/* roulang page: index */
:root{
  --primary:#2B7FA5;
  --primary-deep:#185E78;
  --primary-tint:#E9F2F7;
  --accent:#F2A33C;
  --accent-deep:#E08A1B;
  --accent-ink:#2A1D0B;
  --bg:#F3F7FA;
  --surface:#FFFFFF;
  --surface-soft:#EAF0F4;
  --line:#DCE6EB;
  --text:#162A33;
  --text-soft:#5E7783;
  --text-faint:#92A8B3;
  --success:#4FAE84;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 10px 30px rgba(17,57,76,.08);
  --shadow-hover:0 16px 36px rgba(17,57,76,.14);
  --font-sans:-apple-system,BlinkMacSystemFont,"Noto Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  min-width:320px;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--primary-deep);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary)}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:800;color:var(--text);line-height:1.35}
.grid-container{max-width:1220px;padding-left:24px;padding-right:24px;margin:0 auto}
.grid-container.wide{max-width:1400px}
.skip-link{position:absolute;left:-999px;top:0;z-index:10000;background:#ffffff;padding:12px 20px;border-radius:0 0 10px 0}
.skip-link:focus{left:0}

/* header double rows */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--line),0 8px 24px rgba(28,61,77,.05);
}
.brand-bar{padding-top:14px;padding-bottom:10px;background:#fff;border-bottom:1px solid var(--line)}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{flex:0 0 auto;width:46px;height:46px}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-word{display:flex;flex-direction:column;line-height:1.15;letter-spacing:.02em}
.brand-title{font-size:20px;font-weight:800;color:var(--primary-deep)}
.brand-sub{font-size:12px;font-weight:600;color:var(--text-soft);letter-spacing:.3em;text-indent:.1em}
.brand-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.header-helper{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--text-soft);padding:8px 4px}
.header-helper i{font-style:normal;font-size:18px;line-height:1}
.header-helper:hover{color:var(--primary)}
.channel-bar{background:#fff;border-bottom:1px solid var(--line)}
.channel-nav-wrap{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav-wrap::-webkit-scrollbar{display:none}
.channel-nav{display:flex;align-items:center;gap:6px;white-space:nowrap;padding:0 0;min-height:52px}
.nav-item{
  display:inline-flex;align-items:center;height:38px;padding:0 17px;
  border-radius:999px;font-size:15px;font-weight:600;color:var(--text-soft);
  background:transparent;border:1px solid transparent;transition:all .25s ease;
}
.nav-item:hover{color:var(--primary-deep);background:var(--primary-tint);border-color:transparent}
.nav-item.active{background:var(--primary-tint);color:var(--primary-deep);font-weight:700}
.nav-item.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:7px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 28px;border-radius:999px;
  font-size:15.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s;
  text-align:center;line-height:1;text-decoration:none;
}
.btn:focus-visible,.nav-item:focus-visible,.accordion-title:focus-visible,.close-button:focus-visible{
  outline:3px solid rgba(43,127,165,.4);outline-offset:2px;
}
.btn-accent{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 20px rgba(242,163,60,.24)}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px rgba(224,138,27,.26)}
.btn-accent:active{transform:translateY(0) scale(.98)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(43,127,165,.2)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:#fff;color:var(--primary-deep);border-color:rgba(43,127,165,.35)}
.btn-outline:hover{background:var(--primary-tint);color:var(--primary-deep);transform:translateY(-2px);border-color:rgba(43,127,165,.6)}
.btn-outline:active{transform:translateY(0) scale(.98)}
.btn-light{background:rgba(255,255,255,.92);color:var(--primary-deep);box-shadow:0 6px 16px rgba(17,57,76,.06)}
.btn-light:hover{background:#fff;color:var(--primary-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(17,57,76,.12)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-lg{min-height:52px;padding:0 36px;font-size:16px}

/* section rhythm */
.section{padding:96px 0 96px}
.section-gray{background:var(--surface-soft)}
.section-white{background:#fff}
.section .section-head{margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-title{font-size:32px;font-weight:800;line-height:1.3;letter-spacing:.01em}
.section-lead{margin-top:14px;max-width:860px;color:var(--text-soft);font-size:16px;line-height:1.8}
@media(max-width:767px){
  .section{padding:64px 0}
  .section-title{font-size:24px;line-height:1.35}
  .section-lead{font-size:15px}
}

/* hero */
.hero-section{position:relative;background:linear-gradient(180deg,#eef5f9 0%,#f7fafc 100%);overflow:hidden;border-bottom:1px solid var(--line)}
.hero-section::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  opacity:.12;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:38px;min-height:600px}
.hero-copy{flex:1 1 56%;max-width:640px;padding:30px 0}
.hero-media{flex:1 1 44%;max-width:500px;margin-left:auto;position:relative}
.hero-eyebrow{background:rgba(233,242,247,.9);border:1px solid rgba(43,127,165,.25);padding:8px 14px;border-radius:999px;color:var(--primary-deep)}
.hero-eyebrow::before{display:none}
.hero-eyebrow .dot{width:7px;height:7px;background:var(--success);border-radius:50%;box-shadow:0 0 0 4px rgba(79,174,132,.18)}
.hero-title{font-size:42px;font-weight:800;line-height:1.26;letter-spacing:0;margin-top:22px}
.hero-title .hl{color:var(--primary);position:relative;white-space:nowrap}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:var(--text-soft);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:20px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-faint)}
.hero-note svg{width:16px;height:16px;flex:0 0 auto}
.hero-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card),0 24px 60px rgba(23,64,87,.12);
  border:1px solid rgba(220,230,235,.8);
}
.hero-card-img{overflow:hidden;background:var(--surface-soft)}
.hero-card-img img{width:100%;aspect-ratio:4/4.2;object-fit:cover}
.hero-card-float{
  position:absolute;bottom:-18px;left:-22px;
  background:rgba(255,255,255,.96);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:14px 18px;
  box-shadow:var(--shadow-card);display:flex;align-items:center;gap:12px;
  max-width:300px;
}
.float-badge{width:34px;height:34px;flex:0 0 auto;background:var(--primary-tint);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary-deep)}
.float-badge svg{width:19px;height:19px}
.hero-card-float strong{display:block;font-size:14px;color:var(--text)}
.hero-card-float span{font-size:12px;color:var(--text-soft)}
@media(max-width:1023px){
  .hero-inner{flex-direction:column;gap:40px;padding-top:50px;padding-bottom:60px}
  .hero-copy{max-width:760px;flex:1 1 auto}
  .hero-media{flex:1 1 auto;margin:0 auto;width:100%;max-width:460px}
  .hero-title{font-size:34px}
}
@media(max-width:767px){
  .hero-title{font-size:28px;line-height:1.35}
  .hero-title .hl{white-space:normal}
  .hero-actions .btn{width:100%}
  .hero-card-float{left:-8px;bottom:-16px;right:-8px;max-width:none}
  .hero-copy{padding-top:12px}
}

/* tag / chips */
.chip{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:999px;background:var(--primary-tint);color:var(--primary-deep);font-size:12px;font-weight:600}
.chip-accent{background:rgba(242,163,60,.15);color:#8a5914}
.chip-success{background:rgba(79,174,132,.14);color:#2e7f5c}
.chip-line{background:#fff;border:1px solid var(--line);color:var(--text-soft)}
.chip i{font-style:normal;width:7px;height:7px;background:var(--success);border-radius:50%;display:inline-block}
.micro-tag{display:inline-block;border-radius:6px;padding:2px 8px;background:var(--surface-soft);font-size:11px;color:var(--text-faint);font-weight:600}

/* pain section */
.pain-section{background:#fff}
.pain-intro{display:flex;align-items:flex-start;gap:12px;margin-bottom:8px;color:var(--text)}
.pain-wrap{display:grid;grid-template-columns:minmax(0,46%) 1fr;gap:40px;align-items:stretch;margin-top:20px}
.pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-content:start}
.pain-item{
  background:var(--bg);border-radius:var(--radius-md);
  border:1px solid var(--line);padding:18px 20px;
  transition:border-color .2s,background .2s,box-shadow .3s;
}
.pain-item:hover{border-color:rgba(43,127,165,.4);background:var(--primary-tint);box-shadow:var(--shadow-card)}
.pain-item p{font-size:15px;font-weight:700;line-height:1.5;margin-bottom:10px}
.pain-item .tag-row{display:flex;flex-wrap:wrap;gap:6px}
.pain-flow{
  background:var(--primary-tint);
  border:1px solid rgba(43,127,165,.25);
  border-radius:var(--radius-lg);
  padding:26px 28px;
}
.pain-flow-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.pain-flow-title{font-size:16px;font-weight:700;color:var(--primary-deep)}
.pain-flow-title i{font-style:normal;margin-right:7px}
.pain-flow-top a{font-size:13px;font-weight:600;color:var(--primary-deep)}
.flow-steps{margin-top:6px}
.flow-step{position:relative;padding:0 0 24px 48px;font-size:14px;color:var(--text-soft)}
.flow-step:last-child{padding-bottom:0}
.flow-step::before{
  content:"";position:absolute;left:15px;top:32px;bottom:0;width:2px;
  background:rgba(43,127,165,.2);
}
.flow-step:last-child::before{display:none}
.step-num{
  position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
}
.flow-step strong{display:block;color:var(--text);font-size:15px;margin-bottom:6px}
.flow-arrow{color:var(--primary);margin-right:4px}
@media(max-width:767px){
  .pain-wrap{grid-template-columns:1fr;gap:26px}
  .pain-list{grid-template-columns:1fr}
  .section-btn-full .btn{width:100%}
}

/* guide cards */
.guide-section{background:var(--bg)}
.guide-block{
  display:flex;align-items:center;gap:44px;
  padding:34px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid rgba(220,230,235,.7);
  box-shadow:var(--shadow-card);
  margin-bottom:24px;
  transition:box-shadow .3s,transform .3s;
}
.guide-block:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.guide-media{flex:0 1 41%;overflow:hidden;border-radius:var(--radius-md);background:var(--surface-soft);max-height:310px}
.guide-media img{width:100%;height:260px;object-fit:cover}
.guide-media-text{background:var(--primary-tint);display:flex;align-items:center;justify-content:center;min-height:260px;padding:24px;font-size:15px;line-height:1.7;color:var(--text-soft);font-weight:500;border-radius:var(--radius-md)}
.guide-media-text strong{display:block;color:var(--primary-deep);font-size:18px;margin-bottom:8px}
.guide-content{flex:1 1 59%;max-width:600px}
.guide-kicker{display:inline-block;font-size:13px;font-weight:700;color:var(--accent-deep);margin-bottom:12px;letter-spacing:.06em}
.guide-title{font-size:24px;font-weight:800;line-height:1.4;margin-bottom:12px}
.guide-desc{font-size:15.5px;line-height:1.85;color:var(--text-soft);margin-bottom:18px}
.guide-checks{display:grid;gap:8px;margin:16px 0 20px}
.guide-check{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;line-height:1.65;color:var(--text-soft)}
.guide-check svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;color:var(--success)}
.guide-diff{background:var(--surface-soft);border-radius:var(--radius-md);padding:14px 16px;font-size:13px;line-height:1.7;color:var(--text-soft);display:flex;gap:10px;align-items:flex-start;margin:14px 0 20px}
.guide-diff svg{width:17px;height:17px;flex:0 0 auto;color:var(--accent-deep);margin-top:3px}
.guide-more{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:4px}
.guide-more .btn{min-height:42px}
@media(max-width:1023px){
  .guide-block{flex-direction:column;gap:14px;padding:22px}
  .guide-media,.guide-content{flex:auto;width:100%}
  .guide-media img,.guide-media-text{height:200px;min-height:120px}
  .guide-media-text{min-height:120px}
}
@media(max-width:520px){
  .guide-title{font-size:20px}
  .guide-block{padding:16px}
  .guide-media img,.guide-media-text{height:170px}
}

