn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.warn-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.warn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(33,214,180,.5);}
.warn-card .warn-top{display:flex;align-items:center;justify-content:space-between;}
.warn-card h3{font-size:17.5px;}
.warn-card p{font-size:14.5px;color:var(--muted);}

/* ---------------- FAQ ---------------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0 22px 0;text-align:left;
  transition:color .18s var(--ease);
}
.faq-q span{font-size:18px;font-weight:700;color:var(--text);line-height:1.5;}
.faq-q:hover span{color:var(--brand-dark);}
.faq-arrow{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.faq-item.is-open .faq-q span{color:var(--brand-dark);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a-inner{
  padding:0 0 24px 18px;border-left:4px solid var(--brand);
  background:linear-gradient(90deg,rgba(33,214,180,.05),rgba(33,214,180,0));
  font-size:15px;color:var(--body);
}
.faq-a-inner p{padding-top:2px;}

/* ---------------- CTA 通栏 ---------------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(140deg,var(--ink) 0%,var(--ink-2) 100%);
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(33,214,180,.28),rgba(33,214,180,0) 70%);
  pointer-events:none;
}
.cta-band h2{color:var(--on-dark);margin-bottom:10px;}
.cta-band p{color:rgba(244,242,238,.72);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------------- 页脚 ---------------- */
.site-footer{background:var(--ink);color:rgba(244,242,238,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:var(--on-dark);font-size:16.5px;}
.footer-about{font-size:14.5px;color:rgba(244,242,238,.62);max-width:340px;}
.site-footer h4{color:var(--on-dark);font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.5px;color:rgba(244,242,238,.66);transition:color .18s var(--ease),transform .18s var(--ease);}
.footer-links a:hover{color:var(--brand);transform:translateX(3px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(244,242,238,.66);}
.footer-contact svg{stroke:var(--brand);flex:0 0 auto;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(244,242,238,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(244,242,238,.5);
}
.footer-bottom a{color:rgba(244,242,238,.7);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------------- 进场动画 ---------------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{scroll-behavior:auto !important;}
}

/* ---------------- 响应式 ---------------- */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid>div:last-child{grid-column:1 / -1;}
  .footer-contact{flex-direction:row;flex-wrap:wrap;gap:18px;}
}
@media (max-width:1023px){
  :root{--gap:64px;}
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .page-hero{padding:70px 0 58px;min-height:340px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .warn-grid{grid-template-columns:1fr 1fr;}
  .timeline::before{left:7px;transform:none;}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 26px 34px;}
  .tl-item:nth-child(odd) .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto;top:26px;}
  .cta-band{padding:44px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .warn-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-contact{flex-direction:column;gap:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .cta-band{border-radius:18px;padding:36px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .mini-card,.feature-card .fc-body{padding:20px;}
}
@media (max-width:519px){
  h1{font-size:27px;}
  .brand-text{font-size:14.5px;}
  .brand-text .brand-sub{font-size:10px;letter-spacing:.1em;}
  .brand-mark{width:32px;height:32px;font-size:16px;border-radius:10px;}
  .trust-row{gap:10px 18px;}
  .trust-item{font-size:13px;}
  .faq-q span{font-size:16.5px;}
}

