/* roulang page: index */
:root{
  --ink:#2B1E4A;
  --nebula:#5B3E9E;
  --starc:#38D6C9;
  --tomato:#FF6B4A;
  --gold:#FFC857;
  --soft:#F7F4FF;
  --mint:#EEF9F7;
  --night:#17102B;
  --text:#1B1530;
  --muted:#6B6380;
  --line:#E7E3F2;
  --radius-card:24px;
  --radius-btn:999px;
  --radius-input:14px;
  --shadow-card:0 20px 60px rgba(43,30,74,.12);
  --shadow-hover:0 28px 80px rgba(43,30,74,.18);
  --grad-brand:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 48%,#38D6C9 100%);
  --grad-cta:linear-gradient(135deg,#FF6B4A 0%,#FFC857 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:#ffffff;
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--nebula)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:1rem;padding-right:1.5rem}
@media (min-width:640px){.wrap{padding-left:1.5rem;padding-right:1.5rem}}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.star-field{
  background-image:
    radial-gradient(1.6px 1.6px at 18% 26%,rgba(255,255,255,.75) 50%,transparent 51%),
    radial-gradient(1.4px 1.4px at 62% 14%,rgba(255,255,255,.6) 50%,transparent 51%),
    radial-gradient(1.8px 1.8px at 82% 58%,rgba(56,214,201,.75) 50%,transparent 51%),
    radial-gradient(1.3px 1.3px at 33% 74%,rgba(255,255,255,.55) 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 82%,rgba(255,200,87,.7) 50%,transparent 51%);
}
.hero-shell{
  position:relative;
  background-image:linear-gradient(135deg,rgba(23,16,43,.92) 0%,rgba(43,30,74,.86) 46%,rgba(91,62,158,.78) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-shell::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(600px 220px at 12% 8%,rgba(56,214,201,.22),transparent 70%),
    radial-gradient(520px 240px at 88% 82%,rgba(255,107,74,.18),transparent 72%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.grad-text{
  background:linear-gradient(135deg,#FFC857 0%,#FF6B4A 55%,#38D6C9 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:var(--radius-btn);
  font-weight:600;font-size:.98rem;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background-position .32s ease,background-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--starc);outline-offset:3px}
.btn-primary{
  background-image:var(--grad-cta);
  background-size:160% 160%;
  background-position:0% 50%;
  color:#2B1E4A;
  box-shadow:0 14px 34px rgba(255,107,74,.34);
}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 50%;box-shadow:0 20px 46px rgba(255,107,74,.42);color:#2B1E4A}
.btn-ghost{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);color:#fff}
.btn-outline{
  background:#fff;border:1px solid var(--line);color:var(--ink);
  box-shadow:0 8px 22px rgba(43,30,74,.08);
}
.btn-outline:hover{transform:translateY(-2px);border-color:var(--starc);color:var(--nebula)}
.badge{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.28rem .78rem;border-radius:999px;
  font-size:.76rem;font-weight:600;letter-spacing:.02em;
}
.badge-cyan{background:rgba(56,214,201,.14);color:#0E8C81;border:1px solid rgba(56,214,201,.35)}
.badge-orange{background:rgba(255,107,74,.13);color:#C13E1F;border:1px solid rgba(255,107,74,.32)}
.badge-gold{background:rgba(255,200,87,.18);color:#946200;border:1px solid rgba(255,200,87,.45)}
.badge-violet{background:rgba(91,62,158,.12);color:#4A2E8F;border:1px solid rgba(91,62,158,.28)}
.card{
  background:#fff;border:1px solid rgba(43,30,74,.08);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(91,62,158,.2)}
.media{position:relative;overflow:hidden;border-radius:18px;background:var(--grad-brand)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .media img{transform:scale(1.05)}
.section{padding-top:5rem;padding-bottom:5rem}
@media (min-width:768px){.section{padding-top:7rem;padding-bottom:7rem}}
.eyebrow{
  font-size:.82rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--nebula);
}
.h1{font-size:clamp(2.2rem,5vw,4rem);font-weight:700;line-height:1.16;letter-spacing:-.02em}
.h2{font-size:clamp(1.8rem,3.4vw,2.2rem);font-weight:650;line-height:1.28;letter-spacing:-.01em}
.h3{font-size:1.22rem;font-weight:600;line-height:1.45}
.lead{font-size:1.05rem;color:var(--muted);line-height:1.85}
.divider{height:1px;background:linear-gradient(90deg,rgba(43,30,74,0) 0%,rgba(43,30,74,.14) 50%,rgba(43,30,74,0) 100%)}
.stat-card{
  border-radius:20px;padding:1.15rem 1.25rem;
  background:#fff;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 14px 40px rgba(23,16,43,.16);
}
.stat-num{font-size:1.85rem;font-weight:700;line-height:1.1;letter-spacing:-.02em}
.mega-wrap{position:relative}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:min(960px,calc(100vw - 2rem));
  background:#fff;border:1px solid rgba(43,30,74,.08);
  border-radius:24px;box-shadow:0 30px 80px rgba(23,16,43,.22);
  padding:1.5rem;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  z-index:60;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:.76rem;font-weight:700;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:.85rem}
.mega-link{
  display:flex;align-items:flex-start;gap:.6rem;
  padding:.55rem .7rem;border-radius:14px;font-size:.92rem;font-weight:500;
  transition:background-color .2s ease,color .2s ease;
}
.mega-link:hover{background:var(--soft);color:var(--nebula)}
.nav-link{
  position:relative;padding:.55rem .2rem;font-size:.95rem;font-weight:500;color:#3B3355;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--starc),var(--tomato));
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:700}
.bento-lg{grid-column:span 12}
@media (min-width:1024px){
  .bento-lg-8{grid-column:span 8}
  .bento-lg-4{grid-column:span 4}
  .bento-lg-5{grid-column:span 5}
  .bento-lg-7{grid-column:span 7}
}
.step-line{position:relative}
.step-line::before{
  content:"";position:absolute;left:1.55rem;top:.6rem;bottom:.6rem;width:2px;
  background:linear-gradient(180deg,rgba(56,214,201,.7),rgba(91,62,158,.35),rgba(255,107,74,.5));
}
@media (min-width:1024px){
  .step-line::before{left:0;right:0;top:1.55rem;bottom:auto;height:2px;width:auto}
}
.faq-item{
  border:1px solid rgba(43,30,74,.09);
  border-left:3px solid rgba(91,62,158,.35);
  border-radius:16px;background:#fff;
  transition:background-color .2s ease,border-left-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{background:#FBF9FF;border-left-color:var(--starc)}
.faq-item[open]{border-left-color:var(--tomato);box-shadow:0 16px 40px rgba(43,30,74,.1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:1.05rem 1.2rem;font-weight:600;font-size:1rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--starc);outline-offset:2px;border-radius:14px}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:1rem;line-height:1;
  background:rgba(91,62,158,.1);color:var(--nebula);
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(255,107,74,.14);color:#C13E1F}
.faq-body{padding:0 1.2rem 1.1rem;color:var(--muted);font-size:.95rem;line-height:1.85}
.faq-item[open] .faq-body{animation:fadeUp .22s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.field{
  width:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-input);padding:.85rem 1rem;font-size:.95rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field::placeholder{color:#A49DB8}
.field:focus{outline:none;border-color:var(--starc);box-shadow:0 0 0 4px rgba(56,214,201,.18)}
.field-label{display:block;font-size:.86rem;font-weight:600;color:var(--ink);margin-bottom:.45rem}
.form-note{
  border-radius:16px;padding:.9rem 1.1rem;font-size:.9rem;font-weight:500;
  display:none;
}
.form-note.ok{display:block;background:rgba(56,214,201,.12);color:#0C7C73;border:1px solid rgba(56,214,201,.4)}
.form-note.err{display:block;background:rgba(255,107,74,.1);color:#C13E1F;border:1px solid rgba(255,107,74,.35)}
.foot-link{
  display:inline-block;font-size:.93rem;color:rgba(255,255,255,.72);
  padding:.18rem 0;transition:color .2s ease,box-shadow .2s ease;
}
.foot-link:hover{color:var(--starc);box-shadow:inset 0 -1px 0 0 var(--starc)}
.foot-bg{
  background-color:var(--night);
  background-image:linear-gradient(180deg,rgba(23,16,43,.94),rgba(23,16,43,.98)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  position:relative;overflow:hidden;
}
.foot-bg::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%,rgba(255,255,255,.5) 50%,transparent 51%),
    radial-gradient(1.6px 1.6px at 46% 68%,rgba(56,214,201,.55) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 78% 34%,rgba(255,200,87,.5) 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 88% 78%,rgba(255,255,255,.4) 50%,transparent 51%);
  opacity:.85;pointer-events:none;
}
.drawer{
  display:none;
}
.drawer.open{display:block}
@media (min-width:1024px){
  .drawer{display:none !important}
}
.drawer details > summary{list-style:none;cursor:pointer}
.drawer details > summary::-webkit-details-marker{display:none}
.img-fallback{background:var(--grad-brand)}
@media (max-width:1023px){
  .mega-panel{display:none}
}

