/* roulang page: index */
:root{
  --primary:#00C9A7;
  --primary-dark:#00A88B;
  --primary-light:rgba(0,201,167,.1);
  --primary-glow:rgba(0,201,167,.15);
  --accent:#FFB454;
  --accent-dark:#E89A3A;
  --dark:#0B1B1E;
  --dark-rgb:11,27,30;
  --dark-soft:rgba(11,27,30,.78);
  --dark-solid:rgba(11,27,30,.96);
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --text:#1B2327;
  --text-muted:#5C6E72;
  --text-light:#8A9A9E;
  --text-on-dark:#F2F7F6;
  --border:#E2E8E6;
  --radius-card:18px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-sm:0 4px 16px rgba(11,27,30,.06);
  --shadow-hover:0 12px 28px rgba(11,27,30,.14);
  --nav-shadow:0 8px 32px rgba(0,0,0,.18);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Inter","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg);color:var(--text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s ease}
button{font-family:var(--font-cn)}
.container{max-width:1200px;padding-left:16px;padding-right:16px}
section{position:relative}
::selection{background:var(--primary);color:#fff}
h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(34px,5vw,52px);font-weight:800}
h2{font-size:clamp(26px,3.6vw,38px);font-weight:700}
h3{font-size:clamp(20px,2.4vw,26px);font-weight:600}
.section-pad{padding:100px 0}
@media(max-width:991px){.section-pad{padding:72px 0}}
@media(max-width:767px){.section-pad{padding:48px 0}}

/* ===== 按钮 ===== */
.btn-lead{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:var(--dark);font-weight:700;font-size:15px;
  border:2px solid var(--primary);border-radius:var(--radius-pill);padding:12px 28px;
  transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;line-height:1.2;
}
.btn-lead:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:var(--dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-lead:focus-visible{outline:3px solid var(--primary-glow);outline-offset:2px}
.btn-lead-accent{background:var(--accent);border-color:var(--accent)}
.btn-lead-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--text-on-dark);font-weight:600;font-size:15px;
  border:1.5px solid rgba(255,255,255,.4);border-radius:var(--radius-pill);padding:12px 28px;
  transition:all .3s;cursor:pointer;line-height:1.2;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.8);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(255,255,255,.3);outline-offset:2px}
.btn-outline-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--text);font-weight:600;font-size:14px;
  border:1.5px solid var(--border);border-radius:var(--radius-pill);padding:9px 22px;
  transition:all .3s;cursor:pointer;
}
.btn-outline-dark:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);transform:translateY(-1px)}
.btn-sm-pill{
  display:inline-flex;align-items:center;gap:6px;background:transparent;color:var(--text-muted);
  border:1px solid var(--border);border-radius:var(--radius-pill);padding:6px 18px;font-size:13px;
  transition:all .3s;cursor:pointer;font-weight:500;
}
.btn-sm-pill:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

/* ===== 导航 ===== */
.site-nav{
  position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:1000;
  width:calc(100% - 32px);max-width:1200px;
  background:var(--dark-soft);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-radius:56px;padding:0 24px;transition:all .35s ease;
  box-shadow:var(--nav-shadow);
}
.site-nav.scrolled{background:var(--dark-solid)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.logo-area{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  width:40px;height:40px;border-radius:50%;background:var(--primary);
  display:flex;align-items:center;justify-content:center;color:var(--dark);font-size:17px;
}
.logo-text{font-size:22px;font-weight:800;color:var(--text-on-dark);letter-spacing:.01em;font-family:var(--font-cn)}
.logo-text span{color:var(--primary)}
.logo-sub{font-size:10px;color:rgba(255,255,255,.5);letter-spacing:.16em;text-transform:uppercase;display:block;line-height:1;margin-top:1px}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{
  font-size:15px;font-weight:500;color:rgba(255,255,255,.75);
  padding:8px 16px;border-radius:var(--radius-pill);position:relative;transition:all .3s;
  display:block;line-height:1.4;white-space:nowrap;
}
.nav-links a:hover{color:var(--primary);background:rgba(255,255,255,.1)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:20px;height:4px;border-radius:2px;background:var(--primary);
}
.nav-cta{margin-left:8px;flex-shrink:0}
.btn-nav-cta{
  display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:var(--dark);
  font-size:14px;font-weight:700;border-radius:var(--radius-pill);padding:9px 22px;
  transition:all .3s;border:none;cursor:pointer;line-height:1.4;
}
.btn-nav-cta:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,201,167,.25)}
.nav-toggler{
  display:none;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);color:var(--text-on-dark);font-size:18px;
  align-items:center;justify-content:center;cursor:pointer;transition:all .3s;flex-shrink:0;
}
.nav-toggler:hover{background:rgba(255,255,255,.16);color:var(--primary)}
.mobile-menu{
  display:none;padding:8px 8px 18px;list-style:none;margin:0;border-top:1px solid rgba(255,255,255,.08);
}
.mobile-menu.show{display:block}
.mobile-menu a{
  display:block;padding:12px 16px;color:rgba(255,255,255,.8);font-size:16px;font-weight:500;
  border-radius:18px;transition:all .3s;margin-top:4px;
}
.mobile-menu a:hover{background:rgba(255,255,255,.08);color:var(--primary)}
.mobile-menu a.active{color:var(--primary);background:var(--primary-light)}
@media(max-width:991px){
  .nav-links,.nav-cta{display:none}
  .nav-toggler{display:flex}
}
@media(max-width:480px){
  .site-nav{padding:0 14px}
  .logo-sub{display:none}
  .logo-text{font-size:19px}
}

/* ===== Hero ===== */
.hero{
  background:var(--dark);min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;padding:140px 0 80px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.35;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 28% 55%,rgba(0,201,167,.18) 0%,transparent 55%),linear-gradient(110deg,rgba(11,27,30,.94) 20%,rgba(11,27,30,.68) 70%,rgba(11,27,30,.9) 100%);
}
.hero-wave{
  position:absolute;bottom:0;left:0;right:0;height:90px;z-index:2;pointer-events:none;
}
.hero-wave .wave-line{
  position:absolute;bottom:calc(var(--i,1)*12px);left:0;width:100%;height:2px;
  background:linear-gradient(90deg,transparent 10%,rgba(0,201,167,.12) 30%,rgba(0,201,167,.28) 50%,rgba(0,201,167,.12) 70%,transparent 90%);
  border-radius:2px;animation:wavePulse 8s ease-in-out infinite alternate;
}
@keyframes wavePulse{0%{opacity:.4;transform:scaleX(1)}100%{opacity:.9;transform:scaleX(.96)}}
.hero-content{position:relative;z-index:5}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(0,201,167,.14);
  border:1px solid rgba(0,201,167,.3);color:var(--primary);border-radius:var(--radius-pill);
  padding:6px 18px;font-size:13px;font-weight:600;margin-bottom:24px;
}
.hero-badge i{font-size:12px}
.hero h1{color:var(--text-on-dark);margin-bottom:18px;max-width:640px}
.hero h1 .highlight{color:var(--primary);position:relative}
.hero-sub{
  font-size:17px;color:#C2D1CC;line-height:1.8;max-width:500px;margin-bottom:36px;font-weight:400;
}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-trust{display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.hero-trust-item{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.55);font-size:13px}
.hero-trust-item i{color:var(--primary);font-size:14px}
.hero-visual{position:relative;z-index:5;display:flex;align-items:center;justify-content:center;padding:30px 0}
.phone-ring{
  position:absolute;border-radius:50%;border:1.5px solid rgba(0,201,167,.16);pointer-events:none;
}
.ring-outer{width:420px;height:420px;animation:spinSlow 28s linear infinite}
.ring-inner{width:330px;height:330px;border-color:rgba(255,180,84,.18);animation:spinSlow 20s linear infinite reverse}
@keyframes spinSlow{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.phone-frame{
  width:270px;height:545px;background:rgba(18,34,38,.9);border:2px solid rgba(255,255,255,.14);
  border-radius:42px;padding:12px;position:relative;z-index:3;
  box-shadow:0 40px 80px rgba(0,0,0,.45),0 0 0 6px rgba(0,201,167,.04);
}
.phone-notch{
  position:absolute;top:14px;left:50%;transform:translateX(-50%);width:90px;height:22px;
  background:#0B1B1E;border-radius:0 0 14px 14px;z-index:5;
}
.phone-screen{
  width:100%;height:100%;border-radius:30px;overflow:hidden;position:relative;background:#081416;
}
.phone-screen img{width:100%;height:100%;object-fit:cover}
.phone-screen::after{
  content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(0,201,167,.08) 0%,transparent 45%);
}
.phone-glow{
  position:absolute;bottom:-40px;left:50%;transform:translateX(-50%);width:260px;height:80px;
  background:radial-gradient(ellipse,rgba(0,201,167,.25) 0%,transparent 70%);filter:blur(12px);z-index:1;
}
.scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:6;
  width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);
  animation:bounceDown 2s ease-in-out infinite;cursor:pointer;transition:all .3s;background:rgba(0,0,0,.2);
}
.scroll-hint:hover{border-color:var(--primary);color:var(--primary)}
@keyframes bounceDown{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}
@media(max-width:991px){
  .hero{padding:120px 0 60px;min-height:auto}
  .hero-visual{margin-top:30px}
  .phone-ring.ring-outer{width:330px;height:330px}
  .phone-ring.ring-inner{width:260px;height:260px}
  .phone-frame{width:240px;height:485px}
}
@media(max-width:767px){
  .hero-sub{font-size:16px}
  .hero-btns{flex-direction:column;align-items:stretch}
  .hero-btns .btn-lead,.hero-btns .btn-ghost{width:100%}
  .phone-ring.ring-outer{width:280px;height:280px}
  .phone-ring.ring-inner{width:220px;height:220px}
}

/* ===== 板块通用 ===== */
.section-head{text-align:center;margin-bottom:52px;position:relative}
.section-head .section-tag{
  display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);
  color:var(--primary-dark);font-size:13px;font-weight:700;border-radius:var(--radius-pill);
  padding:5px 16px;margin-bottom:16px;letter-spacing:.04em;
}
.section-head h2{color:var(--text);margin-bottom:12px}
.section-head .section-sub{color:var(--text-muted);font-size:16px;max-width:600px;margin:0 auto;line-height:1.7}

