/* roulang page: index */
:root {
  --bg-body:#F4F7FA;
  --bg-soft:#E9EFF5;
  --surface:#FFFFFF;
  --ink-strong:#0A1E2E;
  --ink-body:#2E4255;
  --ink-muted:#60798C;
  --primary:#1968C8;
  --primary-deep:#0B3E86;
  --primary-soft:#E3EEF9;
  --gold:#D69A2D;
  --gold-deep:#A8751A;
  --neon-cyan:#19E6C4;
  --nav-bg:#0B1622;
  --line-light:#D8E2EC;
  --line-dark:#243A4E;
  --radius-card:16px;
  --radius-inner:12px;
  --radius-btn:10px;
  --shadow-sm:0 8px 24px rgba(10,30,46,0.06);
  --shadow-md:0 14px 32px rgba(10,30,46,0.09);
  --shadow-hover:0 18px 36px rgba(10,30,46,0.11);
  --space-section:96px;
  --font-body:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;border:0}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{
  font-family:var(--font-body);
  background:var(--bg-body);
  color:var(--ink-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
p,h1,h2,h3,h4,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
section[id]{scroll-margin-top:100px}
::selection{background:var(--neon-cyan);color:#06222e}
:focus-visible{outline:3px solid rgba(25,230,196,.5);outline-offset:2px;border-radius:4px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 28px;border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;transition:transform .22s ease, box-shadow .22s ease, filter .22s ease, background .22s ease;
  white-space:nowrap;line-height:1;
}
.btn-main{
  color:#1B1603;background:linear-gradient(135deg,#E5B54A 0%,var(--gold) 45%,var(--gold-deep) 100%);
  box-shadow:0 8px 24px rgba(214,154,45,.28);
}
.btn-main:hover{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(214,154,45,.19),0 12px 30px rgba(214,154,45,.3);transform:translateY(-2px)}
.btn-ghost{
  color:var(--primary);background:transparent;border:2px solid var(--primary);
  box-shadow:none;
}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-neon{
  color:#04201D;background:linear-gradient(135deg,#54F2D8,var(--neon-cyan));
  box-shadow:0 0 0 3px rgba(25,230,196,.15),0 0 18px rgba(25,230,196,.35);
}
.btn-neon:hover{filter:brightness(1.05);box-shadow:0 0 0 5px rgba(25,230,196,.23),0 0 28px rgba(25,230,196,.48);transform:translateY(-1px)}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 10px;
  background:var(--primary-soft);color:var(--primary-deep);border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-gold{background:#F7ECD0;color:#795A16}
.tag-dark{background:rgba(255,255,255,.11);color:#BFEAFE;border:1px solid rgba(255,255,255,.13)}

/* 通用 Section */
.sec-block{padding:96px 0}
.section-head{max-width:760px;margin-bottom:44px}
.kicker{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
  font-size:13px;letter-spacing:.08em;color:var(--primary);font-weight:700;
}
.kicker::before{content:"";width:28px;height:2px;background:var(--gold);display:inline-block;border-radius:2px}
.section-head h2{
  font-size:clamp(28px,3.2vw,38px);line-height:1.3;color:var(--ink-strong);font-weight:700;
  margin:0 0 14px;letter-spacing:-.02em;
}
.section-head .lead{font-size:16px;color:var(--ink-muted);max-width:650px;line-height:1.85}

/* 顶部导航霓虹线 */
.neon-border{height:3px;background:linear-gradient(90deg,var(--neon-cyan),transparent 40%,transparent 62%,var(--gold));flex:none}

/* Header */
.site-header{position:relative;z-index:100;background:var(--nav-bg);box-shadow:0 10px 30px rgba(0,0,0,.16)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;height:80px;gap:20px;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0;color:#fff;text-decoration:none}
.brand-glyph{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:rgba(25,230,196,.08);border:1px solid rgba(25,230,196,.32);
  display:flex;align-items:center;justify-content:center;
}
.brand-glyph i{width:8px;height:8px;background:var(--neon-cyan);border-radius:50%;box-shadow:0 0 10px var(--neon-cyan);display:block}
.brand-text{font-size:19px;font-weight:700;color:#fff;letter-spacing:.01em;white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:400;color:#7E9BB5;letter-spacing:.06em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:7px}
.nav-links a{
  display:inline-flex;align-items:center;gap:5px;height:44px;padding:0 14px;border-radius:9px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.7);transition:color .22s ease,background .22s ease,box-shadow .22s ease;
}
.nav-links a:hover{color:#fff;text-shadow:0 0 12px rgba(25,230,196,.5)}
.nav-links a.is-active{color:var(--neon-cyan);text-shadow:0 0 12px rgba(25,230,196,.45);box-shadow:inset 0 -2px 0 var(--neon-cyan)}
.header-cta{display:flex;align-items:center;gap:12px}
.burger{
  display:none;width:42px;height:42px;border-radius:9px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:transparent;
}
.burger span{width:20px;height:2px;background:var(--neon-cyan);display:block;transition:transform .2s ease,opacity .2s ease}
.m-nav{position:relative}

@media(max-width:1024px){
  .header-inner{height:74px}
  .header-cta .btn-neon{padding:0 18px}
}
@media(max-width:768px){
  .burger{display:inline-flex}
  .nav-links{
    position:absolute;top:calc(100% + 3px);left:0;right:0;background:var(--nav-bg);
    flex-direction:column;align-items:stretch;padding:12px 20px 24px;gap:4px;
    border-bottom:1px solid var(--line-dark);box-shadow:0 18px 40px rgba(0,0,0,.45);
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  body.nav-open .nav-links{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav-links a{height:46px;justify-content:flex-start;padding:0 14px;border-bottom:1px solid rgba(255,255,255,.04)}
  .nav-links a.is-active{box-shadow:inset 3px 0 0 var(--neon-cyan)}
  .header-cta .btn-neon{display:none}
}

/* Hero */
.hero{
  position:relative;background:linear-gradient(160deg,#F9FCFE 0%,#F0F5FA 55%,#E4EEF7 100%);
  overflow:hidden;padding:80px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(25,104,200,.16) 1px,transparent 1px);background-size:26px 26px;opacity:.4;
  -webkit-mask-image:linear-gradient(to right,transparent,#fff 80%,#fff);mask-image:linear-gradient(to right,transparent,#fff 80%,#fff);
}
.hero-inner{display:grid;grid-template-columns:6fr 6fr;align-items:center;gap:64px;position:relative;z-index:2}
.hero-cop{max-width:600px}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;background:rgba(25,104,200,.08);border:1px solid rgba(25,104,200,.17);
  color:var(--primary-deep);padding:5px 13px 5px 9px;border-radius:999px;font-size:12px;font-weight:600;margin-bottom:22px;
}
.hero-badge::before{width:7px;height:7px;border-radius:50%;background:var(--neon-cyan);box-shadow:0 0 8px var(--neon-cyan);content:""}
.hero h1{
  font-size:clamp(38px,4.4vw,56px);line-height:1.24;color:var(--ink-strong);font-weight:800;
  margin:0 0 18px;letter-spacing:-.03em;text-wrap:balance;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-muted);margin:0 0 34px;max-width:540px}
.hero-lead strong{color:var(--primary-deep);font-weight:600}
.hero-btns{display:flex;flex-wrap:wrap;gap:15px}
.hero-points{
  margin-top:40px;display:flex;flex-wrap:wrap;gap:10px 22px;padding-top:24px;border-top:1px solid var(--line-light);
}
.hero-points span{font-size:13px;color:var(--ink-muted);display:inline-flex;align-items:center;gap:6px}
.hero-points span::before{content:"·";color:var(--gold);font-size:20px;line-height:1;font-weight:800}

.hero-visual{position:relative}
.hero-img-frame{
  position:relative;border-radius:22px;overflow:hidden;box-shadow:0 26px 70px rgba(10,30,46,.18);background:#CDE0EF;
  transform:rotate(1.2deg);border:1px solid rgba(255,255,255,.7);
}
.hero-img-frame::before{content:"";display:block;position:absolute;inset:0;background:linear-gradient(to top,rgba(10,30,46,.24),transparent 45%);z-index:2;pointer-events:none}
.hero-img-frame img{width:100%;height:340px;object-fit:cover}
.hero-img-label{
  position:absolute;left:14px;bottom:14px;z-index:3;background:rgba(11,22,34,.78);color:#EAF7FF;
  padding:8px 15px;border-radius:10px;font-size:13px;backdrop-filter:blur(6px);
  border-left:3px solid var(--neon-cyan);letter-spacing:.02em;
}
.hero-gold-card{
  position:absolute;right:-14px;top:30px;width:138px;padding:12px 14px 12px 12px;
  background:linear-gradient(130deg,#F3D37B,var(--gold) 85%);border-radius:14px;
  color:#1B1603;font-size:13px;font-weight:700;box-shadow:0 14px 28px rgba(214,154,45,.3);transform:rotate(4deg);z-index:4;
  display:flex;align-items:center;gap:8px;
}
.hero-gold-card i{width:20px;height:20px;flex:none;border:2px solid #4A3B18;border-radius:50%;display:inline-block;position:relative}
.hero-gold-card i::after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:#4A3B18;top:4px;left:4px}
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:42px;padding-top:12px}
  .hero-cop{max-width:760px}
  .hero-img-frame img{height:300px}
  .hero-gold-card{right:10px;top:-10px}
}
@media(max-width:520px){
  .hero{padding:52px 0}
  .hero h1{font-size:34px}
  .hero-line br{display:none}
  .hero-btns .btn{width:100%;max-width:340px}
}

/* 痛点区块 */
.pain-block{background:var(--bg-body);padding:var(--space-section) 0}
.pain-grid{display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:start}
.pain-title h2{font-size:clamp(28px,3.2vw,40px);line-height:1.4;color:var(--ink-strong);letter-spacing:-.02em;margin-bottom:18px;font-weight:800}
.pain-title p{color:var(--ink-muted);font-size:15px;line-height:1.85;max-width:320px}
.pain-cards{display:grid;gap:16px;grid-template-columns:1fr}
.pain-card{
  background:#fff;border-radius:var(--radius-card);padding:28px 28px 24px;box-shadow:var(--shadow-sm);
  border-left:1px solid #EDF2F7;border-top:1px solid #EDF2F7;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;display:grid;grid-template-columns:58px 1fr;gap:10px;
}
.pain-card::before{content:"";position:absolute;left:30px;right:30px;bottom:0;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:0;transition:opacity .3s}
.pain-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:var(--primary-soft)}
.pain-card:hover::before{opacity:1}
.pain-num{font-size:15px;font-weight:800;color:var(--primary);letter-spacing:.02em;padding-top:4px;display:flex;flex-direction:column;gap:2px}
.pain-num small{font-size:11px;color:var(--ink-muted);font-weight:500;letter-spacing:.05em}
.pain-copy h3{font-size:19px;font-weight:700;color:var(--ink-strong);margin:3px 0 9px}
.pain-copy p{font-size:14px;line-height:1.8;color:var(--ink-muted)}
.pain-copy p + p{margin-top:7px;padding-top:7px;border-top:1px dashed var(--line-light);color:#48657A}
@media(max-width:1024px){
  .pain-grid{grid-template-columns:1fr;gap:38px}
}
@media(max-width:520px){
  .pain-card{grid-template-columns:44px 1fr;padding:22px}
  .pain-card .pain-num{font-size:14px}
}

/* 方案板块 */
.service-area{background:var(--surface);padding:var(--space-section) 0;position:relative;overflow:hidden}
.service-area::after{content:"";position:absolute;left:-100px;bottom:-120px;width:300px;height:300px;background:radial-gradient(circle,rgba(25,230,196,.06),transparent 70%);pointer-events:none}
.service-grid{display:grid;grid-template-columns:7fr 5fr;gap:112px;align-items:start;position:relative;z-index:2}
.service-main-card{background:#fff;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid #EAEFF5;transition:transform .26s ease,box-shadow .26s ease}
.service-main-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.service-main-media{position:relative;height:263px;overflow:hidden}
.service-main-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-main-card:hover .service-main-media img{transform:scale(1.04)}
.service-main-media .mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(11,22,34,.44),transparent 68%);z-index:2}
.service-media-label{position:absolute;right:16px;top:16px;z-index:3;background:rgba(255,255,255,.9);border-radius:8px;padding:5px 10px;font-size:12px;font-weight:700;color:var(--ink-strong);backdrop-filter:blur(4px)}
.service-main-body{padding:28px 30px 32px}
.service-no{font-size:13px;font-weight:700;color:var(--gold-deep);letter-spacing:.08em;display:block;margin-bottom:7px}
.service-main-body h3{font-size:27px;color:var(--ink-strong);margin-bottom:12px;font-weight:800;letter-spacing:-.01em}
.service-main-body .desc{font-size:15px;color:var(--ink-muted);line-height:1.9;margin-bottom:18px}
.service-main-body ul{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;margin-bottom:22px}
.service-main-body li{font-size:14px;color:var(--ink-body);display:flex;gap:8px;align-items:flex-start;line-height:1.55}
.service-main-body li::before{content:"✓";color:var(--primary);font-weight:800;flex:none;line-height:1.6}
.card-link{font-weight:600;font-size:15px;color:var(--primary);display:inline-flex;align-items:center;gap:9px;transition:gap .2s ease,color .2s}
.card-link::after{content:"→";display:inline-block;transition:transform .2s;font-size:17px}
.card-link:hover{color:var(--gold-deep)}
.card-link:hover::after{transform:translateX(4px)}