/* roulang page: article */
:root{
  --midnight:#2B1E4A;
  --violet:#5B3E9E;
  --starc:#38D6C9;
  --tomato:#FF6B4A;
  --gold:#FFC857;
  --ink:#1B1530;
  --ink-2:#6B6380;
  --line:#E7E3F2;
  --bg-soft:#F7F4FF;
  --bg-mint:#EEF9F7;
  --deep:#17102B;
  --brand-grad:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 48%,#38D6C9 100%);
  --cta-grad:linear-gradient(135deg,#FF6B4A 0%,#FFC857 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --shadow-card:0 20px 60px rgba(43,30,74,.12);
  --shadow-hover:0 28px 80px rgba(43,30,74,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--starc);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:80rem;margin:0 auto;padding-left:1rem;padding-right:1rem}
@media(min-width:768px){.wrap{padding-left:1.5rem;padding-right:1.5rem}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand-mark{width:40px;height:40px;border-radius:16px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:1.02rem;background-image:linear-gradient(135deg,#5B3E9E 0%,#38D6C9 100%);box-shadow:0 10px 24px rgba(91,62,158,.28)}
.brand-text{font-size:1.02rem;font-weight:800;letter-spacing:.01em;color:var(--ink)}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:.55rem 0;font-size:.94rem;font-weight:500;color:#4B4360;background:none;border:none;cursor:pointer;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:linear-gradient(90deg,#5B3E9E,#38D6C9);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--violet)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--violet);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.mega-wrap{position:relative}
.mega-panel{position:absolute;right:0;top:calc(100% + 12px);width:min(880px,calc(100vw - 2rem));border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 28px 80px rgba(43,30,74,.18);padding:1.5rem;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:.74rem;letter-spacing:.16em;color:var(--ink-2);margin-bottom:.85rem;font-weight:700}
.mega-item{display:block;padding:.55rem .7rem;border-radius:12px;font-size:.9rem;color:#3D3653;transition:background .2s ease,color .2s ease,transform .2s ease}
.mega-item:hover{background:var(--bg-soft);color:var(--violet);transform:translateX(3px)}
.mega-card{border-radius:18px;padding:1rem;background-image:var(--brand-grad);color:#fff}
.m-link{display:block;padding:.7rem .9rem;border-radius:14px;font-size:.95rem;font-weight:600;color:#3D3653;transition:background .2s ease,color .2s ease}
.m-link:hover{background:var(--bg-soft);color:var(--violet)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;box-shadow:0 24px 48px rgba(43,30,74,.1)}
.mobile-panel.open{display:block}
.menu-btn{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;gap:4px;cursor:pointer}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--midnight)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:999px;font-weight:700;font-size:.95rem;padding:.78rem 1.5rem;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,border-color .2s ease,color .2s ease}
.btn-sm{padding:.6rem 1.15rem;font-size:.88rem}
.btn-primary{color:#fff;background-image:var(--cta-grad);background-size:180% 180%;background-position:0 0;box-shadow:0 14px 32px rgba(255,107,74,.3)}
.btn-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 20px 44px rgba(255,107,74,.42)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--violet);border-color:#D9D2EE}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--starc);color:#17796F;box-shadow:0 16px 36px rgba(56,214,201,.2)}
.btn-dark{background:var(--midnight);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(43,30,74,.3)}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:.35rem;border-radius:999px;font-size:.76rem;font-weight:700;padding:.32rem .8rem;letter-spacing:.02em}
.badge-violet{background:rgba(91,62,158,.1);color:#5B3E9E}
.badge-starc{background:rgba(56,214,201,.16);color:#17796F}
.badge-tomato{background:rgba(255,107,74,.12);color:#C43C1C}
.badge-gold{background:rgba(255,200,87,.22);color:#8A5D00}