/* ===== 痛点卡 ===== */
.pain-section{background:var(--bg)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:36px 30px;transition:all .3s ease;position:relative;overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.pain-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity .3s;
}
.pain-card:hover{border-color:rgba(0,201,167,.5);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.pain-card:hover::before{opacity:1}
.pain-icon{
  width:48px;height:48px;border-radius:50%;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--primary);margin-bottom:20px;
  transition:all .3s;
}
.pain-card:hover .pain-icon{background:var(--primary);color:#fff;transform:scale(1.06)}
.pain-card h3{font-size:17px;font-weight:600;margin-bottom:10px;color:var(--text);transition:color .3s}
.pain-card:hover h3{color:var(--primary-dark)}
.pain-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin:0}
@media(max-width:991px){
  .pain-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  .pain-grid{grid-template-columns:1fr}
  .pain-card{padding:28px 22px}
}

/* ===== 方案卡 ===== */
.solution-section{background:var(--card)}
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:flex-start}
.solution-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;transition:all .3s ease;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,201,167,.4)}
.solution-card-img{
  position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,#E8F6F2,var(--bg));
}
.solution-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.solution-card:hover .solution-card-img img{transform:scale(1.04)}
.solution-card-img .img-placeholder{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:36px;color:rgba(0,201,167,.35);
}
.solution-card-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.solution-badge{
  display:inline-flex;align-items:center;align-self:flex-start;background:var(--primary-light);
  color:var(--primary-dark);font-size:12px;font-weight:700;border-radius:var(--radius-pill);
  padding:4px 14px;margin-bottom:14px;
}
.solution-card-body h3{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--text)}
.solution-card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:18px;flex:1}
.solution-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary-dark);font-size:14px;font-weight:600;
  transition:all .3s;background:none;border:none;padding:0;cursor:pointer;
}
.solution-link i{transition:transform .3s}
.solution-link:hover{color:var(--primary)}
.solution-link:hover i{transform:translateX(4px)}
@media(min-width:992px){
  .solution-card:nth-child(2){margin-top:14px}
  .solution-card:nth-child(4){margin-top:8px}
}
@media(max-width:991px){
  .solution-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
  .solution-grid{grid-template-columns:1fr}
  .solution-card:nth-child(2),.solution-card:nth-child(4){margin-top:0}
}

/* ===== 数据 ===== */
.stats-section{
  background:var(--dark);color:var(--text-on-dark);padding:80px 0;position:relative;overflow:hidden;
}
.stats-section::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.12;
}
.stats-section::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,201,167,.06) 0%,transparent 40%,rgba(255,180,84,.06) 100%);
}
.stats-inner{position:relative;z-index:2}
.section-head.light .section-tag{background:rgba(0,201,167,.15);color:var(--primary)}
.section-head.light h2{color:var(--text-on-dark)}
.section-head.light .section-sub{color:rgba(255,255,255,.55)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{text-align:center;padding:20px 18px;position:relative}
.stat-item:not(:last-child)::after{
  content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:1px;height:64px;background:rgba(255,255,255,.12);
}
.stat-num{
  font-family:var(--font-num);font-size:clamp(40px,5vw,64px);font-weight:800;
  color:var(--primary);line-height:1.1;margin-bottom:10px;
  animation:fadeUp .8s ease both;
}
.stat-item:nth-child(2) .stat-num{color:var(--accent)}
.stat-label{font-size:13px;color:rgba(255,255,255,.6);font-weight:500;letter-spacing:.04em}
.stat-line{width:28px;height:2px;background:var(--primary);margin:0 auto 12px;border-radius:2px}
.stat-item:nth-child(2) .stat-line{background:var(--accent)}
@media(max-width:991px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat-item:nth-child(2)::after{display:none}
}
@media(max-width:767px){
  .stats-grid{grid-template-columns:1fr;gap:40px 0}
  .stat-item::after{display:none!important}
}

/* ===== FAQ ===== */
.faq-section{background:var(--bg)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:1000px;margin:0 auto}
.faq-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px 30px;transition:all .3s ease;box-shadow:var(--shadow-sm);
}
.faq-card:hover{border-color:rgba(0,201,167,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.faq-q{display:flex;align-items:flex-start;gap:14px;margin-bottom:12px}
.faq-q-icon{
  width:28px;height:28px;border-radius:50%;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;margin-top:2px;
}
.faq-q h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;margin:0}
.faq-a{display:flex;align-items:flex-start;gap:14px;padding-left:42px}
.faq-a-icon{color:var(--text-light);font-size:13px;line-height:1.8;flex-shrink:0}
.faq-a p{font-size:14.5px;color:var(--text-muted);line-height:1.75;margin:0}
@media(max-width:767px){
  .faq-grid{grid-template-columns:1fr}
  .faq-card{padding:22px 20px}
}

/* ===== 资讯 ===== */
.news-section{background:var(--card)}
.news-list{max-width:960px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.news-row{
  display:flex;align-items:center;gap:24px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:20px 24px;transition:all .35s ease;box-shadow:var(--shadow-sm);
}
.news-row:hover{background:rgba(0,201,167,.06);border-color:rgba(0,201,167,.35);box-shadow:var(--shadow-hover)}
.news-date{
  flex-shrink:0;width:64px;height:64px;border-radius:14px;background:var(--primary-light);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  transition:all .35s ease;text-align:center;
}
.news-row:hover .news-date{background:var(--primary)}
.news-day{font-family:var(--font-num);font-size:24px;font-weight:800;color:var(--primary-dark);line-height:1.1;transition:color .3s}
.news-month{font-size:12px;color:var(--text-muted);font-weight:500;transition:color .3s}
.news-row:hover .news-day{color:#fff}
.news-row:hover .news-month{color:rgba(255,255,255,.8)}
.news-body{flex:1;min-width:0}
.news-cat{
  display:inline-block;background:var(--primary-light);color:var(--primary-dark);
  font-size:12px;font-weight:600;border-radius:var(--radius-pill);padding:3px 12px;margin-bottom:6px;
}
.news-body h3{
  font-size:17px;font-weight:600;color:var(--text);margin-bottom:4px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .3s;
}
.news-row:hover .news-body h3{color:var(--primary-dark)}
.news-body p{
  font-size:13px;color:var(--text-muted);line-height:1.6;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  flex-shrink:0;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:15px;
  transition:all .3s;
}
.news-row:hover .news-arrow{border-color:var(--primary);color:var(--primary);background:var(--card)}
.cms-empty{
  text-align:center;padding:60px 20px;background:var(--bg);border-radius:var(--radius-card);
  border:1.5px dashed var(--border);
}
.empty-icon{
  width:80px;height:80px;border-radius:50%;border:2px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--text-light);
  margin:0 auto 16px;
}
.cms-empty p{color:var(--text-light);font-size:15px;margin:0}
.news-more{text-align:center;margin-top:36px}
@media(max-width:767px){
  .news-row{align-items:flex-start;padding:16px;gap:14px}
  .news-date{width:50px;height:52px;border-radius:12px}
  .news-day{font-size:19px}
  .news-body h3{font-size:15.5px}
  .news-arrow{display:none}
}

/* ===== CTA ===== */
.cta-section{padding:90px 0;position:relative;overflow:hidden;background:var(--dark)}
.cta-section::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-section::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 100%,rgba(0,201,167,.16) 0%,transparent 60%);
}
.cta-box{position:relative;z-index:2;text-align:center;max-width:700px;margin:0 auto}
.cta-box h2{color:var(--text-on-dark);margin-bottom:14px}
.cta-box p{color:rgba(255,255,255,.6);font-size:16px;line-height:1.7;margin-bottom:36px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media(max-width:767px){
  .cta-section{padding:60px 0}
  .cta-btns{flex-direction:column;align-items:stretch}
  .cta-btns .btn-lead,.cta-btns .btn-ghost{width:100%}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.55);padding:70px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,201,167,.3),transparent);
}
.footer-main{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:50px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .logo-icon{width:38px;height:38px;font-size:15px}
.footer-logo .logo-text{font-size:20px}
.footer-brand-desc{font-size:14px;color:rgba(255,255,255,.45);line-height:1.8;max-width:280px;margin-bottom:16px}
.footer-icp{font-size:12px;color:rgba(255,255,255,.3);display:block}
.footer-title{font-size:15px;color:rgba(255,255,255,.9);font-weight:600;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--primary);border-radius:2px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.5);transition:all .3s;display:inline-flex;align-items:center;gap:6px}
.footer-links a i{font-size:11px;color:var(--text-light);transition:all .3s}
.footer-links a:hover{color:var(--primary);padding-left:4px}
.footer-links a:hover i{color:var(--primary)}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(255,255,255,.5);line-height:1.6}
.footer-contact i{color:var(--primary);font-size:14px;margin-top:4px;width:16px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.35);
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--primary)}
@media(max-width:991px){
  .footer-main{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media(max-width:575px){
  .footer-main{grid-template-columns:1fr;gap:28px}
}

/* ===== Modal ===== */
.modal-content{
  border:none;border-radius:20px;box-shadow:0 32px 64px rgba(0,0,0,.28);background:var(--card);
}
.modal-header{
  border-bottom:none;padding:32px 28px 8px;position:relative;
}
.modal-header h3{font-size:22px;font-weight:700;color:var(--text)}
.modal-close-custom{
  position:absolute;top:24px;right:24px;width:40px;height:40px;border-radius:50%;
  border:none;background:var(--bg);color:var(--text-muted);font-size:16px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;
}
.modal-close-custom:hover{background:#E8ECEA;color:var(--text)}
.modal-body{padding:8px 28px 32px}
.modal-body .form-label{font-size:13px;font-weight:500;color:var(--text);margin-bottom:6px}
.modal-body .form-control,.modal-body .form-select{
  height:48px;border-radius:var(--radius-md);border:1px solid #DCDEE3;font-size:15px;
  color:var(--text);padding:0 16px;background:var(--card);transition:all .25s;
}
.modal-body .form-control::placeholder{color:var(--text-light)}
.modal-body .form-control:focus,.modal-body .form-select:focus{
  border-color:var(--primary);outline:none;box-shadow:0 0 0 4px var(--primary-glow);
}
.btn-modal-submit{
  width:100%;height:48px;border-radius:var(--radius-pill);background:var(--primary);
  color:var(--dark);font-weight:700;font-size:16px;border:none;cursor:pointer;
  transition:all .3s;margin-top:8px;
}
.btn-modal-submit:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,201,167,.25)}
.privacy-note{
  display:flex;align-items:center;justify-content:center;gap:6px;
  font-size:12px;color:var(--text-light);text-align:center;margin:16px 0 0;
}
.privacy-note i{font-size:13px;color:var(--text-light)}
.modal-dialog{max-width:480px}
@media(max-width:575px){
  .modal-dialog{width:92vw;max-width:92vw;margin:4vh auto}
  .modal-header{padding:24px 20px 4px}
  .modal-body{padding:8px 20px 24px}
}

/* ===== 动画 ===== */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
.fade-up{animation:fadeUp .7s ease both}
.delay-1{animation-delay:.1s}
.delay-2{animation-delay:.2s}
.delay-3{animation-delay:.3s}