/* roulang page: category4 */
:root{
  --brand:#21D6B4;
  --brand-deep:#12B698;
  --brand-soft:rgba(33,214,180,.12);
  --accent:#FF9E2C;
  --ink:#14121C;
  --body:#3A3550;
  --muted:#6E6885;
  --line:#E7E3DC;
  --line-soft:#EFEBE4;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --deep:#170F2B;
  --deep-2:#221643;
  --ok:#1FA37A;
  --warn:#E5A100;
  --err:#D6453D;
  --r-card:16px;
  --r-sm:10px;
  --r-btn:999px;
  --shadow:0 1px 2px rgba(20,18,28,.06),0 12px 32px rgba(20,18,28,.08);
  --shadow-hover:0 18px 40px rgba(20,18,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Inter",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
@media(min-width:1440px){
  .grid-container{max-width:1280px}
}
@media(max-width:640px){
  .grid-container{padding-left:18px;padding-right:18px}
  .grid-x{margin-left:-8px;margin-right:-8px}
  .grid-x>.cell{padding-left:8px;padding-right:8px}
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,241,.97);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(20,18,28,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
  transition:min-height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:56px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:#062A22;font-weight:800;font-size:19px;
  box-shadow:0 8px 20px rgba(33,214,180,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.main-nav a{
  position:relative;display:block;
  padding:8px 14px;font-size:15px;color:var(--body);border-radius:var(--r-sm);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;height:3px;width:0;border-radius:3px;
  background:var(--brand);transform:translateX(-50%);
  transition:width .18s var(--ease);
}
.main-nav a:hover{color:var(--brand-deep)}
.main-nav a:hover::after{width:22px}
.main-nav a.active{color:var(--ink);font-weight:700}
.main-nav a.active::after{width:26px}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 20px;border-radius:var(--r-btn);
  background:var(--accent);color:#3A2100;font-weight:700;font-size:14.5px;
  box-shadow:0 8px 20px rgba(255,158,44,.3);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.nav-cta:hover{color:#3A2100;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,158,44,.36)}
.nav-cta:active{transform:translateY(0);filter:brightness(.96)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);z-index:120;
  background:var(--deep);color:rgba(244,242,238,.86);
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
  box-shadow:-20px 0 60px rgba(20,18,28,.3);
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-top strong{color:#F4F2EE;font-size:16px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#F4F2EE;font-size:18px;cursor:pointer}
.drawer-nav{padding:12px 12px 0;display:flex;flex-direction:column}
.drawer-nav a{
  padding:14px 14px;border-radius:12px;color:rgba(244,242,238,.8);font-size:16px;
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-nav a.active{background:rgba(33,214,180,.14);border-left-color:var(--brand);color:#F4F2EE;font-weight:700}
.drawer-foot{margin-top:auto;padding:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13.5px;color:rgba(244,242,238,.62)}
.drawer-foot a{color:var(--brand)}
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,28,.5);z-index:110;opacity:0;pointer-events:none;transition:opacity .28s var(--ease)}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-deep)}
.crumb span.sep{margin:0 8px;opacity:.5}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;margin-top:18px;border-radius:20px;overflow:hidden;
  min-height:360px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(23,15,43,.94) 0%,rgba(23,15,43,.82) 46%,rgba(23,15,43,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:24px 24px;opacity:.75;
}
.hero-content{position:relative;z-index:2;padding:56px 48px;max-width:760px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(33,214,180,.16);border:1px solid rgba(33,214,180,.4);
  color:#7FF0DC;font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.cat-hero h1{
  color:#F4F2EE;font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.18;
  letter-spacing:-.01em;margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{color:rgba(244,242,238,.78);font-size:17px;max-width:640px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  color:rgba(244,242,238,.8);font-size:13.5px;
  padding-left:14px;border-left:1px solid rgba(255,255,255,.18);
}
.hero-points li:first-child{padding-left:0;border-left:0}
.hero-points svg{stroke:var(--brand);flex-shrink:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;min-height:46px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#3A2100;box-shadow:0 10px 24px rgba(255,158,44,.32)}
.btn-primary:hover{color:#3A2100;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,158,44,.4)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{background:transparent;color:#F4F2EE;border-color:rgba(244,242,238,.42)}
.btn-ghost:hover{color:#fff;background:rgba(244,242,238,.12);border-color:rgba(244,242,238,.72);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand-deep);border-color:var(--line)}
.btn-outline:hover{color:var(--brand-deep);background:var(--brand-soft);border-color:var(--brand);transform:translateY(-2px)}
.btn-brand-outline{background:transparent;color:var(--brand);border-color:rgba(33,214,180,.6)}
.btn-brand-outline:hover{color:#7FF0DC;background:rgba(33,214,180,.12);border-color:var(--brand);transform:translateY(-2px)}

/* ---------- Section shell ---------- */
.section{padding:88px 0}
.section.tight{padding-top:56px}
.section-head{margin-bottom:40px;max-width:820px}
.section-num{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-deep);
  text-transform:uppercase;margin-bottom:12px;
}
.section-num::before{content:"";width:28px;height:1px;background:var(--brand-deep);display:block}
.section h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.28;margin-bottom:14px}
.section-desc{color:var(--muted);font-size:16px;max-width:700px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--brand-deep);border-bottom:1px dotted var(--brand);
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.text-link:hover{border-bottom-style:solid;transform:translateX(2px)}

/* ---------- Compare table ---------- */
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;
}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
table.compare-table thead th{
  background:var(--deep);color:#F4F2EE;text-align:left;font-weight:600;
  padding:16px 18px;font-size:14px;letter-spacing:.02em;white-space:nowrap;
}
table.compare-table tbody td{
  padding:16px 18px;border-bottom:1px solid var(--line-soft);color:var(--body);vertical-align:top;
}
table.compare-table tbody tr:nth-child(even){background:#FBFAF7}
table.compare-table tbody tr:last-child td{border-bottom:0}
table.compare-table tbody tr:hover{background:var(--brand-soft)}
table.compare-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-btn);
  font-size:12.5px;font-weight:600;line-height:1.7;
}
.tag-ok{background:rgba(31,163,122,.12);color:var(--ok)}
.tag-warn{background:rgba(229,161,0,.14);color:#9A6C00}
.tag-info{background:var(--brand-soft);color:var(--brand-deep)}
.table-note{padding:14px 18px;border-top:1px solid var(--line-soft);font-size:13.5px;color:var(--muted);background:#FCFBF9}