.service-side{display:grid;gap:18px}
.small-service-card{
  background:#fff;border-radius:var(--radius-card);padding:26px 28px;box-shadow:var(--shadow-sm);border:1px solid #EEF3F8;
  transition:transform .23s ease,box-shadow .23s ease;border-top:2px solid transparent;
}
.small-service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-top-color:var(--neon-cyan)}
.small-service-card h3{font-size:20px;color:var(--ink-strong);margin-bottom:9px;font-weight:750;display:flex;align-items:center;gap:9px}
.small-service-card .svc-tag{font-size:11px;background:var(--primary-soft);color:var(--primary-deep);padding:2px 9px;border-radius:999px;font-weight:600}
.small-service-card p{font-size:14px;color:var(--ink-muted);line-height:1.8;margin-bottom:16px}
.service-side .card-link{font-size:14px}
@media(max-width:1024px){
  .service-grid{grid-template-columns:1fr;gap:22px}
  .service-side{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .service-side{grid-template-columns:1fr}
  .service-main-body ul{grid-template-columns:1fr}
  .service-main-media{height:220px}
}

/* 数据指标 */
.metrics-area{background:var(--bg-body);padding:var(--space-section) 0;border-top:1px solid #EEF1F6;border-bottom:1px solid #EEF1F6;position:relative;overflow:hidden}
.metrics-bg{position:absolute;right:0;top:0;bottom:0;width:420px;background:radial-gradient(circle at 84% 52%,rgba(25,104,200,.08),rgba(214,154,45,.04) 52%,transparent 75%);pointer-events:none}
.metrics-grid{display:grid;grid-template-columns:2.4fr repeat(3,1fr);gap:16px;position:relative;z-index:2;grid-template-areas:"highlight n1 n2 n3"}
.metric-card{
  background:#fff;border-radius:var(--radius-card);padding:28px 22px;box-shadow:var(--shadow-sm);
  border:1px solid #EBF1F7;display:flex;flex-direction:column;justify-content:center;
  min-height:180px;transition:transform .2s,box-shadow .2s;
}
.metric-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.metric-card strong{font-size:36px;line-height:1.2;color:var(--ink-strong);font-weight:850;display:flex;align-items:baseline;gap:4px;letter-spacing:-.02em}
.metric-card strong i{font-style:normal;font-size:19px;color:var(--gold);letter-spacing:0}
.metric-card span{font-size:13px;color:var(--ink-muted);margin-top:9px;letter-spacing:.02em;}
.metric-feature{
  grid-area:highlight;background:linear-gradient(145deg,var(--nav-bg),#102333);color:#fff;border:none;justify-content:flex-start;min-height:180px;
  position:relative;overflow:hidden;
}
.metric-feature::after{content:"";position:absolute;right:-17px;top:-17px;width:100px;height:100px;background:radial-gradient(circle,rgba(25,230,196,.26),transparent 66%);border-radius:50%}
.metric-feature strong{color:#fff}
.metric-feature span{color:#9FC0DE}
.metric-feature small{display:block;padding-top:14px;margin-top:auto;font-size:12px;color:var(--gold);border-top:1px solid rgba(255,255,255,.11);width:80%}
.metric-sub{font-size:11px;font-weight:500;color:var(--ink-muted);margin-top:6px;letter-spacing:.02em}
@media(max-width:1024px){
  .metrics-grid{grid-template-columns:1fr 1fr;grid-template-areas:"highlight n1" "n2 n3"}
}
@media(max-width:520px){
  .metrics-grid{grid-template-columns:1fr;grid-template-areas:"highlight" "n1" "n2" "n3"}
  .metric-card{min-height:130px;padding:22px 20px}
  .metric-card strong{font-size:30px}
}

/* CTA 主转化 */
.lead-area{background:var(--surface);padding:var(--space-section) 0}
.lead-card{
  position:relative;border-radius:24px;overflow:hidden;background:#E9F1FA;
  display:grid;grid-template-columns:7fr 5fr;min-height:358px;
  border:1px solid #D9E6F3;box-shadow:var(--shadow-sm);
}
.lead-main{padding:54px 50px 52px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;position:relative;z-index:3}
.lead-main h2{font-size:clamp(28px,3vw,40px);color:var(--ink-strong);line-height:1.35;margin-bottom:14px;letter-spacing:-.02em;font-weight:800}
.lead-main .lead-sub{color:#274B67;font-size:16px;line-height:1.85;margin-bottom:28px;max-width:440px}
.lead-btns{display:flex;flex-wrap:wrap;gap:13px}
.lead-visual{
  background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;
  position:relative;min-height:320px;
}
.lead-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--nav-bg) 5%,transparent 55%);opacity:0.78}
.lead-visual .lead-mark{position:absolute;left:28px;bottom:28px;right:28px;z-index:2}
.lead-visual .lead-mark div{
  display:flex;flex-direction:column;gap:3px;background:rgba(11,22,34,.5);backdrop-filter:blur(5px);
  padding:14px 16px;border-radius:13px;color:#fff;font-size:14px;border-left:3px solid var(--gold);
}
.lead-visual .lead-mark b{font-size:19px;color:var(--neon-cyan);letter-spacing:.01em}
@media(max-width:1024px){
  .lead-card{grid-template-columns:1fr}
  .lead-visual{min-height:250px;order:-1}
  .lead-visual::before{background:linear-gradient(120deg,#0B1622cc,transparent 65%)}
  .lead-main{padding:42px 36px}
}
@media(max-width:520px){
  .lead-main{padding:32px 22px}
  .lead-btns{width:100%}
  .lead-btns .btn{width:100%}
}

/* 最新动态区域 */
.update-area{background:var(--bg-soft);padding:var(--space-section) 0}
.news-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.news-card{
  grid-column:span 3;background:#fff;border-radius:var(--radius-card);overflow:hidden;border:1px solid #E5ECF3;
  box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,transform .25s ease;display:flex;flex-direction:column;position:relative;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.news-card:first-child{grid-column:span 6;display:grid;grid-template-columns:1.2fr 1fr}
.news-card:first-child .news-thumb{height:auto;min-height:260px}
.news-thumb{height:188px;background:#BFD4E8;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-info{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px;font-size:12px;color:var(--ink-muted)}
.news-title{font-size:18px;line-height:1.55;color:var(--ink-strong);font-weight:700;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:first-child .news-title{font-size:23px;font-weight:800;-webkit-line-clamp:2}
.news-desc{font-size:14px;color:var(--ink-muted);line-height:1.75;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid #EEF3F8;padding-top:12px}
.news-read{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:7px}
.news-read:hover{color:var(--gold-deep)}
.news-empty{
  border:1px dashed #A9BED4;background:rgba(255,255,255,.58);border-radius:var(--radius-card);padding:54px 30px;
  display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--ink-muted);text-align:center;
}
.news-empty::before{content:"📂";font-size:28px;opacity:.55}
.news-empty p{font-size:15px}
@media(max-width:1024px){
  .news-card,.news-card:first-child{grid-column:span 3;display:block;}
  .news-card:first-child .news-thumb{height:199px;min-height:0}
  .news-card:first-child .news-title{font-size:19px}
}
@media(max-width:640px){
  .update-area .news-grid{grid-template-columns:1fr}
  .news-card,.news-card:first-child{grid-column:span 1;display:block;}
  .news-card:first-child .news-thumb{height:190px}
}

/* FAQ */
.faq-area{background:var(--surface);padding:var(--space-section) 0}
.faq-block{
  display:grid;grid-template-columns:1fr 5fr;gap:24px;
}
.faq-aside .faq-aside-note{position:sticky;top:120px;font-size:15px;color:var(--ink-muted);line-height:1.85;border-left:2px solid var(--gold);padding-left:18px}
.faq-items{display:flex;flex-direction:column}
.faq-item{border-bottom:1px solid var(--line-light);padding:6px 0}
.faq-item:first-child{padding-top:0}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:20px 0;
  font-size:18px;font-weight:650;color:var(--ink-strong);text-align:left;transition:color .2s;
  background:none;
}
.faq-q:hover{color:var(--primary)}
.faq-q .q-icon{
  width:34px;height:34px;flex:none;border-radius:50%;border:1.5px solid var(--line-light);display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:500;color:var(--primary);transition:transform .24s,color .24s,border-color .24s,background .24s;
}
.faq-item.open .q-icon{transform:rotate(45deg);background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  font-size:15px;color:var(--ink-muted);line-height:1.85;
}
.faq-item.open .faq-a{max-height:600px}
.faq-a-inner{padding:2px 0 22px}
.qa-no{font-size:11px;color:var(--primary);font-family:ui-monospace,monospace;display:block;margin-bottom:3px;letter-spacing:.06em}
@media(max-width:768px){
  .faq-block{grid-template-columns:1fr}
  .faq-aside{display:none}
  .faq-q{font-size:17px}
}

/* 底部小助推 */
.micro-cta{background:linear-gradient(110deg,var(--nav-bg),#102E46 65%,var(--nav-bg));padding:80px 0;color:#fff}
.micro-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.micro-inner h2{color:#fff;font-size:29px;max-width:550px;line-height:1.4;letter-spacing:-.01em;margin-bottom:9px;font-weight:800}
.micro-inner p{color:#9FC3DF;font-size:15px;max-width:480px;line-height:1.8}
.micro-cta .btn-main{white-space:nowrap}
@media(max-width:768px){
  .micro-inner{flex-direction:column;align-items:flex-start}
  .micro-inner .btn-main{width:100%}
}

/* Footer */
.site-footer{background:#07101B;color:#AFC7DC;border-top:0}
.site-footer::before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--gold),transparent 46%,var(--neon-cyan))}
.footer-main{display:grid;grid-template-columns:3fr 1.7fr 2fr 2fr;gap:42px;padding:64px 0 48px}
.footer-brand .brand-text{font-size:22px}
.footer-brand p{max-width:280px;font-size:14px;line-height:1.9;color:#8CA7BE;margin-top:16px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:17px;letter-spacing:.04em}
.footer-col a,.footer-col li{display:block;font-size:14px;color:#8CA7BE;margin-bottom:10px;transition:color .2s;line-height:1.6}
.footer-col a:hover{color:var(--neon-cyan);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(25,230,196,.4)}
.footer-col address{font-style:normal;font-size:14px;color:#8CA7BE;line-height:2}
.footer-col address a{color:#D2E7F7}
.footer-col address a:hover{color:var(--neon-cyan)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-copy{font-size:13px;color:#5A7C97;display:flex;gap:20px;flex-wrap:wrap}
.footer-ol{font-size:13px;color:#3E657F}
@media(max-width:1024px){
  .footer-main{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:640px){
  .footer-main{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sec-block{padding:64px 0}
  .lead-area .container{padding:0}
}

