/* roulang page: index */
:root{
  --brand-500:#0E9F8E;
  --brand-700:#0B4A3F;
  --brand-900:#062B26;
  --brand-300:#4FD1B8;
  --accent-500:#FF6A2B;
  --accent-300:#FFC24B;
  --ink-900:#0E1418;
  --ink-600:#4A565C;
  --ink-400:#8A969B;
  --bg:#F6F8F5;
  --surface:#FFFFFF;
  --surface-dark:#0B1F1C;
  --line:#E3E8E5;
  --grad-brand:linear-gradient(120deg,#0B4A3F 0%,#0E9F8E 55%,#8FE06A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D,#FFB020);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(11,31,28,.06);
  --shadow-2:0 12px 32px rgba(11,31,28,.10);
  --shadow-3:0 24px 60px rgba(11,31,28,.14);
  --sp:8px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700;line-height:1.2;}
h1{font-size:clamp(34px,5vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.5px;}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.3px;}
h3{font-size:20px;font-weight:650;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink-900);}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(14,159,142,.45);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{max-width:780px;}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-700);text-transform:uppercase;
  background:rgba(14,159,142,.10);
  border:1px solid rgba(14,159,142,.22);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);}
.lead{font-size:17px;color:var(--ink-600);max-width:660px;line-height:1.85;}
.grid-x{margin-left:-10px;margin-right:-10px;}
.grid-x>.cell{padding-left:10px;padding-right:10px;}
.row.gut{margin-left:-10px;margin-right:-10px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;display:flex;align-items:center;
  background:rgba(6,43,38,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 8px 24px rgba(6,43,38,.10);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),height .25s var(--ease);
}
.site-header.is-scrolled{
  background:var(--brand-900);
  box-shadow:var(--shadow-2);
  border-bottom-color:rgba(255,255,255,.10);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:.2px;white-space:nowrap;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(14,159,142,.35);
}
.brand-mark svg{width:18px;height:18px;stroke:#fff;stroke-width:1.9;fill:none;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.62);letter-spacing:.16em;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;color:#fff;font-size:15px;font-weight:500;
  padding:8px 14px;border-radius:var(--r-pill);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-300);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;background:rgba(79,209,184,.16);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.20);
}
.nav-search svg{width:15px;height:15px;stroke:rgba(255,255,255,.85);stroke-width:1.75;fill:none;}
.nav-search input{
  width:120px;border:0;background:transparent;color:#fff;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.6);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;
  font-size:15px;font-weight:650;letter-spacing:.2px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn-cta{background:var(--grad-cta);color:#2A1403;box-shadow:0 8px 20px rgba(255,106,43,.28);}
.btn-cta:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:var(--shadow-2);color:#2A1403;}
.btn-cta:active{transform:translateY(0);}
.btn-ghost{border:1.5px solid var(--brand-500);color:var(--brand-700);background:transparent;}
.btn-ghost:hover{background:rgba(14,159,142,.08);color:var(--brand-700);}
.btn-light{background:rgba(255,255,255,.94);color:var(--brand-900);}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);color:var(--brand-900);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-pill);}
.btn-block{width:100%;}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);
  align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(6,43,38,.86);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:88px 24px 32px;
}
.drawer.is-open{display:block;}
.drawer-close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:14px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:18px;height:18px;stroke:#fff;stroke-width:1.9;fill:none;}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;color:#fff;font-size:18px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.drawer nav a svg{width:18px;height:18px;stroke:var(--brand-300);stroke-width:1.9;fill:none;}
.drawer .btn{margin-top:26px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:72vh;display:flex;align-items:center;
  padding:140px 0 92px;
  background:
    linear-gradient(90deg,rgba(6,43,38,.90) 0%,rgba(6,43,38,.72) 42%,rgba(11,74,63,.52) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,209,184,.35),transparent 62%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero h1{color:#fff;max-width:640px;}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#8FE06A,#4FD1B8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{color:rgba(255,255,255,.88);font-size:18px;margin:20px 0 8px;max-width:560px;line-height:1.7;}
.hero-note{color:rgba(255,255,255,.66);font-size:14px;margin-bottom:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.hero-badge{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.hero-badge b{color:#fff;font-size:22px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.hero-badge span{color:rgba(255,255,255,.72);font-size:12px;}
.entry-card{
  border-radius:24px;padding:28px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.26);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-3);
}
.entry-card h2{color:#fff;font-size:20px;font-weight:650;margin-bottom:6px;}
.entry-card p{color:rgba(255,255,255,.74);font-size:14px;margin-bottom:20px;}
.steps{display:flex;flex-direction:column;gap:14px;margin-bottom:24px;}
.step{display:flex;gap:12px;align-items:flex-start;}
.step-dot{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,rgba(79,209,184,.35),rgba(255,106,43,.30));
  border:1.5px solid rgba(143,224,106,.75);
}
.step-txt strong{display:block;color:#fff;font-size:15px;font-weight:650;}
.step-txt span{color:rgba(255,255,255,.68);font-size:13px;line-height:1.6;}
.entry-actions{display:flex;gap:10px;flex-wrap:wrap;}

/* ---------- 痛点区 ---------- */
.pain{background:var(--bg);}
.pain-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.pain-list{border-top:1px solid var(--line);}
.pain-item{
  position:relative;padding:20px 12px 20px 20px;border-bottom:1px solid var(--line);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.pain-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:3px;
  background:var(--brand-500);transform:scaleY(0);transform-origin:top;
  transition:transform .22s var(--ease);
}
.pain-item:hover{transform:translateX(2px);}
.pain-item:hover::before{transform:scaleY(1);}
.pain-item h3{font-size:17px;font-weight:650;margin-bottom:6px;}
.pain-item p{margin:0;font-size:15px;color:var(--ink-600);line-height:1.75;}

/* ---------- 方案卡片 ---------- */
.scheme{background:linear-gradient(180deg,#FFFFFF 0%,#F6F8F5 100%);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.scheme-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.scheme-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(14,159,142,.28);}
.card-num{
  position:absolute;top:18px;left:18px;z-index:3;
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#fff;
  background:rgba(6,43,38,.72);
  border:1.5px solid rgba(143,224,106,.85);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.card-media{overflow:hidden;position:relative;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:26px;}
.card-body h3{margin-bottom:10px;font-size:21px;}
.card-body p{font-size:15px;margin-bottom:16px;}
.card-wide{display:grid;grid-template-columns:1fr 1fr;height:100%;}
.card-wide .card-media{height:100%;min-height:320px;}
.card-wide .card-body{display:flex;flex-direction:column;justify-content:center;}
.card-compact{display:grid;grid-template-columns:150px 1fr;height:100%;}
.card-compact .card-media{height:100%;}
.card-compact .card-body{padding:22px;}
.card-compact .card-body h3{font-size:18px;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--brand-700);
  background:rgba(14,159,142,.10);border:1px solid rgba(14,159,142,.20);
}
.tag-accent{color:#8A3A0B;background:rgba(255,194,75,.20);border-color:rgba(255,106,43,.28);}