/* roulang page: category1 */
/* ========== 1. 设计变量 ========== */
        :root {
            --color-primary: #00C9A7;
            --color-primary-dark: #00A98B;
            --color-primary-light: rgba(0, 201, 167, 0.12);
            --color-accent: #FFB454;
            --color-dark: #0B1B1E;
            --color-bg: #F6F8F7;
            --color-card: #FFFFFF;
            --color-border: #E2E8E6;
            --color-text: #1B2327;
            --color-text-secondary: #5C6E72;
            --color-text-muted: #8A9A9E;
            --color-text-dark-bg: #F2F7F6;
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --shadow-card: 0 4px 16px rgba(11, 27, 30, 0.06);
            --shadow-card-hover: 0 12px 28px rgba(11, 27, 30, 0.14);
            --transition: all 0.3s ease;
        }

        /* ========== 2. Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select {
            font-family: inherit;
        }

        /* ========== 3. 通用容器与板块 ========== */
        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
            margin: 0 auto;
        }
        .section {
            padding: 100px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary-dark);
            background: var(--color-primary-light);
            border-radius: 999px;
            padding: 4px 14px;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(26px, 3.6vw, 38px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        /* ========== 4. 导航 ========== */
        .site-nav {
            position: fixed;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1200px;
            z-index: 1050;
            background: rgba(11, 27, 30, 0.78);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 56px;
            padding: 0 18px;
            transition: background 0.4s ease, box-shadow 0.4s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
        }
        .site-nav.scrolled {
            background: rgba(11, 27, 30, 0.96);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-dark);
            font-size: 16px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            letter-spacing: 0.01em;
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .logo-sub {
            font-size: 10px;
            letter-spacing: 0.14em;
            color: rgba(255, 255, 255, 0.5);
            display: block;
            margin-top: 2px;
            font-family: "Inter", "Poppins", sans-serif;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 4px;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 999px;
            position: relative;
            display: block;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-primary);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 4px;
            border-radius: 4px;
            background: var(--color-primary);
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn-nav-cta {
            background: var(--color-primary);
            color: var(--color-dark);
            border-radius: 999px;
            padding: 8px 22px;
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-nav-cta:hover {
            background: var(--color-accent);
            transform: translateY(-2px);
            color: var(--color-dark);
        }
        .nav-toggler {
            display: none;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-size: 16px;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu {
            display: none;
            list-style: none;
            padding: 12px 8px 16px;
            margin: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .mobile-menu li {
            margin-bottom: 6px;
        }
        .mobile-menu a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            padding: 10px 12px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-primary);
        }
        .btn-modal-submit {
            background: var(--color-primary);
            color: var(--color-dark);
            border-radius: 999px;
            padding: 10px 24px;
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-modal-submit:hover {
            background: var(--color-accent);
        }

        /* ========== 5. 按钮 ========== */
        .btn-primary-custom {
            background: var(--color-primary);
            color: var(--color-dark);
            border-radius: 999px;
            padding: 12px 32px;
            font-weight: 700;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            border: none;
        }
        .btn-primary-custom:hover {
            background: var(--color-accent);
            transform: translateY(-2px);
            color: var(--color-dark);
            box-shadow: 0 8px 24px rgba(255, 180, 84, 0.3);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            border-radius: 999px;
            padding: 10px 26px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-outline-custom:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

        /* ========== 6. 分类页 Hero ========== */
        .category-hero {
            position: relative;
            background: var(--color-bg);
            background-image: linear-gradient(rgba(246, 248, 247, 0.82), rgba(246, 248, 247, 0.92)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 120px 0 60px;
            min-height: 380px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }
        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0.35;
        }
        .category-hero .hero-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }
        .category-hero .hero-content {
            flex: 1;
            max-width: 620px;
        }
        .category-hero .hero-title {
            font-size: clamp(34px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.15;
            color: var(--color-text);
            margin-bottom: 14px;
        }
        .category-hero .hero-sub {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 480px;
        }
        .category-hero .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .category-hero .hero-visual {
            flex-shrink: 0;
            width: 300px;
            height: 240px;
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            background: var(--color-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 16px 40px rgba(11, 27, 30, 0.2);
        }
        .category-hero .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.75;
        }
        .category-hero .hero-visual::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 40% 40%, rgba(0, 201, 167, 0.25), transparent 70%);
        }
        .category-hero .hero-visual .visual-ring {
            position: absolute;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            border: 2px solid var(--color-primary);
            opacity: 0.5;
            animation: pulse-ring 2.5s ease-in-out infinite;
        }
        .category-hero .hero-visual .visual-ring.two {
            width: 90px;
            height: 90px;
            border-color: var(--color-accent);
            animation-delay: 0.6s;
        }
        @keyframes pulse-ring {
            0% {
                transform: scale(0.9);
                opacity: 0.3;
            }
            50% {
                transform: scale(1.1);
                opacity: 0.6;
            }
            100% {
                transform: scale(0.9);
                opacity: 0.3;
            }
        }

        /* ========== 7. 面包屑 ========== */
        .breadcrumb-bar {
            padding: 20px 0 0;
            background: var(--color-bg);
        }
        .breadcrumb-bar .breadcrumb {
            font-size: 13px;
            margin: 0;
            display: flex;
            list-style: none;
            gap: 8px;
            align-items: center;
        }
        .breadcrumb-bar .breadcrumb a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-bar .breadcrumb li+li::before {
            content: "/";
            color: var(--color-text-muted);
            margin-right: 8px;
        }
        .breadcrumb-bar .breadcrumb li.active {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ========== 8. 描述区 ========== */
        .category-desc {
            padding: 80px 0 60px;
        }
        .category-desc .desc-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }
        .category-desc .desc-text .section-title {
            margin-bottom: 18px;
        }
        .category-desc .desc-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }
        .category-desc .desc-text .desc-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .category-desc .desc-text .desc-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-secondary);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 4px 14px;
            transition: var(--transition);
        }
        .category-desc .desc-text .desc-tags span:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .category-desc .desc-text .desc-tags i {
            color: var(--color-primary);
        }
        .category-desc .desc-img {
            border-radius: 18px;
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 9;
            background: linear-gradient(145deg, #e8f6f2, #d5ece6);
            box-shadow: var(--shadow-card);
        }
        .category-desc .desc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-desc .desc-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 27, 30, 0.12), transparent 40%);
        }

        /* ========== 9. 分类卡片区 ========== */
        .category-cards-section {
            padding: 60px 0 80px;
        }
        .category-cards-section .section-head {
            margin-bottom: 40px;
        }
        .category-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 201, 167, 0.5);
        }
        .category-card .card-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            position: relative;
            background: linear-gradient(145deg, #e8f6f2, #d5ece6);
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .card-img img {
            transform: scale(1.05);
        }
        .category-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(0, 201, 167, 0.85);
            color: var(--color-dark);
            font-size: 12px;
            font-weight: 700;
            border-radius: 999px;
            padding: 2px 12px;
            z-index: 2;
        }
        .category-card .card-body {
            padding: 24px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .category-card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .category-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-card .card-link i {
            transition: transform 0.3s ease;
        }
        .category-card .card-link:hover i {
            transform: translateX(4px);
        }
        .category-card .card-link:hover {
            color: var(--color-primary);
        }

        /* ========== 10. 引荐区 ========== */
        .category-reference {
            padding: 60px 0 80px;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .category-reference .section-head {
            margin-bottom: 32px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
        }
        .reference-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .reference-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-bg);
            border-radius: 16px;
            padding: 14px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .reference-card:hover {
            background: var(--color-primary-light);
            border-color: rgba(0, 201, 167, 0.25);
            transform: translateY(-3px);
        }
        .reference-card .ref-thumb {
            width: 80px;
            height: 80px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
            background: linear-gradient(145deg, #e8f6f2, #d5ece6);
        }
        .reference-card .ref-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .reference-card .ref-info {
            flex: 1;
            min-width: 0;
        }
        .reference-card .ref-badge {
            display: inline-block;
            font-size: 12px;
            color: var(--color-primary-dark);
            background: rgba(0, 201, 167, 0.12);
            border-radius: 999px;
            padding: 1px 10px;
            margin-bottom: 6px;
        }
        .reference-card .ref-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .reference-card .ref-title:hover {
            color: var(--color-primary);
        }

        /* ========== 11. FAQ ========== */
        .faq-section {
            padding: 80px 0;
        }
        .faq-section .container {
            max-width: 900px;
        }
        .faq-section .section-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-title {
            text-align: center;
        }
        .faq-list {
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 26px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 201, 167, 0.4);
            box-shadow: var(--shadow-card);
        }
        .faq-item .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
        }
        .faq-item .faq-q h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0;
        }
        .faq-item .faq-q .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding-top: 12px;
        }

        /* ========== 12. CTA ========== */
        .cta-section {
            padding: 40px 0 80px;
        }
        .cta-banner {
            background: var(--color-dark);
            border-radius: 24px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 201, 167, 0.12);
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 60%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 180, 84, 0.08);
        }
        .cta-banner .cta-info {
            position: relative;
            z-index: 2;
        }
        .cta-banner .cta-info h2 {
            color: var(--color-text-dark-bg);
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-banner .cta-info p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin: 0;
        }
        .cta-banner .cta-btn-wrap {
            position: relative;
            z-index: 2;
            flex-shrink: 0;
        }

        /* ========== 13. 页脚 ========== */
        .site-footer {
            background: var(--color-dark);
            padding: 70px 0 24px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo .logo-icon {
            color: var(--color-dark);
        }
        .footer-logo .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }
        .footer-icp {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a i {
            font-size: 6px;
            color: var(--color-primary);
        }
        .footer-links a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-contact li i {
            color: var(--color-primary);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ========== 14. 模态框 / 表单 ========== */
        .modal-content {
            border: none !important;
            border-radius: 20px !important;
            box-shadow: 0 32px 64px rgba(0, 0, 0, 0.28) !important;
        }
        .modal-header {
            padding: 32px 28px 0;
            border-bottom: none;
        }
        .modal-header .modal-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
        }
        .modal-header .btn-close {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--color-bg);
            opacity: 1;
            transition: var(--transition);
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .modal-header .btn-close:hover {
            background-color: var(--color-border);
        }
        .modal-body {
            padding: 20px 28px 32px;
        }
        .form-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .form-control,
        .form-select {
            height: 48px;
            border-radius: var(--radius-input) !important;
            border: 1px solid #DCDEE3 !important;
            padding: 0 16px;
            font-size: 15px;
            color: var(--color-text) !important;
            transition: var(--transition);
            background-color: #fff;
        }
        .form-control:focus,
        .form-select:focus {
            border-color: var(--color-primary) !important;
            box-shadow: 0 0 0 4px rgba(0, 201, 167, 0.15) !important;
            outline: none;
        }
        .btn-submit-form {
            width: 100%;
            height: 48px;
            background: var(--color-primary);
            color: var(--color-dark);
            border-radius: 999px;
            font-weight: 700;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--transition);
            border: none;
            margin-top: 8px;
        }
        .btn-submit-form:hover {
            background: var(--color-accent);
            transform: translateY(-2px);
        }
        .privacy-note {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 14px;
        }
        .privacy-note i {
            font-size: 14px;
            color: var(--color-primary);
        }