/* Breadcrumb band */
.crumb-band{position:relative;background-image:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 58%,#2B1E4A 100%);overflow:hidden}
.crumb-band::before{content:"";position:absolute;inset:0;opacity:.9;background-image:radial-gradient(2px 2px at 18% 38%,rgba(255,255,255,.5),transparent),radial-gradient(1.7px 1.7px at 68% 24%,rgba(56,214,201,.55),transparent),radial-gradient(1.4px 1.4px at 44% 76%,rgba(255,200,87,.5),transparent),radial-gradient(1.2px 1.2px at 88% 66%,rgba(255,255,255,.35),transparent),radial-gradient(1.2px 1.2px at 8% 82%,rgba(255,255,255,.3),transparent)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.85rem;color:rgba(255,255,255,.72)}
.crumb a{color:rgba(255,255,255,.8);transition:color .2s ease}
.crumb a:hover{color:#38D6C9;text-decoration:underline}
.crumb .sep{color:rgba(255,255,255,.34)}
.crumb .now{color:#fff;font-weight:700;max-width:22rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-head{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:700;color:#fff;line-height:1.45;margin:.9rem 0 0}
.crumb-sub{color:rgba(255,255,255,.72);font-size:.92rem;margin:.6rem 0 0;max-width:46rem}

/* Article head */
.article-head{padding:2.6rem 0 1.4rem}
.h1{font-size:clamp(1.75rem,3.6vw,2.6rem);font-weight:700;line-height:1.32;letter-spacing:-.01em;margin:1rem 0 0;color:var(--ink);word-break:break-word}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:.55rem 1.1rem;margin-top:1.15rem;font-size:.85rem;color:var(--ink-2)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9C1DE}
.lead-line{margin-top:1.2rem;padding:1rem 1.2rem;border-radius:16px;background:var(--bg-soft);border:1px solid var(--line);color:#403A57;font-size:.95rem;line-height:1.8}

/* Article body typography */
.article-body{font-size:1.02rem;line-height:1.9;color:#2A2440;word-break:break-word}
.article-body p{margin:0 0 1.35rem}
.article-body h2{font-size:clamp(1.3rem,2.4vw,1.55rem);font-weight:700;margin:2.4rem 0 1rem;padding-left:.85rem;border-left:4px solid var(--starc);line-height:1.45;color:var(--midnight)}
.article-body h3{font-size:1.18rem;font-weight:700;margin:1.8rem 0 .8rem;color:var(--midnight)}
.article-body h4{font-size:1.04rem;font-weight:700;margin:1.5rem 0 .7rem;color:#3D3653}
.article-body ul,.article-body ol{margin:0 0 1.4rem;padding-left:1.3rem}
.article-body li{margin:.5rem 0}
.article-body li::marker{color:var(--violet)}
.article-body blockquote{margin:1.6rem 0;padding:1.1rem 1.3rem;background:var(--bg-soft);border-left:4px solid var(--violet);border-radius:0 16px 16px 0;color:#403A57}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.6rem 0;box-shadow:0 18px 44px rgba(43,30,74,.14)}
.article-body figure{margin:1.6rem 0}
.article-body figcaption{font-size:.86rem;color:var(--ink-2);text-align:center;margin-top:.6rem}
.article-body a{color:var(--violet);font-weight:600;border-bottom:1px solid rgba(91,62,158,.3);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:#17796F;border-bottom-color:var(--starc)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6rem 0;font-size:.94rem;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:.7rem .9rem;text-align:left}
.article-body th{background:var(--bg-soft);font-weight:700;color:var(--midnight)}
.article-body code{background:#F2EFFB;padding:.15rem .4rem;border-radius:6px;font-size:.9em;color:#4A2E8F}
.article-body pre{background:#1B1530;color:#EDE9F8;padding:1.1rem 1.2rem;border-radius:16px;overflow-x:auto;margin:1.6rem 0;font-size:.9rem}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2rem 0}

/* Cards */
.card{background:#fff;border:1px solid rgba(43,30,74,.08);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(56,214,201,.35)}
.card-media{position:relative;overflow:hidden;border-radius:var(--radius-lg) var(--radius-lg) 0 0;aspect-ratio:16/9;background-image:var(--brand-grad)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:1.25rem 1.35rem 1.4rem}
.card-title{font-size:1.04rem;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:.9rem;color:var(--ink-2);line-height:1.75;margin-top:.6rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:.6rem;margin-top:1rem;font-size:.8rem;color:var(--ink-2)}