/* ---------- 数据区 ---------- */
.stats{
  position:relative;overflow:hidden;
  background:var(--surface-dark);color:rgba(255,255,255,.78);
}
.stats::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,159,142,.42),transparent 65%);
}
.stats::after{
  content:"";position:absolute;inset:0;opacity:.10;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
.stats .container{position:relative;z-index:2;}
.stats h2{color:#fff;}
.stats .lead{color:rgba(255,255,255,.72);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;}
.stat{
  padding:26px 22px;border-radius:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.stat:hover{transform:translateY(-3px);background:rgba(255,255,255,.10);}
.stat b{
  display:block;font-size:clamp(34px,4vw,50px);font-weight:800;line-height:1.05;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat b i{font-style:normal;font-size:18px;font-weight:600;color:var(--brand-300);margin-left:4px;}
.stat span{display:block;margin-top:10px;font-size:13px;color:rgba(255,255,255,.66);line-height:1.6;}

/* ---------- 最新信息 ---------- */
.news{background:var(--bg);}
.news-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.lead-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.lead-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(14,159,142,.30);}
.lead-card .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(120deg,#E9F3F0,#F6F8F5);}
.lead-card .thumb img{width:100%;height:100%;object-fit:cover;}
.lead-card .body{padding:26px;}
.lead-card h3{font-size:22px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lead-card:hover h3{color:var(--brand-500);}
.lead-card p{font-size:15px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-400);}
.news-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:10px 22px;box-shadow:var(--shadow-1);}
.news-side li{border-bottom:1px solid var(--line);}
.news-side li:last-child{border-bottom:0;}
.news-side a{display:block;padding:16px 0;transition:padding .2s var(--ease);}
.news-side a:hover{padding-left:6px;}
.news-side h4{font-size:16px;font-weight:650;line-height:1.5;color:var(--ink-900);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-side a:hover h4{color:var(--brand-500);}
.news-side .meta span{color:var(--ink-400);}
.empty-card{
  background:var(--surface);border:1px dashed rgba(14,159,142,.35);
  border-radius:var(--r-lg);padding:36px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-card svg{width:32px;height:32px;stroke:var(--brand-500);stroke-width:1.6;fill:none;margin-bottom:14px;}
.empty-card p{color:var(--ink-600);margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq{background:#FFFFFF;}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand-500);
  transform:scaleY(0);transform-origin:top;transition:transform .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(14,159,142,.34);box-shadow:var(--shadow-1);}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink-900);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-500);}
.faq-q svg{flex:0 0 18px;width:18px;height:18px;stroke:var(--brand-500);stroke-width:1.9;fill:none;transition:transform .22s var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(90deg);}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-600);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- 表单 & CTA ---------- */
.cta-band{background:linear-gradient(180deg,#F6F8F5 0%,#EDF4F1 100%);}
.cta-wrap{display:grid;grid-template-columns:6fr 6fr;gap:28px;align-items:start;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFCFB;color:var(--ink-900);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border:2px solid var(--brand-500);background:#fff;
  box-shadow:0 0 0 4px rgba(14,159,142,.15);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border:1.5px solid #D8452F;box-shadow:0 0 0 4px rgba(216,69,47,.12);
}
.err-msg{display:none;margin-top:6px;font-size:13px;color:#C03A26;}
.field.has-error .err-msg{display:block;}
.form-tip{font-size:12.5px;color:var(--ink-400);margin-top:12px;line-height:1.7;}
.success-bar{
  display:none;margin-bottom:18px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(14,159,142,.12);border:1px solid rgba(14,159,142,.30);
  color:var(--brand-700);font-size:14px;font-weight:600;
}
.success-bar.is-on{display:block;}
.cta-aside{padding:8px 0;}
.cta-aside h2{margin-bottom:14px;}
.cta-points{display:flex;flex-direction:column;gap:16px;margin:24px 0 28px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;}
.cta-points svg{flex:0 0 22px;width:22px;height:22px;stroke:var(--brand-500);stroke-width:1.75;fill:none;margin-top:2px;}
.cta-points strong{display:block;color:var(--ink-900);font-size:15.5px;font-weight:650;}
.cta-points span{font-size:14px;color:var(--ink-600);line-height:1.7;}
.privacy-card{
  margin-top:28px;background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);
}
.privacy-card .pc-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.privacy-card .pc-head svg{width:20px;height:20px;stroke:var(--brand-500);stroke-width:1.75;fill:none;}
.privacy-card .pc-head strong{font-size:15px;color:var(--ink-900);}
.privacy-card ul{display:flex;flex-direction:column;gap:8px;}
.privacy-card li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--ink-600);}
.privacy-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand-300);}

/* 弹层 */
.modal-mask{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(6,43,38,.62);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  align-items:center;justify-content:center;padding:24px;
}
.modal-mask.is-open{display:flex;}
.modal-box{
  width:100%;max-width:520px;background:#fff;border-radius:28px;
  padding:32px;box-shadow:var(--shadow-3);position:relative;
  animation:pop .24s var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98);}to{opacity:1;transform:none;}}
.modal-box h3{font-size:22px;margin-bottom:10px;}
.modal-box p{font-size:15px;}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:12px;
  background:var(--bg);display:flex;align-items:center;justify-content:center;
}
.modal-close svg{width:16px;height:16px;stroke:var(--ink-600);stroke-width:1.9;fill:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:650;margin-bottom:16px;}
.site-footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:800;font-size:18px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;}
.f-links li{margin-bottom:10px;}
.f-links a{color:rgba(255,255,255,.72);font-size:14px;}
.f-links a:hover{color:var(--brand-300);}
.f-contact li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.66);}
.footer-bottom a:hover{color:var(--brand-300);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .burger{display:flex;}
  .hero{padding:120px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .pain-grid{grid-template-columns:1fr;gap:32px;}
  .scheme-layout{grid-template-columns:1fr;}
  .scheme-stack{grid-template-rows:auto auto;}
  .card-wide{grid-template-columns:1fr;min-height:0;}
  .card-wide .card-media{min-height:220px;aspect-ratio:16/10;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .cta-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:640px){
  .container{padding:0 20px;}
  .site-header{height:64px;}
  .section{padding:56px 0;}
  .hero{min-height:78vh;padding:104px 0 56px;}
  .hero-sub{font-size:16px;}
  .hero-badges{gap:8px;}
  .hero-badge{padding:10px 14px;}
  .hero-badge b{font-size:18px;}
  .entry-card{padding:22px;}
  .card-compact{grid-template-columns:1fr;}
  .card-compact .card-media{aspect-ratio:16/10;}
  .card-body{padding:20px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat{padding:20px 16px;}
  .form-card{padding:22px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-box{max-width:none;border-radius:20px 20px 0 0;padding:26px 22px 30px;animation:up .26s var(--ease);}
  @keyframes up{from{transform:translateY(40px);opacity:.4;}to{transform:none;opacity:1;}}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand-500:#0E9F8E;
  --brand-700:#0B4A3F;
  --brand-900:#062B26;
  --brand-300:#4FD1B8;
  --accent-500:#FF6A2B;
  --accent-300:#FFC24B;
  --ink-900:#0E1418;
  --ink-600:#4A565C;
  --ink-400:#8A969B;
  --bg:#F6F8F5;
  --surface:#FFFFFF;
  --surface-dark:#0B1F1C;
  --line:#E3E8E5;
  --grad-brand:linear-gradient(120deg,#0B4A3F 0%,#0E9F8E 55%,#8FE06A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D,#FFB020);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(11,31,28,.06);
  --shadow-2:0 12px 32px rgba(11,31,28,.10);
  --shadow-3:0 24px 60px rgba(11,31,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25}
p{margin:0 0 16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,159,142,.35);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(6,43,38,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-1);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.18)}
.site-header.is-solid{background:var(--brand-900);box-shadow:var(--shadow-2)}
.site-header.is-solid::after{background:rgba(255,255,255,.12)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--grad-brand);box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;color:#fff;font-size:17px;font-weight:700;line-height:1.1;letter-spacing:.3px}
.brand-text small{margin-top:3px;font-size:10px;letter-spacing:2.4px;font-weight:600;color:rgba(255,255,255,.55)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-links a{position:relative;padding:10px 12px;font-size:15px;color:rgba(255,255,255,.86);border-radius:10px;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--brand-300);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:#fff}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);transition:border-color .2s var(--ease),background .2s var(--ease)}
.nav-search svg{width:16px;height:16px;fill:none;stroke:rgba(255,255,255,.72);stroke-width:1.75;stroke-linecap:round}
.nav-search input{width:132px;border:0;background:none;outline:none;color:#fff;font-size:14px}
.nav-search input::placeholder{color:rgba(255,255,255,.55)}
.nav-search:focus-within{border-color:var(--brand-300);background:rgba(255,255,255,.16)}
.burger{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.22);border-radius:12px;background:rgba(255,255,255,.08);cursor:pointer;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:#fff;transform:translateX(-50%)}
.burger span{top:50%;margin-top:-1px}
.burger span::before,.burger span::after{content:"";left:0;transform:none}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:15px;font-weight:650;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-cta{background:var(--grad-cta);color:#3A1400;box-shadow:0 8px 20px rgba(255,106,43,.28)}
.btn-cta:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:var(--shadow-2)}
.btn-cta:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,106,43,.24)}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-500)}
.btn-ghost:hover{background:rgba(14,159,142,.08);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.38);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-1px)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:120;background:rgba(6,43,38,.94);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding:22px 22px 32px;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .28s var(--ease);visibility:hidden}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;font-size:22px;line-height:1;cursor:pointer}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;padding:18px 4px;color:#fff;font-size:17px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-links a svg{width:18px;height:18px;fill:none;stroke:var(--brand-300);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.drawer-links a.is-active{color:var(--brand-300)}
.mobile-drawer .btn{margin-top:auto}