        /* ========== 15. 响应式 ========== */
        @media (max-width: 991.98px) {
            .nav-links,
            .nav-cta {
                display: none;
            }
            .nav-toggler {
                display: flex;
            }
            .mobile-menu.show {
                display: block;
            }
            .category-hero {
                padding: 110px 0 50px;
                min-height: 340px;
            }
            .category-hero .hero-inner {
                flex-direction: column;
                gap: 24px;
            }
            .category-hero .hero-visual {
                width: 240px;
                height: 180px;
            }
            .category-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reference-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-desc .desc-grid {
                grid-template-columns: 1fr;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .cta-banner {
                padding: 36px 32px;
                flex-direction: column;
                text-align: center;
            }
            .cta-banner .cta-btn-wrap {
                width: 100%;
            }
            .cta-banner .btn-primary-custom {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }
            .site-nav {
                width: calc(100% - 16px);
                top: 8px;
                border-radius: 40px;
                padding: 0 12px;
            }
            .nav-inner {
                height: 56px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-sub {
                display: none;
            }
            .category-hero {
                padding: 96px 0 36px;
                min-height: auto;
            }
            .category-hero .hero-title {
                font-size: 32px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .category-hero .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .category-hero .hero-btns .btn-primary-custom,
            .category-hero .hero-btns .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .category-cards-grid {
                grid-template-columns: 1fr;
            }
            .reference-list {
                grid-template-columns: 1fr;
            }
            .category-reference .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .footer-main {
                grid-template-columns: 1fr;
            }
            .faq-item {
                padding: 18px;
            }
            .modal-body {
                padding: 16px 20px 28px;
            }
            .modal-header {
                padding: 20px 20px 0;
            }
        }

/* roulang page: article */
:root {
  --brand: #00C9A7;
  --brand-dark: #00B394;
  --brand-glow: rgba(0, 201, 167, 0.32);
  --amber: #FFB454;
  --amber-dark: #F0A13D;
  --deep: #0B1B1E;
  --deep-2: #122B2E;
  --bg: #F6F8F7;
  --white: #FFFFFF;
  --border: #E2E8E6;
  --text: #1B2327;
  --text-sub: #5C6E72;
  --text-muted: #8A9A9E;
  --text-light: #F2F7F6;
  --success: #34D399;
  --warning: #F59E0B;
  --danger: #EF4444;
  --card-radius: 18px;
  --btn-radius: 999px;
  --shadow-card: 0 4px 16px rgba(11, 27, 30, 0.06);
  --shadow-hover: 0 12px 28px rgba(11, 27, 30, 0.14);
  --nav-radius: 56px;
  --transition: all 0.3s cubic-bezier(0.25, 0.6, 0.3, 1);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Inter", "Noto Sans SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.8; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { border: none; background: none; font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
::selection { background: var(--brand); color: var(--deep); }
:focus-visible { outline: 3px solid var(--brand-glow); outline-offset: 2px; border-radius: 4px; }

/* ========== 导航 ========== */
.site-nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 1080;
  width: calc(100% - 32px); max-width: 1200px; padding: 10px 22px;
  background: rgba(11, 27, 30, 0.78); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-radius: var(--nav-radius); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  transition: var(--transition);
}
.site-nav.scrolled { background: rgba(11, 27, 30, 0.96); box-shadow: 0 10px 36px rgba(0, 0, 0, 0.28); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo-area { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--amber));
  display: flex; align-items: center; justify-content: center;
  color: var(--deep); font-size: 18px; box-shadow: 0 0 0 4px rgba(0, 201, 167, 0.15);
}
.logo-text { font-size: 20px; font-weight: 800; color: var(--text-light); line-height: 1.2; letter-spacing: 0.01em; }
.logo-text span { color: var(--brand); }
.logo-sub { display: block; font-size: 10px; letter-spacing: 0.18em; color: rgba(138, 154, 158, 0.9); text-transform: uppercase; margin-top: 1px; }
.nav-links { display: flex; align-items: center; gap: 28px; margin: 0; padding: 0; }
.nav-links li { list-style: none; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: rgba(242, 247, 246, 0.82);
  padding: 8px 2px; position: relative; transition: var(--transition); white-space: nowrap;
}
.nav-links a:hover { color: var(--brand); }
.nav-links a.active { color: var(--brand); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  border-radius: 4px; background: var(--brand);
}
.nav-cta { display: flex; align-items: center; }
.btn-nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand); color: var(--deep); border-radius: 999px;
  padding: 10px 22px; font-weight: 700; font-size: 15px; white-space: nowrap;
  transition: var(--transition); box-shadow: 0 4px 12px rgba(0, 201, 167, 0.25);
}
.btn-nav-cta:hover { background: var(--amber); color: var(--deep); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255, 180, 84, 0.35); }
.nav-toggler {
  display: none; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(0, 201, 167, 0.18); color: var(--brand); font-size: 18px;
  align-items: center; justify-content: center; transition: var(--transition);
}
.nav-toggler:hover { background: var(--brand); color: var(--deep); }
.nav-toggler.open { background: var(--brand); color: var(--deep); }
.mobile-menu {
  display: none; margin-top: 14px; padding: 16px 8px 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.mobile-menu.active { display: block; }
.mobile-menu li { margin-bottom: 6px; }
.mobile-menu a {
  display: flex; align-items: center; gap: 10px;
  color: rgba(242, 247, 246, 0.88); font-size: 15px; font-weight: 500;
  padding: 12px 14px; border-radius: 14px; transition: var(--transition);
}
.mobile-menu a:hover, .mobile-menu a.active { background: rgba(0, 201, 167, 0.14); color: var(--brand); }
.btn-modal-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--brand); color: var(--deep); border-radius: 999px;
  padding: 12px 20px; font-weight: 700; font-size: 15px; transition: var(--transition);
}
.btn-modal-submit:hover { background: var(--amber); transform: translateY(-2px); }
@media (max-width: 991px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggler { display: flex; }
  .site-nav { border-radius: 28px; padding: 12px 18px; }
  .logo-text { font-size: 18px; }
}
@media (min-width: 992px) {
  .mobile-menu { display: none !important; }
}

/* ========== 面包屑 ========== */
.page-breadcrumb { padding: 110px 0 0; background: var(--bg); }
.breadcrumb-box { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.breadcrumb-box a { color: var(--text-sub); font-weight: 500; }
.breadcrumb-box a:hover { color: var(--brand); }
.breadcrumb-box .bc-sep { color: #C0C9C6; margin: 0 2px; }
.breadcrumb-box .bc-current { color: var(--text-muted); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ========== 文章头版 ========== */
.article-header { background: var(--bg); padding: 36px 0 30px; }
.article-header-inner { max-width: 780px; margin: 0 auto; }
.article-cat-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0, 201, 167, 0.12); color: var(--brand-dark); font-size: 13px; font-weight: 600;
  padding: 5px 16px; border-radius: 999px; margin-bottom: 16px;
}
.article-header h1 {
  font-size: clamp(30px, 4.2vw, 42px); font-weight: 800; line-height: 1.25;
  color: var(--text); margin: 0 0 18px; letter-spacing: 0.01em;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.article-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--brand); font-size: 15px; }
.article-head-image-wrap { max-width: 1200px; margin: 28px auto 0; }
.article-head-img {
  width: 100%; height: clamp(260px, 36vw, 460px); object-fit: cover;
  border-radius: 18px; box-shadow: var(--shadow-card);
}
.article-head-img.has-bg {
  background: linear-gradient(135deg, #DFF5F0 0%, #F6F8F7 60%);
  display: flex; align-items: center; justify-content: center; color: var(--brand);
}
.article-head-img.has-bg i { font-size: 56px; }

/* ========== 正文区 ========== */
.article-body-wrap { background: var(--bg); padding: 0 0 48px; }
.article-body {
  max-width: 780px; margin: 0 auto; background: var(--white);
  border-radius: var(--card-radius); border: 1px solid var(--border);
  padding: clamp(28px, 4vw, 56px) clamp(24px, 4vw, 56px);
  box-shadow: var(--shadow-card);
}
.article-body > *:first-child { margin-top: 0; }
.article-body h2 {
  font-size: clamp(22px, 2.8vw, 27px); font-weight: 700; line-height: 1.4;
  padding-left: 16px; border-left: 4px solid var(--brand);
  margin: 42px 0 20px; color: var(--text);
}
.article-body h3 { font-size: clamp(19px, 2.2vw, 22px); font-weight: 600; margin: 34px 0 16px; color: var(--text); }
.article-body h4 { font-size: 18px; font-weight: 600; margin: 28px 0 14px; color: var(--text); }
.article-body p { font-size: 16px; line-height: 1.95; margin-bottom: 1.6em; color: #2A3438; }
.article-body a { color: var(--brand-dark); font-weight: 500; border-bottom: 1px solid rgba(0, 201, 167, 0.4); }
.article-body a:hover { color: var(--amber-dark); border-bottom-color: var(--amber); }
.article-body ul, .article-body ol { margin: 0 0 1.6em 0; padding: 0; }
.article-body ul li { position: relative; padding-left: 24px; margin-bottom: 10px; line-height: 1.8; }
.article-body ul li::before {
  content: ""; position: absolute; left: 0; top: 0.72em;
  width: 8px; height: 8px; background: var(--brand); border-radius: 50%;
}
.article-body ol { counter-reset: article-ol; }
.article-body ol li { position: relative; padding-left: 30px; margin-bottom: 10px; counter-increment: article-ol; }
.article-body ol li::before {
  content: counter(article-ol); position: absolute; left: 0; top: 0.1em;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0, 201, 167, 0.15); color: var(--brand-dark);
  font-size: 12px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.article-body blockquote {
  background: #E8F6F2; border-left: 3px solid var(--brand);
  border-radius: 12px; padding: 22px 26px; margin: 28px 0;
  color: var(--text); font-size: 16px; line-height: 1.8;
}
.article-body blockquote p { margin-bottom: 0; color: var(--text); }
.article-body img { width: 100%; height: auto; border-radius: 14px; margin: 28px 0 10px; }
.article-body figure { margin: 24px 0; }
.article-body figure img { margin: 0 0 0; }
.article-body figcaption { font-size: 12px; color: var(--text-muted); text-align: center; margin-top: 8px; }
.article-body hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; font-size: 14px; }
.article-body th { background: #F0F5F3; font-weight: 600; }