/* FAQ */
.faq-section{background:var(--surface)}
.faq-wrap{max-width:900px;margin:0 auto}
.accordion.c-faq .accordion-item{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:none;
  transition:background .3s,box-shadow .3s;
}
.accordion.c-faq .accordion-item:hover{box-shadow:var(--shadow-card)}
.accordion.c-faq .accordion-title{
  background:transparent;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  border:none!important;
  position:relative;
  margin:0;
  line-height:1.6;
}
.accordion.c-faq .accordion-title::before{
  content:"";
  order:3;
  margin-left:auto;
  background:var(--primary-tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23185E78' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/14px no-repeat;
  width:28px;height:28px;border-radius:50%;
  transition:transform .3s ease,background-color .3s;
}
.accordion.c-faq .is-active>.accordion-title::before{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23185E78' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
  transform:rotate(180deg);
}
.accordion.c-faq .accordion-title:hover{color:var(--primary-deep)}
.accordion.c-faq .accordion-content{
  background:transparent;
  border:none;
  padding:0 24px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-soft);
  max-width:780px;
}
.accordion.c-faq .accordion-content a{font-weight:600;color:var(--primary-deep);text-decoration:underline}
.accordion.c-faq .accordion-content p{margin-bottom:8px}
@media(max-width:767px){
  .accordion.c-faq .accordion-title{padding:16px;font-size:15.5px}
  .accordion.c-faq .accordion-content{padding:0 16px 18px;font-size:14px}
}

/* data panel */
.stats-section{background:var(--bg);position:relative;overflow:hidden}
.stats-panel{
  background:var(--primary-deep);
  border-radius:var(--radius-lg);
  padding:54px 48px;
  color:#fff;
  box-shadow:0 20px 50px rgba(24,94,120,.24);
  position:relative;
  overflow:hidden;
}
.stats-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.04);pointer-events:none;
}
.stats-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start;margin-bottom:40px}
.stats-quote{max-width:540px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.7)}
.stats-quote svg{display:inline;width:16px;height:16px;margin-right:6px;color:var(--accent)}
.stats-more{font-size:13px;font-weight:700;color:var(--accent)}
.stats-more:hover{color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-item{border-left:1px solid rgba(255,255,255,.15);padding-left:26px}
.stat-num{display:flex;align-items:baseline;font-size:48px;font-weight:800;letter-spacing:-.02em;color:#fff;font-variant-numeric:tabular-nums;line-height:1}
.stat-num em{font-style:normal;color:var(--accent);font-size:26px;margin-right:5px}
.stat-unit{font-size:18px;font-weight:700;color:var(--accent);margin-left:3px}
.stat-label{margin-top:10px;font-size:15px;color:rgba(255,255,255,.88)}
.stat-sub{margin-top:5px;font-size:13px;color:rgba(255,255,255,.45)}
@media(max-width:1023px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stats-panel{padding:36px 24px}
}
@media(max-width:520px){
  .stats-grid{grid-template-columns:1fr}
  .stat-item {border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}
  .stat-num{font-size:40px}
}

/* cms list */
.cms-section{background:#fff;padding-bottom:96px;border-bottom:1px solid var(--line)}
.cms-headline{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.cms-headline .section-title{margin-bottom:0}
.cms-all-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--text-soft);font-size:15px}
.cms-all-link svg{width:16px;height:16px;transition:transform .2s}
.cms-all-link:hover{color:var(--primary-deep)}
.cms-all-link:hover svg{transform:translateX(4px)}
.news-grid{display:grid;gap:22px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:8px}
.news-feature-card{
  grid-column:span 2;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:grid;
  grid-template-columns:42% 1fr;
  box-shadow:var(--shadow-card);
  transition:box-shadow .3s,transform .3s;
}
.news-feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.news-media{background:var(--surface-soft)}
.news-media img{width:100%;height:100%;object-fit:cover;min-height:220px}
.news-card-inner{padding:22px 26px;display:flex;flex-direction:column;align-items:flex-start}
.news-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-faint);margin-bottom:12px}
.news-meta .sep{width:3px;height:3px;background:var(--text-faint);border-radius:50%}
.news-title{font-size:24px;font-weight:800;line-height:1.45;color:var(--text);margin-bottom:10px;transition:color .2s}
a.news-title:hover{color:var(--primary)}
.news-summary{font-size:14.5px;color:var(--text-soft);line-height:1.8;max-width:70%;margin-bottom:14px}
.news-readmore{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary-deep);
}
.news-readmore svg,.news-link svg{width:15px;height:15px;transition:transform .2s}
a.news-readmore:hover svg{transform:translateX(4px)}
.news-card-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;
  display:flex;flex-direction:column;
  box-shadow:0 4px 12px rgba(17,57,76,.03);
  transition:box-shadow .3s,transform .3s,border-color .3s;
}
.news-card-item:hover{box-shadow:var(--shadow-card);transform:translateY(-2px);border-color:rgba(43,127,165,.35)}
.news-card-item .news-meta{margin-bottom:9px}
.news-title-sm{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);margin-bottom:8px}
a.news-title-sm:hover{color:var(--primary)}
.news-link{display:flex;align-items:center;gap:5px;margin-top:auto;padding-top:6px;font-size:13px;font-weight:700;color:var(--primary-deep)}
.cms-empty{
  grid-column:1/-1;
  min-height:250px;
  background:var(--surface-soft);
  border-radius:var(--radius-lg);
  display:flex;align-items:center;justify-content:center;gap:16px;
  flex-direction:column;color:var(--text-faint);
  font-size:14px;
}
.cms-empty-visual{
  width:48px;height:48px;border-radius:50%;
  border:2px dashed rgba(146,168,179,.5);
  display:flex;align-items:center;justify-content:center;
}
.cms-empty-visual svg{width:24px;height:24px;opacity:.7}
@media(max-width:767px){
  .news-grid{grid-template-columns:1fr}
  .news-feature-card{grid-column:auto;grid-template-columns:1fr}
  .news-media img{height:180px}
  .news-summary{max-width:none}
  .news-title{font-size:20px}
}

/* CTA */
.cta-section{background:var(--bg)}
.cta-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1.25fr 1fr;gap:28px;
  padding:60px 54px;align-items:center;
}
.cta-left .eyebrow{margin-bottom:14px}
.cta-title{font-size:28px;font-weight:800;line-height:1.4;margin-bottom:16px}
.cta-desc{font-size:15.5px;color:var(--text-soft);line-height:1.9;margin-bottom:8px}
.cta-desc ul{margin-top:16px}
.cta-desc li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;line-height:1.8;color:var(--text-soft);padding:5px 0}
.cta-desc li svg{width:18px;height:18px;flex:0 0 auto;color:var(--success);margin-top:5px}
.cta-right{background:var(--primary-tint);border-radius:var(--radius-lg);padding:28px 26px;text-align:left}
.cta-right strong{font-size:17px;color:var(--primary-deep);display:block;margin-bottom:12px;line-height:1.5}
.cta-right p{font-size:14px;color:var(--text-soft);line-height:1.8;margin-bottom:18px}
.cta-right .btn{width:100%}
.privacy-note{
  margin-top:18px;font-size:12px;line-height:1.7;color:var(--text-faint);
  display:flex;gap:8px;align-items:flex-start;
}
.privacy-note svg{width:14px;height:14px;flex:0 0 auto;margin-top:3px;opacity:.7}
@media(max-width:1023px){
  .cta-panel{grid-template-columns:1fr;padding:40px 30px}
}
@media(max-width:520px){
  .cta-panel{padding:30px 20px}
  .cta-right .btn{width:100%}
}

/* footer */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.78);font-size:14px}
.footer-top{padding:62px 0 40px}
.footer-cols{display:grid;grid-template-columns:2.4fr 1.2fr 1.2fr 1.4fr;gap:40px}
.footer-brand{display:flex;flex-direction:column;gap:20px;max-width:340px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{width:42px;height:42px;filter:brightness(1.1)}
.footer-brand .brand-title{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.65)}
.footer-desc{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.65)}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.03em}
.footer-links{display:grid;gap:8px}
.footer-links a{color:rgba(255,255,255,.78);font-size:14px;padding:5px 0;font-weight:500}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:9px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);padding:5px 0}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:5px;color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0}
.footer-bottom-wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.52)}
.footer-bottom a{color:rgba(255,255,255,.68);margin-left:16px}
.footer-bottom a:hover{color:#fff}
@media(max-width:900px){
  .footer-cols{grid-template-columns:1fr 1fr;gap:22px}
  .footer-brand{grid-column:1/-1;max-width:none}
}
@media(max-width:520px){
  .footer-top{padding:44px 0 30px}
  .footer-cols{grid-template-columns:1fr}
  .footer-bottom-wrap{flex-direction:column}
  .footer-bottom-wrap a{margin:0 12px 0 0}
}

/* reveal modal */
.help-modal{
  border-radius:var(--radius-lg);
  color:var(--text);
  padding:0;
  max-width:540px;
  background:#fff;
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:0 40px 80px rgba(9,33,43,.3);
}
.help-modal .close-button{right:18px;top:16px;font-size:30px;color:var(--text-soft);outline:none!important}
.help-modal .close-button:hover{color:var(--primary-deep)}
.help-modal-head{background:var(--primary-tint);padding:28px 28px 22px}
.help-modal-head .eyebrow{margin-bottom:8px}
.help-modal-title{font-size:20px;font-weight:800;color:var(--text)}
.help-modal-head p{font-size:13px;color:var(--text-soft);line-height:1.7;margin-top:6px}
.help-modal-body{padding:28px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--text)}
.form-field label span{color:var(--text-faint);font-weight:400}
.form-field input[type="text"],.form-field select,.form-field textarea{
  width:100%;min-height:46px;border:1px solid var(--line);border-radius:12px;
  padding:10px 16px;background:#fff;color:var(--text);font-size:15px;
  box-shadow:none;transition:border-color .25s,box-shadow .25s;
  appearance:auto;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,127,165,.16);
}
.form-field textarea{min-height:110px;resize:vertical;line-height:1.7}
.form-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%235E7783' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m1 1 5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.form-field .field-help{font-size:12px;color:var(--text-faint);margin-top:5px}
.form-field-inline{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){
  .form-field-inline{grid-template-columns:1fr}
  .help-modal-body{padding:20px}
  .help-modal-head{padding:24px 20px 18px}
}

/* misc */
.text-center{text-align:center}
.text-soft{color:var(--text-soft)}
.right-arrow{display:inline-block;transition:transform .2s}
a:hover .right-arrow{transform:translateX(4px)}

/* roulang page: article */
:root{
  --primary:#2B7FA5;
  --primary-deep:#185E78;
  --primary-tint:#E9F2F7;
  --accent:#F2A33C;
  --accent-deep:#E08A1B;
  --bg:#F3F7FA;
  --surface:#ffffff;
  --surface-soft:#EAF0F4;
  --line:#DCE6EB;
  --text:#162A33;
  --text-soft:#5E7783;
  --text-faint:#92A8B3;
  --success-green:#2F9B5F;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(17,57,76,.08);
  --shadow-lg:0 22px 50px rgba(17,57,76,.12);
  --font-sans:-apple-system,BlinkMacSystemFont,"Noto Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;
  --transition:.24s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font-family:inherit;font-size:1rem;outline:none}
ul,ol,p,figure,blockquote{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.4;color:var(--text)}
h1,.h1{font-size:clamp(1.9rem,4vw,3rem);letter-spacing:-.035em;line-height:1.18}
h2,.h2{font-size:clamp(1.4rem,2.6vw,2rem);letter-spacing:-.02em}
h3,.h3{font-size:clamp(1.1rem,1.6vw,1.35rem)}
h4,.h4{font-size:1.05rem}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
.container,.site-container{max-width:1200px;margin:0 auto;padding:0 clamp(18px,4vw,40px)}