/* ---------- article hero ---------- */
.article-hero{position:relative;padding:132px 0 64px;color:#fff;background-image:linear-gradient(120deg,rgba(6,43,38,.94) 0%,rgba(11,74,63,.86) 52%,rgba(14,159,142,.72) 100%),url(/assets/images/backpic/back-3.webp);background-size:cover;background-position:center}
.article-hero::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:64px 64px;opacity:.5;pointer-events:none}
.article-hero .container{position:relative}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:var(--brand-300)}
.breadcrumb .sep{opacity:.5}
.cat-tag{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(79,209,184,.16);border:1px solid rgba(79,209,184,.45);color:var(--brand-300);font-size:13px;font-weight:600;letter-spacing:.4px}
.article-title{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.2;color:#fff;margin:18px 0 20px;max-width:900px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:rgba(255,255,255,.78)}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row svg{width:15px;height:15px;fill:none;stroke:rgba(255,255,255,.66);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* ---------- article body ---------- */
.article-main{padding:64px 0 72px}
.article-body{max-width:780px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--ink-600);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:44px 48px}
.article-body h2{font-size:clamp(21px,2.2vw,27px);margin:38px 0 14px;padding-left:14px;border-left:4px solid var(--brand-500);line-height:1.4}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;margin:28px 0 10px}
.article-body h4{font-size:17px;margin:22px 0 8px}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--brand-700);text-decoration:underline;text-decoration-color:rgba(14,159,142,.40);text-underline-offset:3px}
.article-body a:hover{color:var(--brand-500)}
.article-body strong{color:var(--ink-900)}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-md);margin:22px 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--ink-400);text-align:center}
.article-body blockquote{margin:24px 0;padding:14px 20px;border-left:4px solid var(--brand-500);background:rgba(14,159,142,.06);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-900);line-height:1.85}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--brand-500);font-weight:700}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:var(--surface)}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:rgba(14,159,142,.08);color:var(--ink-900);font-weight:650}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:rgba(11,31,28,.06);padding:2px 6px;border-radius:6px;font-size:14px}
.empty-state{text-align:center;padding:40px 20px}
.empty-state svg{width:56px;height:56px;margin:0 auto 18px;fill:none;stroke:var(--brand-500);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{border:0;padding:0;margin:0 0 10px;font-size:22px}
.empty-state p{color:var(--ink-400);margin-bottom:22px}

/* ---------- tags ---------- */
.tag-section{max-width:780px;margin:28px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.tag-section h3{font-size:15px;color:var(--ink-900);font-weight:650}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list a{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);color:var(--ink-600);font-size:14px;transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.tag-list a:hover{border-color:rgba(14,159,142,.5);color:var(--brand-700);transform:translateY(-1px)}

/* ---------- related ---------- */
.related{padding:64px 0 8px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.sec-head p{margin:8px 0 0;color:var(--ink-400);font-size:15px}
.rel-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(14,159,142,.35)}
.rel-thumb{width:120px;height:86px;border-radius:var(--r-sm);overflow:hidden;background:rgba(11,31,28,.06)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-card h3{font-size:16px;line-height:1.45;margin-bottom:8px;transition:color .2s var(--ease)}
.rel-card:hover h3{color:var(--brand-700)}
.rel-card span{font-size:13px;color:var(--ink-400)}

/* ---------- faq ---------- */
.faq{padding:72px 0}
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:rgba(14,159,142,.4)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900)}
.faq-q svg{flex-shrink:0;width:18px;height:18px;fill:none;stroke:var(--brand-700);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s var(--ease)}
.faq-item.is-open .faq-q svg{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:0 22px 22px;border-left:4px solid var(--brand-500);margin-left:22px;padding-left:16px;font-size:15px;line-height:1.8;color:var(--ink-600)}

/* ---------- consult ---------- */
.consult{position:relative;padding:80px 0;background:var(--surface-dark);color:#fff;overflow:hidden}
.consult::before{content:"";position:absolute;width:520px;height:520px;right:-120px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(14,159,142,.38),transparent 68%)}
.consult::after{content:"";position:absolute;inset:0;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:72px 72px;pointer-events:none}
.consult .container{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.consult h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:16px}
.consult p.lead{color:rgba(255,255,255,.76);font-size:16px;margin-bottom:24px}
.consult-points{display:flex;flex-direction:column;gap:14px}
.consult-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.82)}
.consult-points svg{width:20px;height:20px;flex-shrink:0;margin-top:3px;fill:none;stroke:var(--brand-300);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:rgba(255,255,255,.72)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;font-size:15px;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.45)}
.field select option{color:#0E1418}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-300);box-shadow:0 0 0 4px rgba(14,159,142,.18)}
.field textarea{min-height:96px;resize:vertical}
.form-note{font-size:13px;color:rgba(255,255,255,.6);margin:16px 0 0}
.form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);background:rgba(79,209,184,.16);border:1px solid rgba(79,209,184,.45);color:#CFF7EC;font-size:14px}
.form-ok.is-show{display:block}
.privacy{margin-top:18px;padding:16px;border-radius:var(--r-sm);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10)}
.privacy h4{color:#fff;font-size:14px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.privacy h4 svg{width:16px;height:16px;fill:none;stroke:var(--brand-300);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.privacy ul{display:flex;flex-direction:column;gap:6px}
.privacy li{font-size:13px;color:rgba(255,255,255,.62);line-height:1.7}