/* ========== 文章标签 + 分页 ========== */
.article-bottom { max-width: 780px; margin: 0 auto; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.tag-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: #EDF0EF; color: var(--text-sub); font-size: 13px;
  padding: 6px 16px; border-radius: 999px; border: 1px solid transparent; transition: var(--transition);
}
.tag-chip:hover { color: var(--brand-dark); border-color: var(--brand); background: rgba(0, 201, 167, 0.06); }
.article-source-line {
  margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-muted);
}
.article-pager { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.pager-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 1.5px solid var(--border);
  background: var(--white); color: var(--text-sub); font-size: 14px; font-weight: 500;
  transition: var(--transition);
}
.pager-btn:hover { border-color: var(--brand); color: var(--brand-dark); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.pager-btn.disabled { opacity: 0.45; pointer-events: none; }
.pager-home {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-sub); font-size: 14px; font-weight: 500;
}
.pager-home:hover { color: var(--brand); }

/* ========== 相关阅读 ========== */
.related-section { padding: 72px 0 30px; }
.related-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.related-head h2 { font-size: clamp(24px, 3vw, 30px); font-weight: 700; position: relative; padding-left: 16px; }
.related-head h2::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 28px; background: var(--brand); border-radius: 4px;
}
.related-head .related-more { font-size: 14px; color: var(--text-sub); font-weight: 500; }
.related-head .related-more:hover { color: var(--brand); }
.related-grid { margin-top: 8px; }
.related-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--card-radius);
  overflow: hidden; box-shadow: var(--shadow-card); height: 100%;
  transition: var(--transition); display: flex; flex-direction: column;
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.related-card-img {
  width: 100%; height: 150px; object-fit: cover; background: linear-gradient(135deg, #E3F7F1, #F6F8F7);
  display: flex; align-items: center; justify-content: center; color: rgba(0, 201, 167, 0.4); font-size: 36px;
}
.related-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.related-card-tag {
  display: inline-flex; align-self: flex-start; align-items: center;
  background: rgba(0, 201, 167, 0.1); color: var(--brand-dark); font-size: 12px; font-weight: 600;
  padding: 3px 12px; border-radius: 999px; margin-bottom: 10px;
}
.related-card-title { font-size: 16px; font-weight: 600; line-height: 1.55; color: var(--text); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card-title:hover { color: var(--brand-dark); }
.related-card-desc { font-size: 13px; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.related-card-bottom { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-muted); }
.related-card-bottom i { color: var(--brand); }

/* ========== CTA 区块 ========== */
.article-cta { padding: 56px 0 72px; }
.cta-box {
  background: var(--deep); border-radius: 24px; padding: clamp(32px, 5vw, 56px);
  text-align: center; position: relative; overflow: hidden;
}
.cta-box::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px;
  border-radius: 50%; background: radial-gradient(circle, rgba(255, 180, 84, 0.25), transparent 70%);
}
.cta-box::after {
  content: ""; position: absolute; left: -80px; bottom: -80px; width: 240px; height: 240px;
  border-radius: 50%; background: radial-gradient(circle, rgba(0, 201, 167, 0.2), transparent 70%);
}
.cta-box h3 { color: var(--text-light); font-size: clamp(22px, 3vw, 30px); font-weight: 700; margin-bottom: 8px; position: relative; z-index: 1; }
.cta-box p { color: rgba(242, 247, 246, 0.7); font-size: 15px; max-width: 480px; margin: 0 auto 26px; position: relative; z-index: 1; }
.btn-main {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand); color: var(--deep); border-radius: 999px;
  padding: 14px 34px; font-size: 16px; font-weight: 700; position: relative; z-index: 1;
  transition: var(--transition); box-shadow: 0 8px 24px rgba(0, 201, 167, 0.3);
}
.btn-main:hover { background: var(--amber); color: var(--deep); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255, 180, 84, 0.4); }

/* ========== 内容未找到 ========== */
.not-found-wrap { padding: 120px 0 100px; text-align: center; }
.not-found-box {
  background: var(--white); border: 2px dashed var(--border); border-radius: 24px;
  padding: 60px 40px; max-width: 560px; margin: 0 auto;
}
.not-found-box .nfb-icon {
  width: 88px; height: 88px; border-radius: 50%; background: rgba(0, 201, 167, 0.1);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 24px;
  color: var(--brand); font-size: 34px;
}
.not-found-box h2 { font-size: 26px; font-weight: 700; margin-bottom: 10px; }
.not-found-box p { color: var(--text-muted); font-size: 15px; margin-bottom: 24px; }

/* ========== 页脚 ========== */
.site-footer { background: var(--deep); padding: 64px 0 0; color: rgba(242, 247, 246, 0.85); }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-logo .logo-icon { width: 40px; height: 40px; font-size: 16px; }
.footer-logo .logo-text { font-size: 18px; }
.footer-brand-desc { font-size: 14px; line-height: 1.8; color: rgba(242, 247, 246, 0.62); margin: 0 0 16px; max-width: 260px; }
.footer-icp { font-size: 12px; color: rgba(242, 247, 246, 0.4); }
.footer-title { font-size: 16px; font-weight: 600; color: var(--text-light); margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 32px; height: 3px; background: var(--brand); border-radius: 3px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(242, 247, 246, 0.65); display: inline-flex; align-items: center; gap: 8px; }
.footer-links a i { font-size: 5px; color: var(--brand); }
.footer-links a:hover { color: var(--brand); padding-left: 4px; }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14px; color: rgba(242, 247, 246, 0.65); }
.footer-contact i { color: var(--brand); font-size: 16px; width: 18px; text-align: center; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(242, 247, 246, 0.45); margin: 0; }
.footer-bottom a { color: rgba(242, 247, 246, 0.55); }
.footer-bottom a:hover { color: var(--brand); }
@media (max-width: 991px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .site-footer { padding-top: 48px; }
}

/* ========== 表单弹层 ========== */
.modal-lead .modal-dialog { max-width: 480px; }
.modal-lead .modal-content {
  border: none; border-radius: 20px; padding: 12px;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.28);
}
.modal-lead .modal-header { border-bottom: none; padding: 10px 14px 0; }
.modal-lead .modal-title { font-size: 24px; font-weight: 700; color: var(--text); }
.modal-lead .btn-close-custom {
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--text-sub); font-size: 18px; transition: var(--transition); border: none; background: #F0F3F2;
}
.modal-lead .btn-close-custom:hover { background: #E2E8E6; color: var(--text); }
.modal-lead .modal-body { padding: 8px 20px 24px; }
.form-label-custom { font-size: 13px; font-weight: 500; color: var(--text-sub); margin-bottom: 6px; display: block; }
.form-control-custom, .form-select-custom {
  width: 100%; height: 48px; border-radius: 12px; border: 1px solid #DCDEE3;
  padding: 0 16px; font-size: 15px; background: #F9FBFA; color: var(--text);
  transition: var(--transition); appearance: auto;
}
.form-control-custom:focus, .form-select-custom:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(0, 201, 167, 0.15);
  background: var(--white);
}
.form-control-custom::placeholder { color: #AFBBBB; }
.btn-lead-submit {
  width: 100%; height: 52px; border-radius: 999px; border: none;
  background: var(--brand); color: var(--deep); font-size: 16px; font-weight: 700;
  transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-lead-submit:hover { background: var(--amber); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255, 180, 84, 0.35); }
.privacy-note {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 12px; color: var(--text-muted); margin-top: 14px;
}
.privacy-note i { color: var(--brand); font-size: 14px; }
.lead-success {
  text-align: center; padding: 40px 10px;
}
.lead-success .success-icon {
  width: 72px; height: 72px; border-radius: 50%; background: rgba(52, 211, 153, 0.12);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
  color: var(--success); font-size: 32px;
}
.lead-success h4 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.lead-success p { font-size: 14px; color: var(--text-muted); }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .page-breadcrumb { padding-top: 96px; }
  .article-header { padding: 24px 0 20px; }
  .article-body { padding: 26px 20px; }
  .article-body p { font-size: 15.5px; line-height: 1.85; }
  .article-pager { flex-direction: column; align-items: stretch; }
  .pager-btn { justify-content: center; }
  .pager-home { justify-content: center; }
  .related-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cta-box { padding: 30px 20px; }
  .cta-box p { font-size: 14px; }
  .footer-main { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  .site-nav { top: 10px; width: calc(100% - 20px); border-radius: 22px; padding: 10px 14px; }
  .logo-icon { width: 36px; height: 36px; font-size: 15px; }
  .logo-text { font-size: 17px; }
  .logo-sub { font-size: 9px; }
  .page-breadcrumb { padding-top: 84px; }
  .article-header h1 { font-size: 28px; }
  .article-meta { gap: 10px; }
  .article-head-img { height: 220px; }
  .related-section { padding-top: 48px; }
  .article-cta { padding-bottom: 48px; }
  .modal-lead .modal-dialog { margin: 0.5rem 16px; }
}

/* roulang page: category3 */
:root{
            --brand:#00C9A7;
            --brand-dark:#00A68A;
            --accent:#FFB454;
            --accent-dark:#E29B3D;
            --dark:#0B1B1E;
            --dark-soft:#12292E;
            --light:#F6F8F7;
            --white:#FFFFFF;
            --border:#E2E8E6;
            --text-main:#1B2327;
            --text-secondary:#5C6E72;
            --text-muted:#8A9A9E;
            --on-dark:#F2F7F6;
            --radius-card:18px;
            --radius-btn:999px;
            --radius-input:12px;
            --shadow-card:0 4px 16px rgba(11,27,30,.06);
            --shadow-hover:0 12px 28px rgba(11,27,30,.14);
            --shadow-nav:0 8px 32px rgba(0,0,0,.18);
            --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
            --font-num:"DIN Alternate","Inter","Noto Sans SC",sans-serif;
            --font-brand:"Inter","Poppins","Noto Sans SC",sans-serif;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            font-family:var(--font-cn);
            background:var(--light);
            color:var(--text-main);
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        a{text-decoration:none;color:inherit;transition:color .25s}
        img{max-width:100%;display:block}
        button{font-family:inherit}
        .container{max-width:1200px;padding-left:16px;padding-right:16px}