/*-------------------------------------
  按钮 / 徽章 / 标签
-------------------------------------*/
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:.95rem;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  outline:none;
  text-align:center;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(43,127,165,.35);outline-offset:2px}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--primary-deep);color:#fff;box-shadow:0 8px 20px rgba(24,94,120,.2)}
.btn-primary:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(24,94,120,.25)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-accent{background:var(--accent);color:#3A2A08;border-color:transparent;box-shadow:0 8px 20px rgba(242,163,60,.25)}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(224,138,27,.3)}
.btn-accent:active{transform:translateY(0) scale(.98)}
.btn-outline{border-color:var(--primary);color:var(--primary-deep);background:rgba(43,127,165,.04)}
.btn-outline:hover{border-color:var(--primary-deep);background:rgba(43,127,165,.08);transform:translateY(-2px)}
.btn-outline:active{transform:scale(.98)}
.btn-white{background:#fff;color:var(--primary-deep)}
.btn-white:hover{background:var(--primary-tint);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:8px 18px;font-size:.875rem}
.chip,.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border-radius:999px;
  padding:6px 14px;
  font-size:.8rem;
  line-height:1;
  background:var(--primary-tint);
  color:var(--primary-deep);
  font-weight:600;
}
.chip-line i{
  width:6px;height:6px;border-radius:50%;
  background:var(--success-green);
  font-style:normal;
  display:inline-block;
  margin-right:6px;
}
.badge-new{background:#FFF3E0;color:#C4730B;border:1px solid #FFE1B3;border-radius:999px;padding:3px 10px;font-size:.75rem;font-weight:700}
/*-------------------------------------
  站点头部
-------------------------------------*/
.site-header{background:#fff;position:relative;z-index:50}
.brand-bar::after{content:"";display:block;height:1px;background:var(--line)}
.brand-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:78px;
  gap:24px;
  flex-wrap:wrap;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:inherit;
  flex-shrink:0;
  padding:6px 0;
}
.brand-mark{
  display:inline-flex;
  width:46px;height:46px;
  background:linear-gradient(145deg,#EBF4F9,#FDFEFF);
  border-radius:14px;
  align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(24,94,120,.12),inset 0 0 0 1px rgba(43,127,165,.08);
  transition:transform .2s ease;
}
.brand:hover .brand-mark{transform:translateY(-2px)}
.brand-word{display:flex;flex-direction:column;line-height:1.15}
.brand-title{font-size:1.28rem;font-weight:800;color:var(--text);letter-spacing:.02em}
.brand-sub{
  font-size:.8rem;
  font-weight:700;
  color:var(--primary-deep);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  letter-spacing:.14em;
  transform:translateY(-2px);
}
.brand-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.channel-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:90;
}
.channel-nav-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:6px;
  min-height:54px;
  padding:6px 0;
  white-space:nowrap;
}
.nav-item{
  position:relative;
  color:var(--text-soft);
  font-weight:600;
  font-size:.925rem;
  padding:9px 16px;
  border-radius:999px;
  transition:all .2s ease;
  flex-shrink:0;
}
.nav-item:hover{color:var(--primary-deep);background:var(--primary-tint);text-decoration:none}
.nav-item.active{background:var(--primary-tint);color:var(--primary-deep);font-weight:700}
.nav-item:hover::after,.nav-item.active::after{
  content:"";
  position:absolute;
  left:18px;right:18px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
/*-------------------------------------
  首页 & 频道通用区块
-------------------------------------*/
.site-main>section,.article-content-section{padding:0}
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
.fade-up.visible{opacity:1;transform:none}
/*-------------------------------------
  文章页顶部：面包屑窄带
-------------------------------------*/
.detail-top-band{
  background:color-mix(in srgb,var(--surface) 85%,var(--bg));
  border-bottom:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  background-blend-mode:overlay;
}
.breadcrumb-row{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:50px;
  font-size:.85rem;
  color:var(--text-faint);
  flex-wrap:wrap;
  padding-top:8px;
}
.breadcrumb-row a{color:var(--text-soft);font-weight:500}
.breadcrumb-row a:hover{color:var(--primary);text-decoration:underline}
.sep{color:#C4D4DB}
.breadcrumb-current{
  color:var(--text-soft);
  max-width:420px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
/*-------------------------------------
  文章标题区卡片
-------------------------------------*/
.article-head-card{
  background:transparent;
  padding:clamp(12px,3vw,40px) 0 30px;
}
.article-head-wrap{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(24px,5vw,72px);
  align-items:center;
}
.article-head-info{padding:0}
.art-head-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.art-meta-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--text-soft);
  border-radius:999px;
  padding:6px 14px;
  font-size:.8rem;
  font-weight:600;
  box-shadow:0 2px 8px rgba(17,57,76,.03);
}
.art-meta-chip svg{width:14px;height:14px;stroke:var(--primary)}
.article-head-info .cat-badge{
  display:inline-flex;
  align-items:center;
  background:var(--primary-tint);
  color:var(--primary-deep);
  padding:6px 16px;
  border-radius:999px;
  font-size:.8rem;
  font-weight:700;
  margin-bottom:14px;
}
.article-head-info h1{
  margin:14px 0 16px;
  font-size:clamp(1.85rem,3.6vw,2.8rem);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.03em;
  color:var(--text);
  word-break:break-word;
}
.article-head-desc{
  font-size:1rem;
  line-height:1.85;
  color:var(--text-soft);
  max-width:38em;
}
.cover-block{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-lg),0 0 0 1px rgba(220,230,235,.4);
  background:var(--surface);
  transform:translateY(0);
  transition:transform .3s ease,box-shadow .3s ease;
}
.cover-block:hover{transform:translateY(-4px);box-shadow:0 26px 56px rgba(17,57,76,.16)}
.cover-block img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
}
.cover-block::after{
  content:"";
  position:absolute;
  inset:auto 22px 18px;
  height:34px;
  background:linear-gradient(to top,rgba(22,42,51,.12),transparent);
  border-radius:0;
  pointer-events:none;
}
.cover-tag{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--primary-deep);
  border-radius:999px;
  font-size:.76rem;
  font-weight:700;
  padding:6px 13px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  box-shadow:0 6px 16px rgba(17,57,76,.1);
}
.cover-tag::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--success-green);
}
/*-------------------------------------
  正文 + 侧栏
-------------------------------------*/
.article-main-content{
  padding:clamp(28px,5vw,64px) 0 clamp(16px,3vw,40px);
  background:var(--bg);
}
.articles-row{align-items:flex-start}
.article-paper-card{
  background:#fff;
  border:1px solid rgba(220,230,235,.7);
  border-radius:24px;
  padding:clamp(22px,4vw,46px);
  box-shadow:0 10px 30px rgba(17,57,76,.05);
  min-height:320px;
}
.prose-content{
  font-size:1.04rem;
  line-height:1.92;
  color:#213C47;
  word-break:break-word;
}
.prose-content>*+*{margin-top:1.25em}
.prose-content h2{
  font-size:clamp(1.28rem,2vw,1.75rem);
  margin-top:1.7em;
  margin-bottom:.7em;
  padding-left:.55em;
  border-left:4px solid var(--accent);
  line-height:1.45;
}
.prose-content h3{
  font-size:1.18rem;
  margin-top:1.6em;
  margin-bottom:.6em;
  color:var(--primary-deep);
}
.prose-content p{margin:1.1em 0;color:var(--text)}
.prose-content a{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.prose-content ul,.prose-content ol{padding-left:1.25rem;margin:1.1em 0}
.prose-content ul li,.prose-content ol li{padding-left:.4em;margin:.5em 0}
.prose-content ul li::marker{color:var(--accent)}
.prose-content blockquote{
  background:var(--primary-tint);
  border-radius:14px;
  border-left:4px solid var(--primary);
  padding:18px 24px;
  margin:1.5em 0;
  color:var(--primary-deep);
}
.prose-content table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:.95rem;
  display:block;
  overflow-x:auto;
}
.prose-content th{
  background:var(--primary-tint);
  color:var(--primary-deep);
  text-align:left;
  font-weight:700;
  border:1px solid #DDE8EF;
  padding:12px 14px;
  white-space:nowrap;
}
.prose-content td{
  padding:12px 14px;
  border:1px solid var(--line);
  vertical-align:top;
}
.prose-content img{border-radius:16px;box-shadow:var(--shadow)}
.prose-content code,.prose-content kbd{
  background:var(--surface-soft);
  border:1px solid var(--line);
  border-radius:6px;
  font-family:"SFMono-Regular",Consolas,monospace;
  font-size:.9em;
  padding:.15em .5em;
  color:var(--primary-deep);
}
.prose-content hr{
  border:none;
  border-top:1px solid var(--line);
  margin:2em 0;
}
.prose-content strong{color:var(--text);font-weight:800}
/* 空状态*/
.empty-article{
  background:var(--surface-soft);
  border-radius:20px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:56px 24px;
  min-height:320px;
  margin:20px 0;
}
.empty-icon{
  width:52px;height:52px;
  border-radius:50%;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 18px rgba(17,57,76,.06);
  margin-bottom:14px;
}
.empty-icon svg{width:24px;height:24px;stroke:var(--text-faint)}
.empty-article h3{font-size:1.2rem;color:var(--text)}
.empty-article p{color:var(--text-soft);font-size:.92rem}
.empty-article .btn{margin-top:12px}

/* 侧栏卡片 */
.side-panel{
  position:sticky;
  top:84px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--surface);
  border:1px solid rgba(220,230,235,.8);
  border-radius:20px;
  padding:22px 20px;
  box-shadow:0 8px 22px rgba(17,57,76,.05);
}
.side-card-title{
  font-size:1rem;
  font-weight:800;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.side-card-title svg{width:18px;height:18px;stroke:var(--accent)}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px}
.side-list a{
  display:flex;
  align-items:flex-start;
  gap:10px;
  border-radius:12px;
  padding:10px 10px;
  color:var(--text-soft);
  font-size:.88rem;
  font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.side-list a::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  margin-top:9px;
  background:var(--primary);
  flex-shrink:0;
  box-shadow:0 0 0 3px rgba(43,127,165,.1);
}
.side-list a:hover{
  background:var(--primary-tint);
  color:var(--primary-deep);
  text-decoration:none;
}
.side-card p{font-size:.86rem;color:var(--text-soft);line-height:1.7}
.safe-note{
  background:linear-gradient(145deg,#F0F7FA,#F9FDFF);
  border-radius:14px;
  border:1px solid #D8EAF2;
  padding:14px 14px;
  margin-top:12px;
  font-size:.85rem;
  color:#3B6172;
  line-height:1.7;
}
.safe-note b{color:var(--primary-deep)}
/*-------------------------------------
  图卡 / 通用卡片
-------------------------------------*/
.feature-card{
  background:var(--surface);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  border:1px solid rgba(220,230,235,.55);
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease;
  height:100%;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-body{padding:24px}
.card-list{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-direction:column;gap:8px}
.card-list li{display:flex;gap:8px;font-size:.88rem;line-height:1.6;color:var(--text-soft)}
.card-list li::before{content:"→";color:var(--accent);font-weight:800;flex-shrink:0}
/* 窄 CTA */
.final-cta{
  border-radius:24px;
  background:linear-gradient(120deg,var(--primary-deep),#2a7d9b 68%,#3e93ad);
  padding:clamp(28px,4vw,52px);
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 20px 48px rgba(24,94,120,.18);
}
.final-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.1;
  mix-blend-mode:luminosity;
}
.final-cta .inner{position:relative;z-index:1;display:flex;align-items:center;gap:28px;justify-content:space-between;flex-wrap:wrap}
.final-cta h2{color:#fff;font-size:1.5rem;font-weight:800;line-height:1.45}
.final-cta p{color:rgba(255,255,255,.85);margin-top:8px;max-width:44em;font-size:.98rem;line-height:1.8}
.final-cta .btn{margin-top:8px}