/* Modal */
.modal{
  position:fixed;inset:0;background:rgba(6,16,27,.62);display:flex;align-items:center;justify-content:center;gap:12px;
  z-index:300;opacity:0;visibility:hidden;transition:opacity .23s,visibility .23s;padding:20px;
}
.modal.is-open{opacity:1;visibility:visible}
.modal-dialog{
  width:min(640px,calc(100vw - 24px));max-height:92vh;overflow:auto;background:#fff;border-radius:22px;box-shadow:0 30px 90px rgba(2,12,25,.4);
  transform:translateY(26px);transition:transform .28s cubic-bezier(.2,.8,.2,1);position:relative;
}
.modal.is-open .modal-dialog{transform:translateY(0)}
.modal-close{
  position:absolute;right:15px;top:15px;width:38px;height:38px;z-index:5;border-radius:50%;
  background:#F1F4F8;color:#2E4255;font-size:20px;display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s;
}
.modal-close:hover{background:var(--nav-bg);color:var(--neon-cyan)}
.modal-head{padding:34px 38px 0}
.modal-head h3{font-size:25px;font-weight:800;color:var(--ink-strong);letter-spacing:-.02em;line-height:1.45}
.modal-head p{font-size:14px;color:var(--ink-muted);margin-top:7px}
.modal-form{padding:26px 38px 40px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:15px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--ink-body);margin-bottom:7px}
.form-label i{color:#C13B3B;font-style:normal}
.form-control{
  width:100%;height:46px;border-radius:10px;border:1.5px solid #C9D6E2;padding:0 13px;font-size:14px;background:#fff;color:var(--ink-strong);
  transition:border-color .2s,box-shadow .2s;appearance:none;
}
textarea.form-control{height:104px;padding:11px 13px;resize:vertical;line-height:1.6}
.form-control::placeholder{color:#A6B7C8}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(25,104,200,.14);outline:none}
select.form-control{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%2360798C' d='M4.5 6l3.5 4 3.5-4h-7z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:34px}
.form-error{display:none;font-size:12px;color:#C43C3C;margin-top:5px}
.form-group.has-error .form-control{border-color:#CE4A4A}
.form-group.has-error .form-error{display:block}
.form-check{display:flex;align-items:flex-start;gap:9px;margin:15px 0 17px;cursor:pointer;font-size:13px;color:var(--ink-muted);line-height:1.55}
.form-check input{width:18px;height:18px;flex:none;margin-top:2px;accent-color:var(--primary)}
.form-check a{color:var(--primary);font-weight:500}
.form-check a:hover{text-decoration:underline}
.privacy-inline{display:none;background:var(--bg-soft);border-radius:12px;padding:16px 18px;font-size:13px;color:var(--ink-muted);line-height:1.8;margin:-2px 0 20px}
.privacy-inline.show{display:block}
.btn-submit{width:100%;height:52px;font-size:16px}
.modal-success{
  text-align:center;padding:64px 24px;color:var(--ink-body);display:none;
}
.modal-success.show{display:block}
.modal-success .tick{
  width:68px;height:68px;border-radius:50%;background:var(--primary-soft);margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--primary);
  box-shadow:0 0 0 8px rgba(25,104,200,.07);
}
.modal-success h4{font-size:22px;color:var(--ink-strong);margin-bottom:8px;font-weight:750}
.modal-success p{font-size:15px;color:var(--ink-muted)}
@media(max-width:600px){
  .modal{align-items:flex-end;padding:0}
  .modal-dialog{width:100%;max-height:92vh;border-radius:22px 22px 0 0}
  .modal-head{padding:28px 22px 0}
  .modal-form{padding:20px 22px 30px}
  .form-row{grid-template-columns:1fr}
}
body.modal-locked{overflow:hidden}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;scroll-behavior:auto!important}
  .hero-img-frame{transform:none}
  .hero-gold-card{transform:none}
}

/* roulang page: article */
:root {
  --bg-body: #F4F7FA;
  --bg-soft: #E9EFF5;
  --surface: #FFFFFF;
  --ink-strong: #0A1E2E;
  --ink-body: #2E4255;
  --ink-muted: #60798C;
  --primary: #1968C8;
  --primary-deep: #0B3E86;
  --primary-soft: #E3EEF9;
  --gold: #D69A2D;
  --gold-deep: #A8751A;
  --neon-cyan: #19E6C4;
  --nav-bg: #0B1622;
  --line-light: #D8E2EC;
  --line-dark: #243A4E;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 8px 24px rgba(10,30,46,0.06);
  --shadow-md: 0 18px 36px rgba(10,30,46,0.10);
  --font-body: -apple-system, BlinkMacSystemFont, "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--ink-body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body.lock {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
}

input:focus,
select:focus,
textarea:focus,
button:focus,
a:focus {
  outline: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
}

.btn-neon {
  background: linear-gradient(135deg, var(--neon-cyan), #7BE9D8);
  color: #062D27;
  box-shadow: 0 0 18px rgba(25, 230, 196, 0.22);
}

.btn-neon:hover {
  box-shadow: 0 0 28px rgba(25, 230, 196, 0.55);
  filter: brightness(1.05);
  transform: translateY(-2px);
}

.btn-primary {
  height: 48px;
  padding: 0 28px;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: #261500;
  box-shadow: 0 6px 18px rgba(214, 154, 45, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 0 0 4px rgba(214, 154, 45, 0.22), 0 16px 34px rgba(214, 154, 45, 0.3);
  filter: brightness(1.06);
  transform: translateY(-2px);
}

.btn-outline {
  height: 44px;
  padding: 0 22px;
  border: 2px solid var(--primary);
  background: transparent;
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(25, 104, 200, 0.18);
}

.neon-border {
  height: 3px;
  background: linear-gradient(90deg, var(--neon-cyan) 0%, #4099D6 40%, var(--gold) 100%);
}

.site-header {
  background: var(--nav-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 12px 28px rgba(5, 15, 25, 0.18);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  flex-shrink: 0;
}

.brand-glyph {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(25, 230, 196, 0.16), rgba(214, 154, 45, 0.10));
  border: 1px solid rgba(25, 230, 196, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-glyph i {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 12px var(--neon-cyan);
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.2px;
}

.brand-text small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: #8A9EAF;
  letter-spacing: 1.2px;
}

.m-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  position: relative;
  display: inline-block;
  padding: 10px 2px;
  font-size: 15px;
  color: rgba(236, 246, 255, 0.74);
  transition: color .2s ease, text-shadow .2s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(25, 230, 196, 0.7);
  transition: width .2s ease;
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.is-active {
  color: var(--neon-cyan);
  text-shadow: 0 0 14px rgba(25, 230, 196, 0.42);
}

.nav-links a.is-active::after {
  width: 100%;
  background: var(--neon-cyan);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: #D9E6F0;
  border-radius: 2px;
  transition: transform .25s, background .25s, opacity .25s;
}

.burger:hover span {
  background: var(--neon-cyan);
}

.burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.article-page-main {
  padding: 32px 0 96px;
  background: linear-gradient(180deg, #F8FBFC 0%, var(--bg-body) 100%);
}

.breadcrumb-row {
  max-width: 880px;
  margin: 0 auto 24px;
  padding: 14px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-muted);
}

.breadcrumb a {
  color: var(--primary);
  transition: color .2s;
}

.breadcrumb a:hover {
  color: var(--primary-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.breadcrumb .sep {
  color: #9FB0BF;
}

.article-single {
  max-width: 880px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line-light);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  padding: 56px;
  position: relative;
}

.article-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 24px;
}

.article-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  letter-spacing: 0.3px;
  margin-bottom: 16px;
}

.article-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(25, 230, 196, 0.7);
}

.article-title {
  font-size: 38px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--ink-strong);
  letter-spacing: -0.4px;
  margin-bottom: 18px;
  word-break: break-word;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--ink-muted);
  font-size: 14px;
}

.article-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #B3C2D1;
}

.article-body {
  max-width: 760px;
  margin: 42px auto 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-body);
  word-break: break-word;
}

.article-body p {
  margin-bottom: 24px;
}

.article-body h2 {
  font-size: 27px;
  font-weight: 750;
  color: var(--ink-strong);
  margin: 48px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-light);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-strong);
  margin: 36px 0 12px;
  line-height: 1.45;
}

.article-body h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-strong);
  margin: 28px 0 10px;
}

.article-body ul,
.article-body ol {
  margin: 20px 0 24px 4px;
  padding-left: 22px;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(25, 104, 200, 0.4);
  text-underline-offset: 4px;
  transition: color .2s, text-decoration-color .2s;
}

.article-body a:hover {
  color: var(--primary-deep);
  text-decoration-color: var(--primary-deep);
}

.article-body blockquote {
  margin: 28px 0;
  padding: 18px 24px;
  background: var(--bg-soft);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
  color: var(--ink-muted);
}

.article-body img {
  margin: 32px auto;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.article-body pre {
  background: var(--nav-bg);
  color: #E7F0F8;
  padding: 20px;
  border-radius: 12px;
  overflow: auto;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.7;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-body code {
  background: var(--bg-soft);
  color: var(--primary-deep);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.92em;
}

.article-body hr {
  border: 0;
  border-top: 1px solid var(--line-light);
  margin: 40px 0;
}

.article-foot {
  max-width: 760px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--ink-muted);
  font-size: 14px;
}

.article-foot-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.article-empty {
  max-width: 720px;
  margin: 40px auto 0;
  background: var(--surface);
  border: 1px solid var(--line-light);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  padding: 72px 40px;
  text-align: center;
}

.article-empty .empty-code {
  font-size: 44px;
  font-weight: 800;
  color: var(--line-light);
  letter-spacing: -1px;
}

.article-empty h1 {
  font-size: 28px;
  color: var(--ink-strong);
  margin: 18px 0 10px;
}

.article-empty p {
  color: var(--ink-muted);
  margin-bottom: 28px;
}

.related-section {
  max-width: 880px;
  margin: 48px auto 0;
}

.related-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.related-head h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink-strong);
}

.related-head::before {
  content: "";
  width: 4px;
  height: 22px;
  background: linear-gradient(180deg, var(--primary), var(--neon-cyan));
  border-radius: 2px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  min-height: 200px;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(25, 230, 196, 0.5);
}

.related-card .rc-date {
  display: inline-flex;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-deep);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
  letter-spacing: 0.2px;
}

.related-card h3 {
  font-size: 17px;
  font-weight: 750;
  color: var(--ink-strong);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card .rc-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  position: relative;
  padding-bottom: 3px;
}

.related-card .rc-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s;
}

.related-card:hover .rc-link::after {
  transform: scaleX(1);
}

.site-footer {
  background: var(--nav-bg);
  color: #B7C7D6;
}

.site-footer .neon-border {
  background: linear-gradient(90deg, var(--gold), var(--neon-cyan) 70%, transparent);
}

.footer-main {
  display: grid;
  grid-template-columns: 4fr 3fr 3fr 4fr;
  gap: 32px;
  padding: 64px 0 40px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: #93A6B6;
  max-width: 320px;
}

.footer-col h4 {
  color: #E8F1F8;
  font-size: 15px;
  font-weight: 750;
  margin-bottom: 16px;
  letter-spacing: 0.2px;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col ul li,
.footer-col address {
  font-size: 14px;
  line-height: 1.7;
  color: #9FB2C0;
  font-style: normal;
}

.footer-col a {
  color: #C1D3E0;
  transition: color .2s, text-decoration-color .2s;
}

.footer-col a:hover {
  color: var(--neon-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(25, 230, 196, 0.55);
  text-underline-offset: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: #8499AA;
}

.footer-copy {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-copy a {
  color: #BCCDDA;
  transition: color .2s;
}

.footer-copy a:hover {
  color: var(--neon-cyan);
}

.footer-ol {
  font-size: 13px;
  letter-spacing: 0.2px;
}

.modal-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 14, 22, 0.58);
  backdrop-filter: blur(5px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}

.modal-mask.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-panel {
  width: 100%;
  max-width: 520px;
  max-height: 92vh;
  overflow: auto;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 28px 60px rgba(5, 15, 25, 0.28);
  padding: 34px;
  transform: translateY(16px);
  transition: transform .25s ease;
  position: relative;
}

.modal-mask.is-open .modal-panel {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border: 0;
  background: var(--bg-soft);
  border-radius: 50%;
  font-size: 20px;
  line-height: 1;
  color: var(--ink-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s, transform .2s;
}

.modal-close:hover {
  background: #DCE8F2;
  color: var(--ink-strong);
  transform: rotate(90deg);
}

.modal-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
}

.modal-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink-strong);
  margin: 8px 0 12px;
  letter-spacing: -0.2px;
}

.modal-desc {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  gap: 18px;
}

.form-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-strong);
  margin-bottom: 7px;
}

.form-field .label-sub {
  color: var(--ink-muted);
  font-weight: 400;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 44px;
  border: 1px solid #C7D3DE;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0 14px;
  font-size: 15px;
  color: var(--ink-strong);
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.form-textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
  min-height: 88px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(25, 104, 200, 0.15);
  background: #fff;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #A3B3C2;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2360798C' d='M1.4 0 6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.6;
  cursor: pointer;
}

.consent-row input[type="checkbox"] {
  width: 17px;
  height: 17px;
  margin-top: 3px;
  accent-color: var(--primary);
  cursor: pointer;
}

.consent-row a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-error {
  display: block;
  font-size: 13px;
  color: #D33A45;
  min-height: 0;
}

.form-submit {
  margin-top: 6px;
  width: 100%;
}

.form-success {
  text-align: center;
  padding: 32px 0 12px;
  display: none;
}

.form-success.show {
  display: block;
}

.form-success .success-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  background: rgba(25, 230, 196, 0.18);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-success .success-icon i {
  color: #0F7A68;
  font-size: 34px;
  font-style: normal;
  font-weight: 800;
}

.form-success h3 {
  font-size: 21px;
  font-weight: 800;
  color: var(--ink-strong);
  margin-bottom: 6px;
}

.form-success p {
  font-size: 14px;
  color: var(--ink-muted);
}

.privacy-copy {
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 16px 18px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .nav-links {
    gap: 22px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 66px;
    gap: 14px;
  }

  .header-cta .btn-neon {
    display: none;
  }

  .burger {
    display: flex;
  }

  .m-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 78%;
    max-width: 330px;
    background: #0A1420;
    z-index: 110;
    padding: 96px 28px 32px;
    border-left: 1px solid rgba(25, 230, 196, 0.2);
    transform: translateX(102%);
    visibility: hidden;
    transition: transform .25s ease, visibility .25s ease;
    overflow-y: auto;
  }

  .m-nav.open {
    transform: translateX(0);
    visibility: visible;
  }

  .m-nav::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--gold));
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .nav-links a {
    font-size: 18px;
    padding: 8px 2px;
  }