/* Sidebar */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:1.2rem}
.side-card{background:#fff;border:1px solid rgba(43,30,74,.08);border-radius:20px;box-shadow:0 16px 44px rgba(43,30,74,.1);padding:1.25rem}
.side-title{font-size:.8rem;letter-spacing:.14em;font-weight:700;color:var(--ink-2);margin:0 0 .9rem}
.side-list{display:flex;flex-direction:column;gap:.35rem}
.side-link{display:block;padding:.6rem .75rem;border-radius:12px;font-size:.9rem;color:#3D3653;font-weight:600;transition:background .2s ease,color .2s ease,transform .2s ease}
.side-link:hover{background:var(--bg-soft);color:var(--violet);transform:translateX(3px)}
.side-cta{border-radius:20px;padding:1.35rem;background-image:var(--brand-grad);color:#fff;box-shadow:0 20px 52px rgba(43,30,74,.26)}
.side-cta .t{font-size:1.05rem;font-weight:700;line-height:1.5}
.side-cta .p{font-size:.86rem;color:rgba(255,255,255,.78);margin:.55rem 0 1rem;line-height:1.7}
.side-note{font-size:.8rem;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:.4rem;margin-top:.85rem}
.pulse{width:8px;height:8px;border-radius:50%;background:#38D6C9;box-shadow:0 0 0 4px rgba(56,214,201,.22)}

/* Empty state */
.empty-state{border:1px dashed #D9D2EE;border-radius:20px;background:var(--bg-soft);padding:2.4rem 1.6rem;text-align:center}
.empty-state h2{font-size:1.24rem;font-weight:700;margin:0 0 .7rem;color:var(--midnight)}
.empty-state p{color:var(--ink-2);font-size:.94rem;margin:0 auto 1.4rem;max-width:34rem;line-height:1.8}

/* CTA band */
.cta-band{position:relative;overflow:hidden;background-image:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 55%,#38D6C9 130%)}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.85;background-image:radial-gradient(2px 2px at 14% 30%,rgba(255,255,255,.45),transparent),radial-gradient(1.6px 1.6px at 74% 22%,rgba(255,200,87,.5),transparent),radial-gradient(1.4px 1.4px at 40% 78%,rgba(56,214,201,.55),transparent),radial-gradient(1.2px 1.2px at 90% 70%,rgba(255,255,255,.32),transparent)}

/* Footer */
.foot-bg{position:relative;background:#17102B;overflow:hidden}
.foot-bg::before{content:"";position:absolute;inset:0;opacity:.9;background-image:radial-gradient(1.8px 1.8px at 12% 22%,rgba(255,255,255,.32),transparent),radial-gradient(1.5px 1.5px at 62% 42%,rgba(56,214,201,.38),transparent),radial-gradient(1.3px 1.3px at 84% 74%,rgba(255,200,87,.32),transparent),radial-gradient(1.3px 1.3px at 32% 84%,rgba(255,255,255,.24),transparent)}
.foot-link{color:rgba(255,255,255,.68);font-size:.92rem;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.foot-link:hover{color:#38D6C9;border-bottom-color:#38D6C9}
.text-starc{color:#38D6C9}
.divider{height:1px;width:100%}

/* Section headings */
.sec-tag{font-size:.76rem;letter-spacing:.18em;font-weight:700;color:var(--violet)}
.sec-h2{font-size:clamp(1.45rem,3vw,2.1rem);font-weight:700;line-height:1.35;color:var(--midnight);margin:.75rem 0 0}
.sec-p{color:var(--ink-2);font-size:.98rem;line-height:1.85;margin:.9rem 0 0;max-width:46rem}

@media(max-width:1023px){
  .sidebar{position:static}
}
@media(max-width:640px){
  .crumb .now{white-space:normal;max-width:100%}
  .article-head{padding:2rem 0 1rem}
}

/* roulang page: category1 */
:root{
  --ink:#1B1530;
  --ink2:#6B6380;
  --line:#E7E3F2;
  --v900:#2B1E4A;
  --violet:#5B3E9E;
  --starc:#38D6C9;
  --tomato:#FF6B4A;
  --gold:#FFC857;
  --bg1:#F7F4FF;
  --bg2:#EEF9F7;
  --dark:#17102B;
  --rc:24px;
  --sh:0 20px 60px rgba(43,30,74,.12);
  --shh:0 28px 80px rgba(43,30,74,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg1);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{width:100%;max-width:80rem;margin:0 auto;padding:0 1.25rem}
@media(min-width:768px){.wrap{padding:0 1.5rem}}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.starc{color:var(--starc)}
.divider{height:1px;width:100%}

/* 导航 */
.nav-link{position:relative;font-size:.94rem;color:#413A5C;font-weight:500;padding:.4rem 0;transition:color .2s ease;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--violet),var(--starc));transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--v900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--v900);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:min(960px,calc(100vw - 2rem));
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shh);padding:1.6rem;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:.74rem;letter-spacing:.16em;color:var(--ink2);margin-bottom:.75rem}
.mega-link{display:block;font-size:.9rem;color:#413A5C;padding:.3rem 0;transition:color .2s ease}
.mega-link:hover{color:var(--violet)}
.mobile-drawer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.mobile-drawer.drawer-open{max-height:620px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:999px;padding:.85rem 1.65rem;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,button:focus-visible{outline:2px solid var(--starc);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,#FF6B4A 0%,#FFC857 100%);color:#2B1E4A;box-shadow:0 14px 34px rgba(255,107,74,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(255,107,74,.42)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.44);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--v900)}
.btn-outline:hover{border-color:var(--starc);color:var(--violet);transform:translateY(-2px);box-shadow:0 14px 30px rgba(43,30,74,.12)}
.btn-sm{padding:.6rem 1.15rem;font-size:.86rem}