/* 相关入口横卡 */
.related-cards{padding:50px 0 10px}
.related-cards h3{
  display:flex;
  gap:10px;
  align-items:center;
  font-size:1.18rem;
}
.related-cards h3::before{
  content:"";
  width:30px;height:3px;
  border-radius:3px;
  background:var(--accent);
  flex:0 0 auto;
}
.related-grid{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  align-items:stretch;
}
.related-grid .wide{grid-column:span 2}
.rel-card{
  background:#fff;
  border:1px solid rgba(220,230,235,.8);
  border-radius:16px;
  padding:20px 18px;
  min-height:130px;
  transition:all .24s ease;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:12px;
}
.rel-card:hover{
  border-color:rgba(43,127,165,.35);
  box-shadow:0 14px 28px rgba(17,57,76,.08);
  transform:translateY(-3px);
}
.rel-card h4{font-size:.98rem;color:var(--text);margin:0 0 4px}
.rel-card p{font-size:.85rem;color:var(--text-soft);line-height:1.7}
.rel-card .card-link{color:var(--primary-deep);font-weight:700;font-size:.86rem}
.rel-card .card-link:hover{color:var(--primary)}
.rel-card .icon-wrap{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--primary-tint);
  display:flex;
  align-items:center;justify-content:center;
}
.rel-card .icon-wrap svg{width:17px;height:17px;stroke:var(--primary-deep)}
/* FAQ */
.faq-section{
  padding:56px 0 24px;
}
.faq-heading{text-align:center}
.faq-list{
  margin-top:28px;
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:840px;
  margin-left:auto;margin-right:auto;
}
.faq-item{
  background:#fff;
  border:1px solid rgba(220,230,235,.7);
  border-radius:16px;
  padding:0;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open],.faq-item:hover{border-color:rgba(43,127,165,.3);box-shadow:0 10px 24px rgba(17,57,76,.06)}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  font-weight:700;
  font-size:.98rem;
  color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary-deep)}
.faq-item summary .plus{
  width:20px;height:20px;
  border-radius:50%;
  background:var(--primary-tint);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--primary-deep);
  flex-shrink:0;
}
.faq-item summary .plus svg{width:12px;height:12px;stroke:currentColor;transition:rotate .25s ease}
.faq-item[open] summary .plus svg{transform:rotate(45deg)}
.faq-answer{
  padding:0 20px 18px;
  color:var(--text-soft);
  font-size:.93rem;
  line-height:1.85;
}
/*-------------------------------------
  弹层表单
-------------------------------------*/
.reveal.fb-reveal{
  border:none;
  border-radius:24px;
  background:#F8FBFC;
  box-shadow:0 30px 80px rgba(18,57,77,.28),0 0 0 1px rgba(220,230,235,.5);
  padding:0;
  overflow:hidden;
}
.reveal-head{
  background:linear-gradient(135deg,var(--primary-deep),var(--primary));
  padding:32px 32px;
  color:#fff;
  position:relative;
}
.reveal-head::after{
  content:"";
  position:absolute;
  right:-32px;top:-32px;
  width:160px;height:160px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.reveal-head h3{font-size:1.42rem;color:#fff;letter-spacing:-.02em}
.reveal-head p{color:rgba(255,255,255,.82);margin-top:8px;font-size:.9rem;line-height:1.7}
.reveal-body{padding:28px 32px 30px}
.fb-form label{
  font-size:.9rem;font-weight:700;
  margin:18px 0 8px;
  display:block;
  color:var(--text);
}
.fb-form label:first-child{margin-top:0}
.fb-form .hint{font-size:.78rem;color:var(--text-faint);font-weight:400;margin-left:6px}
.form-input,.fb-form input[type=text],.fb-form input[type=tel],select.form-select,.fb-form textarea{
  width:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  min-height:44px;
  padding:10px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
  font-size:.95rem;
}
.form-input:focus,.fb-form input[type=text]:focus,.fb-form input[type=tel]:focus,.form-select:focus,.fb-form textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,127,165,.15);
}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23185E78' stroke-width='2.2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  cursor:pointer;
  padding-right:38px;
}
.fb-form textarea{min-height:90px;resize:vertical}
.fb-form .btn{width:100%;margin-top:22px}
.priv-note{
  margin-top:14px;
  font-size:.75rem;
  color:var(--text-faint);
  line-height:1.6;
  background:var(--surface-soft);
  border-radius:10px;
  padding:10px 12px;
}
.form-tip{min-height:20px;margin-top:12px;font-size:.85rem;color:var(--primary-deep);font-weight:600}
/* 页脚 */
.site-footer{
  margin-top:clamp(48px,8vw,80px);
  background:#193A49;
  color:#BFD6E2;
  border-radius:0;
  font-size:.88rem;
}
.footer-top{
  background:transparent;
  padding:52px 0 0;
}
.footer-cols{
  display:grid;
  grid-template-columns:minmax(0,4.6fr) minmax(0,2.2fr) minmax(0,2.7fr) minmax(0,3.4fr);
  gap:42px;
  padding-bottom:38px;
}
.footer-brand .brand-title{color:#fff}
.footer-brand .brand-sub{
  background:linear-gradient(135deg,#BFE3F2,#F5E8C9);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.footer-desc{
  margin-top:18px;
  color:#9DB8C6;
  line-height:1.85;
  max-width:24em;
  font-size:.88rem;
}
.footer-title{
  font-size:.95rem;
  color:#fff;
  margin-bottom:2px;
}
.footer-cols .footer-title{font-size:.95rem;color:#fff;margin-bottom:14px}
.footer-links{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:flex-start;
}
.footer-links a{
  color:#A4C2D0;
  font-size:.84rem;
  line-height:1.5;
  padding:2px 0;
  transition:color .2s ease,translate .2s ease;
}
.footer-links a:hover{color:#fff;translate:4px 0;text-decoration:none}
.footer-contact{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:12px;
  color:#A9C6D3;
  font-size:.84rem;
}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;stroke:var(--accent)}
.footer-contact span{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  font-size:.8rem;
}
.footer-bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  color:#9DB8C6;
}
.footer-bottom-links{display:inline-flex;gap:18px;flex-wrap:wrap}
.footer-bottom-links a{color:#A9C6D3}
.footer-bottom-links a:hover{color:#fff}

/*-------------------------------------
  焦点 / 可访问性
-------------------------------------*/
a:focus-visible,button:focus-visible,.accordion-title:focus-visible{
  outline:3px solid rgba(43,127,165,.28);
  outline-offset:3px;
  border-radius:6px;
}
::selection{background:rgba(242,163,60,.3);color:var(--text)}
/*-------------------------------------
  响应式
-------------------------------------*/
@media screen and (max-width:1024px){
  .article-head-wrap{grid-template-columns:minmax(0,1fr);gap:28px}
  .cover-block{max-width:640px}
  .article-main-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .related-grid .wide{grid-column:span 1}
}
@media screen and (max-width:768px){
  body{font-size:15px}
  .grid-container{padding-left:18px;padding-right:18px}
  .brand-bar-inner{min-height:68px;padding:8px 0}
  .brand-title{font-size:1.16rem}
  .brand-mark{width:40px;height:40px;border-radius:12px}
  .brand-actions .chip{display:none}
  .btn{padding:10px 18px}
  .article-head-info .article-head-desc{font-size:.95rem}
  .article-paper-card{padding:20px 16px;border-radius:18px}
  .side-panel{position:static;margin-top:20px}
  .related-grid{grid-template-columns:1fr}
  .related-grid .wide{grid-column:span 1}
  .final-cta .inner{flex-direction:column;align-items:flex-start}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:28px}
  .footer-top{padding:40px 0 0}
  .fb-reveal .reveal-head,.reveal-body{padding:22px}
}
@media screen and (max-width:520px){
  .article-head-card h1{font-size:1.6rem;line-height:1.4}
  .related-grid{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr}
  .channel-nav{padding:2px 0}
  .nav-item{font-size:.85rem;padding:8px 12px}
  .prose-content{font-size:.97rem}
  .prose-content table{font-size:.85rem}
  .article-paper-card{border-radius:18px}
  .final-cta{padding:26px 20px}
  .final-cta h2{font-size:1.25rem}
}

/* roulang page: category1 */
:root{
    --primary:#2B7FA5;
    --primary-deep:#14536E;
    --primary-dark:#185E78;
    --primary-tint:#E9F2F7;
    --accent:#F2A33C;
    --accent-deep:#E08A1B;
    --accent-ink:#2A1D0B;
    --bg:#F3F7FA;
    --surface:#FFFFFF;
    --surface-soft:#EAF0F4;
    --line:#DCE6EB;
    --text:#162A33;
    --text-soft:#5E7783;
    --text-faint:#92A8B3;
    --success:#2F9C6A;
    --success-tint:#E6F4EC;
    --radius-xl:20px;
    --radius-lg:16px;
    --radius-md:12px;
    --shadow-card:0 10px 30px rgba(17,57,76,.08);
    --shadow-hover:0 16px 36px rgba(17,57,76,.13);
    --container:1200px;
    --section-space:96px;
    --font-sans:-apple-system,BlinkMacSystemFont,"Noto Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block}
  figure{margin:0}
  a{color:inherit;text-decoration:none}
  ul,ol{margin:0;padding:0}
  h1,h2,h3,h4,p{margin:0}
  button,input,select,textarea{font-family:inherit}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:3px solid rgba(43,127,165,.30);
    outline-offset:2px;
  }
  .grid-container{
    max-width:var(--container);
    width:100%;
    margin-left:auto;
    margin-right:auto;
    padding-left:24px;
    padding-right:24px;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:44px;
    padding:0 24px;
    border-radius:10px;
    border:1px solid transparent;
    font-size:15px;
    font-weight:700;
    line-height:1.2;
    cursor:pointer;
    text-align:center;
    transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
    white-space:nowrap;
    appearance:none;
    -webkit-appearance:none;
  }
  .btn-primary{
    background:var(--accent);
    color:var(--accent-ink);
    border-color:var(--accent);
    box-shadow:0 6px 16px rgba(242,163,60,.28);
  }
  .btn-primary:hover{
    background:var(--accent-deep);
    border-color:var(--accent-deep);
    transform:translateY(-2px);
    box-shadow:0 10px 22px rgba(224,138,27,.30);
  }
  .btn-primary:active{
    transform:translateY(0) scale(.985);
    box-shadow:0 4px 10px rgba(224,138,27,.20);
  }
  .btn-outline{
    background:transparent;
    color:var(--primary-deep);
    border-color:#B9CCD6;
  }
  .btn-outline:hover{
    background:var(--primary-tint);
    border-color:var(--primary);
    transform:translateY(-2px);
    box-shadow:0 8px 18px rgba(20,83,110,.05);
  }
  .btn-outline:active{
    transform:translateY(0) scale(.985);
  }
  .btn-light{
    background:#fff;
    color:var(--primary-deep);
    border-color:#fff;
    box-shadow:0 8px 18px rgba(0,0,0,.12);
  }
  .btn-light:hover{
    background:var(--primary-tint);
    border-color:#fff;
    transform:translateY(-2px);
  }
  .btn-sm{
    min-height:40px;
    padding:0 18px;
    font-size:14px;
  }