  .modal-panel {
    padding: 28px 22px;
  }

  .article-single {
    padding: 36px 24px;
    border-radius: 18px;
  }

  .article-title {
    font-size: 30px;
  }

  .article-body {
    font-size: 16px;
  }
}

@media (max-width: 520px) {
  .footer-main {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 0 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-page-main {
    padding: 20px 0 72px;
  }

  .article-single {
    padding: 28px 18px;
  }

  .article-title {
    font-size: 25px;
  }

  .article-meta {
    font-size: 13px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .modal-mask {
    padding: 0;
    align-items: flex-end;
  }

  .modal-panel {
    max-width: 100%;
    border-radius: 18px 18px 0 0;
    transform: translateY(24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root{
  --bg-body:#F4F7FA;
  --bg-soft:#E9EFF5;
  --surface:#FFFFFF;
  --ink-strong:#0A1E2E;
  --ink-body:#2E4255;
  --ink-muted:#60798C;
  --primary:#1968C8;
  --primary-deep:#0B3E86;
  --primary-soft:#E3EEF9;
  --gold:#D69A2D;
  --gold-deep:#A8751A;
  --neon-cyan:#19E6C4;
  --nav-bg:#0B1622;
  --line-light:#D8E2EC;
  --line-dark:#243A4E;
  --radius-card:16px;
  --radius-inner:12px;
  --radius-btn:10px;
  --shadow-card:0 8px 24px rgba(10,30,46,.06);
  --shadow-hover:0 18px 36px rgba(10,30,46,.10);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg-body);color:var(--ink-body);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol,address{list-style:none;font-style:normal}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
:focus-visible{outline:3px solid rgba(25,104,200,.4);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{color:var(--ink-strong);font-weight:800;letter-spacing:-.02em}
p{margin-bottom:14px}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border:0;border-radius:var(--radius-btn);font-weight:700;font-size:15px;line-height:1;cursor:pointer;transition:all .25s ease;box-shadow:var(--shadow-card);white-space:nowrap}
.btn:active{transform:translateY(2px)}
.btn-neon{background:linear-gradient(135deg,#22F3D3,#17D9B8);color:#052A31;box-shadow:0 8px 18px rgba(25,230,196,.22)}
.btn-neon:hover{box-shadow:0 10px 24px rgba(25,230,196,.4);filter:brightness(1.06)}
.btn-gold{background:linear-gradient(135deg,#E6B950,#D69A2D);color:#201600;box-shadow:0 8px 18px rgba(214,154,45,.24)}
.btn-gold:hover{box-shadow:0 0 0 4px rgba(230,185,80,.28),0 14px 28px rgba(214,154,45,.3);filter:brightness(1.04)}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary);box-shadow:none}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-light{background:#fff;color:var(--primary-deep);box-shadow:0 10px 24px rgba(4,15,26,.2)}
.btn-light:hover{background:var(--primary-soft)}

/* Header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(11,22,34,.96);backdrop-filter:blur(8px);clip-path:inset(0 0 0 0)}
.neon-border{height:3px;background:linear-gradient(90deg,var(--neon-cyan) 8%,#4D9CD8 38%,var(--gold) 95%)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.brand-glyph{position:relative;display:inline-flex;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#101E2E,#0C1826);border:1px solid rgba(25,230,196,.35)}
.brand-glyph i{position:absolute;left:9px;top:9px;width:18px;height:18px;border-radius:4px;background:radial-gradient(circle at 65% 30%,rgba(25,230,196,.95),rgba(25,230,196,.25));box-shadow:0 0 14px rgba(25,230,196,.75)}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.02em;line-height:1.15;color:#fff}
.brand-text small{display:block;font-size:10px;font-weight:500;color:rgba(255,255,255,.46);letter-spacing:.12em;text-transform:uppercase}
.m-nav .nav-links{display:flex;align-items:center}
.nav-links a{position:relative;display:flex;align-items:center;min-height:54px;margin-right:28px;font-size:15px;font-weight:550;color:rgba(235,244,252,.72);transition:color .25s ease,text-shadow .25s ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;border-radius:2px;background:var(--neon-cyan);box-shadow:0 0 10px rgba(25,230,196,.7);transition:width .25s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--neon-cyan);text-shadow:0 0 12px rgba(25,230,196,.45)}
.nav-links a.is-active::after{width:100%}
.header-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;width:44px;height:44px;padding:0;border:0;border-radius:10px;background:rgba(255,255,255,.05)}
.burger span{display:block;width:20px;height:2px;background:rgba(255,255,255,.82);margin:3px auto}
.burger:hover span{background:#fff}

/* Page hero */
.page-hero{position:relative;overflow:hidden;padding:68px 0 84px;background:
 radial-gradient(circle at 84% 18%,rgba(25,230,196,.1),transparent 26%),
 radial-gradient(circle at 16% 86%,rgba(214,154,45,.12),transparent 24%),
 linear-gradient(135deg,#F9FBFC 0%,#EFF5FB 48%,#FFFFFF 100%)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(25,104,200,.14) 1px,transparent 1px);background-size:22px 22px;opacity:.3;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:56px;align-items:center}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--ink-muted);margin-bottom:22px;font-weight:500}
.breadcrumb a{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.page-hero h1{font-size:clamp(34px,4vw,54px);line-height:1.16;max-width:680px;margin-bottom:20px}
.hero-lead{font-size:17px;line-height:1.85;color:#476173;max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-note{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:24px}
.hero-note span{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--ink-muted)}
.hero-note i{width:6px;height:6px;border-radius:50%;background:var(--neon-cyan);box-shadow:0 0 8px rgba(25,230,196,.8)}
.hero-visual{position:relative}
.hero-visual .img-frame{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hover);transform:rotate(.5deg)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:12px;pointer-events:none;border:1px solid rgba(214,154,45,.6);border-radius:20px;z-index:2}
.hero-pop{position:absolute;left:-18px;bottom:18px;z-index:3;background:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-hover);border-left:4px solid var(--gold);max-width:230px}
.hero-pop strong{display:block;font-size:15px;color:var(--ink-strong)}
.hero-pop span{font-size:13px;color:var(--ink-muted)}

/* shared site sections */
.section{background:var(--surface)}
.section-soft{background:var(--bg-body)}
.section-head{max-width:820px;margin-bottom:48px}
.section-head .sec-kicker{display:inline-flex;align-items:center;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:10px}
.section-head .sec-kicker::before{content:"";width:22px;height:2px;background:var(--gold);margin-right:8px}
.section-head h2{font-size:clamp(28px,3vw,36px);line-height:1.24;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-muted);line-height:1.8}

/* core split */
.coreview-section{padding:96px 0;background:var(--surface);border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light)}
.split-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:52px;align-items:start}
.core-list{border-top:2px solid var(--line-light)}
.core-item{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:30px 0;border-bottom:1px solid var(--line-light)}
.core-no{font-size:15px;font-weight:800;color:var(--gold-deep);letter-spacing:.08em;line-height:1;padding-top:6px}
.core-item h3{font-size:21px;margin-bottom:6px}
.core-item p{color:var(--ink-muted);font-size:15px;line-height:1.75;margin-bottom:0}
.side-note{position:sticky;top:108px;background:linear-gradient(180deg,#F8FAFC,#EEF4F9);border:1px solid var(--line-light);border-radius:var(--radius-card);padding:24px;overflow:hidden;box-shadow:var(--shadow-card)}
.side-note img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;margin-bottom:18px}
.side-note h3{font-size:19px;margin-bottom:12px}
.side-list li{position:relative;padding-left:20px;font-size:14px;color:#3E5B70;margin-bottom:9px}
.side-list li::before{content:"";position:absolute;left:2px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.side-note .note-line{margin-top:18px;background:var(--surface);border-radius:10px;padding:12px 14px;font-size:13px;color:var(--primary-deep);font-weight:600}

/* Timeline */
.timeline-section{padding:96px 0;background:linear-gradient(180deg,var(--surface) 0%,var(--bg-body) 100%)}
.timeline{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:44px}
.timeline-item{display:grid;grid-template-columns:72px 1fr;gap:22px;background:var(--surface);border:1px solid var(--line-light);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease}
.timeline-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tl-index{display:flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:14px;background:var(--primary-soft);color:var(--primary);font-size:18px;font-weight:800}
.timeline-item h3{font-size:19px;margin-bottom:7px}
.timeline-item p{font-size:15px;color:var(--ink-muted);margin-bottom:0}

/* Scene card */
.scene-section{padding:96px 0;background:var(--surface);border-top:1px solid var(--line-light)}
.scene-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
.scene-card{border:1px solid var(--line-light);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);transition:transform .25s ease,box-shadow .25s ease;padding:24px}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-media{grid-column:span 4}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-media .scene-body{position:relative;padding:22px 24px 24px}
.scene-card.scene-short{grid-column:span 2}
.scene-card h3{font-size:20px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--ink-muted);margin-bottom:0}
.scene-pill{display:inline-block;margin-top:14px;padding:5px 12px;border-radius:20px;background:var(--primary-soft);color:var(--primary-deep);font-size:13px;font-weight:700}
.scene-grid .spot-title{font-size:16px;font-weight:800;color:var(--ink-strong);margin-bottom:6px}
.scene-grid .spot-desc{font-size:14px;color:var(--ink-muted);margin-bottom: 0}
.scene-banner{grid-column:span 6;background:linear-gradient(135deg,#F4F7FB,#EFF3F7);border-radius:var(--radius-card);padding:16px 24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.scene-banner p{font-size:15px;margin-bottom:0}

/* FAQ */
.faq-section{padding:96px 0;background:var(--bg-body)}
.faq-wrap{display:grid;grid-template-columns:minmax(260px,3fr) minmax(0,9fr);gap:44px}
.faq-aside{position:sticky;top:100px;align-self:start}
.faq-aside .faq-kicker{color:var(--primary);font-size:14px;font-weight:800;letter-spacing:.1em}
.faq-aside h2{font-size:32px;line-height:1.3;margin:12px 0}
.faq-aside p{color:var(--ink-muted);font-size:15px;margin-bottom:24px}
.faq-list{border-top:1px solid var(--line-light)}
.faq-item{border-bottom:1px solid var(--line-light)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;background:transparent;border:0;text-align:left;cursor:pointer;font-size:17px;font-weight:700;color:var(--ink-strong)}
.faq-q:hover{color:var(--primary)}
.faq-q .q-icon{flex:0 0 28px;width:28px;height:28px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;transition:transform .3s ease,background .3s ease;font-size:19px}
.faq-q[aria-expanded="true"] .q-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .3s ease;padding:0}
.faq-a-inner{padding:0 48px 22px 0;color:var(--ink-body);font-size:15px;line-height:1.85}
.faq-a-inner p{margin-bottom:0}

/* CTA */
.cta-band{position:relative;overflow:hidden;padding:88px 0;background:
 linear-gradient(135deg,rgba(7,20,31,.93) 0%,rgba(10,33,51,.88) 50%,rgba(23,51,73,.9) 100%),
 url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:#fff}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:44px;align-items:center}
.cta-copy h2{color:#fff;font-size:clamp(26px,3vw,36px);line-height:1.3;margin-bottom:14px}
.cta-copy p{color:rgba(225,233,242,.82);font-size:16px;line-height:1.8;margin-bottom:20px}
.cta-copy .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-side{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);padding:24px;backdrop-filter:blur(6px)}
.cta-side h3{color:#fff;font-size:18px;margin-bottom:16px}
.cta-list{display:grid;gap:12px;color:rgba(230,238,245,.86)}
.cta-list strong{color:var(--neon-cyan);font-weight:700}
.cta-list span{display:flex;gap:10px;align-items:flex-start}
.cta-list i{display:inline-flex;width:7px;height:7px;border-radius:50%;background:var(--gold);margin-top:10px}

/* footer */
.site-footer{background:#08141F;color:rgba(216,228,236,.74)}
.footer-topline{height:3px;background:linear-gradient(90deg,var(--gold) 8%,#4D9CD8 55%,var(--neon-cyan) 100%)}
.footer-main{padding:64px 0 42px;display:grid;grid-template-columns:2.2fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:18px;color:rgba(214,228,238,.7);max-width:280px}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.02em;margin-bottom:18px;font-weight:700}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:rgba(214,228,238,.7);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--neon-cyan);text-decoration:underline}
.footer-col address{font-size:14px;line-height:1.9;color:rgba(214,228,238,.7)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
.footer-copy{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:13px;color:rgba(214,228,238,.6)}
.footer-copy a{transition:color .2s}
.footer-copy a:hover{color:var(--neon-cyan)}
.footer-ol{font-size:13px;color:rgba(214,228,238,.52)}