/* 徽章 / 标签 */
.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.28rem .72rem;border-radius:999px;font-size:.75rem;font-weight:600;line-height:1.5}
.chip-violet{background:rgba(91,62,158,.1);color:#5B3E9E}
.chip-starc{background:rgba(56,214,201,.16);color:#1C8A81}
.chip-tomato{background:rgba(255,107,74,.12);color:#D24628}
.chip-gold{background:rgba(255,200,87,.22);color:#8A6100}
.chip-line{background:#fff;border:1px solid var(--line);color:var(--ink2)}

/* 卡片 */
.card{background:#fff;border:1px solid rgba(43,30,74,.08);border-radius:var(--rc);box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shh)}
.cover{overflow:hidden;border-radius:18px;background:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 48%,#38D6C9 100%)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .cover img{transform:scale(1.05)}
.arrow{color:var(--violet);font-weight:600;font-size:.88rem;transition:color .2s ease,transform .2s ease;display:inline-flex;align-items:center;gap:.3rem}
.card:hover .arrow{color:var(--starc);transform:translateX(3px)}

/* Hero */
.hero-bg{position:relative;background-image:linear-gradient(135deg,rgba(43,30,74,.95) 0%,rgba(91,62,158,.88) 48%,rgba(56,214,201,.6) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px),radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:64px 64px,112px 112px;background-position:0 0,32px 26px;
}
.glass-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);border-radius:24px;backdrop-filter:blur(4px)}

/* 统计 */
.stat{background:#fff;border:1px solid rgba(43,30,74,.08);border-radius:22px;box-shadow:var(--sh);padding:1.2rem 1.3rem;transition:transform .25s ease,box-shadow .25s ease}
.stat:hover{transform:translateY(-5px);box-shadow:var(--shh)}
.stat-num{font-size:1.9rem;font-weight:700;line-height:1.15}

/* 步骤轴 */
.step{position:relative;padding-left:3.4rem}
.step-num{position:absolute;left:0;top:0;width:2.5rem;height:2.5rem;border-radius:14px;display:grid;place-items:center;font-weight:700;color:#fff;background-image:linear-gradient(135deg,#5B3E9E 0%,#38D6C9 100%);font-variant-numeric:tabular-nums}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--violet);border-radius:16px;overflow:hidden;transition:background .2s ease,box-shadow .2s ease}
.faq-item + .faq-item{margin-top:.85rem}
.faq-item:hover{background:#FBFAFF;box-shadow:0 12px 30px rgba(43,30,74,.08)}
.faq-item[open]{box-shadow:0 16px 40px rgba(43,30,74,.1)}
.faq-item summary{cursor:pointer;list-style:none;padding:1.05rem 1.2rem;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:.98rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--violet);font-weight:700;font-size:1.1rem;line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 1.2rem 1.15rem;color:var(--ink2);font-size:.94rem;line-height:1.85}

/* 侧边色条列表项 */
.side-item{border-left:3px solid var(--starc);background:#fff;border-radius:0 18px 18px 0;padding:1rem 1.2rem;box-shadow:0 10px 28px rgba(43,30,74,.07);transition:transform .22s ease,box-shadow .22s ease}
.side-item:hover{transform:translateX(4px);box-shadow:0 16px 38px rgba(43,30,74,.12)}

/* 页脚 */
.foot-bg{background:var(--dark);position:relative;overflow:hidden}
.foot-bg::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.32;
  background-image:radial-gradient(rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:72px 72px;background-position:12px 18px;
}
.foot-link{position:relative;display:inline-block;color:rgba(255,255,255,.7);font-size:.92rem;padding:.14rem 0;transition:color .2s ease}
.foot-link::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--starc);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.foot-link:hover{color:var(--starc)}
.foot-link:hover::after{transform:scaleX(1)}

@media(max-width:520px){
  .stat-num{font-size:1.6rem}
  .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --ink:#1B1530;
  --ink-2:#6B6380;
  --line:#E7E3F2;
  --deep:#17102B;
  --deep-2:#2B1E4A;
  --nebula:#5B3E9E;
  --starc:#38D6C9;
  --tomato:#FF6B4A;
  --gold:#FFC857;
  --brand:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 48%,#38D6C9 100%);
  --cta:linear-gradient(135deg,#FF6B4A 0%,#FFC857 100%);
  --shadow:0 20px 60px rgba(43,30,74,.12);
  --shadow-h:0 28px 80px rgba(43,30,74,.18);
  --r-card:24px;
  --r-btn:999px;
  --r-input:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,#F7F4FF 0%,#EEF9F7 100%);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(56,214,201,.35)}

.wrap{width:100%;max-width:80rem;margin:0 auto;padding:0 1rem}
@media (min-width:768px){.wrap{padding:0 1.5rem}}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid rgba(43,30,74,.08);
  backdrop-filter:saturate(140%) blur(10px);
}
.logo-mark{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:1.05rem;
  background-image:var(--brand);
  box-shadow:0 10px 24px rgba(91,62,158,.28);
  flex:0 0 auto;
}
.logo-text{font-size:1.02rem;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.nav-link{
  position:relative;font-size:.95rem;font-weight:500;color:#5b5470;
  padding:.4rem 0;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:-4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--nebula),var(--starc));transition:right .26s ease;
}
.nav-link:hover{color:var(--nebula)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--nebula);font-weight:700}
.nav-link.active::after{right:0}
.nav-link:focus-visible,.foot-link:focus-visible,.btn:focus-visible,.mega-btn:focus-visible{
  outline:2px solid var(--starc);outline-offset:3px;border-radius:6px;
}