  /* ---------- 顶部品牌行 ---------- */
  .site-header{
    background:var(--surface);
    box-shadow:0 1px 0 rgba(220,230,235,.8);
    position:relative;
    z-index:100;
  }
  .brand-bar-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    min-height:76px;
    padding-top:10px;
    padding-bottom:10px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
  }
  .brand-mark{
    display:inline-flex;
    flex:0 0 46px;
    width:46px;
    height:46px;
  }
  .brand-mark svg{
    width:100%;
    height:100%;
    display:block;
  }
  .brand-word{
    display:flex;
    flex-direction:column;
    line-height:1.08;
  }
  .brand-title{
    font-size:19px;
    font-weight:800;
    letter-spacing:.3px;
    color:var(--primary-deep);
  }
  .brand-sub{
    margin-top:3px;
    font-size:12px;
    font-weight:800;
    letter-spacing:2.4px;
    color:var(--primary);
    text-transform:uppercase;
    border-top:2px solid var(--accent);
    padding-top:3px;
  }
  .brand-actions{
    display:flex;
    align-items:center;
    gap:14px;
  }
  .chip-line{
    display:inline-flex;
    align-items:center;
    gap:6px;
    border-radius:999px;
    background:var(--primary-tint);
    color:var(--primary-deep);
    font-size:12.5px;
    line-height:1;
    padding:8px 14px;
    white-space:nowrap;
  }
  .chip-line i{
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--success);
    display:inline-block;
  }

  /* ---------- 频道导航行 ---------- */
  .channel-bar{
    background:var(--surface);
    border-top:1px solid var(--line);
  }
  .channel-nav-wrap{
    overflow-x:auto;
    scrollbar-width:none;
  }
  .channel-nav-wrap::-webkit-scrollbar{display:none}
  .channel-nav{
    display:flex;
    gap:4px;
    padding:6px 0;
    min-width:max-content;
  }
  .nav-item{
    display:block;
    padding:10px 20px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    color:#38525f;
    white-space:nowrap;
    transition:background-color .2s ease,color .2s ease,transform .2s ease;
  }
  .nav-item:hover{
    background:var(--primary-tint);
    color:var(--primary-deep);
  }
  .nav-item:active{
    transform:scale(.98);
  }
  .nav-item.active{
    background:var(--primary-tint);
    color:var(--primary-deep);
    font-weight:700;
  }

  /* ---------- 分类页 Hero ---------- */
  .category-hero{
    position:relative;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .category-hero-bg{
    position:absolute;
    inset:0;
    background-size:cover;
    background-position:center 25%;
    opacity:.58;
    z-index:0;
  }
  .category-hero-bg::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.86) 46%, rgba(255,255,255,.62) 100%);
  }
  .cat-hero-inner{
    position:relative;
    z-index:2;
    padding-top:46px;
    padding-bottom:30px;
  }
  .crumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:14px;
    color:var(--text-soft);
    margin-bottom:22px;
  }
  .crumb a{
    color:var(--text-soft);
    transition:color .2s ease;
  }
  .crumb a:hover{color:var(--primary)}
  .crumb .crumb-arrow{color:var(--text-faint)}
  .crumb [aria-current="page"]{font-weight:600;color:var(--text)}
  .cat-hero-grid{
    display:grid;
    grid-template-columns:minmax(0,1.45fr) minmax(300px,.65fr);
    gap:56px;
    align-items:end;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.6px;
    color:var(--primary-deep);
    background:var(--primary-tint);
    border:1px solid #D3E5EF;
    padding:7px 14px;
    border-radius:999px;
    margin-bottom:18px;
  }
  .eyebrow-dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--accent);
    display:inline-block;
  }
  .cat-hero h1{
    font-size:42px;
    line-height:1.22;
    font-weight:800;
    letter-spacing:.2px;
    color:var(--text);
    max-width:11em;
  }
  .cat-hero h1 br{
    line-height:1.15;
  }
  .hero-lead{
    margin-top:18px;
    color:var(--text-soft);
    font-size:16px;
    line-height:1.9;
    max-width:42em;
  }
  .cat-hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:30px;
  }
  .cat-hero-aside{
    padding-bottom:6px;
  }
  .hero-note-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-xl);
    padding:24px 24px 20px;
    box-shadow:var(--shadow-card);
  }
  .hero-note-title{
    display:block;
    font-size:14px;
    font-weight:800;
    color:var(--primary-deep);
    border-bottom:1px solid var(--line);
    padding-bottom:10px;
  }
  .hero-note-list{
    list-style:none;
    margin:14px 0 12px;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .hero-note-list li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14px;
    line-height:1.7;
    color:var(--text);
  }
  .hero-note-list li span{
    flex:0 0 24px;
    height:24px;
    border-radius:7px;
    background:var(--primary-tint);
    color:var(--primary-deep);
    font-size:12px;
    font-weight:800;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .hero-note-foot{
    display:flex;
    align-items:flex-start;
    gap:8px;
    background:var(--success-tint);
    border-radius:12px;
    padding:11px 12px;
    font-size:12.5px;
    color:#256C4A;
    line-height:1.6;
    margin-top:12px;
  }
  .hero-note-foot svg{
    width:16px;
    height:16px;
    flex:0 0 16px;
    margin-top:2px;
    stroke:currentColor;
  }

  /* ---------- 本页目录 ---------- */
  .anchor-section{
    padding:30px 0 4px;
  }
  .jump-anchor{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:6px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:999px;
    padding:8px 10px;
    box-shadow:0 4px 12px rgba(17,57,76,.04);
    margin-bottom:-52px;
  }
  .jump-label{
    font-size:13px;
    font-weight:800;
    color:var(--primary-deep);
    background:var(--primary-tint);
    border-radius:999px;
    padding:6px 14px;
    white-space:nowrap;
  }
  .jump-anchor a{
    font-size:14px;
    color:var(--text-soft);
    padding:8px 16px;
    border-radius:999px;
    transition:background-color .2s ease,color .2s ease;
  }
  .jump-anchor a:hover{
    background:var(--surface-soft);
    color:var(--primary-deep);
  }

  /* ---------- 区块统一样式 ---------- */
  .page-section{
    padding:var(--section-space) 0;
  }
  .section-heading{
    max-width:820px;
    margin-bottom:34px;
  }
  .section-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:800;
    color:var(--primary);
    text-transform:uppercase;
    letter-spacing:1px;
    margin-bottom:12px;
  }
  .section-kicker::before{
    content:"";
    display:inline-block;
    width:20px;
    height:3px;
    border-radius:2px;
    background:var(--accent);
  }
  .section-heading h2{
    font-size:30px;
    line-height:1.4;
    font-weight:800;
    color:var(--text);
  }
  .section-heading .head-tip{
    color:var(--text-soft);
    margin-top:12px;
  }

  /* ---------- 01 官方路径 ---------- */
  .entrance-section{
    padding-top:88px;
  }
  .split-grid{
    display:grid;
    grid-template-columns:.94fr 1.06fr;
    gap:48px;
    align-items:center;
  }
  .split-fig{
    position:relative;
    border-radius:var(--radius-xl);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    border:1px solid var(--line);
  }
  .split-fig img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
  }
  .split-fig figcaption{
    position:absolute;
    left:12px;
    right:12px;
    bottom:12px;
    background:rgba(255,255,255,.92);
    border:1px solid rgba(255,255,255,.7);
    backdrop-filter:blur(4px);
    border-radius:14px;
    padding:12px 14px;
    font-size:13px;
    line-height:1.6;
    color:var(--text);
    display:flex;
    align-items:center;
    gap:10px;
  }
  .mini-badge{
    background:var(--accent);
    color:var(--accent-ink);
    font-weight:800;
    border-radius:999px;
    padding:3px 9px;
    font-size:12px;
    white-space:nowrap;
    flex:0 0 auto;
  }
  .split-body{
    padding:16px 4px;
  }
  .split-title{
    font-size:15px;
    font-weight:700;
    letter-spacing:.3px;
    color:var(--accent-deep);
    margin-bottom:8px;
  }
  .split-body h2{
    font-size:30px;
    font-weight:800;
    color:var(--text);
    line-height:1.4;
    margin-bottom:16px;
  }
  .split-body > p{
    color:var(--text-soft);
    font-size:16px;
    margin-bottom:20px;
    max-width:46em;
  }
  .path-list{
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:14px;
    margin-bottom:20px;
  }
  .path-list li{
    display:grid;
    grid-template-columns:36px 1fr;
    gap:12px;
    align-items:start;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:14px;
    padding:12px 16px 12px 12px;
    transition:box-shadow .2s ease,border-color .2s ease;
  }
  .path-list li:hover{
    box-shadow:var(--shadow-card);
    border-color:#C7DCE7;
  }
  .path-num{
    width:32px;
    height:32px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:var(--primary-tint);
    border-radius:10px;
    font-size:13px;
    font-weight:800;
    color:var(--primary-deep);
  }
  .path-list strong{
    display:block;
    font-size:15px;
    color:var(--text);
    margin-bottom:2px;
  }
  .path-list small{
    display:block;
    color:var(--text-soft);
    font-size:13.5px;
    line-height:1.6;
  }
  .text-note{
    display:flex;
    align-items:center;
    gap:8px;
    background:var(--surface-soft);
    border-left:4px solid var(--primary);
    border-radius:0 12px 12px 0;
    padding:12px 16px;
    font-size:13.5px;
    color:var(--text-soft);
  }
  .text-note svg{
    width:16px;
    height:16px;
    flex:0 0 16px;
    stroke:var(--primary);
  }

  /* ---------- 02 安全标识 ---------- */
  .verify-section{
    background:var(--surface);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .verify-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
    margin-bottom:34px;
  }
  .verify-grid article{
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:22px 20px 18px;
    transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .verify-grid article:hover{
    background:var(--surface);
    box-shadow:var(--shadow-card);
    transform:translateY(-3px);
  }
  .verify-num{
    display:inline-flex;
    width:28px;
    height:28px;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:var(--primary-tint);
    color:var(--primary-deep);
    font-size:13px;
    font-weight:800;
    margin-bottom:14px;
  }
  .verify-grid h3{
    font-size:17px;
    font-weight:800;
    color:var(--text);
    margin-bottom:8px;
  }
  .verify-grid p{
    color:var(--text-soft);
    font-size:14px;
    line-height:1.75;
  }
  .verify-table-wrap{
    border:1px solid var(--line);
    border-radius:var(--radius-xl);
    background:var(--surface);
    overflow:hidden;
    box-shadow:var(--shadow-card);
  }
  .verify-table{
    width:100%;
    border-collapse:collapse;
    font-size:14px;
  }
  .verify-table th{
    background:var(--primary-tint);
    color:var(--primary-deep);
    text-align:left;
    padding:13px 18px;
    font-weight:800;
    white-space:nowrap;
  }
  .verify-table td{
    padding:15px 18px;
    border-top:1px solid var(--line);
    color:var(--text);
    vertical-align:top;
  }
  .verify-table tr:first-child td{border-top:none}
  .verify-table td:first-child{
    width:26%;
    font-weight:700;
  }
  .verify-table td:last-child{
    color:var(--text-soft);
    font-size:13.5px;
  }
  .table-status{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--success);
    font-weight:700;
    white-space:nowrap;
  }
  .table-status::before{
    content:"";
    width:6px;
    height:6px;
    border-radius:50%;
    background:currentColor;
    display:inline-block;
  }