/* ---------- back links ---------- */
.back-links{max-width:780px;margin:32px auto 0;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.site-footer p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;margin:0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:650}
.f-links,.f-contact{display:flex;flex-direction:column;gap:10px}
.f-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.f-links a:hover{color:var(--brand-300)}
.f-contact li{font-size:14px;color:rgba(255,255,255,.62)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.68)}
.footer-bottom a:hover{color:var(--brand-300)}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .nav-links,.nav-search{display:none}
  .burger{display:block}
  .nav-inner{gap:14px}
  .article-hero{padding:120px 0 52px}
  .article-main{padding:52px 0 60px}
  .article-body{padding:36px 32px}
  .rel-list{grid-template-columns:1fr 1fr}
  .consult .container{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .nav-inner{height:64px}
  .brand-text{font-size:15px}
  .brand-text small{display:none}
  .nav-actions .btn-cta{display:none}
  .article-hero{padding:104px 0 44px}
  .article-main{padding:40px 0 48px}
  .article-body{padding:24px 20px;border-radius:var(--r-md)}
  .article-body blockquote{padding:12px 16px}
  .sec-head h2{font-size:24px}
  .rel-list{grid-template-columns:1fr}
  .faq{padding:56px 0}
  .faq-a-inner{margin-left:14px;padding-left:14px}
  .consult{padding:56px 0}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px}
  .site-footer{padding:48px 0 22px}
}
@media screen and (max-width:520px){
  .article-title{font-size:26px}
  .rel-card{grid-template-columns:100px 1fr}
  .rel-thumb{width:100px;height:74px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .back-links .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --brand-500:#0E9F8E;
  --brand-700:#0B4A3F;
  --brand-900:#062B26;
  --brand-300:#4FD1B8;
  --accent-500:#FF6A2B;
  --accent-300:#FFC24B;
  --ink-900:#0E1418;
  --ink-600:#4A565C;
  --ink-400:#8A969B;
  --bg:#F6F8F5;
  --surface:#FFFFFF;
  --surface-dark:#0B1F1C;
  --line:#E3E8E5;
  --grad-brand:linear-gradient(120deg,#0B4A3F 0%,#0E9F8E 55%,#8FE06A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D,#FFB020);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(11,31,28,.06);
  --shadow-2:0 12px 32px rgba(11,31,28,.10);
  --shadow-3:0 24px 60px rgba(11,31,28,.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(--ink-600);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(14,159,142,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:780px;margin-bottom:48px;}
.section-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;font-weight:650;
  color:var(--brand-700);text-transform:uppercase;
  background:rgba(14,159,142,.10);
  border:1px solid rgba(14,159,142,.18);
  border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-600);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:14px;
  font-size:15px;font-weight:650;letter-spacing:.01em;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),background-color .18s var(--ease);
  white-space:nowrap;
}
.btn-cta{background:var(--grad-cta);color:#3A1400;box-shadow:0 6px 18px rgba(255,106,43,.28);}
.btn-cta:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:var(--shadow-2);color:#3A1400;}
.btn-cta:active{transform:translateY(1px);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-500);}
.btn-ghost:hover{background:rgba(14,159,142,.08);color:var(--brand-700);transform:translateY(-1px);}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.32);}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(6,43,38,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 2px 12px rgba(6,43,38,.14);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-stuck{background:var(--brand-900);border-bottom-color:rgba(255,255,255,.12);box-shadow:var(--shadow-2);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:var(--brand-300);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;display:flex;flex-direction:column;line-height:1.15;}
.brand-text small{font-size:9px;letter-spacing:.24em;color:rgba(255,255,255,.55);font-weight:500;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;color:rgba(255,255,255,.86);border-radius:10px;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-300);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;font-weight:650;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-pill);transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-search:focus-within{background:rgba(255,255,255,.18);border-color:rgba(79,209,184,.6);}
.nav-search svg{width:16px;height:16px;fill:none;stroke:rgba(255,255,255,.7);stroke-width:1.75;stroke-linecap:round;}
.nav-search input{
  width:118px;background:transparent;border:0;outline:none;color:#fff;font-size:14px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.55);}
.burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.10);position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:#fff;transform:translateX(-50%);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.burger span{top:19px;}
.burger span::before{content:"";top:-6px;left:0;transform:none;}
.burger span::after{content:"";top:6px;left:0;transform:none;}
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(6,43,38,.94);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:88px 24px 32px;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:19px;color:#fff;border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer a svg{width:18px;height:18px;fill:none;stroke:var(--brand-300);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.drawer-close{
  position:absolute;top:22px;right:22px;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:18px;line-height:1;
}

/* ---------- Sub Hero ---------- */
.sub-hero{
  position:relative;overflow:hidden;
  padding:150px 0 74px;
  background-color:var(--brand-900);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-lg) var(--r-lg);
}
.sub-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(246,248,245,.94) 0%,rgba(246,248,245,.80) 46%,rgba(14,159,142,.24) 100%);
}
.sub-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(11,74,63,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(11,74,63,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;pointer-events:none;
}
.sub-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-700);margin-bottom:18px;}
.crumb a{color:var(--brand-700);opacity:.8;}
.crumb a:hover{color:var(--brand-500);opacity:1;}
.crumb span{opacity:.45;}
.sub-hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.16;max-width:800px;letter-spacing:-.01em;
}
.sub-hero h1 em{font-style:normal;color:var(--brand-700);}
.sub-hero .sub-lead{max-width:660px;margin-top:18px;font-size:17px;color:var(--ink-600);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;
  background:rgba(255,255,255,.78);border:1px solid var(--line);color:var(--brand-700);
  box-shadow:var(--shadow-1);
}
.tag svg{width:14px;height:14px;fill:none;stroke:var(--brand-500);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- Overview ---------- */
.overview-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.overview-grid h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px;}
.overview-grid p+p{margin-top:14px;}
.ov-points{margin-top:26px;display:grid;gap:12px;}
.ov-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-1);
}
.ov-points svg{flex:0 0 auto;width:20px;height:20px;margin-top:3px;fill:none;stroke:var(--brand-500);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.ov-points b{display:block;color:var(--ink-900);font-weight:650;font-size:15px;}
.ov-points span{font-size:14px;color:var(--ink-600);}
.ov-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-3);border:1px solid var(--line);}
.ov-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.ov-media .badge-float{
  position:absolute;left:20px;bottom:20px;
  background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--shadow-2);
}
.badge-float strong{display:block;font-size:22px;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.badge-float span{font-size:12px;color:var(--ink-400);}

/* ---------- Steps timeline ---------- */
.steps-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:8px;}
.steps::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(14,159,142,.25),rgba(14,159,142,.55),rgba(14,159,142,.25));
  border-radius:2px;
}
.step{position:relative;padding-top:64px;text-align:center;}
.step-dot{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:54px;height:54px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:2px solid transparent;
  background-image:linear-gradient(var(--surface),var(--surface)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--shadow-1);
}
.step-dot b{font-size:17px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.step h3{font-size:16px;font-weight:650;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.7;color:var(--ink-600);}
.step-note{
  margin-top:10px;display:inline-block;font-size:12px;color:var(--brand-700);
  background:rgba(14,159,142,.10);border-radius:var(--r-pill);padding:3px 10px;
}