/* Modal */
body.modal-open{overflow:hidden}
.modal-mask{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(7,15,22,.62);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.modal-mask.is-open{opacity:1;visibility:visible}
.modal-panel{width:100%;max-width:560px;background:#fff;border-radius:20px;box-shadow:var(--shadow-hover);padding:36px 32px 30px;position:relative;max-height:90vh;overflow:auto;transform:translateY(14px);transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.modal-mask.is-open .modal-panel{transform:translateY(0)}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border:0;border-radius:50%;background:var(--bg-soft);color:var(--ink-muted);font-size:20px;line-height:1;cursor:pointer;transition:all .25s}
.modal-close:hover{background:var(--line-dark);color:#fff}
.modal-panel h2{font-size:24px;margin-bottom:8px}
.modal-lead{color:var(--ink-muted);font-size:14px;margin-bottom:24px}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-size:14px;font-weight:700;color:var(--ink-strong);margin-bottom:7px}
.form-field input,.form-field select,.form-field textarea{width:100%;height:46px;border:1px solid #C7D3DE;border-radius:10px;background:#fff;padding:0 14px;font-size:15px;transition:border-color .2s,box-shadow .2s;color:var(--ink-strong)}
.form-field textarea{height:100px;padding:11px 14px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--primary);outline:0;box-shadow:0 0 0 4px rgba(25,104,200,.15)}
.form-field input.error,.form-field select.error,.form-field textarea.error{border-color:#D43B3B;background:#FFF8F8}
.error-text{display:none;color:#C62B2B;font-size:13px;margin-top:6px}
.error-visible .error-text{display:block}
.privacy-check{display:flex;gap:10px;align-items:flex-start;margin:18px 0 20px}
.privacy-check input{opacity:0;position:absolute}
.checkmark{flex:0 0 22px;width:22px;height:22px;border-radius:6px;border:1px solid #B8C7D4;background:#fff;position:relative;transition:all .2s}
.privacy-check input:checked + .checkmark{background:var(--primary);border-color:var(--primary)}
.privacy-check input:checked + .checkmark::after{content:"";position:absolute;left:7px;top:3px;width:6px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.privacy-check input.error + .checkmark{border-color:#D43B3B}
.check-label{font-size:13px;color:var(--ink-muted);line-height:1.7}
.check-label a{color:var(--primary);font-weight:600}
.check-label a:hover{text-decoration:underline}
.form-submit{width:100%}
.form-success{display:none;text-align:center;padding:24px 0}
.form-success .success-icon{width:58px;height:58px;margin:0 auto 18px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:30px;display:flex;align-items:center;justify-content:center}
.form-success h3{font-size:20px;margin-bottom:10px}
.form-success p{color:var(--ink-muted);font-size:14px}

/* responsive */
@media (max-width:1024px){
  .section{padding:80px 0}
  .coreview-section,.timeline-section,.scene-section,.faq-section{padding:80px 0}
  .hero-grid{grid-template-columns:1fr 1fr;gap:28px}
  .hero-pop{left:0}
  .split-grid{gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .faq-aside{position:static}
  .scene-media{grid-column:span 4}
  .scene-short{grid-column:span 2}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .coreview-section,.timeline-section,.scene-section,.faq-section{padding:64px 0}
  .container{padding-left:16px;padding-right:16px}
  .header-inner{height:72px}
  .burger{display:flex;flex-direction:column;align-items:center;justify-content:center;width:42px;height:42px}
  .m-nav .nav-links{position:fixed;top:72px;left:0;right:0;bottom:0;z-index:88;background:#0B1622;flex-direction:column;align-items:stretch;padding:18px 24px 40px;display:none;overflow-y:auto}
  .m-nav.is-open .nav-links{display:flex}
  .nav-links a{padding:13px 0;margin:0;min-height:54px;border-bottom:1px solid rgba(255,255,255,.06);font-size:16px}
  .nav-links a::after{left:0;width:0}
  .hero-grid{grid-template-columns:1fr}
  .page-hero{padding:56px 0 64px}
  .page-hero h1{font-size:36px}
  .hero-note{flex-direction:column;align-items:flex-start}
  .split-grid{grid-template-columns:1fr}
  .side-note{position:static;margin-top:8px}
  .timeline{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .scene-media,.scene-card{grid-column:span 1}
  .scene-banner{grid-column:span 1}
  .cta-inner{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr}
  .modal-panel{padding:28px 20px}
}
@media (max-width:520px){
  .brand-text{font-size:17px}
  .brand-text small{display:none}
  .header-cta .btn-neon{height:38px;padding:0 13px;font-size:13px}
  .footer-main{grid-template-columns:1fr}
  .cta-band{padding:64px 0}
  .nta-actions .btn{width:100%}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .timeline-item{grid-template-columns:1fr;gap:10px}
  .core-item{grid-template-columns:1fr;gap:8px}
}

/* roulang page: category2 */
:root {
  --bg-body: #F4F7FA;
  --bg-soft: #E9EFF5;
  --surface: #FFFFFF;
  --ink-strong: #0A1E2E;
  --ink-body: #2E4255;
  --ink-muted: #60798C;
  --primary: #1968C8;
  --primary-deep: #0B3E86;
  --primary-soft: #E3EEF9;
  --gold: #D69A2D;
  --gold-deep: #A8751A;
  --neon-cyan: #19E6C4;
  --nav-bg: #0B1622;
  --line-light: #D8E2EC;
  --line-dark: #243A4E;
  --radius-xl: 16px;
  --radius-lg: 14px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-md: 0 8px 24px rgba(10,30,46,.06);
  --shadow-lg: 0 18px 40px rgba(10,30,46,.11);
  --transition: .25s ease-in-out;
  --font-cn: "PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg-body);color:var(--ink-body);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{color:var(--ink-strong);line-height:1.25;font-weight:700;text-wrap:balance}
h1{letter-spacing:-.5px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
.container{max-width:1200px;margin-inline:auto;padding-inline:24px}
.section{padding-block:96px}
.section-alt{background:var(--bg-soft)}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.5px;text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:34px;height:2px;background:linear-gradient(90deg,var(--neon-cyan),var(--gold));border-radius:99px}
.section-title{font-size:32px;margin-bottom:14px;letter-spacing:-.5px}
.section-lead{font-size:17px;color:var(--ink-muted);margin-bottom:44px;max-width:720px}

/* ========== 按钮 ========== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;letter-spacing:.2px;transition:var(--transition);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#E8AF46,#C9851E);color:#20140A;box-shadow:0 10px 24px rgba(214,154,45,.26)}
.btn-primary:hover{background:linear-gradient(135deg,#F6C968,#D69A2D);box-shadow:0 0 0 4px rgba(214,154,45,.16),0 12px 28px rgba(214,154,45,.25);transform:translateY(-2px)}
.btn-outline{border:2px solid var(--primary);background:transparent;color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-neon{background:linear-gradient(135deg,#19E6C4,#0CCDAA);color:#072018;box-shadow:0 6px 20px rgba(25,230,196,.28)}
.btn-neon:hover{box-shadow:0 0 0 4px rgba(25,230,196,.2),0 8px 30px rgba(25,230,196,.35);filter:brightness(1.06)}
.btn-lg{min-height:52px;padding-inline:34px;font-size:16px}

/* ========== 导航系统 ========== */
.site-header{position:sticky;top:0;z-index:999;background:rgba(11,22,34,.95);backdrop-filter:blur(8px);box-shadow:0 4px 24px rgba(5,12,20,.18)}
.neon-border{height:3px;background:linear-gradient(90deg,#19E6C4 0%,#2E7FD1 58%,#D69A2D 100%)}
.header-inner{display:flex;align-items:center;gap:32px;min-height:80px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-glyph{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#11293D,#0B1622);border:1px solid rgba(25,230,196,.34);display:inline-flex;align-items:center;justify-content:center;box-shadow:inset 0 0 18px rgba(25,230,196,.12)}
.brand-glyph i{width:10px;height:10px;background:var(--neon-cyan);border-radius:50%;box-shadow:0 0 12px var(--neon-cyan)}
.brand-text{font-size:20px;font-weight:800;color:#fff;line-height:1.15;letter-spacing:.3px;display:flex;flex-direction:column}
.brand-text small{font-size:11px;font-weight:400;letter-spacing:2px;color:rgba(255,255,255,.5);text-transform:uppercase;margin-top:2px}
.m-nav{flex:1}
.nav-links{display:flex}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 18px;font-size:15px;color:rgba(255,255,255,.72);transition:var(--transition);border-radius:6px}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;background:rgba(255,255,255,.6);border-radius:99px}
.nav-links a.is-active{color:var(--neon-cyan);text-shadow:0 0 14px rgba(25,230,196,.5)}
.nav-links a.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;background:var(--neon-cyan);box-shadow:0 0 16px var(--neon-cyan);border-radius:99px}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;transition:var(--transition)}
.burger span{width:20px;height:2px;background:#DFE8F0;border-radius:2px;transition:var(--transition)}
.burger:hover{background:rgba(255,255,255,.1)}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ========== 分类页 Hero ========== */
.cat-hero{position:relative;background:linear-gradient(110deg,#0B1622 0%,#0E2236 38%,rgba(14,38,58,.82) 68%),url('/assets/images/backpic/back-2.png') no-repeat 82% center/cover;color:#fff;padding:72px 0 76px}
.cat-hero .container{display:grid;grid-template-columns:1fr;gap:22px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px;color:rgba(255,255,255,.62);padding-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.72);transition:var(--transition)}
.breadcrumb a:hover{color:var(--neon-cyan)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--neon-cyan)}
.hero-title{font-size:46px;line-height:1.22;color:#fff;max-width:840px;text-shadow:0 6px 30px rgba(0,0,0,.35)}
.hero-title .accent{background:linear-gradient(90deg,#19E6C4,#A6FFE9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lede{font-size:17px;line-height:1.85;margin-top:22px;color:rgba(232,240,247,.9);max-width:760px}
.hero-note{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(214,154,45,.45);background:rgba(214,154,45,.1);padding:9px 15px;border-radius:999px;font-size:14px;color:rgba(255,241,208,.92)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}

/* ========== 对比区块 ========== */
.compare-section{padding-bottom:96px}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:30px}
.compare-card{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);overflow:hidden;border:1px solid transparent;transition:var(--transition);display:flex;flex-direction:column}
.compare-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:#D9E9F5}
.compare-card .media{height:214px;overflow:hidden;position:relative}
.compare-card .media img{width:100%;height:100%;object-fit:cover}
.compare-card .media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,22,34,.3),transparent 52%)}
.card-badge{position:absolute;left:18px;top:18px;z-index:2;background:rgba(11,22,34,.78);backdrop-filter:blur(6px);color:#fff;padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid rgba(255,255,255,.24)}
.card-badge.gold{background:rgba(214,154,45,.86);color:#20140A}
.compare-body{padding:34px 34px 38px;flex:1;display:flex;flex-direction:column}
.compare-body h3{font-size:22px;margin-bottom:14px}
.compare-body p{color:var(--ink-muted);line-height:1.85;margin-bottom:20px}
.compare-list{display:grid;gap:10px;margin-bottom:26px}
.compare-list li{display:flex;gap:10px;padding-left:2px;font-size:15px}
.compare-list li::before{content:"✓";font-weight:700;color:var(--primary);flex:0 0 auto}
.compare-card .btn{align-self:flex-start;margin-top:auto}
.conclusion-bar{margin-top:18px;background:linear-gradient(100deg,var(--primary-soft),#F3F8FD);border-left:4px solid var(--primary);border-radius:16px;padding:28px 34px;font-size:16px;color:var(--ink-strong);box-shadow:var(--shadow-md)}
.conclusion-bar strong{color:var(--primary-deep)}

/* ========== 主题主轴 ========== */
.topic-section{background:var(--surface);position:relative}
.topic-inner{display:grid;grid-template-columns:6fr 6fr;gap:44px}
.topic-list{display:flex;flex-direction:column}
.topic-item{border-bottom:1px solid var(--line-light);padding:26px 0 28px;display:grid;grid-template-columns:72px 1fr;gap:22px;transition:var(--transition)}
.topic-item:first-child{padding-top:6px}
.topic-index{font-family:"Inter",sans-serif;font-weight:800;font-size:26px;color:transparent;-webkit-text-stroke:1px rgba(25,104,200,.46);letter-spacing:-1px;line-height:1.3}
.topic-item h3{font-size:20px;margin-bottom:8px}
.topic-item p{color:var(--ink-muted);font-size:15px}
.topic-chart{box-shadow:var(--shadow-md);border-radius:var(--radius-xl);overflow:hidden;align-self:start}
.topic-chart img{width:100%;height:280px;object-fit:cover}
.topic-chart .tc-caption{background:var(--ink-strong);color:rgba(255,255,255,.72);padding:16px 24px;font-size:14px;display:flex;gap:10px;align-items:center}
.topic-chart .tc-caption .dot{background:var(--neon-cyan);box-shadow:0 0 10px var(--neon-cyan)}
.topic-tagbox{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;padding:5px 13px;background:var(--bg-soft);border:1px solid var(--line-light);border-radius:999px;font-size:13px;color:var(--ink-body)}
.chip small{color:var(--primary);margin-left:6px;font-family:"Inter",sans-serif;font-weight:600}