        /* ===== 导航 ===== */
        .site-nav{
            position:fixed;top:14px;left:50%;transform:translateX(-50%);
            z-index:1080;width:calc(100% - 32px);max-width:1200px;
            background:rgba(11,27,30,.78);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
            border-radius:56px;padding:10px 18px;box-shadow:var(--shadow-nav);
            transition:background .35s,box-shadow .35s;
        }
        .site-nav.scrolled{background:rgba(11,27,30,.96)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
        .logo-area{display:flex;align-items:center;gap:10px;min-width:0}
        .logo-icon{
            width:40px;height:40px;border-radius:50%;flex:0 0 40px;
            background:linear-gradient(135deg,var(--brand),var(--accent));
            display:flex;align-items:center;justify-content:center;color:var(--dark);font-size:17px;
        }
        .logo-text{font-size:19px;font-weight:800;color:var(--on-dark);letter-spacing:.01em;white-space:nowrap;line-height:1.2}
        .logo-text span{color:var(--brand)}
        .logo-sub{display:block;font-family:var(--font-brand);font-size:9px;letter-spacing:.35em;color:rgba(255,255,255,.5);text-transform:uppercase}
        .nav-links{list-style:none;display:flex;align-items:center;gap:2px;margin:0;padding:0}
        .nav-links a{
            position:relative;display:block;padding:9px 14px;border-radius:28px;
            font-size:15px;font-weight:500;color:rgba(255,255,255,.82);
            transition:background .25s,color .25s;white-space:nowrap;
        }
        .nav-links a:hover{background:rgba(255,255,255,.14);color:var(--brand)}
        .nav-links a.active{color:var(--brand)}
        .nav-links a.active::after{
            content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
            width:20px;height:4px;border-radius:4px;background:var(--brand);
        }
        .nav-cta{margin-left:auto;display:flex;align-items:center}
        .btn-nav-cta,.btn-modal-submit{
            border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;
            background:var(--brand);color:var(--dark);font-weight:700;font-size:14px;
            border-radius:var(--radius-btn);padding:10px 22px;transition:all .3s;
        }
        .btn-nav-cta:hover,.btn-modal-submit:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,180,84,.35)}
        .nav-toggler{
            display:none;background:none;border:1px solid rgba(255,255,255,.35);
            color:var(--on-dark);width:44px;height:44px;border-radius:50%;font-size:18px;cursor:pointer;
            align-items:center;justify-content:center;transition:background .25s;
        }
        .nav-toggler:hover{background:rgba(255,255,255,.12)}
        .mobile-menu{
            display:none;list-style:none;padding:14px 8px 8px;margin:10px 4px 0 0;
            background:rgba(11,27,30,.97);border-radius:22px;flex-direction:column;gap:4px;
        }
        .mobile-menu.show{display:flex}
        .mobile-menu a{
            display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:14px;
            font-size:15px;font-weight:500;color:rgba(255,255,255,.85);transition:all .25s;
        }
        .mobile-menu a:hover,.mobile-menu a.active{background:rgba(0,201,167,.14);color:var(--brand)}
        .mobile-menu i{width:20px;text-align:center;color:var(--brand)}

        /* ===== 通用区块 ===== */
        .section-pad{padding:96px 0}
        .section-head{max-width:720px;margin:0 auto 46px;text-align:center}
        .section-tag{
            display:inline-flex;align-items:center;gap:6px;font-family:var(--font-brand);
            font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand);
            background:rgba(0,201,167,.1);border-radius:999px;padding:5px 14px;margin-bottom:14px;
        }
        .section-head h2{font-size:clamp(26px,3.6vw,38px);font-weight:700;line-height:1.25;letter-spacing:.01em;margin-bottom:14px}
        .section-head p{font-size:15px;color:var(--text-secondary);line-height:1.8;margin:0}
        .btn-primary-custom,.btn-outline-custom{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border-radius:var(--radius-btn);padding:13px 30px;font-size:15px;font-weight:700;
            border:none;cursor:pointer;transition:all .3s;text-decoration:none;
        }
        .btn-primary-custom{background:var(--brand);color:var(--dark);box-shadow:0 6px 16px rgba(0,201,167,.3)}
        .btn-primary-custom:hover{background:var(--accent);color:var(--dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,180,84,.35)}
        .btn-outline-custom{
            background:transparent;color:var(--dark);border:1.5px solid rgba(11,27,30,.35);font-weight:600;
        }
        .btn-outline-custom:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
        .btn-outline-light{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);
            padding:13px 30px;font-size:15px;font-weight:600;background:transparent;color:var(--on-dark);
            border:1.5px solid rgba(255,255,255,.55);transition:all .3s;cursor:pointer;
        }
        .btn-outline-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

        /* ===== 分类页Hero ===== */
        .cat-hero{
            position:relative;padding:172px 0 76px;overflow:hidden;
            background:
                radial-gradient(ellipse at 18% 35%,rgba(0,201,167,.16),rgba(246,248,247,.3) 42%,transparent 70%),
                linear-gradient(180deg,#EFF5F2 0%,var(--light) 72%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat var(--light);
        }
        .cat-hero::after{
            content:"";position:absolute;inset:0;pointer-events:none;
            background:radial-gradient(ellipse at 80% 20%,rgba(255,180,84,.12),transparent 55%);
        }
        .cat-hero .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px}
        .breadcrumb-nav{
            display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:20px;
        }
        .breadcrumb-nav a{color:var(--text-secondary);transition:color .25s}
        .breadcrumb-nav a:hover{color:var(--brand)}
        .breadcrumb-nav .sep{color:#C5D0CB}
        .breadcrumb-nav .current{color:var(--brand);font-weight:600}
        .cat-hero h1{
            font-size:clamp(34px,5vw,52px);font-weight:800;line-height:1.15;
            color:var(--text-main);letter-spacing:.01em;margin-bottom:16px;
        }
        .cat-hero .lead{max-width:560px;font-size:17px;line-height:1.8;color:var(--text-secondary);margin-bottom:30px}
        .cat-hero-btns{display:flex;gap:14px;flex-wrap:wrap}
        .cat-hero-visual{flex:0 0 340px;max-width:340px;position:relative}
        .hero-orbit{position:relative;width:300px;height:300px;margin:0 auto}
        .hero-orbit .ring{
            position:absolute;border-radius:50%;border:1.5px dashed rgba(0,201,167,.45);
            animation:spin 24s linear infinite;
        }
        .hero-orbit .ring.r1{inset:0}
        .hero-orbit .ring.r2{inset:32px;border-color:rgba(255,180,84,.4);animation-direction:reverse;animation-duration:18s}
        .hero-orbit .ring.r3{inset:64px;border-color:rgba(11,27,30,.12);animation-duration:14s;border-style:dotted}
        .hero-orbit .core{
            position:absolute;inset:96px;border-radius:50%;
            background:linear-gradient(145deg,#FFFFFF,#E4F5EF);box-shadow:0 20px 50px rgba(11,27,30,.16);
            display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:56px;
        }
        @keyframes spin{to{transform:rotate(360deg)}}
        @media (max-width:991px){
            .cat-hero .container{flex-direction:column;text-align:center}
            .cat-hero .lead{margin-left:auto;margin-right:auto}
            .cat-hero-btns{justify-content:center}
            .hero-orbit{width:230px;height:230px}
            .hero-orbit .core{inset:72px}
        }

        /* ===== 服务承诺卡片 ===== */
        .promise-section{background:var(--white);padding:96px 0}
        .promise-card{
            height:100%;background:var(--white);border:1px solid var(--border);
            border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
            transition:transform .3s,box-shadow .3s,border-color .3s;display:flex;flex-direction:column;
        }
        .promise-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,201,167,.55)}
        .promise-card .card-img-top{aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,var(--border),#F1F6F4);}
        .promise-card .card-img-top img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
        .promise-card:hover .card-img-top img{transform:scale(1.05)}
        .promise-card .card-body{padding:26px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
        .promise-card .card-badge{
            display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
            background:rgba(0,201,167,.1);color:var(--brand);font-size:12px;font-weight:600;
            border-radius:999px;padding:4px 12px;
        }
        .promise-card h3{font-size:20px;font-weight:600;margin:0;color:var(--text-main)}
        .promise-card p{font-size:14.5px;line-height:1.75;color:var(--text-secondary);margin:0;flex:1}
        .promise-card .card-link{
            display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
            transition:gap .25s;margin-top:4px;background:none;border:none;padding:0;cursor:pointer;
        }
        .promise-card .card-link:hover{gap:12px;color:var(--accent-dark)}

        /* ===== 售后流程 ===== */
        .flow-section{position:relative;background:var(--dark);color:var(--on-dark);padding:96px 0;overflow:hidden}
        .flow-section::before{
            content:"";position:absolute;top:-120px;right:-80px;width:360px;height:360px;border-radius:50%;
            background:radial-gradient(circle,rgba(0,201,167,.2),transparent 65%);
        }
        .flow-section .section-tag{background:rgba(0,201,167,.16);color:var(--brand)}
        .flow-section .section-head h2{color:var(--on-dark)}
        .flow-section .section-head p{color:#9EB6AE}
        .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:20px;position:relative;z-index:2}
        .flow-step{
            background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
            border-radius:var(--radius-card);padding:32px 24px;text-align:center;
            transition:background .3s,transform .3s,border-color .3s;position:relative;
        }
        .flow-step:hover{background:rgba(0,201,167,.08);border-color:rgba(0,201,167,.38);transform:translateY(-4px)}
        .flow-step .step-num{
            font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);
            margin-bottom:14px;display:block;
        }
        .flow-step .step-icon{
            width:60px;height:60px;border-radius:50%;margin:0 auto 18px;
            background:linear-gradient(135deg,var(--brand),rgba(0,201,167,.45));
            display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--dark);
            box-shadow:0 8px 24px rgba(0,201,167,.25);
        }
        .flow-step h3{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--on-dark)}
        .flow-step p{font-size:13.5px;color:#9EB6AE;margin:0;line-height:1.7}
        @media (max-width:991px){.flow-grid{grid-template-columns:repeat(2,1fr)}}
        @media (max-width:575px){.flow-grid{grid-template-columns:1fr}}

        /* ===== 图文区 ===== */
        .story-section{background:var(--light);padding:96px 0}
        .story-wrap{
            display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
            background:var(--white);border:1px solid var(--border);border-radius:24px;
            box-shadow:var(--shadow-card);overflow:hidden;
        }
        .story-img{min-height:360px;position:relative}
        .story-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
        .story-img::after{
            content:"\f3ed";font-family:"Font Awesome 6 Free";font-weight:900;font-size:44px;color:rgba(255,255,255,.88);
            position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);opacity:0;transition:opacity .3s;
        }
        .story-img::before{
            content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,201,167,.16),rgba(255,180,84,.1));
        }
        .story-text{padding:48px 52px 48px 0}
        .story-text .section-tag{margin-bottom:10px}
        .story-text h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;margin-bottom:18px}
        .story-text h2 span{color:var(--brand)}
        .story-text p{font-size:15.5px;color:var(--text-secondary);line-height:1.85;margin-bottom:24px}
        .story-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
        .story-list li{
            display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-main);font-weight:500;
        }
        .story-list li i{color:var(--brand);font-size:14px;line-height:1.9;flex:0 0 auto;margin-top:4px}
        @media (max-width:991px){
            .story-wrap{grid-template-columns:1fr}
            .story-text{padding:36px 28px 40px}
            .story-img{min-height:280px;position:relative}
            .story-img img{position:relative;height:280px}
        }