.mega-wrap{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:.5rem;
  border:1px solid var(--line);background:#fff;color:var(--deep-2);
  border-radius:999px;padding:.55rem 1rem;font-size:.9rem;font-weight:600;
  cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s;
}
.mega-btn:hover{border-color:rgba(91,62,158,.35);box-shadow:0 10px 26px rgba(43,30,74,.12);transform:translateY(-1px)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:min(960px,calc(100vw - 2rem));
  background:#fff;border:1px solid rgba(43,30,74,.08);border-radius:24px;
  box-shadow:0 30px 80px rgba(43,30,74,.22);padding:1.5rem;
  opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;z-index:70;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.mega-col-title{font-size:.74rem;letter-spacing:.16em;color:var(--ink-2);font-weight:700;margin-bottom:.85rem}
.mega-item{
  display:flex;align-items:center;gap:.6rem;padding:.5rem .6rem;border-radius:12px;
  font-size:.92rem;color:var(--ink);transition:background .2s,color .2s,transform .2s;
}
.mega-item:hover{background:#F4F1FF;color:var(--nebula);transform:translateX(2px)}
.mega-item i{color:var(--nebula);font-size:.78rem}
.mega-entry{
  border-radius:18px;padding:1rem;
  background:linear-gradient(150deg,#F6F3FF 0%,#EDFAF8 100%);
  border:1px solid rgba(91,62,158,.12);
}
.mega-entry strong{display:block;font-size:.98rem;margin-bottom:.3rem}
.mega-entry span{font-size:.82rem;color:var(--ink-2);line-height:1.6;display:block}
.mega-mini{
  display:inline-flex;align-items:center;gap:.4rem;margin-top:.75rem;
  font-size:.82rem;font-weight:700;color:var(--nebula);
}
.mega-mini:hover{color:var(--tomato)}

.nav-toggle{
  width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
  display:grid;place-items:center;background:#fff;cursor:pointer;color:var(--deep-2);
  transition:border-color .2s,box-shadow .2s;
}
.nav-toggle:hover{border-color:rgba(91,62,158,.35);box-shadow:0 8px 20px rgba(43,30,74,.12)}
.nav-check{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.m-drawer{
  max-height:0;overflow:hidden;opacity:0;visibility:hidden;
  transition:max-height .35s ease,opacity .28s ease,visibility .28s ease;
  background:#fff;border-top:1px solid rgba(43,30,74,.06);
}
.nav-check:checked ~ .m-drawer{max-height:640px;opacity:1;visibility:visible}
.m-drawer-inner{padding:1rem 0 1.5rem}
.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:.85rem .6rem;border-bottom:1px solid rgba(43,30,74,.06);
  font-size:1rem;font-weight:600;color:var(--ink);
}
.m-link:hover{color:var(--nebula);background:#F8F6FF}
.m-link.active{color:var(--nebula)}
.m-link i{font-size:.75rem;color:var(--ink-2)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  border-radius:var(--r-btn);font-weight:700;font-size:.95rem;
  padding:.78rem 1.6rem;border:1px solid transparent;cursor:pointer;
  background-size:170% 170%;background-position:0% 50%;
  transition:transform .2s ease,box-shadow .25s ease,background-position .45s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{color:#fff;background-image:var(--cta)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,74,.36);background-position:100% 50%}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--deep-2)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(91,62,158,.32);color:var(--nebula)}
.btn-dark{background-image:var(--brand);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(43,30,74,.34)}
.btn:active{transform:scale(.98)}
.btn-sm{padding:.6rem 1.15rem;font-size:.88rem}

/* ============ Badges & stats ============ */
.pill{
  display:inline-flex;align-items:center;gap:.45rem;
  border-radius:999px;padding:.34rem .85rem;font-size:.78rem;font-weight:700;
  background:rgba(91,62,158,.09);color:var(--nebula);border:1px solid rgba(91,62,158,.16);
}
.pill-cyan{background:rgba(56,214,201,.14);color:#177f76;border-color:rgba(56,214,201,.3)}
.pill-orange{background:rgba(255,107,74,.13);color:#c8442a;border-color:rgba(255,107,74,.28)}
.pill-gold{background:rgba(255,200,87,.18);color:#9a6c07;border-color:rgba(255,200,87,.36)}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--starc);box-shadow:0 0 0 4px rgba(56,214,201,.2);display:inline-block}

.stat{
  border-radius:20px;padding:1rem 1.1rem;background:#fff;
  border:1px solid rgba(43,30,74,.08);box-shadow:0 12px 32px rgba(43,30,74,.07);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat-label{font-size:.76rem;letter-spacing:.08em;color:var(--ink-2);font-weight:600}
.stat-num{font-size:1.65rem;font-weight:800;line-height:1.25;letter-spacing:-.01em}
.stat-num small{font-size:.8rem;font-weight:700;margin-left:.15rem;color:var(--ink-2)}
.stat-note{font-size:.78rem;color:var(--ink-2)}
.t-cyan{color:#17a397}
.t-orange{color:#e05235}
.t-gold{color:#c08b16}
.t-nebula{color:var(--nebula)}