/* ---------- Alternating rows ---------- */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:52px 0;}
.alt-row+.alt-row{border-top:1px solid var(--line);}
.alt-row.reverse .alt-media{order:2;}
.alt-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line);}
.alt-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s var(--ease);}
.alt-row:hover .alt-media img{transform:scale(1.03);}
.alt-body .kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--brand-500);
  text-transform:uppercase;margin-bottom:12px;
}
.alt-body h3{font-size:clamp(20px,2.2vw,25px);margin-bottom:14px;}
.alt-body p{font-size:15.5px;}
.check-list{margin-top:20px;display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-600);}
.check-list svg{flex:0 0 auto;width:18px;height:18px;margin-top:4px;fill:none;stroke:var(--brand-500);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- Dark metric band ---------- */
.dark-band{
  position:relative;overflow:hidden;background:var(--surface-dark);color:rgba(255,255,255,.78);
  border-radius:var(--r-lg);padding:64px 48px;
}
.dark-band::before{
  content:"";position:absolute;top:-140px;right:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,159,142,.42),transparent 68%);
}
.dark-band::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:48px 48px;
}
.dark-band .inner{position:relative;z-index:2;}
.dark-band h2{color:#fff;font-size:clamp(23px,2.7vw,30px);margin-bottom:12px;}
.dark-band p{max-width:640px;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px;}
.metric{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:22px 20px;
}
.metric strong{display:block;font-size:clamp(32px,4vw,48px);font-weight:800;color:#fff;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.metric strong small{font-size:16px;font-weight:600;margin-left:2px;color:var(--brand-300);}
.metric span{display:block;margin-top:12px;font-size:13px;color:rgba(255,255,255,.66);line-height:1.6;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(14,159,142,.3);}
.faq-item.is-open{border-color:rgba(14,159,142,.42);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:20px 22px;
  font-size:16.5px;font-weight:600;color:var(--ink-900);line-height:1.5;
}
.faq-q svg{flex:0 0 auto;width:18px;height:18px;fill:none;stroke:var(--brand-500);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .24s var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.is-open .faq-a{max-height:520px;}
.faq-a-inner{
  padding:0 22px 22px 26px;font-size:15px;line-height:1.8;color:var(--ink-600);
  border-left:4px solid var(--brand-500);margin-left:22px;padding-left:20px;
}

/* ---------- CTA + form ---------- */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-copy h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.cta-copy p{font-size:15.5px;}
.cta-list{margin-top:26px;display:grid;gap:12px;}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;}
.cta-list svg{flex:0 0 auto;width:20px;height:20px;margin-top:3px;fill:none;stroke:var(--brand-500);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--shadow-2);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-sub{font-size:13.5px;color:var(--ink-400);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-900);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FBFCFB;color:var(--ink-900);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 4px rgba(14,159,142,.15);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:#E05252;}
.field .err{display:none;font-size:13px;color:#C93B3B;margin-top:6px;}
.field.has-error .err{display:block;}
.form-note{font-size:13px;color:var(--ink-400);margin-top:6px;line-height:1.7;}
.form-ok{
  display:none;margin-bottom:16px;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(14,159,142,.10);border:1px solid rgba(14,159,142,.28);
  color:var(--brand-700);font-size:14px;
}
.form-ok.is-show{display:block;}
.privacy-card{
  display:flex;gap:14px;align-items:flex-start;margin-top:54px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow-1);
}
.privacy-card svg{flex:0 0 auto;width:24px;height:24px;fill:none;stroke:var(--brand-500);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.privacy-card ul{display:grid;gap:6px;font-size:14px;color:var(--ink-600);}
.privacy-card b{color:var(--ink-900);font-size:15px;display:block;margin-bottom:6px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.f-brand .brand-mark{width:34px;height:34px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);}
.site-footer p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:650;}
.f-links li,.f-contact li{margin-bottom:10px;font-size:14px;}
.f-links a{color:rgba(255,255,255,.72);}
.f-links a:hover{color:var(--brand-300);}
.f-contact li{color:rgba(255,255,255,.66);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--brand-300);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .burger{display:block;}
  .nav-search{display:none;}
  .overview-grid{grid-template-columns:1fr;gap:36px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .step{text-align:left;padding-top:0;padding-left:70px;padding-bottom:8px;}
  .step-dot{top:0;left:0;transform:none;}
  .alt-row{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .alt-row.reverse .alt-media{order:0;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .nav-inner{height:64px;}
  .nav-actions .btn-sm{display:none;}
  .sub-hero{padding:118px 0 54px;}
  .dark-band{padding:44px 24px;}
  .form-card{padding:24px;}
  .faq-a-inner{margin-left:14px;padding-left:16px;}
}
@media (max-width:520px){
  .section{padding:56px 0;}
  .steps{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .metric{padding:18px 14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .hero-tags{gap:8px;}
  .tag{font-size:12px;padding:6px 12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}

/* roulang page: category1 */
:root{
  --brand-500:#0E9F8E;
  --brand-700:#0B4A3F;
  --brand-900:#062B26;
  --brand-300:#4FD1B8;
  --accent-500:#FF6A2B;
  --accent-300:#FFC24B;
  --ink-900:#0E1418;
  --ink-600:#4A565C;
  --ink-400:#8A969B;
  --bg:#F6F8F5;
  --surface:#FFFFFF;
  --surface-dark:#0B1F1C;
  --line:#E3E8E5;
  --grad-brand:linear-gradient(120deg,#0B4A3F 0%,#0E9F8E 55%,#8FE06A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D,#FFB020);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(11,31,28,.06);
  --shadow-2:0 12px 32px rgba(11,31,28,.10);
  --shadow-3:0 24px 60px rgba(11,31,28,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700;line-height:1.25;}
p{margin:0 0 16px;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(14,159,142,.35);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;border:1.5px solid transparent;
  font-size:15px;font-weight:650;cursor:pointer;white-space:nowrap;
  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-cta{background:var(--grad-cta);color:#26160A;box-shadow:0 8px 22px rgba(255,106,43,.28);}
.btn-cta:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:var(--shadow-2);color:#26160A;}
.btn-cta:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--brand-500);color:var(--brand-700);}
.btn-outline:hover{background:rgba(14,159,142,.08);color:var(--brand-700);}
.btn-ghost-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.45);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-pill);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(6,43,38,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:#062B26;box-shadow:var(--shadow-2);border-bottom-color:rgba(255,255,255,.12);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 8px 20px rgba(14,159,142,.35);flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.brand-text small{display:block;font-size:9.5px;letter-spacing:2.4px;font-weight:500;color:rgba(255,255,255,.6);line-height:1.4;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{position:relative;padding:9px 13px;font-size:15px;color:rgba(255,255,255,.86);border-radius:var(--r-pill);}
.nav-links a::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--brand-300);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;font-weight:650;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);transition:border-color .2s var(--ease),background-color .2s var(--ease);}
.nav-search:focus-within{border-color:var(--brand-300);background:rgba(255,255,255,.16);}
.nav-search svg{width:16px;height:16px;fill:none;stroke:rgba(255,255,255,.75);stroke-width:1.75;stroke-linecap:round;}
.nav-search input{width:118px;border:0;outline:0;background:transparent;color:#fff;font-size:14px;}
.nav-search input::placeholder{color:rgba(255,255,255,.58);}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.10);cursor:pointer;position:relative;}
.burger span,.burger span::before,.burger span::after{position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:#fff;transform:translateX(-50%);}
.burger span{top:50%;margin-top:-1px;}
.burger span::before,.burger span::after{content:"";left:0;transform:none;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:300;padding:20px 20px 32px;
  background:rgba(6,43,38,.94);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  display:flex;flex-direction:column;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{color:#fff;font-size:16px;font-weight:700;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);cursor:pointer;display:grid;place-items:center;}
.drawer-close svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.75;stroke-linecap:round;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;font-size:17px;color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.12);}
.drawer-links a svg{width:16px;height:16px;fill:none;stroke:var(--brand-300);stroke-width:1.75;stroke-linecap:round;}
.drawer-links a.is-active{color:#fff;font-weight:700;}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;display:flex;align-items:center;padding:132px 0 64px;color:#fff;}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;transform:scale(1.05);}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(6,43,38,.94) 0%,rgba(11,74,63,.84) 48%,rgba(14,159,142,.62) 100%);}
.hero .container{position:relative;z-index:2;}
.hero-inner{max-width:760px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:16px;}
.crumb a:hover{color:#fff;}
.crumb span{opacity:.5;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);font-size:13px;color:#EAFBF6;margin-bottom:18px;}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent-300);display:block;}
.hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.15;color:#fff;margin-bottom:16px;}
.hero-sub{font-size:clamp(15px,1.6vw,17px);color:rgba(255,255,255,.84);max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.band-dark{background:var(--surface-dark);color:rgba(255,255,255,.78);position:relative;overflow:hidden;}
.band-dark::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:52px 52px;opacity:.5;}
.band-dark::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(14,159,142,.5),transparent 68%);filter:blur(10px);}
.band-dark .container{position:relative;z-index:2;}
.band-dark h2,.band-dark h3{color:#fff;}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;font-weight:650;color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;}
.band-dark .eyebrow{color:var(--brand-300);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.sec-head p{margin:0;font-size:16px;color:var(--ink-600);}
.band-dark .sec-head p{color:rgba(255,255,255,.72);}