        /* ===== FAQ ===== */
        .faq-section{background:var(--white);padding:96px 0}
        .faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
        .faq-item{
            background:var(--light);border:1px solid var(--border);border-radius:18px;
            padding:22px 28px;cursor:pointer;transition:border-color .25s,box-shadow .25s;
        }
        .faq-item:hover{border-color:rgba(0,201,167,.5)}
        .faq-item.open{background:rgba(0,201,167,.05);box-shadow:var(--shadow-card)}
        .faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16.5px;font-weight:600;color:var(--text-main)}
        .faq-q .faq-icon{
            width:32px;height:32px;flex:0 0 32px;border-radius:50%;background:rgba(0,201,167,.12);
            display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--brand);
            transition:transform .3s,background .3s,color .3s;
        }
        .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
        .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;font-size:15px;color:var(--text-secondary);line-height:1.8}
        .faq-item.open .faq-a{max-height:320px;padding-top:12px}

        /* ===== CTA条 ===== */
        .cta-banner{
            position:relative;background:var(--dark);padding:90px 0;text-align:center;overflow:hidden;
        }
        .cta-banner::before{
            content:"";position:absolute;inset:0;
            background:
                radial-gradient(circle at 20% 40%,rgba(0,201,167,.24),transparent 48%),
                radial-gradient(circle at 80% 60%,rgba(255,180,84,.18),transparent 45%),
                url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
        }
        .cta-banner .container{position:relative;z-index:2}
        .cta-banner h2{font-size:clamp(28px,4vw,42px);font-weight:800;color:#fff;margin-bottom:14px}
        .cta-banner p{font-size:16px;color:#9EB6AE;margin-bottom:30px}
        .cta-banner .btn-primary-custom{font-size:16px;padding:15px 38px}

        /* ===== 页脚 ===== */
        .site-footer{background:var(--dark);color:var(--on-dark);padding:70px 0 0}
        .footer-main{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:38px;padding-bottom:44px}
        .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
        .footer-logo .logo-icon{width:42px;height:42px;flex:0 0 42px}
        .footer-logo .logo-text{font-size:20px;color:#fff}
        .footer-brand-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.55);margin-bottom:18px;max-width:260px}
        .footer-icp{display:block;font-size:12px;color:rgba(255,255,255,.38)}
        .footer-title{font-size:16px;font-weight:700;margin-bottom:18px;color:#fff;position:relative;padding-bottom:10px}
        .footer-title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;border-radius:4px;background:var(--brand)}
        .footer-links,.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
        .footer-links a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.55);transition:color .25s}
        .footer-links a i{font-size:5px;color:var(--brand)}
        .footer-links a:hover{color:var(--brand)}
        .footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.55);line-height:1.6}
        .footer-contact li i{color:var(--brand);margin-top:5px;width:18px;text-align:center}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
            display:flex;align-items:center;justify-content:center;gap:6px;
            font-size:13px;color:rgba(255,255,255,.4);flex-wrap:wrap;
        }
        .footer-bottom a{color:rgba(255,255,255,.55)}
        .footer-bottom a:hover{color:var(--brand)}

        /* ===== 弹层 ===== */
        .modal-content{
            border:none;border-radius:20px;box-shadow:0 32px 64px rgba(0,0,0,.28);padding:32px 28px;
        }
        .modal-header{border:none;padding:0 0 12px;position:relative}
        .modal-header .modal-title{font-size:22px;font-weight:700;color:var(--text-main)}
        .modal-header .btn-close{
            width:40px;height:40px;border-radius:50%;background:#F1F4F3;
            position:relative;top:0;right:0;margin:0;padding:0;opacity:1;transition:background .25s;
            display:flex;align-items:center;justify-content:center;font-size:14px;
        }
        .modal-header .btn-close:hover{background:#E4E9E7}
        .modal-body{padding:8px 0 0}
        .form-label{font-size:13px;font-weight:500;color:var(--text-main);margin-bottom:6px}
        .form-control,.form-select{
            height:48px;border-radius:var(--radius-input);border:1px solid #DCDEE3;
            font-size:14.5px;color:var(--text-main);transition:border-color .25s,box-shadow .25s;
            background:var(--white);padding:0 16px;
        }
        .form-control:focus,.form-select:focus{
            border-color:var(--brand);box-shadow:0 0 0 4px rgba(0,201,167,.15);outline:none;
        }
        .form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235C6E72'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:18px}
        .modal-submit-btn{
            width:100%;height:50px;border:none;border-radius:var(--radius-btn);
            background:var(--brand);color:var(--dark);font-size:16px;font-weight:700;cursor:pointer;
            margin-top:10px;transition:background .3s,transform .3s;
        }
        .modal-submit-btn:hover{background:var(--accent);transform:translateY(-2px)}
        .privacy-tip{
            display:flex;align-items:center;justify-content:center;gap:7px;
            font-size:12px;color:var(--text-muted);margin-top:14px;text-align:center;
        }
        .privacy-tip i{font-size:14px;color:var(--brand)}

        /* ===== 响应式 ===== */
        @media (max-width:991px){
            .section-pad{padding:72px 0}
            .promise-section,.flow-section,.story-section,.faq-section{padding:72px 0}
            .nav-links,.nav-cta{display:none}
            .nav-toggler{display:flex}
            .nav-inner{flex-wrap:wrap}
            .mobile-menu{width:100%}
            .footer-main{grid-template-columns:1fr 1fr;gap:32px}
        }
        @media (max-width:767px){
            .section-pad{padding:48px 0}
            .promise-section,.flow-section,.story-section,.faq-section{padding:48px 0}
            .cat-hero{padding-top:140px;padding-bottom:50px}
            .hero-orbit{display:none}
            .cat-hero .container{padding:0 16px}
            .cat-hero-btns{flex-direction:column;width:100%}
            .cat-hero-btns .btn-primary-custom,.cat-hero-btns .btn-outline-light{width:100%}
            .footer-main{grid-template-columns:1fr}
            .footer-bottom{flex-direction:column;text-align:center}
            .site-nav{top:8px;border-radius:30px;padding:8px 12px}
            .logo-text{font-size:17px}
            .mobile-menu a{padding:13px 16px}
        }
        @media (max-width:520px){
            .story-text{padding:28px 20px 34px}
            .faq-item{padding:18px 18px}
            .modal-content{padding:24px 18px}
        }

/* roulang page: category2 */
:root {
            --brand: #00C9A7;
            --brand-dark: #00B99A;
            --accent: #FFB454;
            --deep: #0B1B1E;
            --deep-soft: #122A2E;
            --bg: #F6F8F7;
            --card: #FFFFFF;
            --line: #E2E8E6;
            --text: #1B2327;
            --text-sub: #5C6E72;
            --text-weak: #8A9A9E;
            --on-deep: #F2F7F6;
            --radius-card: 18px;
            --radius-input: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(11, 27, 30, .06);
            --shadow-card-hover: 0 12px 28px rgba(11, 27, 30, .14);
            --shadow-nav: 0 8px 32px rgba(0, 0, 0, .18);
            --shadow-modal: 0 32px 64px rgba(0, 0, 0, .28);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Inter", "Noto Sans SC", sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--brand-dark);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--brand);
        }
        button {
            font-family: var(--font-cn);
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ===== 导航 ===== */
        .site-nav {
            position: fixed;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
            width: min(1200px, calc(100vw - 32px));
            z-index: 1050;
            background: rgba(11, 27, 30, .78);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 56px;
            padding: 10px 20px;
            box-shadow: var(--shadow-nav);
            transition: background .3s ease;
        }
        .site-nav.scrolled {
            background: rgba(11, 27, 30, .96);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--deep);
            font-size: 18px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--on-deep);
            letter-spacing: .01em;
            line-height: 1.2;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--brand);
        }
        .logo-sub {
            display: block;
            font-size: 10px;
            letter-spacing: .12em;
            color: rgba(242, 247, 246, .55);
            text-transform: uppercase;
            font-family: "Inter", "Poppins", "Noto Sans SC", sans-serif;
            line-height: 1.1;
        }
        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
        }
        .nav-links a {
            display: block;
            padding: 10px 16px;
            border-radius: 56px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(242, 247, 246, .85);
            text-decoration: none;
            transition: all .25s ease;
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, .12);
            color: var(--brand);
        }
        .nav-links a.active {
            color: var(--brand) !important;
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 4px;
            transform: translateX(-50%);
            width: 18px;
            height: 4px;
            border-radius: 4px;
            background: var(--brand);
        }
        .nav-cta .btn-nav-cta {
            background: var(--brand);
            color: var(--deep);
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .nav-cta .btn-nav-cta:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 180, 84, .3);
        }
        .btn-nav-cta:focus-visible,
        .btn-modal-submit:focus-visible,
        .faq-q:focus-visible,
        .hero-btn:focus-visible {
            outline: 3px solid rgba(0, 201, 167, .45);
            outline-offset: 2px;
        }
        .nav-toggler {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .22);
            color: var(--on-deep);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all .25s ease;
        }
        .nav-toggler:hover {
            border-color: var(--brand);
            color: var(--brand);
        }
        .mobile-menu {
            display: none;
            list-style: none;
            margin: 12px 0 0;
            padding: 16px;
            background: rgba(11, 27, 30, .96);
            border-radius: 24px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }
        @media(max-width:991px) {
            .nav-links,
            .nav-cta {
                display: none !important;
            }
            .nav-toggler {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            padding: 12px 14px;
            color: var(--on-deep);
            text-decoration: none;
            border-radius: 12px;
            font-size: 15px;
            transition: all .2s ease;
        }
        .mobile-menu a:hover {
            background: rgba(0, 201, 167, .1);
            color: var(--brand);
        }
        .mobile-menu a.active {
            color: var(--brand);
            font-weight: 600;
        }
        .mobile-menu .btn-modal-submit {
            background: var(--brand);
            color: var(--deep);
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 20px;
            font-weight: 700;
            font-size: 15px;
            transition: all .25s ease;
        }
        .mobile-menu .btn-modal-submit:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== 分类页 Hero ===== */
        .cat-hero {
            background: linear-gradient(rgba(246, 248, 247, .94), rgba(246, 248, 247, .97)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 140px 0 72px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            right: -140px;
            top: -140px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 201, 167, .12), transparent 70%);
            pointer-events: none;
        }
        .cat-hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }
        .cat-hero-text {
            flex: 1.1;
        }
        .cat-hero-visual {
            flex: 1;
        }
        .hero-line {
            width: 60px;
            height: 4px;
            background: var(--brand);
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 20px;
        }
        .breadcrumb-line {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-line a {
            color: var(--text-weak);
            text-decoration: none;
            transition: color .2s ease;
        }
        .breadcrumb-line a:hover {
            color: var(--brand);
        }
        .breadcrumb-line .sep {
            color: #C3CECE;
        }
        .breadcrumb-line .current {
            color: var(--text-sub);
            font-weight: 500;
        }
        .cat-hero h1 {
            font-size: clamp(34px, 4.6vw, 44px);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text);
            letter-spacing: .01em;
            margin-bottom: 18px;
        }
        .cat-hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-sub);
            max-width: 480px;
            margin-bottom: 32px;
        }
        .hero-btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            border-radius: var(--radius-pill);
            padding: 14px 30px;
            font-size: 15px;
            font-weight: 700;
            transition: all .25s ease;
        }
        .hero-btn.btn-primary-green {
            background: var(--brand);
            color: var(--deep);
        }
        .hero-btn.btn-primary-green:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 180, 84, .3);
        }
        .hero-btn.btn-outline-deep {
            background: transparent;
            color: var(--text);
            border: 1px solid #C3CECE;
        }
        .hero-btn.btn-outline-deep:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
        }
        .cat-hero-visual {
            position: relative;
        }
        .cat-hero-visual img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: var(--shadow-card-hover);
            border: 1px solid var(--line);
        }
        .cat-hero-visual .float-badge {
            position: absolute;
            right: -12px;
            bottom: 24px;
            background: var(--deep);
            color: var(--on-deep);
            border-radius: 14px;
            padding: 14px 18px;
            font-size: 13px;
            box-shadow: var(--shadow-card-hover);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .float-badge i {
            color: var(--brand);
            font-size: 18px;
        }