/* ============ Cards ============ */
.card{
  background:#fff;border:1px solid rgba(43,30,74,.08);border-radius:var(--r-card);
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(91,62,158,.18)}
.badge{
  display:inline-flex;align-items:center;gap:.35rem;border-radius:999px;
  padding:.25rem .7rem;font-size:.72rem;font-weight:700;letter-spacing:.02em;
}
.badge-c{background:rgba(56,214,201,.15);color:#177f76}
.badge-o{background:rgba(255,107,74,.14);color:#c8442a}
.badge-g{background:rgba(255,200,87,.2);color:#96690a}
.badge-p{background:rgba(91,62,158,.12);color:var(--nebula)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:2.5rem 0 4.5rem}
@media (min-width:768px){.hero{padding:3.5rem 0 6rem}}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.5;transform:scale(1.02);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(247,244,255,.96) 0%,rgba(243,240,255,.9) 42%,rgba(238,249,247,.9) 100%);
}
.star-layer{
  position:absolute;inset:0;opacity:.75;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%,rgba(91,62,158,.5),transparent 60%),
    radial-gradient(1.4px 1.4px at 34% 68%,rgba(56,214,201,.55),transparent 60%),
    radial-gradient(1.8px 1.8px at 62% 18%,rgba(255,107,74,.34),transparent 60%),
    radial-gradient(1.4px 1.4px at 82% 52%,rgba(91,62,158,.42),transparent 60%),
    radial-gradient(1.6px 1.6px at 48% 88%,rgba(56,214,201,.4),transparent 60%),
    radial-gradient(1.2px 1.2px at 92% 80%,rgba(255,200,87,.5),transparent 60%);
}
.crumb{display:flex;align-items:center;gap:.5rem;font-size:.82rem;color:var(--ink-2);flex-wrap:wrap}
.crumb a{color:var(--ink-2);transition:color .2s}
.crumb a:hover{color:var(--starc)}
.crumb i{font-size:.62rem;opacity:.6}
.crumb .cur{color:var(--nebula);font-weight:700}
.hero-title{
  font-size:clamp(2.1rem,5vw,3.6rem);font-weight:700;line-height:1.16;
  letter-spacing:-.02em;margin:1rem 0 0;
}
.hero-title .grad{
  background-image:linear-gradient(120deg,#5B3E9E 0%,#38D6C9 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.06rem;color:#4c4560;max-width:34rem;margin-top:1rem}
.hero-points{display:flex;flex-direction:column;gap:.55rem;margin-top:1.5rem}
.hero-points li{display:flex;align-items:flex-start;gap:.6rem;font-size:.94rem;color:#4c4560}
.hero-points i{color:var(--starc);margin-top:.35rem;font-size:.78rem}

.entry-card{
  border-radius:26px;padding:1.5rem;
  background:linear-gradient(158deg,#2B1E4A 0%,#3B2A68 52%,#4E3A8C 100%);
  border:1px solid rgba(255,255,255,.12);color:#fff;box-shadow:0 30px 80px rgba(43,30,74,.32);
  position:relative;overflow:hidden;
}
.entry-card::after{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 18% 24%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.4px 1.4px at 72% 16%,rgba(56,214,201,.9),transparent 60%),
    radial-gradient(1.4px 1.4px at 46% 72%,rgba(255,200,87,.7),transparent 60%),
    radial-gradient(1.2px 1.2px at 86% 62%,rgba(255,255,255,.55),transparent 60%);
}
.entry-row{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.8rem 0;border-bottom:1px dashed rgba(255,255,255,.16);position:relative;z-index:2;
}
.entry-row:last-of-type{border-bottom:0}
.entry-row .k{font-size:.84rem;color:rgba(255,255,255,.66)}
.entry-row .v{font-size:.92rem;font-weight:700}

/* ============ Section ============ */
.section{padding:4rem 0}
@media (min-width:768px){.section{padding:6rem 0}}
.sec-tag{
  display:inline-flex;align-items:center;gap:.5rem;font-size:.76rem;font-weight:800;
  letter-spacing:.18em;color:var(--nebula);text-transform:uppercase;
}
.sec-tag::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--nebula),var(--starc))}
.sec-title{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:650;line-height:1.28;letter-spacing:-.01em;margin-top:.85rem}
.sec-desc{color:var(--ink-2);font-size:.98rem;margin-top:.8rem;max-width:44rem}

/* ============ Row list ============ */
.row-card{
  display:grid;grid-template-columns:1fr;gap:1.25rem;
  background:#fff;border:1px solid rgba(43,30,74,.08);border-radius:24px;
  padding:1rem;box-shadow:0 16px 44px rgba(43,30,74,.08);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(91,62,158,.2)}
@media (min-width:768px){
  .row-card{grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:1.75rem;padding:1.25rem;align-items:center}
}
.row-media{position:relative;border-radius:18px;overflow:hidden;background-image:var(--brand)}
.row-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.row-card:hover .row-media img{transform:scale(1.05)}
.row-index{
  position:absolute;left:.75rem;top:.75rem;z-index:2;
  font-size:.74rem;font-weight:800;color:#fff;letter-spacing:.06em;
  padding:.25rem .65rem;border-radius:999px;background:rgba(23,16,43,.62);
  backdrop-filter:blur(4px);
}
.row-body h3{font-size:1.16rem;font-weight:700;line-height:1.45;margin:.65rem 0 .5rem}
.row-body p{font-size:.92rem;color:var(--ink-2);line-height:1.8}
.row-link{
  display:inline-flex;align-items:center;gap:.45rem;margin-top:.9rem;
  font-size:.86rem;font-weight:700;color:var(--nebula);
  border-bottom:2px solid transparent;transition:color .2s,border-color .2s;
}
.row-link:hover{color:var(--starc);border-bottom-color:var(--starc)}
.row-link i{font-size:.72rem;transition:transform .25s}
.row-link:hover i{transform:translateX(3px)}

/* ============ Steps ============ */
.step-rail{position:relative;display:grid;gap:1.25rem;grid-template-columns:1fr}
@media (min-width:768px){.step-rail{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.step-rail{grid-template-columns:repeat(4,1fr)}}
.step-card{
  position:relative;border-radius:22px;padding:1.35rem;
  background:#fff;border:1px solid rgba(43,30,74,.08);box-shadow:0 14px 38px rgba(43,30,74,.07);
  transition:transform .28s ease,box-shadow .28s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-num{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:1rem;color:#fff;margin-bottom:.9rem;background-image:var(--brand);
}
.step-card h3{font-size:1.04rem;font-weight:700;margin-bottom:.45rem}
.step-card p{font-size:.88rem;color:var(--ink-2);line-height:1.75}