/* ========== 内容利用四步 ========== */
.work-section{background:var(--bg-body)}
.work-grid{display:grid;grid-template-columns:5fr 7fr;gap:50px;align-items:center}
.work-imgwrap{background:linear-gradient(145deg,#DDE9F5,#F6FAFE);border-radius:var(--radius-xl);padding:12px;box-shadow:var(--shadow-md)}
.work-imgwrap img{border-radius:calc(var(--radius-xl) - 8px);width:100%;height:320px;object-fit:cover}
.steps-list{display:grid;gap:26px}
.step-item{display:grid;grid-template-columns:56px 1fr;gap:20px;position:relative}
.step-item::before{content:"";position:absolute;left:21px;top:48px;width:2px;height:calc(100% - 22px);background:linear-gradient(180deg,rgba(25,230,196,.6),rgba(25,104,200,.15));border-radius:9px}
.step-item:last-child::before{display:none}
.step-num{width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line-light);box-shadow:var(--shadow-md);display:inline-flex;align-items:center;justify-content:center;font-weight:800;color:var(--primary-deep);font-family:"Inter",sans-serif;font-size:15px}
.step-item h4{font-size:18px;margin-bottom:6px}
.step-item p{color:var(--ink-muted);font-size:15px;line-height:1.75}

/* ========== 指标带 ========== */
.metric-band{background:var(--ink-strong);padding:44px 0;position:relative;overflow:hidden}
.metric-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(25,230,196,.16),transparent 32%),radial-gradient(circle at 81% 65%,rgba(214,154,45,.16),transparent 30%);pointer-events:none}
.metric-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:24px;position:relative}
.metric-item{border-left:1px solid rgba(255,255,255,.14);padding-left:24px;color:#fff}
.metric-item:first-child{border-left:none;padding-left:0}
.metric-num{display:flex;align-items:baseline;gap:4px;font-size:36px;font-weight:800;font-family:"Inter","Arial",sans-serif;letter-spacing:-1px;line-height:1.25}
.metric-num .unit{font-size:18px;color:var(--gold)}
.metric-label{color:rgba(255,255,255,.66);font-size:15px;margin-top:7px;line-height:1.55}
.metric-num.goal{color:var(--gold)}

/* ========== FAQ ========== */
.faq-section{background:var(--surface)}
.faq-wrap{display:grid;grid-template-columns:1fr 3fr;gap:40px}
.faq-title-side .section-title{margin-top:0}
.faq-title-side p{margin-bottom:30px}
.faq-list{border-top:1px solid var(--line-light)}
.faq-row{border-bottom:1px solid var(--line-light)}
.faq-q{display:flex;justify-content:space-between;gap:28px;width:100%;padding:22px 4px 22px 8px;text-align:left;font-size:17px;font-weight:600;color:var(--ink-strong);transition:var(--transition);border-radius:8px}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex:0 0 32px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line-light);display:inline-flex;align-items:center;justify-content:center;color:var(--primary);font-size:18px;transition:var(--transition);background:#fff}
.faq-row.is-open .faq-icon{transform:rotate(135deg);border-color:var(--primary);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-in-out}
.faq-a-inner{padding:0 40px 22px 10px;color:var(--ink-muted);line-height:1.85;font-size:15px}

/* ========== CTA 窄带 ========== */
.cta-banner{background:linear-gradient(118deg,#0E2236 0%,#123151 52%,#0A1E2E 100%);border-radius:24px;padding:54px 52px;color:#fff;display:grid;grid-template-columns:7fr 5fr;gap:34px;align-items:center;overflow:hidden;position:relative}
.cta-banner::after{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;background:radial-gradient(closest-side,rgba(214,154,45,.45),transparent);pointer-events:none}
.cta-banner h2{color:#fff;font-size:30px;margin-bottom:10px;line-height:1.35}
.cta-banner p{color:rgba(225,235,244,.86)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-right img{border-radius:18px;object-fit:cover;width:100%;height:242px;box-shadow:0 16px 42px rgba(0,0,0,.3)}
.cta-privacy{margin-top:16px;font-size:13px;color:rgba(255,255,255,.64)}
.cta-privacy button{color:var(--neon-cyan);text-decoration:underline;transition:var(--transition)}
.cta-privacy button:hover{color:#fff}

/* ========== 弹层 / 表单 ========== */
.modal{position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;padding:24px;visibility:hidden;opacity:0;transition:opacity .28s,visibility .28s}
.modal.is-open{visibility:visible;opacity:1}
.modal-backdrop{position:absolute;inset:0;background:rgba(5,12,20,.72);backdrop-filter:blur(4px)}
.modal-panel{position:relative;width:min(100%,540px);max-height:92vh;overflow:auto;background:var(--bg-body);border-radius:20px;padding:32px;box-shadow:0 24px 70px rgba(0,0,0,.32);transform:translateY(24px) scale(.98);transition:transform .3s ease}
.modal.is-open .modal-panel{transform:none}
.modal-close{position:absolute;right:14px;top:14px;width:38px;height:38px;border-radius:10px;background:rgba(232,239,245,.9);color:var(--ink-strong);display:inline-flex;align-items:center;justify-content:center;font-size:22px;transition:var(--transition);line-height:1}
.modal-close:hover{background:var(--ink-strong);color:#fff;transform:rotate(90deg)}
.modal-panel h3{font-size:24px;margin-bottom:4px}
.modal-panel .modal-sub{color:var(--ink-muted);font-size:14px;margin-bottom:24px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-weight:600;color:var(--ink-strong);font-size:14px;margin-bottom:7px}
.form-field label .required{color:#D1503A;margin-left:2px}
.form-control{width:100%;height:44px;padding:0 14px;border:1px solid #C7D3DE;border-radius:var(--radius-sm);background:#fff;transition:var(--transition);outline:none;color:var(--ink-strong)}
textarea.form-control{height:auto;min-height:96px;padding:10px 14px;resize:vertical}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(25,104,200,.15)}
.form-control.is-error{border-color:#D1503A;box-shadow:0 0 0 4px rgba(209,80,58,.12)}
.error-text{display:none;color:#C4422E;font-size:13px;margin-top:5px}
.error-text.show{display:block}
.form-check{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line-light);border-radius:10px;padding:12px 14px;cursor:pointer;margin-bottom:4px}
.form-check input{width:18px;height:18px;accent-color:var(--primary);margin-top:3px}
.form-check label{cursor:pointer;font-size:13px;color:var(--ink-muted);line-height:1.6}
.form-check label button{color:var(--primary);text-decoration:underline}
.form-submit{width:100%;margin-top:14px}
.form-foot-note{font-size:12px;color:var(--ink-muted);text-align:center;margin-top:12px}
.form-success{display:none;margin-top:14px;background:#DFF6EC;color:#177550;border-radius:12px;padding:12px 16px;font-size:14px;text-align:center}
.form-success.show{display:block}

/* ========== 页脚 ========== */
.site-footer{position:relative;background:#09111B;color:rgba(255,255,255,.68);margin-top:44px}
.site-footer::before{content:"";display:block;height:3px;background:linear-gradient(90deg,#19E6C4 0%,#0F6FDE 45%,#D69A2D 100%)}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.35fr;gap:40px;padding:64px 24px 42px}
.footer-main .brand{margin-bottom:16px}
.footer-main .brand-text{font-size:19px}
.footer-main .brand-text small{color:rgba(255,255,255,.42)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.56)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:"";display:block;width:20px;height:2px;background:var(--gold);border-radius:2px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;transition:var(--transition)}
.footer-col a:hover{color:var(--neon-cyan);text-decoration:underline}
.footer-col address{font-style:normal;font-size:14px;line-height:1.8;color:rgba(255,255,255,.56)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;font-size:13px;color:rgba(255,255,255,.44)}
.footer-copy{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.footer-copy a{color:var(--neon-cyan);border-bottom:1px solid transparent;transition:var(--transition)}
.footer-copy a:hover{border-color:var(--neon-cyan)}
.footer-ol{font-size:12px;letter-spacing:1px}

/* ========== 对比小徽章 ========== */
.path-chip{display:inline-flex;align-items:center;background:#EBF4FD;border:1px solid #CDE2F5;color:var(--primary-deep);border-radius:999px;padding:4px 14px;font-size:13px;font-weight:600}
.path-chip strong{background:var(--primary);border-radius:999px;color:#fff;padding:0 8px;margin-left:7px;font-size:12px}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .hero-title{font-size:39px}
  .topic-inner{grid-template-columns:1fr}
  .topic-chart{display:grid;grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:1fr 1fr;gap:30px 18px}
  .metric-item:nth-child(odd){border-left:none;padding-left:8px}
  .faq-wrap{grid-template-columns:1fr}
  .cta-banner{grid-template-columns:1fr;padding:40px}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding-block:64px}
  .m-nav{position:absolute;top:100%;left:0;right:0;background:var(--nav-bg);transform-origin:top;transform:rotateX(-8deg) scale(.98);opacity:0;visibility:hidden;pointer-events:none;transition:var(--transition);border-top:1px solid rgba(255,255,255,.06);box-shadow:0 28px 50px rgba(0,0,0,.32)}
  .m-nav.is-open{opacity:1;transform:none;visibility:visible;pointer-events:auto}
  .nav-links{flex-direction:column;padding:16px 24px 28px}
  .nav-links a{height:46px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:0;width:100%}
  .nav-links a::after{display:none !important}
  .nav-links a.is-active{color:var(--neon-cyan);background:linear-gradient(90deg,rgba(25,230,196,.12),transparent);text-shadow:0 0 12px rgba(25,230,196,.5)}
  .header-inner{min-height:70px}
  .header-cta .btn{display:none}
  .burger{display:flex}
  .footer-main{grid-template-columns:1fr;padding:48px 24px 30px}
  .footer-brand p{max-width:420px}
}
@media (max-width:520px){
  .cat-hero{padding:42px 0 56px}
  .hero-title{font-size:30px}
  .hero-lede{font-size:15px}
  .container{padding-inline:16px}
  .section-title{font-size:26px}
  .compare-grid,.work-grid{grid-template-columns:1fr}
  .compare-body{padding:22px}
  .conclusion-bar{padding:24px}
  .topic-chart{display:block}
  .topic-chart img{height:220px}
  .topic-item{grid-template-columns:50px 1fr;padding:22px 0}
  .step-item{grid-template-columns:48px 1fr}
  .metric-grid{grid-template-columns:1fr}
  .metric-item{padding-left:0;border-left:0;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08)}
  .metric-item:last-child{border-bottom:0}
  .faq-title-side .section-title{font-size:26px}
  .faq-a-inner{padding-right:4px;padding-left:6px}
  .modal{padding:0;align-items:flex-end}
  .modal-panel{width:100%;max-height:92vh;border-radius:24px 24px 0 0;padding:28px 20px}
  .modal.is-open .modal-panel{transform:translateY(0)}
  .cta-banner{padding:30px 22px}
  .cta-banner h2{font-size:24px}
  .footer-bottom{flex-direction:column;gap:4px}
  .footer-copy{flex-direction:column;gap:8px;justify-content:center;text-align:center;align-items:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg-body:#F4F7FA;
  --bg-soft:#E9EFF5;
  --surface:#FFFFFF;
  --ink-strong:#0A1E2E;
  --ink-body:#2E4255;
  --ink-muted:#60798C;
  --primary:#1968C8;
  --primary-deep:#0B3E86;
  --primary-soft:#E3EEF9;
  --gold:#D69A2D;
  --gold-deep:#A8751A;
  --neon-cyan:#19E6C4;
  --neon-cyan-soft:rgba(25,230,196,.15);
  --nav-bg:#0B1622;
  --line-light:#D8E2EC;
  --line-dark:#243A4E;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(10,30,46,.06);
  --shadow-lg:0 18px 36px rgba(10,30,46,.1);
  --header-h:76px;
  --container-max:1200px;
}
*{
  box-sizing:border-box;
  outline-color:rgba(25,104,200,.55);
}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
body{
  margin:0;
  background:var(--bg-body);
  color:var(--ink-body);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{
  overflow:hidden;
}
body, h1, h2, h3, h4, p, figure, ul, ol, dl, dd, blockquote{
  margin:0;
  padding:0;
}
img{
  max-width:100%;
  display:block;
  border:0;
}
ul, ol{
  list-style:none;
}
a{
  color:inherit;
  text-decoration:none;
}
button, input, select, textarea{
  font:inherit;
  color:inherit;
}
button{
  cursor:pointer;
  border:0;
  background:none;
}
.container{
  max-width:var(--container-max);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
section{
  position:relative;
}
.desktop-only{
  display:block;
}
.mobile-only{
  display:none;
}
.section{
  padding-top:96px;
  padding-bottom:96px;
}
.section-tight{
  padding-top:64px;
  padding-bottom:64px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:700;
  line-height:48px;
  text-align:center;
  white-space:nowrap;
  border:2px solid transparent;
  transition:all .25s ease;
}
.btn:focus-visible{
  outline:3px solid rgba(214,154,45,.4);
  outline-offset:3px;
}
.btn-neon{
  background:linear-gradient(135deg,#20eacb,#0bcfae);
  color:#062B24;
  border-color:rgba(255,255,255,.15);
  box-shadow:0 0 18px rgba(25,230,196,.3);
}
.btn-neon:hover{
  background:linear-gradient(135deg,#45f6da,#16e2c0);
  box-shadow:0 0 28px rgba(25,230,196,.55);
  color:#041811;
  transform:translateY(-1px);
}
.btn-gold{
  background:linear-gradient(135deg,#F4C25B,#CB8A1D);
  color:#211703;
  border-color:#CF942B;
  box-shadow:0 8px 22px rgba(214,154,45,.26);
}
.btn-gold:hover{
  background:linear-gradient(135deg,#FFD477,#D99A2C);
  box-shadow:0 0 0 4px rgba(214,154,45,.16),0 14px 26px rgba(214,154,45,.28);
  transform:translateY(-2px);
}
.btn-outline{
  border-color:#A7BFD7;
  color:var(--primary-deep);
  background:transparent;
}
.btn-outline:hover{
  background:var(--primary-deep);
  border-color:var(--primary-deep);
  color:#fff;
  box-shadow:var(--shadow);
  transform:translateY(-2px);
}
.btn-light-outline{
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-light-outline:hover{
  background:#fff;
  color:var(--nav-bg);
  border-color:#fff;
}