        /* ===== 通用 section ===== */
        .section-block {
            padding: 84px 0;
        }
        .section-block.bg-white {
            background: #fff;
        }
        .section-block.bg-soft {
            background: var(--bg);
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 44px;
        }
        .section-head h2 {
            font-size: clamp(26px, 3.6vw, 36px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            letter-spacing: .01em;
            margin-bottom: 10px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
        }
        .section-tag {
            display: inline-block;
            background: rgba(0, 201, 167, .1);
            color: var(--brand-dark);
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            padding: 5px 14px;
            margin-bottom: 12px;
            letter-spacing: .02em;
        }

        /* ===== 企业采购方案卡片区 ===== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 201, 167, .5);
        }
        .solution-card .card-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 14px;
            border: 1px solid var(--line);
            background: linear-gradient(145deg, #EDF3F1, #DFE9E6);
        }
        .solution-card .card-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 201, 167, .1);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            margin-top: 16px;
            align-self: flex-start;
            letter-spacing: .02em;
        }
        .solution-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin: 12px 0 8px;
            line-height: 1.4;
        }
        .solution-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }
        .solution-card .card-link {
            background: none;
            border: none;
            padding: 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s ease;
        }
        .solution-card .card-link i {
            transition: transform .25s ease;
        }
        .solution-card:hover .card-link i {
            transform: translateX(4px);
        }

        /* ===== 分类描述区 ===== */
        .cat-intro {
            background: #fff;
            padding: 84px 0;
        }
        .intro-row {
            display: flex;
            align-items: center;
            gap: 56px;
        }
        .intro-text {
            flex: 1;
        }
        .intro-text h2 {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 20px;
        }
        .intro-text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-sub);
            margin-bottom: 16px;
        }
        .intro-text .intro-points {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }
        .intro-text .intro-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 12px;
        }
        .intro-text .intro-points li i {
            color: var(--brand);
            margin-top: 4px;
            font-size: 15px;
            flex-shrink: 0;
        }
        .intro-media {
            flex: 1;
            position: relative;
        }
        .intro-media img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: 18px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card-hover);
            background: linear-gradient(145deg, #EDF3F1, #DFE9E6);
        }

        /* ===== 企业采购流程 ===== */
        .cat-steps {
            background: var(--bg);
            padding: 84px 0;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 201, 167, .4);
        }
        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 201, 167, .1);
            color: var(--brand-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            font-family: var(--font-num);
            margin-bottom: 18px;
            transition: all .3s ease;
        }
        .step-item:hover .step-num {
            background: var(--brand);
            color: var(--deep);
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== 相关服务资讯 ===== */
        .cat-related {
            background: #fff;
            padding: 84px 0;
        }
        .related-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .related-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            transition: all .3s ease;
            text-decoration: none;
        }
        .related-item:hover {
            background: rgba(0, 201, 167, .06);
            border-color: rgba(0, 201, 167, .5);
            transform: translateX(6px);
            box-shadow: var(--shadow-card);
        }
        .related-item img {
            width: 80px;
            height: 80px;
            border-radius: 14px;
            object-fit: cover;
            border: 1px solid var(--line);
            flex-shrink: 0;
            background: linear-gradient(145deg, #EDF3F1, #DFE9E6);
        }
        .related-info {
            flex: 1;
            min-width: 0;
        }
        .related-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color .2s ease;
        }
        .related-item:hover .related-info h3 {
            color: var(--brand-dark);
        }
        .related-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
        }
        .badge-tag {
            background: rgba(0, 201, 167, .1);
            color: var(--brand-dark);
            border-radius: var(--radius-pill);
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 500;
            display: inline-block;
            white-space: nowrap;
        }
        .related-arrow {
            color: var(--text-weak);
            font-size: 16px;
            flex-shrink: 0;
            transition: all .25s ease;
        }
        .related-item:hover .related-arrow {
            color: var(--brand);
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
            padding: 84px 0;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(0, 201, 167, .4);
            box-shadow: var(--shadow-card);
        }
        .faq-q {
            width: 100%;
            background: none;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color .2s ease;
        }
        .faq-q i {
            color: var(--text-weak);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform .3s ease;
        }
        .faq-q[aria-expanded="true"] {
            color: var(--brand-dark);
        }
        .faq-q[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--brand);
        }
        .faq-a {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(rgba(11, 27, 30, .86), rgba(11, 27, 30, .9)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 84px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(26px, 3.6vw, 36px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(242, 247, 246, .8);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .btn-cta-main {
            background: var(--brand);
            color: var(--deep);
            border: none;
            border-radius: var(--radius-pill);
            padding: 15px 40px;
            font-size: 16px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all .25s ease;
        }
        .btn-cta-main:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 180, 84, .3);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--deep);
            color: var(--on-deep);
            padding: 64px 0 0;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 44px;
            padding-bottom: 44px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-logo .logo-text {
            font-size: 20px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: rgba(242, 247, 246, .68);
            line-height: 1.8;
            max-width: 320px;
            margin-bottom: 16px;
        }
        .footer-icp {
            font-size: 13px;
            color: rgba(242, 247, 246, .4);
            display: block;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(242, 247, 246, .68);
            text-decoration: none;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
        }
        .footer-links a i {
            font-size: 6px;
            color: var(--brand);
            opacity: .6;
            transition: opacity .2s ease;
        }
        .footer-links a:hover {
            color: var(--brand);
        }
        .footer-links a:hover i {
            opacity: 1;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 16px;
            font-size: 14px;
            color: rgba(242, 247, 246, .7);
            line-height: 1.6;
        }
        .footer-contact li i {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 201, 167, .12);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 22px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(242, 247, 246, .45);
            margin: 0;
        }
        .footer-bottom a {
            color: rgba(242, 247, 246, .55);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--brand);
        }

        /* ===== 表单弹层 ===== */
        .modal-content {
            border: none;
            border-radius: 20px;
            padding: 32px 28px;
            box-shadow: var(--shadow-modal);
        }
        .modal-header {
            border: none;
            padding: 0 0 8px;
        }
        .modal-header .modal-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
        }
        .modal-close {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: #F0F2F1;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all .2s ease;
        }
        .modal-close:hover {
            background: #E3E8E6;
            color: var(--brand-dark);
        }
        .modal-body {
            padding: 12px 0 0;
        }
        .form-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-control {
            height: 48px;
            border-radius: var(--radius-input);
            border: 1px solid #DCDEE3;
            padding: 0 14px;
            font-size: 14px;
            color: var(--text);
            background: #fff;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .form-control:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(0, 201, 167, .15);
        }
        .form-select {
            height: 48px;
            border-radius: var(--radius-input);
            border: 1px solid #DCDEE3;
            padding: 0 14px;
            font-size: 14px;
            color: var(--text);
            background-color: #fff;
        }
        .form-select:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(0, 201, 167, .15);
        }
        .btn-modal-submit {
            width: 100%;
            height: 48px;
            border-radius: var(--radius-pill);
            background: var(--brand);
            color: var(--deep);
            font-weight: 700;
            font-size: 15px;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all .25s ease;
        }
        .btn-modal-submit:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }
        .privacy-note {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 14px;
        }
        .privacy-note i {
            color: var(--brand);
        }

        /* ===== 响应式 ===== */
        @media(max-width:991px) {
            .section-block,
            .cat-intro,
            .cat-steps,
            .cat-related,
            .faq-section,
            .cta-section {
                padding: 72px 0;
            }
            .cat-hero {
                padding: 120px 0 60px;
            }
            .cat-hero-inner {
                flex-direction: column;
                gap: 36px;
            }
            .cat-hero-text {
                text-align: left;
                max-width: 100%;
            }
            .cat-hero-visual {
                max-width: 520px;
                width: 100%;
                margin: 0 auto;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-row {
                flex-direction: column;
                gap: 40px;
            }
            .intro-media {
                width: 100%;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-main {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px;
            }
        }
        @media(max-width:767px) {
            .section-block,
            .cat-intro,
            .cat-steps,
            .cat-related,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }
            .cat-hero {
                padding: 104px 0 48px;
            }
            .cat-hero h1 {
                font-size: 34px;
            }
            .cat-hero-sub {
                font-size: 15px;
            }
            .hero-btn-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-btn {
                justify-content: center;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .related-item img {
                width: 64px;
                height: 64px;
            }
            .related-info h3 {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .modal-content {
                border-radius: 18px;
                padding: 24px 18px;
            }
            .float-badge {
                display: none !important;
            }
        }
        @media(max-width:520px) {
            .logo-text {
                font-size: 16px;
            }
            .logo-sub {
                font-size: 9px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .site-nav {
                padding: 8px 14px;
            }
            .footer-contact li {
                font-size: 13px;
            }
        }