  /* ---------- 03 对照误区 ---------- */
  .risk-section{
    background:var(--bg);
  }
  .risk-cols{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
  }
  .risk-col{
    border-radius:var(--radius-xl);
    padding:28px 28px 24px;
    border:1px solid var(--line);
  }
  .risk-col.safe{
    background:var(--success-tint);
    border-color:#CFE4D8;
  }
  .risk-col.danger{
    background:#FFF4EC;
    border-color:#F3D7C2;
  }
  .risk-title{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:17px;
    font-weight:800;
    color:var(--text);
    border-bottom:1px solid rgba(0,0,0,.06);
    padding-bottom:14px;
    margin-bottom:14px;
  }
  .risk-title svg{
    width:20px;
    height:20px;
    flex:0 0 20px;
  }
  .risk-col.safe .risk-title svg{color:var(--success)}
  .risk-col.danger .risk-title svg{color:var(--accent-deep)}
  .risk-col ul{
    list-style:none;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .risk-col li{
    position:relative;
    padding-left:20px;
    color:var(--text-soft);
    font-size:14.5px;
    line-height:1.7;
  }
  .risk-col.safe li::before{
    content:"";
    position:absolute;
    left:0;
    top:.75em;
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--success);
  }
  .risk-col.danger li::before{
    content:"!";
    position:absolute;
    left:0;
    top:.45em;
    width:16px;
    height:16px;
    border-radius:50%;
    background:var(--accent-deep);
    color:#fff;
    font-size:10px;
    font-weight:800;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .risk-col li strong{
    font-weight:700;
    color:var(--text);
  }
  .safe-callout{
    margin-top:24px;
    display:flex;
    align-items:center;
    gap:12px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:14px;
    padding:14px 18px;
    font-size:14px;
    color:var(--text-soft);
    line-height:1.7;
  }
  .safe-callout svg{
    width:22px;
    height:22px;
    flex:0 0 22px;
    color:var(--primary);
    stroke:currentColor;
  }

  /* ---------- 04 处理流程 ---------- */
  .process-section{
    background:var(--surface);
    border-bottom:1px solid var(--line);
  }
  .process-wrap{
    display:grid;
    grid-template-columns:1fr 340px;
    gap:56px;
    align-items:start;
  }
  .process-list{
    list-style:none;
    counter-reset:step;
    display:flex;
    flex-direction:column;
    gap:0;
  }
  .process-list li{
    counter-increment:step;
    display:grid;
    grid-template-columns:64px 1fr;
    gap:20px;
    position:relative;
    padding-bottom:32px;
  }
  .process-list li:not(:last-child)::after{
    content:"";
    position:absolute;
    left:31px;
    top:60px;
    bottom:2px;
    width:2px;
    background:linear-gradient(to bottom,var(--primary-tint),var(--line));
  }
  .process-num{
    width:62px;
    height:62px;
    border-radius:18px;
    background:var(--primary-tint);
    color:var(--primary-deep);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:21px;
    font-weight:800;
    letter-spacing:.2px;
    box-shadow:inset 0 0 0 1px rgba(43,127,165,.12);
  }
  .process-list li:last-child .process-num{
    background:var(--primary-deep);
    color:#fff;
  }
  .process-content{
    padding-top:4px;
    padding-bottom:6px;
  }
  .process-content h3{
    font-size:20px;
    font-weight:800;
    color:var(--text);
    margin-bottom:6px;
  }
  .process-content p{
    color:var(--text-soft);
    font-size:15px;
    line-height:1.8;
    margin-bottom:10px;
  }
  .process-tag{
    display:inline-flex;
    align-items:center;
    border-radius:999px;
    background:var(--surface-soft);
    color:var(--primary-deep);
    font-size:12px;
    font-weight:700;
    padding:4px 12px;
  }
  .process-side{
    position:sticky;
    top:24px;
  }
  .side-panel{
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:var(--radius-xl);
    padding:24px;
    margin-bottom:18px;
  }
  .side-panel .icon-line{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    font-weight:800;
    color:var(--primary-deep);
    margin-bottom:12px;
  }
  .side-panel .icon-line svg{
    width:20px;
    height:20px;
    stroke:currentColor;
  }
  .side-panel p{
    color:var(--text-soft);
    font-size:14px;
    line-height:1.8;
  }
  .side-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:var(--primary-tint);
    color:var(--primary-deep);
    font-size:14px;
    font-weight:700;
    border-radius:10px;
    padding:12px 18px;
    transition:background-color .2s ease,transform .2s ease;
  }
  .side-link:hover{
    background:#DAEBF3;
    transform:translateY(-2px);
  }

  /* ---------- 05 协助区 ---------- */
  .assist-section{
    background:var(--bg);
    padding-bottom:88px;
  }
  .assist-panel{
    background:var(--surface);
    border:1px solid var(--line);
    border-left:6px solid var(--primary);
    border-radius:var(--radius-xl);
    box-shadow:var(--shadow-card);
    padding:42px 48px;
    display:grid;
    grid-template-columns:1.3fr .7fr;
    gap:40px;
    align-items:center;
  }
  .assist-panel h2{
    font-size:28px;
    line-height:1.45;
    color:var(--text);
    font-weight:800;
    margin-bottom:12px;
  }
  .assist-panel p{
    color:var(--text-soft);
    font-size:15px;
    max-width:42em;
  }
  .assist-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:22px;
  }
  .assist-meta span{
    display:inline-flex;
    align-items:center;
    gap:7px;
    background:var(--surface-soft);
    border-radius:999px;
    font-size:13px;
    font-weight:700;
    color:var(--primary-deep);
    padding:8px 14px;
  }
  .assist-meta svg{
    width:15px;
    height:15px;
    stroke:currentColor;
  }
  .assist-action{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:12px;
  }
  .assist-action .btn{
    width:100%;
    min-height:50px;
  }
  .privacy-note{
    font-size:12px;
    color:var(--text-faint);
    line-height:1.7;
    text-align:center;
    max-width:30em;
  }

  /* ---------- 06 FAQ ---------- */
  .faq-section{
    background:var(--bg);
    padding-top:0;
  }
  .faq-wrap{
    max-width:920px;
    margin:0 auto;
  }
  .faq-list.accordion{
    list-style:none;
    border:none;
    background:transparent;
    margin:0;
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .faq-list .accordion-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:18px;
    padding:0 20px;
    transition:box-shadow .2s ease,border-color .2s ease;
    overflow:hidden;
  }
  .faq-list .accordion-item.is-active{
    box-shadow:var(--shadow-card);
    border-color:#C9DEE8;
  }
  .faq-list .accordion-title{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    background:transparent;
    color:var(--text);
    font-size:16px;
    font-weight:700;
    padding:19px 36px 19px 0;
    position:relative;
    border:none;
    line-height:1.5;
  }
  .faq-list .accordion-title:hover{
    background:transparent;
    color:var(--primary-deep);
  }
  .faq-list .accordion-title::before,
  .faq-list .accordion-title::after{
    display:none;
  }
  .faq-icon{
    position:absolute;
    right:0;
    top:50%;
    width:28px;
    height:28px;
    margin-top:-14px;
    border-radius:8px;
    background:var(--primary-tint);
    color:var(--primary-deep);
    font-size:18px;
    font-weight:400;
    line-height:1;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:transform .25s ease,background-color .2s ease;
  }
  .faq-icon::before{
    content:"+";
  }
  .faq-list .accordion-item.is-active .faq-icon{
    transform:rotate(45deg);
    background:var(--primary-deep);
    color:#fff;
  }
  .faq-list .accordion-content{
    border:none;
    background:transparent;
    color:var(--text-soft);
    font-size:15px;
    line-height:1.85;
    padding:0 0 22px;
  }
  .faq-list .accordion-content p{
    color:var(--text-soft);
    font-size:15px;
    line-height:1.85;
  }

  /* ---------- 底部返回 ---------- */
  .return-strip{
    background:var(--surface-soft);
    border-block:1px solid var(--line);
    padding:24px 0;
  }
  .return-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    flex-wrap:wrap;
  }
  .return-inner span{
    font-size:14px;
    color:var(--text-soft);
  }
  .return-inner a{
    color:var(--primary-deep);
    font-weight:700;
    font-size:14px;
  }
  .return-inner a:hover{
    color:var(--primary);
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--primary-deep);
    color:#D8E5EC;
    font-size:14px;
  }
  .footer-top{
    padding:72px 0 52px;
  }
  .footer-cols{
    display:grid;
    grid-template-columns:1.45fr .8fr .9fr 1fr;
    gap:42px;
  }
  .footer-brand .brand .brand-title{
    color:#fff;
  }
  .footer-brand .brand .brand-sub{
    color:#BFD8E4;
  }
  .footer-desc{
    color:#AAC4D0;
    font-size:13px;
    line-height:1.9;
    max-width:34em;
    margin-top:18px;
  }
  .footer-title{
    color:#fff;
    font-size:16px;
    font-weight:800;
    margin-bottom:18px;
    letter-spacing:.2px;
  }
  .footer-links{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .footer-links a{
    color:#AAC4D0;
    font-size:13.5px;
    transition:color .2s ease,padding-left .2s ease;
  }
  .footer-links a:hover{
    color:#fff;
    padding-left:4px;
  }
  .footer-contact{
    display:flex;
    flex-direction:column;
    gap:12px;
    color:#AAC4D0;
    font-size:13.5px;
    line-height:1.7;
  }
  .footer-contact svg{
    width:17px;
    height:17px;
    flex:0 0 17px;
    color:#7FB4CA;
  }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);
  }
  .footer-bottom-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    padding-top:22px;
    padding-bottom:22px;
    font-size:13px;
    color:#8FB3C1;
  }
  .footer-bottom-inner a{
    color:#C3DBE6;
  }
  .footer-bottom-links{
    display:flex;
    gap:22px;
  }
  .footer-bottom-links a{
    color:#AAC4D0;
    font-size:12.5px;
  }
  .footer-bottom-links a:hover{
    color:#fff;
  }

  /* ---------- Reveal Modal ---------- */
  .help-modal.reveal{
    background:var(--surface);
    border-radius:22px;
    border:1px solid var(--line);
    padding:32px 30px 26px;
    box-shadow:0 20px 60px rgba(17,57,76,.18);
    max-width:580px;
  }
  .help-modal .close-button{
    width:38px;
    height:38px;
    right:12px;
    top:12px;
    border-radius:50%;
    background:var(--surface-soft);
    color:var(--text-soft);
    font-size:22px;
    line-height:1;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:background-color .2s ease,color .2s ease,transform .2s ease;
  }
  .help-modal .close-button:hover{
    background:var(--primary-tint);
    color:var(--primary-deep);
    transform:rotate(90deg);
  }
  .modal-head h3{
    font-size:24px;
    font-weight:800;
    color:var(--text);
  }
  .modal-head p{
    color:var(--text-soft);
    font-size:14px;
    margin-top:8px;
  }
  .help-form{
    margin-top:22px;
  }
  .form-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
  }
  .form-item{
    display:flex;
    flex-direction:column;
    gap:6px;
    margin-bottom:16px;
  }
  .form-item label{
    font-size:14px;
    font-weight:700;
    color:var(--text);
  }
  .form-item input,
  .form-item select,
  .form-item textarea{
    border:1px solid var(--line);
    border-radius:10px;
    background:#fff;
    font-size:15px;
    color:var(--text);
    padding:0 14px;
    min-height:44px;
    width:100%;
    transition:border-color .2s ease,box-shadow .2s ease;
    appearance:none;
    -webkit-appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235E7783' stroke-width='1.6' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat:no-repeat;
    background-position:right 14px center;
  }
  .form-item input, .form-item select{
    padding-right:40px;
  }
  .form-item textarea{
    min-height:108px;
    padding:12px 14px;
    line-height:1.7;
    background-image:none;
    resize:vertical;
  }
  .form-item input::placeholder,
  .form-item textarea::placeholder{
    color:var(--text-faint);
  }
  .form-item input:focus,
  .form-item select:focus,
  .form-item textarea:focus{
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(43,127,165,.16);
  }
  .form-status{
    display:none;
    background:var(--success-tint);
    color:#256C4A;
    border-radius:12px;
    padding:12px 14px;
    font-size:13.5px;
    line-height:1.7;
    margin-bottom:14px;
  }
  .form-submit-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    margin-top:6px;
  }
  .privacy-tip{
    font-size:12.5px;
    color:var(--text-faint);
    line-height:1.8;
    margin-top:14px;
    display:flex;
    gap:6px;
  }