/* ---------- Site Header ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:80;
  background:rgba(11,22,34,.95);
  backdrop-filter:blur(12px);
  box-shadow:0 6px 24px rgba(4,12,22,.24);
}
.neon-border{
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,var(--neon-cyan) 0%,#58C3F2 40%,var(--gold) 100%);
  pointer-events:none;
}
.header-inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-glyph{
  width:32px;
  height:32px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(25,230,196,.55);
  border-radius:9px;
  background:linear-gradient(145deg,rgba(25,230,196,.16),rgba(23,104,200,.08));
  box-shadow:0 0 14px rgba(25,230,196,.22) inset;
  position:relative;
}
.brand-glyph i{
  width:9px;
  height:9px;
  border-radius:2px;
  background:var(--neon-cyan);
  box-shadow:0 0 9px rgba(25,230,196,.8);
}
.brand-text{
  display:flex;
  flex-direction:column;
  color:#F4FAFD;
  line-height:1.2;
  font-size:20px;
  font-weight:800;
  letter-spacing:.5px;
}
.brand-text small{
  font-size:11px;
  letter-spacing:1px;
  color:rgba(220,235,247,.48);
  font-weight:400;
  margin-top:3px;
  text-transform:uppercase;
}
.header-cta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.m-nav{
  margin-left:auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-links > li > a{
  display:block;
  padding:10px 16px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:rgba(232,241,248,.68);
  position:relative;
  transition:color .25s ease,background .25s ease;
}
.nav-links > li > a:hover{
  color:#ffffff;
  background:rgba(255,255,255,.05);
}
.nav-links > li > a.is-active{
  color:var(--neon-cyan);
  text-shadow:0 0 12px rgba(25,230,196,.38);
}
.nav-links > li > a.is-active::after,
.nav-links > li > a:hover::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--neon-cyan);
  box-shadow:0 0 10px rgba(25,230,196,.6);
}
.burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:0;
}
.burger span{
  width:18px;
  height:2px;
  background:#DCE9F4;
  border-radius:2px;
  display:block;
  transition:transform .25s ease,opacity .25s ease;
}
.burger.is-open span:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.burger.is-open span:nth-child(2){
  opacity:0;
}
.burger.is-open span:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--nav-bg);
  color:rgba(224,238,249,.72);
  position:relative;
  margin-top:0;
}
.site-footer .neon-border{
  position:absolute;
  bottom:auto;
  top:0;
}
.footer-main{
  display:grid;
  grid-template-columns:2.1fr 1fr 1.2fr 1.3fr;
  gap:48px;
  padding-top:72px;
  padding-bottom:48px;
}
.footer-brand .brand-text{
  color:#fff;
  font-size:20px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.9;
  color:#9AACBD;
  max-width:360px;
}
.footer-col h4{
  font-size:16px;
  color:#fff;
  font-weight:700;
  margin-bottom:20px;
  letter-spacing:.5px;
}
.footer-col ul li{
  margin-bottom:12px;
}
.footer-col ul li a,
.footer-col a{
  color:#9AAAB8;
  transition:color .2s ease;
  position:relative;
}
.footer-col ul li a:hover{
  color:var(--neon-cyan);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-col address{
  font-style:normal;
  font-size:15px;
  line-height:2.1;
  color:#9AAAB8;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:center;
  border-top:1px solid rgba(255,255,255,.09);
  padding-top:24px;
  padding-bottom:32px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(190,207,222,.5);
}
.footer-copy{
  display:flex;
  gap:18px;
  align-items:center;
  flex-wrap:wrap;
}
.footer-copy a{
  text-decoration:underline;
  text-underline-offset:3px;
  color:rgba(228,239,248,.62);
}
.footer-copy a:hover{
  color:var(--neon-cyan);
}
.footer-ol{
  font-size:13px;
  letter-spacing:.5px;
  color:rgba(190,207,222,.55);
}

/* ---------- Shared Page Hero ---------- */
.page-body{
  padding-top:var(--header-h);
}
.categ-hero{
  padding:84px 0 64px;
  background:
    radial-gradient(circle at 79% 18%,rgba(25,230,196,.12),transparent 24%),
    radial-gradient(circle at 35% 60%,rgba(105,160,214,.14),transparent 28%),
    linear-gradient(120deg,#F3F7FB 0%,#EAF0F7 50%,#F7F8FB 100%);
  overflow:hidden;
}
.categ-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:100%;
  pointer-events:none;
  background-image:radial-gradient(rgba(39,82,122,.16) 1px,transparent 1px);
  background-size:28px 28px;
  opacity:.34;
  z-index:0;
}
.categ-hero .container{
  position:relative;
  z-index:2;
}
.crumb{
  font-size:13px;
  color:var(--ink-muted);
  margin-bottom:34px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.crumb a{
  color:var(--primary);
}
.crumb a:hover{
  text-decoration:underline;
}
.crumb .sep{
  color:#A6B8C9;
}
.hero-item1{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:58px;
  align-items:center;
}
.categ-hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--primary-deep);
  margin-bottom:18px;
  background:var(--primary-soft);
  border:1px solid rgba(25,104,200,.12);
  border-radius:999px;
  padding:7px 15px;
}
.eyebrow::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--neon-cyan);
  box-shadow:0 0 10px rgba(25,230,196,.9);
}
.h1-title{
  font-size:44px;
  line-height:1.25;
  font-weight:800;
  color:var(--ink-strong);
  letter-spacing:-.5px;
  max-width:600px;
}
.h1-title .line-glow{
  color:var(--primary-deep);
  background:linear-gradient(180deg,transparent 62%,rgba(25,230,196,.28) 62%);
  display:inline;
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:#33506A;
  max-width:590px;
  margin-top:22px;
}
.hero-btns{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.trust-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  color:var(--ink-muted);
  font-size:13px;
  margin-top:32px;
  align-items:center;
}
.trust-line span{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.trust-line span::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:#8CB6E7;
}
.hero-media{
  position:relative;
}
.hero-media-inner{
  border-radius:26px;
  padding:10px 10px 16px;
  background:linear-gradient(145deg,rgba(255,255,255,.9),rgba(234,241,248,.72));
  border:1px solid rgba(255,255,255,.85);
  box-shadow:var(--shadow-lg);
  transform:rotate(.4deg);
}
.hero-media-inner img{
  width:100%;
  height:340px;
  object-fit:cover;
  border-radius:18px;
}
.hero-float-card{
  position:absolute;
  left:-26px;
  bottom:-6px;
  background:rgba(11,22,34,.9);
  backdrop-filter:blur(8px);
  border:1px solid rgba(25,230,196,.2);
  color:#fff;
  border-radius:16px;
  padding:14px 20px;
  font-size:14px;
  box-shadow:0 16px 30px rgba(10,30,46,.2);
  display:flex;
  gap:14px;
  align-items:center;
}
.hero-float-card i{
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--neon-cyan);
  box-shadow:0 0 10px var(--neon-cyan);
}
.hero-float-card small{
  display:block;
  color:rgba(220,235,247,.66);
  font-size:12px;
  margin-top:3px;
}

/* category lead intro */
.cat-lead{
  padding:84px 0 36px;
  background:var(--bg-body);
}
.lead-brief{
  position:relative;
  background:#fff;
  border-radius:20px;
  box-shadow:var(--shadow);
  padding:46px 48px;
  border-left:4px solid var(--gold);
}
.lead-brief h2{
  font-size:28px;
  font-weight:800;
  color:var(--ink-strong);
  line-height:1.5;
  margin-bottom:20px;
}
.lead-brief p{
  color:var(--ink-body);
  line-height:2;
  font-size:16px;
  max-width:1000px;
}

/* Section heads */
.section-head{
  max-width:780px;
  margin-bottom:48px;
}
.section-head.center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.sec-no{
  display:inline-flex;
  align-items:center;
  font-family:"Inter",system-ui,sans-serif;
  font-weight:700;
  font-size:13px;
  color:var(--gold-deep);
  letter-spacing:1px;
  background:rgba(214,154,45,.12);
  padding:5px 13px;
  border-radius:999px;
  margin-bottom:18px;
}
.section-title{
  font-size:32px;
  line-height:1.35;
  font-weight:800;
  letter-spacing:-.3px;
  color:var(--ink-strong);
}
.section-sub{
  color:var(--ink-muted);
  font-size:16px;
  margin-top:16px;
  line-height:1.85;
}

/* Process area*/
.process-area{
  background:linear-gradient(180deg,#F4F7FA 0%,#EDF3F9 100%);
}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.process-grid::before{
  content:"";
  position:absolute;
  top:48px;
  left:4%;
  right:4%;
  height:2px;
  background:linear-gradient(90deg,rgba(25,230,196,.5),rgba(25,104,200,.28),rgba(214,154,45,.26));
  z-index:0;
}
.process-card{
  background:#fff;
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:30px 24px 34px;
  position:relative;
  z-index:2;
  border-top:4px solid transparent;
  transition:box-shadow .25s ease,transform .25s ease;
}
.process-card:nth-child(1){
  border-top-color:var(--neon-cyan);
}
.process-card:nth-child(2){
  border-top-color:#4DAAE0;
}
.process-card:nth-child(3){
  border-top-color:var(--primary);
}
.process-card:nth-child(4){
  border-top-color:var(--gold);
}
.process-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.step-node{
  width:52px;
  height:52px;
  border-radius:14px;
  background:linear-gradient(145deg,#0E2638,#102E42);
  border:1px solid rgba(25,230,196,.16);
  color:var(--neon-cyan);
  font-weight:800;
  font-family:"Inter",system-ui,sans-serif;
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  box-shadow:0 0 0 6px rgba(25,230,196,.07);
}
.process-card:nth-child(2) .step-node{
  color:#78C1F0;
  border-color:rgba(90,171,239,.2);
  box-shadow:0 0 0 6px rgba(90,171,239,.07);
}
.process-card:nth-child(3) .step-node{
  color:#57A5E5;
  border-color:rgba(25,104,200,.2);
  box-shadow:0 0 0 6px rgba(25,104,200,.07);
}
.process-card:nth-child(4) .step-node{
  color:#F0B84D;
  border-color:rgba(214,154,45,.25);
  box-shadow:0 0 0 6px rgba(214,154,45,.07);
}
.process-card h3{
  font-size:20px;
  color:var(--ink-strong);
  font-weight:800;
  margin-bottom:10px;
  line-height:1.45;
}
.process-card p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-body);
}

/* Checklist */
.checklist-area{
  background:#fff;
}
.check-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:center;
}
.check-media{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(214,154,45,.18);
}
.check-media img{
  width:100%;
  height:560px;
  object-fit:cover;
}
.check-media .media-note{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  background:rgba(10,30,46,.84);
  backdrop-filter:blur(6px);
  color:#fff;
  border-radius:14px;
  padding:18px 20px;
  font-size:14px;
  border-left:3px solid var(--neon-cyan);
}
.check-media .media-note strong{
  display:block;
  color:#fff;
  font-size:15px;
  margin-bottom:5px;
}
.check-list-items{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}
.check-item{
  border:1px solid var(--line-light);
  border-radius:16px;
  padding:22px 20px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  background:#FAFCFD;
}
.check-item:hover{
  transform:translateY(-3px);
  background:#fff;
  border-color:#BFD7EA;
  box-shadow:var(--shadow);
}
.check-item .check-ico{
  width:26px;
  height:26px;
  border-radius:8px;
  background:rgba(25,230,196,.14);
  border:1px solid rgba(25,230,196,.3);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#0BA98E;
  font-size:14px;
  margin-bottom:12px;
}
.check-item h3{
  font-size:17px;
  font-weight:800;
  color:var(--ink-strong);
  margin:6px 0 6px;
  line-height:1.5;
}
.check-item p{
  font-size:14px;
  color:var(--ink-muted);
  line-height:1.85;
}
.check-note{
  grid-column:1 / -1;
  background:linear-gradient(135deg,#E6F3FF,#EAF7F5);
  border:1px solid rgba(25,104,200,.18);
  border-radius:18px;
  padding:24px 26px;
  display:flex;
  gap:20px;
  align-items:center;
  margin-top:6px;
}
.check-note i{
  width:10px;
  height:10px;
  flex-shrink:0;
  border-radius:3px;
  background:var(--gold);
  box-shadow:0 0 10px var(--gold);
}
.check-note p{
  color:var(--ink-body);
  font-size:15px;
}