/* ---------- 双栏布局 ---------- */
.layout-wrap{padding:72px 0 88px;}
.layout{display:grid;grid-template-columns:272px minmax(0,1fr);gap:40px;align-items:start;}
.toc{position:sticky;top:104px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 20px;box-shadow:var(--shadow-1);}
.toc h2{font-size:14px;letter-spacing:1.5px;color:var(--ink-400);font-weight:650;margin-bottom:14px;text-transform:uppercase;}
.toc ol{counter-reset:toc;display:flex;flex-direction:column;gap:2px;}
.toc li{counter-increment:toc;}
.toc a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);font-size:14.5px;color:var(--ink-600);border-left:3px solid transparent;}
.toc a::before{content:counter(toc,decimal-leading-zero);font-size:12px;color:var(--ink-400);font-variant-numeric:tabular-nums;}
.toc a:hover{background:rgba(14,159,142,.07);color:var(--brand-700);border-left-color:var(--brand-500);}
.toc a.is-current{background:rgba(14,159,142,.1);color:var(--brand-700);border-left-color:var(--brand-500);font-weight:650;}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-400);line-height:1.7;}

/* ---------- 面板卡片 ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 32px;box-shadow:var(--shadow-1);margin-bottom:26px;scroll-margin-top:104px;}
.panel:last-child{margin-bottom:0;}
.panel > h2{font-size:clamp(21px,2.4vw,26px);margin-bottom:14px;}
.panel-lead{color:var(--ink-600);margin-bottom:22px;}
.divider{height:1px;background:var(--line);margin:26px 0;border:0;}

/* 要点卡 */
.point-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.point{background:linear-gradient(180deg,rgba(14,159,142,.05),rgba(14,159,142,0));border:1px solid var(--line);border-radius:var(--r-md);padding:20px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.point:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,159,142,.35);}
.point .idx{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1.5px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;font-size:13px;font-weight:700;color:var(--brand-700);margin-bottom:12px;font-variant-numeric:tabular-nums;}
.point h3{font-size:17px;margin-bottom:8px;}
.point p{font-size:14.5px;margin:0;color:var(--ink-600);}

/* 步骤 */
.steps{display:flex;flex-direction:column;gap:14px;counter-reset:step;}
.step{display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;align-items:start;padding:20px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);}
.step:hover{transform:translateX(3px);border-color:rgba(14,159,142,.4);box-shadow:var(--shadow-1);}
.step .no{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;border:1.5px solid transparent;background:linear-gradient(rgba(14,159,142,.08),rgba(14,159,142,.08)) padding-box,var(--grad-brand) border-box;font-size:18px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.step h3{font-size:17.5px;margin-bottom:6px;}
.step p{margin:0;font-size:14.8px;}

/* 图文块 */
.figure-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:center;}
.figure{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.figure figcaption{font-size:13px;color:var(--ink-400);padding:12px 14px;background:#fff;border-top:1px solid var(--line);}

/* 规格表 */
.spec-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;font-size:14.8px;}
.spec-table th,.spec-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);}
.spec-table thead th{background:rgba(14,159,142,.07);color:var(--brand-700);font-weight:650;font-size:14px;letter-spacing:.4px;}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover td{background:rgba(14,159,142,.05);}
.spec-table td strong{color:var(--ink-900);font-weight:650;}

/* 异常列表 */
.trouble{display:flex;flex-direction:column;}
.trouble-item{padding:18px 16px;border-bottom:1px solid var(--line);border-left:4px solid transparent;transition:border-color .2s var(--ease),transform .2s var(--ease),background-color .2s var(--ease);}
.trouble-item:last-child{border-bottom:0;}
.trouble-item:hover{border-left-color:var(--brand-500);transform:translateX(2px);background:rgba(14,159,142,.045);}
.trouble-item h3{font-size:16.5px;margin-bottom:6px;}
.trouble-item p{margin:0;font-size:14.8px;}

/* 安全提示 */
.tips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.tip{display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;transition:box-shadow .2s var(--ease),transform .2s var(--ease);}
.tip:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.tip svg{width:22px;height:22px;flex:0 0 auto;fill:none;stroke:var(--brand-500);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;margin-top:3px;}
.tip h3{font-size:16px;margin-bottom:5px;}
.tip p{margin:0;font-size:14.5px;}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.faq-item.is-open{border-color:rgba(14,159,142,.45);box-shadow:var(--shadow-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:transparent;border:0;border-left:4px solid transparent;text-align:left;font-size:16.5px;font-weight:650;color:var(--ink-900);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);}
.faq-item.is-open .faq-q{border-left-color:var(--brand-500);}
.faq-q:hover{color:var(--brand-700);}
.faq-q svg{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:var(--brand-500);stroke-width:2;stroke-linecap:round;transition:transform .22s var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{margin:0;padding:0 20px 20px 24px;font-size:15px;line-height:1.8;color:var(--ink-600);}

/* CTA + 表单 */
.cta-band{padding:96px 0;}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:44px;align-items:start;}
.cta-copy h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.cta-copy p{color:rgba(255,255,255,.76);}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.cta-points li{display:flex;gap:12px;font-size:14.8px;color:rgba(255,255,255,.8);}
.cta-points svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;fill:none;stroke:var(--brand-300);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.form-card{background:rgba(255,255,255,.97);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--shadow-3);}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-intro{font-size:14px;color:var(--ink-400);margin-bottom:20px;}
.form{display:flex;flex-direction:column;gap:16px;}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.field{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--ink-600);}
.field > span{font-weight:600;color:var(--ink-900);font-size:14px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink-900);outline:0;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(14,159,142,.15);}
.field.has-error input,.field.has-error select{border-color:#D9432F;}
.field .err{display:none;font-size:13px;color:#D9432F;font-style:normal;}
.field.has-error .err{display:block;}
.form-note{font-size:13px;color:var(--ink-400);margin:0;}
.form-success{margin-top:4px;padding:12px 16px;border-radius:var(--r-sm);background:rgba(14,159,142,.12);border:1px solid rgba(14,159,142,.35);color:var(--brand-700);font-size:14px;}