  /* ---------- 响应式 ---------- */
  @media screen and (max-width:1024px){
    .cat-hero-grid{
      grid-template-columns:1fr 380px;
      gap:32px;
    }
    .verify-grid{
      grid-template-columns:repeat(2,1fr);
    }
    .footer-cols{
      grid-template-columns:1fr 1fr;
    }
    .split-grid{
      grid-template-columns:1fr;
      gap:26px;
    }
    .process-wrap{
      grid-template-columns:1fr;
      gap:34px;
    }
    .process-side{
      position:static;
    }
  }
  @media screen and (max-width:900px){
    .cat-hero-grid{
      grid-template-columns:1fr;
    }
    .cat-hero-aside{
      padding-top:0;
    }
    .cat-hero h1{
      font-size:36px;
    }
  }
  @media screen and (max-width:768px){
    :root{
      --section-space:64px;
    }
    .brand-bar-inner{
      flex-wrap:wrap;
      min-height:64px;
      gap:12px;
      padding-top:12px;
      padding-bottom:12px;
    }
    .brand-actions{
      width:100%;
      justify-content:space-between;
    }
    .brand-title{
      font-size:17px;
    }
    .cat-hero-inner{
      padding-top:30px;
    }
    .cat-hero h1{
      font-size:30px;
    }
    .hero-lead{
      font-size:15px;
    }
    .jump-anchor{
      border-radius:20px;
      padding:12px;
    }
    .jump-anchor a{
      padding:6px 12px;
      font-size:13px;
    }
    .anchor-section{
      padding-top:20px;
    }
    .entrance-section{
      padding-top:70px;
    }
    .section-heading h2{
      font-size:25px;
    }
    .split-body h2{
      font-size:26px;
    }
    .verify-grid{
      grid-template-columns:1fr;
    }
    .risk-cols{
      grid-template-columns:1fr;
    }
    .assist-panel{
      grid-template-columns:1fr;
      gap:24px;
      padding:30px 24px;
    }
    .assist-action .btn{
      height:50px;
    }
    .footer-cols{
      grid-template-columns:1fr;
      gap:32px;
    }
    .footer-top{
      padding:50px 0 40px;
    }
    .footer-bottom-inner{
      flex-direction:column;
      align-items:flex-start;
    }
    .help-modal{
      padding:24px 18px 20px;
    }
    .form-row{
      grid-template-columns:1fr;
      gap:0;
    }
    .btn{
      min-height:48px;
    }
    .cat-hero-actions .btn{
      width:100%;
    }
    .return-inner{
      flex-direction:column;
      align-items:flex-start;
    }
  }
  @media screen and (max-width:520px){
    .grid-container{
      padding-left:18px;
      padding-right:18px;
    }
    .brand-word .brand-title{
      font-size:16px;
    }
    .brand-mark{
      flex-basis:40px;
      width:40px;
      height:40px;
    }
    .chip-line{
      display:none;
    }
    .nav-item{
      padding:8px 14px;
      font-size:14px;
    }
    .cat-hero h1{
      font-size:27px;
    }
    .section-heading h2{
      font-size:23px;
    }
    .split-body h2{
      font-size:24px;
    }
    .process-list li{
      grid-template-columns:48px 1fr;
      gap:12px;
    }
    .process-num{
      width:46px;
      height:46px;
      font-size:17px;
      border-radius:14px;
    }
    .process-list li:not(:last-child)::after{
      left:23px;
    }
    .assist-panel{
      padding:26px 18px;
    }
    .assist-panel h2{
      font-size:23px;
    }
  }

/* roulang page: category2 */
:root{
  --primary:#2B7FA5;
  --primary-deep:#14536E;
  --primary-dark:#185E78;
  --primary-tint:#E9F2F7;
  --accent:#F2A33C;
  --accent-deep:#E08A1B;
  --accent-ink:#2A1D0B;
  --bg:#F3F7FA;
  --surface:#ffffff;
  --surface-soft:#EAF0F4;
  --line:#DCE6EB;
  --text:#162A33;
  --text-soft:#5E7783;
  --text-faint:#92A8B3;
  --success:#2F8F6B;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-card:0 10px 30px rgba(17,57,76,.08);
  --shadow-float:0 18px 40px rgba(17,57,76,.13);
  --space-section:104px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
p{madding:0}
h1,h2,h3,h4{font-weight:700;color:var(--text);margin:0;line-height:1.3;letter-spacing:.01em}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
.grid-container.wide{max-width:1260px}
.text-center{text-align:center}

/* Header — Brand Bar */
.site-header{background:#ffffff;border-bottom:1px solid var(--line);position:relative;z-index:50;box-shadow:0 2px 10px rgba(17,57,76,.03)}
.brand-bar{padding:14px 0 12px;border-bottom:1px solid #EEF3F6}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:50px;height:50px;flex:0 0 50px}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-word{display:flex;flex-direction:column;line-height:1.1}
.brand-title{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.01em}
.brand-sub{font-size:13px;font-weight:600;color:var(--primary-dark);letter-spacing:.14em;margin-top:2px}
.brand-actions{display:flex;align-items:center;gap:18px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--primary-tint);color:var(--primary-deep);font-size:12.5px;padding:6px 14px;border-radius:100px;font-weight:500}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block}

/* Channel nav */
.channel-bar{background:#fff;border-bottom:1px solid var(--line)}
.channel-nav-wrap{overflow-x:auto;scrollbar-width:none;max-width:100%;-webkit-overflow-scrolling:touch}
.channel-nav-wrap::-webkit-scrollbar{display:none}
.channel-nav{display:flex;align-items:center;gap:4px;padding:4px 0;min-width:max-content}
.channel-nav .nav-item{font-size:15px;font-weight:550;padding:10px 18px;border-radius:100px;color:var(--text-soft);white-space:nowrap;transition:all .2s ease;line-height:1.2}
.channel-nav .nav-item:hover{background:var(--primary-tint);color:var(--primary-deep)}
.channel-nav .nav-item.active{background:var(--primary-tint);color:var(--primary-deep);font-weight:600}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:100px;font-weight:600;min-height:44px;padding:0 26px;font-size:15.5px;border:2px solid transparent;cursor:pointer;transition:all .22s cubic-bezier(.2,.7,.3,1);line-height:1.2;text-align:center}
.btn svg,.btn i{width:17px;height:17px}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);transform:translateY(-2px);box-shadow:0 12px 26px rgba(224,138,27,.28)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:transparent;color:var(--primary-deep);border-color:#9ABDD1}
.btn-outline:hover{border-color:var(--primary-deep);background:rgba(20,83,110,.06)}
.btn-outline:active{transform:scale(.98)}
.btn-white{background:#fff;color:var(--primary-dark);border-color:#fff}
.btn-white:hover{background:#EAF0F4;color:var(--primary-dark);transform:translateY(-2px)}
.btn-darkblue{background:var(--primary-dark);color:#fff;border-color:var(--primary-dark)}
.btn-darkblue:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(20,83,110,.26)}
.btn:focus,button:focus,a:focus{outline:2px solid rgba(43,127,165,.45);outline-offset:3px}
.btn-sm{min-height:40px;padding:0 20px;font-size:14.5px}

/* Card base */
.card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid rgba(220,230,235,.7);box-shadow:var(--shadow-card);padding:34px 34px 30px}
.card-icon{width:58px;height:58px;border-radius:18px;background:var(--primary-tint);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card-icon svg{width:30px;height:30px;stroke:var(--primary-deep);fill:none;stroke-width:1.6}

/* Tags */
.tag{display:inline-flex;align-items:center;border-radius:100px;font-size:13px;font-weight:550;background:var(--primary-tint);color:var(--primary-deep);padding:4px 13px;white-space:nowrap}
.tag-sm{font-size:12px;padding:2px 10px}
.tag-warm{background:#FEF0DD;color:#B5690B}
.tag-green{background:#E7F4EF;color:#237353}
.section{position:relative}
.section-m{width:100%;padding:var(--space-section) 0}
.section-head{margin-bottom:44px}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary-dark);letter-spacing:.08em;margin-bottom:12px;text-transform:uppercase}
.section-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;display:inline-block}
.section-title{font-size:30px;font-weight:800;line-height:1.3}
.section-sub{font-size:15px;color:var(--text-soft);max-width:770px;line-height:1.8;margin-top:14px}
.section-foot{margin-top:40px}

/* Breadcrumb hero style for category page */
.cat-hero{background:#ffffff;padding:46px 0 36px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center 20% / cover no-repeat;opacity:.06;pointer-events:none}
.cat-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--text-faint);margin-bottom:20px}
.breadcrumb a{color:var(--text-soft)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5;margin:0 2px}
.cat-hero h1{font-size:36px;font-weight:850;line-height:1.22;color:var(--text);margin:6px 0 14px}
.cat-hero .lead{font-size:16.5px;color:var(--text-soft);max-width:850px;line-height:1.85}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:18px 30px;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-faint)}
.anchor-strip{background:#fff;border-bottom:1px solid var(--line);margin-top:0}
.anchor-strip .grid-container{display:flex;gap:6px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.anchor-strip .grid-container::-webkit-scrollbar{display:none}
.anchor-strip a{flex:0 0 auto;padding:7px 16px;border-radius:100px;font-size:14px;background:var(--bg);color:var(--text-soft);font-weight:500;margin-right:4px}
.anchor-strip a:hover{background:var(--primary-tint);color:var(--primary-dark)}
.category-wrap{padding:88px 0 64px}
.page-with-aside{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:50px;align-items:start}


/* Aside side */
.aside-card{background:#fff;border-radius:16px;border:1px solid var(--line);padding:24px;margin-bottom:18px;box-shadow:0 4px 16px rgba(17,57,76,.04)}
.aside-title{font-size:15px;font-weight:700;color:var(--text);padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid #EEF2F5}
.aside-nav{display:flex;flex-direction:column;gap:2px}
.aside-nav a{font-size:14.5px;color:var(--text-soft);padding:8px 10px;border-radius:8px;transition:all .18s}
.aside-nav a::before{content:"› ";color:var(--accent);font-weight:700;margin-right:4px}
.aside-nav a:hover{color:var(--primary-dark);background:var(--primary-tint)}
.aside-note{background:var(--primary-tint);border-radius:16px;padding:20px}
.aside-note p{font-size:14px;color:var(--primary-deep);line-height:1.7;margin:0}
.aside-note svg{width:26px;height:26px;stroke:var(--primary-deep);margin-bottom:8px;fill:none;stroke-width:1.7}