/* ---------- Side panel ---------- */
.side-panel{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);
}
.side-card h3{font-size:19px;margin-bottom:16px}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--body);
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:var(--brand-soft);border:1.5px solid var(--brand);
}
.side-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow)}
.side-media img{width:100%;height:180px;object-fit:cover}
.side-media p{padding:14px 18px;font-size:13.5px;color:var(--muted);margin:0}
.side-cta{
  background:linear-gradient(160deg,var(--deep) 0%,var(--deep-2) 100%);
  border-radius:var(--r-card);padding:28px;color:rgba(244,242,238,.8);
}
.side-cta h3{color:#F4F2EE;font-size:19px;margin-bottom:10px}
.side-cta p{font-size:14.5px;margin-bottom:18px}

/* ---------- Feature cards ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.feature-card .idx{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--brand-deep);
  display:block;margin-bottom:16px;
}
.feature-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);margin-bottom:18px;
}
.feature-icon svg{stroke:var(--brand-deep);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:14.8px;color:var(--muted);margin-bottom:16px}
.feature-card .arrow-link{transition:transform .2s var(--ease);display:inline-flex;gap:6px;align-items:center}
.feature-card:hover .arrow-link{transform:translateX(4px)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:5px;width:23px;height:23px;border-radius:50%;
  background:var(--card);border:1.5px solid var(--line);
}
.tl-item.is-current::before{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 5px rgba(33,214,180,.14)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.tl-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.tl-card h3{font-size:18px;margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--muted);margin:0}
.tl-step{font-size:12.5px;font-weight:700;color:var(--brand-deep);letter-spacing:.1em;display:block;margin-bottom:8px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand-deep)}
.faq-arrow{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.faq-arrow svg{stroke:var(--body);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);background:var(--brand-soft);border-color:var(--brand)}
.faq-item.is-open .faq-arrow svg{stroke:var(--brand-deep)}
.faq-item.is-open .faq-q{color:var(--brand-deep)}
.faq-a{
  display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-body{
  position:relative;padding:0 4px 26px 20px;color:var(--body);font-size:15.5px;
}
.faq-a-body::before{content:"";position:absolute;left:0;top:2px;bottom:28px;width:4px;border-radius:4px;background:var(--brand)}
.faq-a-body p{background:#FBFAF7;border-radius:var(--r-sm);padding:16px 18px;margin:0}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;border-radius:20px;overflow:hidden;
  background:linear-gradient(120deg,var(--deep) 0%,var(--deep-2) 62%,#2C1A5C 100%);
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(33,214,180,.28),transparent 68%);
}
.cta-band-text{position:relative;z-index:2;max-width:620px}
.cta-band h2{color:#F4F2EE;font-size:clamp(23px,2.6vw,32px);margin-bottom:12px}
.cta-band p{color:rgba(244,242,238,.76);font-size:15.5px;margin:0}
.cta-band-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;background:var(--deep);color:rgba(244,242,238,.72);
  padding:72px 0 0;font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:18px}
.footer-brand strong{color:#F4F2EE;font-size:16.5px;font-weight:800}
.footer-about{font-size:14px;line-height:1.85;color:rgba(244,242,238,.62);max-width:340px}
.site-footer h4{color:#F4F2EE;font-size:15px;margin-bottom:18px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:rgba(244,242,238,.72);font-size:14.5px;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(244,242,238,.72);font-size:14.5px}
.footer-contact svg{stroke:var(--brand);flex-shrink:0;margin-top:4px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(244,242,238,.55);
}
.footer-bottom a{color:rgba(244,242,238,.72)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none !important;animation:none !important}
}

/* ---------- Responsive ---------- */
@media(max-width:1279px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1023px){
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .hero-content{padding:44px 32px}
  .cat-hero{min-height:320px}
  .side-panel{position:static;margin-top:28px}
  .cta-band{padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
  body{font-size:16px}
  .section{padding:52px 0}
  .cat-hero{border-radius:16px;min-height:auto}
  .hero-content{padding:36px 22px}
  .hero-points{gap:14px}
  .hero-points li{font-size:13px}
  .feature-grid{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:34px 22px;border-radius:16px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1}
  .faq-q{font-size:16.5px;padding:20px 2px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:10px}
  .table-card{border-radius:14px}
}
@media(max-width:519px){
  .brand-text small{display:none}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .btn{padding:12px 20px;font-size:15px}
}