/* 隐私卡 */
.privacy{margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;display:grid;grid-template-columns:36px minmax(0,1fr);gap:16px;box-shadow:var(--shadow-1);}
.privacy svg{width:26px;height:26px;fill:none;stroke:var(--brand-500);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.privacy h3{font-size:16px;margin-bottom:8px;}
.privacy ul{display:flex;flex-direction:column;gap:6px;}
.privacy li{font-size:14px;line-height:1.7;color:var(--ink-400);}

/* 相关资料 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.rel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(14,159,142,.35);}
.rel-card .thumb{overflow:hidden;}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover img{transform:scale(1.04);}
.rel-card .body{padding:18px 20px 20px;}
.rel-card h3{font-size:16.5px;margin-bottom:8px;}
.rel-card p{font-size:14px;margin:0;color:var(--ink-600);}
.tag{display:inline-block;font-size:12px;font-weight:650;letter-spacing:.5px;padding:4px 10px;border-radius:var(--r-pill);background:rgba(14,159,142,.12);color:var(--brand-700);margin-bottom:10px;}

/* 页脚 */
.site-footer{background:#062B26;color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px;}
.f-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:650;}
.f-links,.f-contact{display:flex;flex-direction:column;gap:10px;}
.f-links a,.f-contact li{font-size:14px;color:rgba(255,255,255,.72);}
.f-links a:hover{color:var(--brand-300);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.68);}
.footer-bottom a:hover{color:var(--brand-300);}

/* 响应式 */
@media screen and (max-width:1024px){
  .nav-links,.nav-search{display:none;}
  .burger{display:block;}
  .nav-inner{height:64px;gap:12px;}
  .nav-actions{margin-left:auto;}
  .section{padding:72px 0;}
  .layout{grid-template-columns:1fr;gap:24px;}
  .toc{position:static;}
  .toc ol{flex-direction:row;flex-wrap:wrap;}
  .toc li{flex:1 1 45%;}
  .toc a{border-left:0;border-bottom:3px solid transparent;}
  .toc a:hover,.toc a.is-current{border-left:0;border-bottom-color:var(--brand-500);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media screen and (max-width:768px){
  .container{padding:0 20px;}
  .hero{padding:112px 0 52px;}
  .hero-actions .btn{width:100%;}
  .section{padding:56px 0;}
  .layout-wrap{padding:48px 0 64px;}
  .panel{padding:24px 20px;border-radius:var(--r-md);}
  .point-grid{grid-template-columns:1fr;}
  .figure-split{grid-template-columns:1fr;}
  .tips{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:16px;}
  .step .no{width:44px;height:44px;border-radius:14px;font-size:16px;}
  .form-row{grid-template-columns:1fr;}
  .toc li{flex:1 1 100%;}
  .cta-band{padding:64px 0;}
  .form-card{padding:24px 20px;}
  .privacy{grid-template-columns:1fr;gap:12px;}
}
@media screen and (max-width:520px){
  .brand-text{font-size:15px;}
  .brand-text small{letter-spacing:1.6px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .spec-table{font-size:13.6px;}
  .spec-table th,.spec-table td{padding:11px 12px;}
  .faq-q{font-size:15.6px;padding:16px;}
  .faq-a p{padding:0 16px 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand-500:#0E9F8E;
  --brand-700:#0B4A3F;
  --brand-900:#062B26;
  --brand-300:#4FD1B8;
  --accent-500:#FF6A2B;
  --accent-300:#FFC24B;
  --ink-900:#0E1418;
  --ink-600:#4A565C;
  --ink-400:#8A969B;
  --bg:#F6F8F5;
  --surface:#FFFFFF;
  --surface-dark:#0B1F1C;
  --line:#E3E8E5;
  --grad-brand:linear-gradient(120deg,#0B4A3F 0%,#0E9F8E 55%,#8FE06A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A3D,#FFB020);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(11,31,28,.06);
  --shadow-2:0 12px 32px rgba(11,31,28,.10);
  --shadow-3:0 24px 60px rgba(11,31,28,.14);
  --sp:8px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
svg{fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
:focus-visible{outline:3px solid rgba(14,159,142,.4);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.narrow{max-width:780px;}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:72px;
  background:rgba(6,43,38,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 8px 24px rgba(6,43,38,.14);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:var(--brand-900);
  box-shadow:var(--shadow-2);
  border-bottom-color:rgba(255,255,255,.10);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);
  color:#EAFBF5;
  box-shadow:0 6px 16px rgba(14,159,142,.35);
}
.brand-mark svg{width:20px;height:20px;stroke-width:1.9;}
.brand-text{display:flex;flex-direction:column;color:#fff;font-size:17px;font-weight:700;letter-spacing:.4px;line-height:1.1;}
.brand-text small{font-size:10px;font-weight:500;letter-spacing:2px;color:rgba(255,255,255,.55);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  color:rgba(255,255,255,.82);
  border-radius:var(--r-pill);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--brand-300);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.20);
  color:rgba(255,255,255,.75);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-search:focus-within{background:rgba(255,255,255,.20);border-color:var(--brand-300);}
.nav-search svg{width:16px;height:16px;flex-shrink:0;}
.nav-search input{
  width:130px;border:0;background:transparent;outline:none;
  color:#fff;font-size:14px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.6);}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  align-items:center;justify-content:center;
}
.burger span,.burger span::before,.burger span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:#fff;position:relative;
  transition:transform .2s var(--ease);
}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:300;
  background:rgba(6,43,38,.92);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:88px 28px 40px;
  transform:translateY(-100%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{transform:translateY(0);}
.drawer-close{
  position:absolute;top:18px;right:20px;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:24px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;color:rgba(255,255,255,.9);font-size:17px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer a span{color:var(--brand-300);}
.drawer a:hover{color:#fff;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:14px;
  font-size:15px;font-weight:650;letter-spacing:.3px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn svg{width:17px;height:17px;}
.btn-cta{background:var(--grad-cta);color:#3A1B00;box-shadow:0 10px 22px rgba(255,106,43,.28);}
.btn-cta:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:var(--shadow-2);color:#2A1300;}
.btn-cta:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,43,.24);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-outline{background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-500);}
.btn-outline:hover{background:rgba(14,159,142,.08);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  padding:150px 0 72px;
  min-height:40vh;
  background-image:linear-gradient(115deg,rgba(6,43,38,.94) 0%,rgba(11,74,63,.86) 52%,rgba(14,159,142,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cat-hero::after{
  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:56px 56px;
  opacity:.5;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;}
.crumb a:hover{color:var(--brand-300);}
.crumb span{color:rgba(255,255,255,.35);}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(79,209,184,.16);
  border:1px solid rgba(79,209,184,.42);
  color:#9FF0DE;font-size:13px;font-weight:600;letter-spacing:.6px;
}
.cat-hero h1{
  margin:20px 0 16px;
  color:#fff;
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;
  line-height:1.16;
  max-width:900px;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#8FE06A,#4FD1B8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.lead{
  max-width:660px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.hero-stats div{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.8);font-size:13px;
}
.hero-stats strong{font-size:19px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:750;margin-bottom:16px;}
.sec-head p{font-size:16px;color:var(--ink-600);margin:0;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* intro */
.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.intro-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line);}
.intro-figure img{width:100%;height:340px;object-fit:cover;}
.point-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.point-list li:last-child{border-bottom:0;}
.point-list .dot{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,159,142,.12);color:var(--brand-700);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.point-list h3{font-size:17px;font-weight:650;margin-bottom:4px;}
.point-list p{margin:0;font-size:14.5px;color:var(--ink-600);line-height:1.7;}