/* FAQ area */
.faq-area{
  background:var(--bg-soft);
}
.faq-wrap{
  display:grid;
  grid-template-columns:27% 73%;
  gap:44px;
  align-items:start;
}
.faq-intro .section-title{
  font-size:30px;
}
.faq-aside-link{
  margin-top:22px;
  background:#fff;
  border-radius:16px;
  padding:20px;
  box-shadow:var(--shadow);
  border-left:4px solid var(--gold);
}
.faq-aside-link strong{
  display:block;
  color:var(--ink-strong);
  margin-bottom:8px;
  font-size:16px;
}
.faq-aside-link span{
  font-size:13px;
  color:var(--ink-muted);
}
.faq-aside-link .btn{
  margin-top:16px;
  width:100%;
  height:42px;
  line-height:42px;
  font-size:14px;
}
.faq-list_detail{
  position:relative;
}
.faq-detail{
  background:#fff;
  margin-bottom:16px;
  border-radius:16px;
  box-shadow:var(--shadow);
  overflow:hidden;
  border:1px solid #EDF2F7;
}
.faq-q{
  list-style:none;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0;
}
.faq-q::-webkit-details-marker{
  display:none;
}
.faq-q summary{
  padding:22px 24px;
  display:flex;
  align-items:center;
  gap:16px;
  cursor:pointer;
  font-weight:700;
  color:var(--ink-strong);
  font-size:17px;
  position:relative;
  transition:background .2s;
  user-select:none;
}
.faq-detail[open] .faq-q summary{
  background:#F4F9FE;
}
.faq-q summary:hover{
  background:#F5F9FD;
}
.faq-arrow{
  width:10px;
  height:10px;
  margin-left:auto;
  flex-shrink:0;
  position:relative;
}
.faq-arrow::before,
.faq-arrow::after{
  content:"";
  position:absolute;
  top:4px;
  width:9px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transition:transform .25s;
}
.faq-arrow::before{
  left:0;
  transform:rotate(45deg);
}
.faq-arrow::after{
  right:0;
  transform:rotate(-45deg);
}
.faq-detail[open] .faq-arrow::before{
  transform:rotate(-45deg);
}
.faq-detail[open] .faq-arrow::after{
  transform:rotate(45deg);
}
.faq-a{
  padding:0 26px 22px 44px;
  color:var(--ink-body);
  font-size:15px;
  line-height:2;
}
.q-num{
  font-weight:800;
  font-size:14px;
  font-family:"Inter",system-ui,sans-serif;
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--primary-soft);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}

/* narrow CTA banner */
.cta-banner-wrap{
  padding:64px 0 88px;
}
.cta-banner{
  background:linear-gradient(120deg,#071421,#0F2B3F 68%,#173C50);
  border-radius:26px;
  padding:60px 56px;
  position:relative;
  overflow:hidden;
  color:#fff;
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:36px;
  align-items:center;
  box-shadow:0 30px 60px rgba(10,30,46,.16);
}
.cta-banner::before{
  content:"";
  position:absolute;
  width:290px;
  height:290px;
  right:-80px;
  top:-80px;
  background:radial-gradient(circle,rgba(25,230,196,.2),transparent 70%);
}
.cta-banner::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--neon-cyan),transparent 40%,var(--gold));
  opacity:.8;
}
.cta-copy h2{
  font-size:28px;
  line-height:1.5;
  font-weight:800;
  color:#fff;
}
.cta-copy p{
  margin-top:12px;
  color:rgba(222,235,247,.78);
  font-size:15px;
  max-width:620px;
}
.cta-btns{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
}
.cta-asset{
  border-radius:18px;
  overflow:hidden;
  max-height:220px;
  position:relative;
}
.cta-asset img{
  width:100%;
  height:200px;
  object-fit:cover;
  opacity:.9;
}

/* Modal */
.modal-mask{
  position:fixed;
  inset:0;
  background:rgba(8,22,34,.72);
  backdrop-filter:blur(6px);
  z-index:120;
  display:none;
  justify-content:center;
  align-items:flex-start;
  padding:80px 16px 40px;
  overflow-y:auto;
}
.modal-mask.show{
  display:flex;
}
.modal-shell{
  width:100%;
  max-width:620px;
  background:#fff;
  border-radius:24px;
  box-shadow:0 34px 70px rgba(4,12,22,.45);
  position:relative;
  animation:modalPop .28s ease;
}
@keyframes modalPop{
  from{opacity:0;transform:translateY(20px) scale(.98);}
  to{opacity:1;transform:translateY(0) scale(1);}
}
.modal-close{
  position:absolute;
  top:18px;
  right:18px;
  width:36px;
  height:36px;
  border-radius:50%;
  background:#EFF4F9;
  color:#334A5D;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  transition:background .2s,color .2s;
}
.modal-close:hover{
  background:var(--line-light);
  color:var(--primary-deep);
}
.modal-body{
  padding:40px 40px 44px;
}
.modal-body .m-title{
  font-size:24px;
  color:var(--ink-strong);
  font-weight:800;
  line-height:1.5;
}
.modal-body .m-sub{
  color:var(--ink-muted);
  font-size:14px;
  margin-top:8px;
  margin-bottom:28px;
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.form-field{
  display:flex;
  flex-direction:column;
}
.form-field.form-full{
  grid-column:1 / -1;
}
.form-field label{
  font-size:13px;
  font-weight:700;
  color:var(--ink-strong);
  margin-bottom:7px;
}
.form-field label em{
  color:#CB5C4B;
  font-style:normal;
  margin-left:3px;
}
.form-field input,
.form-field select,
.form-field textarea{
  height:44px;
  border:1px solid #C7D3DE;
  border-radius:10px;
  background:#fff;
  padding:0 14px;
  color:var(--ink-strong);
  transition:border .2s,box-shadow .2s;
  font-size:14px;
  width:100%;
}
.form-field textarea{
  height:100px;
  padding-top:11px;
  resize:vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(25,104,200,.14);
  outline:none;
}
.form-field input.has-error,
.form-field select.has-error,
.form-field textarea.has-error{
  border-color:#D5624E;
  background:#FFF8F7;
}
.error-tip{
  color:#C94F42;
  font-size:13px;
  margin-top:6px;
  display:none;
}
.error-tip.show{
  display:block;
}
.privacy-box{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--ink-muted);
  margin-top:24px;
  cursor:pointer;
}
.privacy-box input{
  width:17px;
  height:17px;
  margin-top:3px;
  accent-color:var(--gold);
  cursor:pointer;
}
.privacy-box a{
  color:var(--primary);
  text-decoration:underline;
}
.privacy-box a:hover{
  color:var(--primary-deep);
}
.form-submit{
  margin-top:22px;
}
.form-success{
  padding:26px;
  border-radius:14px;
  background:#F1FBF8;
  border:1px solid rgba(25,230,196,.35);
  text-align:center;
  color:#0B7261;
  font-weight:700;
  margin-top:20px;
  display:none;
}
.form-success.show{
  display:block;
}

/* privacy modal */
.privacy-detail{
  max-width:680px;
}
.privacy-detail .modal-body h3{
  color:var(--ink-strong);
  font-size:20px;
  margin-bottom:8px;
}
.privacy-detail .modal-body p{
  font-size:14px;
  color:var(--ink-body);
  margin-top:12px;
  line-height:1.9;
}
.privacy-detail .modal-body ul{
  margin-top:12px;
  font-size:14px;
  color:var(--ink-body);
  line-height:1.9;
  padding-left:18px;
  list-style:disc;
}
.privacy-detail .modal-body ul li{
  margin-bottom:6px;
}

/* Responsive */
@media (max-width:1024px){
  .nav-links > li > a{
    padding:10px 10px;
    font-size:14px;
  }
  .brand-text{
    font-size:18px;
  }
  .header-inner{
    gap:14px;
  }
  .hero-item1{
    gap:36px;
    grid-template-columns:1fr 1fr;
  }
  .h1-title{
    font-size:36px;
  }
  .hero-media-inner img{
    height:300px;
  }
  .process-grid{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
  .process-grid::before{
    display:none;
  }
  .check-grid{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
  .check-media img{
    height:520px;
  }
  .footer-main{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
  .cta-banner{
    grid-template-columns:1fr;
  }
  .cta-btns{
    justify-content:flex-start;
  }
}
@media (max-width:768px){
  .m-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    background:rgba(8,20,31,.98);
    padding:18px 20px 24px;
    margin:0;
    border-top:1px solid rgba(255,255,255,.06);
    box-shadow:0 18px 28px rgba(6,15,24,.3);
    transform:translateY(-16px);
    opacity:0;
    visibility:hidden;
    transition:all .3s ease;
    z-index:70;
  }
  .m-nav.open{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
  }
  .nav-links{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-links > li > a{
    padding:15px 8px;
    color:rgba(232,241,248,.82);
    border-bottom:1px solid rgba(255,255,255,.05);
  }
  .nav-links > li > a:hover{
    background:rgba(255,255,255,.03);
  }
  .nav-links > li > a.is-active{
    color:var(--neon-cyan);
  }
  .burger{
    display:inline-flex;
  }
  .header-cta .btn{
    margin-right:4px;
  }
  .page-body{
    padding-top:calc(var(--header-h) + 2px);
  }
  .categ-hero{
    padding-top:60px;
    padding-bottom:52px;
  }
  .hero-item1{
    grid-template-columns:1fr;
  }
  .hero-media{
    margin-top:20px;
  }
  .hero-media-inner img{
    height:300px;
  }
  .hero-float-card{
    left:16px;
    right:16px;
    bottom:-8px;
  }
  .lead-brief{
    padding:32px 28px;
  }
  .section{
    padding-top:72px;
    padding-bottom:72px;
  }
  .section-title{
    font-size:28px;
  }
  .process-grid{
    grid-template-columns:1fr;
  }
  .check-grid{
    grid-template-columns:1fr;
  }
  .check-media{
    position:relative;
    top:auto;
  }
  .check-media img{
    height:320px;
  }
  .faq-wrap{
    grid-template-columns:1fr;
    gap:8px;
  }
  .cta-banner{
    padding:44px 30px;
  }
  .footer-main{
    grid-template-columns:1fr 1fr;
  }
  .footer-brand{
    grid-column:1 / -1;
  }
  .modal-mask{
    padding:60px 12px 24px;
    align-items:flex-start;
  }
  .modal-body{
    padding:34px 20px 22px;
  }
  .form-row{
    grid-template-columns:1fr;
    gap:14px;
  }
  .form-field.form-full{
    grid-column:auto;
  }
}
@media (max-width:520px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .brand-text{
    font-size:17px;
    line-height:1.2;
  }
  .brand-text small{
    font-size:10px;
  }
  .header-cta .btn{
    width:36px;
    height:36px;
    padding:0;
    font-size:0;
    border-radius:10px;
    line-height:1;
  }
  .header-cta .btn::before{
    content:"咨询";
    font-size:13px;
    font-weight:700;
  }
  .categ-hero{
    padding-top:36px;
  }
  .h1-title{
    font-size:30px;
  }
  .herolead{
    font-size:16px;
  }
  .hero-media-inner img{
    height:220px;
  }
  .hero-float-card{
    padding:12px 14px;
    font-size:13px;
  }
  .lead-brief{
    padding:26px 20px;
  }
  .section-title{
    font-size:25px;
  }
  .section{
    padding-top:56px;
    padding-bottom:56px;
  }
  .process-grid{
    grid-template-columns:1fr;
  }
  .style-item{
    grid-template-columns:1fr;
  }
  .check-list-items{
    grid-template-columns:1fr;
  }
  .check-note{
    flex-direction:column;
    align-items:flex-start;
    padding:18px;
  }
  .footer-main{
    grid-template-columns:1fr;
    gap:30px;
    padding-top:56px;
    padding-bottom:30px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
    padding-top:18px;
    gap:14px;
  }
  .footer-copy{
    flex-direction:column;
    align-items:flex-start;
    gap:9px;
  }
  .cta-banner{
    padding:32px 20px;
  }
  .cta-copy h2{
    font-size:24px;
  }
  .cta-btns .btn{
    width:100%;
  }
  .modal-mask{
    align-items:flex-end;
    padding:0;
  }
  .modal-shell{
    max-width:100%;
    border-radius:24px 24px 0 0;
    max-height:92vh;
    overflow-y:auto;
  }
  .modal-body{
    padding:36px 18px 26px;
  }
  .form-row{
    grid-template-columns:1fr;
  }
}
@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}