/* Page content general long form */
.main-article{max-width:860px}
.story-block{margin-bottom:38px}
.story-block h2{font-size:26px;font-weight:750;margin-bottom:16px;line-height:1.4;color:var(--text)}
.story-block h3{font-size:19px;font-weight:700;margin-bottom:10px}
.story-block p{line-height:1.85;color:#2C454F;font-size:16.5px;margin-bottom:20px}
.story-block ul{margin:0 0 20px;padding-left:2px}
.story-block ul li{padding-left:22px;position:relative;line-height:1.8;color:#2C454F;margin-bottom:4px}
.story-block ul li::before{content:"";width:7px;height:7px;border-radius:100%;background:var(--primary);position:absolute;left:4px;top:14px}
.lead-card{background:var(--surface-soft);border-radius:16px;padding:26px 28px;margin-bottom:28px;border-left:4px solid var(--primary)}
.lead-card p{color:#214251;line-height:1.8;margin:0}
.insight-item{display:flex;gap:15px;background:#F9FBFD;border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:14px;transition:box-shadow .2s}
.insight-item:hover{box-shadow:var(--shadow-card)}
.insight-num{font-size:22px;font-weight:850;color:var(--primary);font-variant-numeric:tabular-nums;flex:0 0 42px;line-height:1.2}
.insight-main h4{font-size:17px;font-weight:650;margin-bottom:6px}
.insight-main p{font-size:14.5px;color:var(--text-soft);line-height:1.7;margin:0}

/* Feature rows / image-text alternation */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;margin-bottom:80px}
.feature-row:last-child{margin-bottom:0}
.feature-media{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-float)}
.feature-media img{width:100%;height:100%;object-fit:cover;min-height:250px}
.feature-content .fx-label{display:inline-block;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.06em;margin-bottom:12px}
.feature-content h2{font-size:27px;margin-bottom:16px;line-height:1.4}
.feature-content p{font-size:15.5px;line-height:1.85;color:#476371}
.feature-content ul{display:flex;flex-direction:column;gap:8px;margin:20px 0 24px}
.feature-content ul li{position:relative;padding-left:28px;color:#4B626E;font-size:15px}
.feature-content ul li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:800}
@media(max-width:1279px){
  .feature-row{gap:36px}
}
@media(max-width:900px){
  .feature-row{grid-template-columns:1fr;gap:28px;margin-bottom:56px}
  .feature-media img{min-height:0}
}

/* Callout and flow board */
.flow-panel{background:#fff;border-radius:20px;padding:38px 42px;box-shadow:var(--shadow-card);border:1px solid var(--line)}
.flow-arrow{color:var(--accent);font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 16px;flex:0 0 auto;font-family:"SF Serif" serif}
.step-list{display:flex;align-items:stretch;justify-content:space-between;flex-wrap:wrap}
.step-item{flex:1;min-width:110px;text-align:center}
.step-kicker{display:inline-flex;align-items:center;gap:6px;background:var(--primary-tint);border-radius:100px;font-size:12.5px;font-weight:700;color:var(--primary-dark);padding:3px 12px}
.step-text{font-size:13.5px;color:var(--text-soft);line-height:1.55;margin-top:6px;text-align:center}

/* Dark stat strip */
.dark-statbar{background:linear-gradient(118deg,#185E78 2%,#11475F 88%);padding:56px 0;border-radius:30px;position:relative;color:#fff;margin-top:100px;overflow:hidden}
.dark-statbar .grid-container{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{text-align:center;padding:0 8px}
.stat-num{font-size:44px;font-weight:850;line-height:1;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.stat-num em{font-style:normal;color:var(--accent)}
.stat-label{color:#AFD0E0;font-size:14px;margin-top:10px;line-height:1.5}
@media(max-width:900px){
  .dark-statbar .grid-container{grid-template-columns:repeat(2,1fr);gap:20px 16px}
}

/* Table */
.custom-table-wrap{overflow-x:auto;border-radius:14px;border:1px solid #CFDCE4}
.tbl{width:100%;border-collapse:collapse;min-width:620px;background:#fff;font-size:14px}
.tbl th{background:#EAF1F5;color:#15465D;font-weight:700;padding:13px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px;letter-spacing:.02em}
.tbl td{padding:13px 20px;border-bottom:1px solid #EDF2F5;color:#3A5563;vertical-align:top}
.tbl tr:last-child td{border-bottom:none}
.tbl td:first-child{font-weight:650;color:var(--text)}
.tbl .link-cell a{color:var(--primary);font-weight:600}

/* FAQ */
.accordion-item{background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:0 4px 12px rgba(17,57,76,.04);margin-bottom:12px;overflow:hidden}
.accordion-title{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 24px;font-size:16px;font-weight:650;color:var(--text);cursor:pointer;transition:background .2s ease;user-select:none;min-height:56px}
.accordion-title:hover{background:#FAFCFE}
.accordion-title .acc-arrow{width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:#EAF0F4;display:flex;align-items:center;justify-content:center;color:var(--primary-dark);font-size:14px;transition:transform .3s ease}
.accordion-item.is-active .acc-arrow{transform:rotate(135deg)}
.accordion-content{max-height:0;overflow:hidden;transition:max-height .3s ease}
.accordion-content-inner{padding:0 25px 24px;border-top:1px solid #EDF2F5;margin-top:14px;padding-top:16px;line-height:1.8;font-size:15px;color:#445C69}
.accordion-content-inner ul{padding-left:2px;margin:8px 0 0}
.accordion-content-inner li{padding-left:18px;position:relative;margin-bottom:4px}
.accordion-content-inner li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:100%;background:var(--primary)}

/* Card box list (mini rows for sublinks) */
.link-tile-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:14px}
.mini-tile{background:#F9FBFD;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:all .2s ease;display:flex;align-items:flex-start;gap:12px}
.mini-tile:hover{background:var(--primary-tint);border-color:#BCD2DE}
.mini-tile i{color:var(--primary-dark);font-size:19px;margin-top:3px;min-width:23px}
.mini-tile .tile-info strong{font-size:15px}
.mini-tile .tile-info p{font-size:13px;color:var(--text-soft);line-height:1.5;margin:4px 0 0}
@media(max-width:680px){.link-tile-row{grid-template-columns:1fr}}

/* List rows content style */
.content-row{border-bottom:1px solid #E6EDF2;padding:20px 6px;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:18px;transition:background .15s;border-radius:10px}
.content-row:hover{background:#F5F9FC}
.content-row .t-title{font-size:16px;font-weight:600;line-height:1.5}
.content-row .t-title a{color:var(--text)}
.content-row .t-title a:hover{color:var(--primary)}
.content-row .t-desc{font-size:14px;color:var(--text-soft);line-height:1.6;margin-top:8px;max-width:620px}
.content-row .badge-update{background:#EAFAF2;color:#1D7655;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:100px}
.content-row .time-col{color:var(--text-faint);font-size:13.5px;white-space:nowrap}
@media(max-width:900px){.content-row{grid-template-columns:1fr auto}}
@media(max-width:700px){.content-row{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:18px 12px}}

/* CTA block */
.cta-band{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:44px 50px;display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:800}
.cta-band p{color:var(--text-soft);font-size:15px;max-width:580px;margin:8px 0 0}
.cta-band .btn{margin-top:6px}
.privacy-note{font-size:12px;color:var(--text-faint);display:block;margin-top:14px;line-height:1.7;max-width:640px}

/* contact / form bottom */
.form-intro-panel{background:linear-gradient(133deg,#F5FAFC 0%,#EBF3F8 100%);border:1px solid var(--line);border-radius:var(--radius-lg);padding:50px}
.form-intro-title{font-size:24px;color:var(--text);font-weight:800}
.form-intro-sub{color:var(--text-soft);margin:14px 0 0;font-size:15px;line-height:1.8;max-width:600px}

/* footer */
.site-footer{background:#1C465A;color:#C6D8E2;margin-top:100px}
.footer-top{padding:58px 0 44px}
.footer-cols{display:grid;grid-template-columns:2.2fr 1fr 1.3fr 1.5fr;gap:36px}
.footer-brand .brand .brand-title{color:#E7EEF2}
.footer-brand .brand .brand-sub{color:#8FC3DA}
.footer-desc{color:#8CAEBD;font-size:13.5px;line-height:1.8;max-width:320px;margin:18px 0 0}
.footer-title{color:#fff;font-size:15px;font-weight:650;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:#9CBCCB;font-size:14px;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:14px}
.footer-contact div{color:#ADC9D5;font-size:13.5px;display:inline-flex;align-items:center;gap:10px;line-height:1.6}
.footer-contact svg{width:18px;height:18px;flex:0 0 18px;opacity:.8}
.footer-btm{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;font-size:13px;color:#7DA3B4}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.footer-legal{display:flex;gap:10px}
.footer-legal span.sep{opacity:.4}

/* Reveal modal */
.reveal-overlay{display:none}
#helpModal{display:none}

/* Utility */
.mt-1{margin-top:14px}.mt-2{margin-top:28px}.mt-3{margin-top:54px}.mb-2{margin-bottom:28px}
.rounded-20{border-radius:20px}
.surface-soft-bg{background:var(--surface-soft)}
.flex-sm{display:flex;gap:12px}
@media(max-width:480px){.flex-sm{flex-direction:column}}
.small-note{font-size:12.5px;color:var(--text-faint)}
.font-tabular{font-variant-numeric:tabular-nums}

/* Modal content styling */
.helpModal-wrap{padding:10px 0}
.form-title{font-size:22px;font-weight:750;color:var(--text)}
.helpModal-wrap label{font-size:14px;font-weight:600}
.helpModal-wrap select,.helpModal-wrap input{border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:15px;line-height:1.5;background:#fff}
.helpModal-wrap select:focus,.helpModal-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,127,165,.18)}
.reveal{border-radius:22px;border:none;padding:40px 36px;background:#fff;box-shadow:0 8px 60px rgba(17,57,76,.25)}
.reveal-close i{color:var(--text-faint)}
.small-label{font-size:12.5px;color:var(--text-faint)}

/* colored cards for sections */
.col-card{border-radius:18px;padding:28px 26px;border:1px solid #E2EBF0;height:100%;background:#fff;transition:all .22s}
.col-card:hover{box-shadow:var(--shadow-card)}
.col-num{width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;margin-bottom:16px;font-variant-numeric:tabular-nums}
.col-card h3{font-size:17px;margin-bottom:10px}
.col-card p{font-size:14.5px;color:var(--text-soft);line-height:1.75;margin:0}

/* media queries */
@media(max-width:1024px){
  .page-with-aside{grid-template-columns:1fr;gap:40px}
  .aside-rail{display:none}
  :root{--space-section:80px}
}
@media(max-width:768px){
  :root{--space-section:64px}
  .brand-bar-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .brand-actions{width:100%;justify-content:space-between}.brand-actions .btn{flex:0 1 auto}
  .cat-hero h1{font-size:29px}
  .section-title{font-size:24px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:30px 28px}
  .step-list{flex-wrap:wrap;gap:22px}
  .dark-statbar{border-radius:20px}
  .form-intro-panel{padding:30px 24px}
  .content-row .time-col,.content-row .badge-update{grid-column:auto}
}
@media(max-width:520px){
  .chip{display:none}
  .brand-actions .btn{width:100%}
  .cat-hero{padding:32px 0 24px}
  .cat-hero h1{font-size:24px}
  .footer-cols{grid-template-columns:1fr;gap:30px}
  .anchor-strip a{font-size:13.5px}
  .feature-content h2{font-size:22px}
  .btn{white-space:nowrap}
  .cta-band .btn{width:100%}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
}
.no-focus:focus-visible{outline:none}
.observe-link-tile{ text-decoration:inherit; }