/* river cards */
.river{margin-left:-14px;margin-right:-14px;}
.river-col{padding-left:14px;padding-right:14px;display:flex;flex-direction:column;gap:26px;}
.river-col + .river-col{margin-top:26px;}
@media (min-width:1024px){
  .river-col + .river-col{margin-top:0;}
}
.r-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.r-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(14,159,142,.28);}
.r-card .thumb{height:196px;overflow:hidden;}
.r-card .thumb.tall{height:250px;}
.r-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.r-card:hover .thumb img{transform:scale(1.05);}
.r-card .body{padding:26px 26px 28px;}
.r-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  font-size:13px;font-weight:700;color:var(--brand-700);
  background:linear-gradient(135deg,rgba(14,159,142,.16),rgba(143,224,106,.22));
  border:1px solid rgba(14,159,142,.3);
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.r-card h3{font-size:20px;font-weight:650;margin-bottom:10px;}
.r-card p{font-size:15px;line-height:1.75;color:var(--ink-600);margin-bottom:14px;}
.check-list li{
  position:relative;padding-left:22px;margin-bottom:9px;font-size:14.5px;color:var(--ink-600);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
  background:var(--brand-300);box-shadow:0 0 0 3px rgba(79,209,184,.18);
}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.mini-tags span{
  display:inline-block;padding:4px 11px;border-radius:var(--r-pill);
  background:#F0F5F2;border:1px solid var(--line);
  font-size:12.5px;color:var(--ink-600);
}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.step::after{
  content:"";position:absolute;top:44px;right:-14px;width:20px;height:2px;
  background:linear-gradient(90deg,rgba(14,159,142,.5),rgba(14,159,142,0));
}
.step:last-child::after{display:none;}
.step .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:650;margin-bottom:8px;}
.step p{font-size:14.5px;margin:0;line-height:1.7;}

/* table */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:#fff;box-shadow:var(--shadow-1);overflow-x:auto;
}
table.cmp{width:100%;min-width:720px;border-collapse:collapse;}
table.cmp caption{
  text-align:left;padding:22px 26px 0;font-size:14px;color:var(--ink-400);
}
table.cmp thead th{
  background:var(--brand-900);color:#fff;font-size:14.5px;font-weight:650;
  text-align:left;padding:16px 22px;letter-spacing:.4px;white-space:nowrap;
}
table.cmp thead th:first-child{border-top-left-radius:0;}
table.cmp tbody td{
  padding:16px 22px;font-size:14.5px;line-height:1.7;
  border-top:1px solid var(--line);vertical-align:top;
}
table.cmp tbody tr:nth-child(even){background:#FAFCFA;}
table.cmp tbody tr:hover{background:rgba(14,159,142,.05);}
table.cmp td:first-child{font-weight:650;color:var(--ink-900);}
.lvl{
  display:inline-block;padding:3px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:650;white-space:nowrap;
}
.lvl-high{background:rgba(255,106,43,.13);color:#C24413;border:1px solid rgba(255,106,43,.3);}
.lvl-mid{background:rgba(255,194,75,.18);color:#8A5B00;border:1px solid rgba(255,194,75,.42);}
.lvl-low{background:rgba(14,159,142,.12);color:var(--brand-700);border:1px solid rgba(14,159,142,.28);}

/* faq */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(14,159,142,.35);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--brand-500);transform:scaleY(0);transform-origin:center;transition:transform .22s var(--ease);
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-q svg{width:18px;height:18px;flex-shrink:0;color:var(--brand-500);transition:transform .22s var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{padding:0 22px 22px 22px;margin:0;font-size:15px;line-height:1.8;color:var(--ink-600);}

/* consult */
.consult{background:var(--surface-dark);position:relative;overflow:hidden;color:rgba(255,255,255,.75);}
.consult::before{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,159,142,.42),rgba(14,159,142,0) 70%);
}
.consult .container{position:relative;z-index:2;}
.consult-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start;}
.consult h2{color:#fff;font-size:clamp(26px,3.2vw,36px);margin-bottom:16px;}
.consult p.lead{color:rgba(255,255,255,.72);font-size:15.5px;}
.consult .point-list li{border-bottom-color:rgba(255,255,255,.12);}
.consult .point-list h3{color:#fff;font-size:16px;}
.consult .point-list p{color:rgba(255,255,255,.66);}
.consult .point-list .dot{background:rgba(79,209,184,.18);color:#9FF0DE;}
.form-card{
  background:rgba(255,255,255,.97);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--shadow-3);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-sub{font-size:14px;color:var(--ink-400);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 14px;background:#FBFDFB;color:var(--ink-900);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border:2px solid var(--brand-500);background:#fff;
  box-shadow:0 0 0 4px rgba(14,159,142,.15);
}
.field input.is-error,.field select.is-error{border:2px solid #E5533D;background:#FFF7F5;}
.field .err{display:none;margin-top:6px;font-size:13px;color:#C43A22;}
.field.has-error .err{display:block;}
.form-note{font-size:13px;color:var(--ink-400);line-height:1.7;margin:14px 0 0;}
.form-ok{
  display:none;margin-bottom:18px;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(14,159,142,.10);border:1px solid rgba(14,159,142,.3);
  color:var(--brand-700);font-size:14px;font-weight:600;
}
.form-ok.show{display:block;}
.privacy-card{
  margin-top:22px;background:#FBFDFB;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;
}
.privacy-card .pc-head{display:flex;align-items:center;gap:9px;font-size:14.5px;font-weight:650;color:var(--ink-900);margin-bottom:10px;}
.privacy-card .pc-head svg{width:16px;height:16px;color:var(--brand-500);}
.privacy-card ul li{position:relative;padding-left:16px;font-size:13.5px;line-height:1.7;color:var(--ink-600);margin-bottom:6px;}
.privacy-card ul li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--brand-300);}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:330px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:650;margin-bottom:16px;}
.f-links li{margin-bottom:10px;}
.f-links a{font-size:14px;color:rgba(255,255,255,.72);}
.f-links a:hover{color:var(--brand-300);}
.f-contact li{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:10px;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--brand-300);}

@media (max-width:1024px){
  .nav-links,.nav-search{display:none;}
  .burger{display:inline-flex;}
  .section{padding:72px 0;}
  .intro-grid,.consult-grid{grid-template-columns:1fr;gap:36px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero{padding:128px 0 60px;min-height:auto;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .site-header{height:64px;}
  .nav-inner{height:64px;}
  .brand-text{font-size:15px;}
  .section{padding:56px 0;}
  .cat-hero{padding:112px 0 48px;}
  .cat-hero h1{font-size:clamp(26px,7.4vw,34px);}
  .cat-hero p.lead{font-size:15.5px;}
  .btn{height:46px;padding:0 20px;}
  .steps{grid-template-columns:1fr;}
  .r-card .thumb,.r-card .thumb.tall{height:186px;}
  .r-card .body{padding:20px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}