/* ============ Compare ============ */
.compare{display:grid;gap:1.5rem;grid-template-columns:1fr}
@media (min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:1.75rem}}
.cmp-dark,.cmp-light{border-radius:26px;padding:1.75rem}
.cmp-dark{
  background:linear-gradient(160deg,#221839 0%,#2B1E4A 100%);color:#fff;
  border:1px solid rgba(255,255,255,.1);
}
.cmp-light{
  background:linear-gradient(160deg,#FFFFFF 0%,#F2FBF9 100%);
  border:1px solid rgba(56,214,201,.28);box-shadow:0 24px 64px rgba(43,30,74,.12);
}
.cmp-title{font-size:1.08rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}
.cmp-list li{display:flex;gap:.7rem;align-items:flex-start;padding:.62rem 0;font-size:.92rem}
.cmp-dark .cmp-list li{border-bottom:1px dashed rgba(255,255,255,.14);color:rgba(255,255,255,.82)}
.cmp-light .cmp-list li{border-bottom:1px dashed rgba(43,30,74,.1);color:#3d3752}
.cmp-list li:last-child{border-bottom:0}
.cmp-dark .cmp-list i{color:#FF9A7E;margin-top:.32rem;font-size:.72rem}
.cmp-light .cmp-list i{color:var(--starc);margin-top:.3rem;font-size:.82rem}
.bar{height:8px;border-radius:999px;background:rgba(43,30,74,.08);overflow:hidden;margin-top:.45rem}
.bar > span{display:block;height:100%;border-radius:999px}
.bar-cyan > span{background:linear-gradient(90deg,#38D6C9,#2B9E96)}
.bar-orange > span{background:linear-gradient(90deg,#FF6B4A,#FFC857)}
.bar-gold > span{background:linear-gradient(90deg,#FFC857,#E0A32C)}

/* ============ FAQ ============ */
.faq-item{
  background:#fff;border:1px solid rgba(43,30,74,.08);border-left:4px solid transparent;
  border-radius:16px;padding:.2rem 1.15rem;margin-bottom:.85rem;
  transition:background .2s ease,border-color .2s ease,box-shadow .25s ease;
}
.faq-item:hover{background:#FBFAFF;border-left-color:rgba(56,214,201,.5)}
.faq-item[open]{border-left-color:var(--starc);box-shadow:0 16px 40px rgba(43,30,74,.1);background:#fff}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:1.05rem 0;font-size:1rem;font-weight:650;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .qi{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(91,62,158,.1);color:var(--nebula);font-size:.7rem;transition:transform .25s,background .25s,color .25s;
}
.faq-item[open] summary .qi{transform:rotate(180deg);background:rgba(56,214,201,.18);color:#178e84}
.faq-answer{padding:0 0 1.1rem;font-size:.92rem;color:var(--ink-2);line-height:1.85}
.faq-answer a{color:var(--nebula);font-weight:600;border-bottom:1px solid rgba(91,62,158,.3)}
.faq-answer a:hover{color:var(--starc);border-bottom-color:var(--starc)}

/* ============ Form ============ */
.form-field label{display:block;font-size:.84rem;font-weight:700;color:var(--deep-2);margin-bottom:.45rem}
.form-field input,.form-field select,.form-field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:.78rem .95rem;font-size:.94rem;transition:border-color .2s,box-shadow .2s,background .2s;
}
.form-field input::placeholder,.form-field textarea::placeholder{color:#a49db6}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--starc);box-shadow:0 0 0 4px rgba(56,214,201,.16);
}
.form-ok,.form-err{display:none;border-radius:14px;padding:.85rem 1rem;font-size:.88rem;font-weight:600}
.form-ok{background:rgba(56,214,201,.14);color:#137a72;border:1px solid rgba(56,214,201,.34)}
.form-err{background:rgba(255,107,74,.12);color:#b23f26;border:1px solid rgba(255,107,74,.3)}
.form-ok.show,.form-err.show{display:block}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;padding:2.25rem;
  background-image:var(--brand);color:#fff;box-shadow:0 30px 80px rgba(43,30,74,.28);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.55;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 14% 28%,rgba(255,255,255,.75),transparent 60%),
    radial-gradient(1.4px 1.4px at 44% 72%,rgba(255,200,87,.85),transparent 60%),
    radial-gradient(1.5px 1.5px at 76% 24%,rgba(255,255,255,.6),transparent 60%),
    radial-gradient(1.3px 1.3px at 90% 68%,rgba(56,214,201,.9),transparent 60%);
}
.cta-inner{position:relative;z-index:2}

/* ============ Footer ============ */
.foot-bg{
  position:relative;overflow:hidden;background-color:#17102B;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(1.4px 1.4px at 38% 66%,rgba(56,214,201,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 68% 20%,rgba(255,200,87,.45),transparent 60%),
    radial-gradient(1.3px 1.3px at 86% 58%,rgba(255,255,255,.35),transparent 60%),
    linear-gradient(160deg,#17102B 0%,#221739 60%,#2B1E4A 100%);
}
.foot-link{
  color:rgba(255,255,255,.72);font-size:.92rem;display:inline-block;
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.foot-link:hover{color:#38D6C9;border-bottom-color:#38D6C9;transform:translateX(2px)}
.divider{height:1px}

/* ============ Motion ============ */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --grape:#2B1E4A;
  --nebula:#5B3E9E;
  --starc:#38D6C9;
  --tomato:#FF6B4A;
  --gold:#FFC857;
  --ink:#1B1530;
  --ink2:#6B6380;
  --line:#E7E3F2;
  --bg-soft:#F7F4FF;
  --bg-mint:#EEF9F7;
  --dark:#17102B;
  --r-card:24px;
  --r-btn:999px;
  --r-field:14px;
  --sh:0 20px 60px rgba(43,30,74,.12);
  --sh-h:0 28px 80px rgba(43,30,74,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.tnum{font-variant-numeric:tabular-nums}
.wrap{max-width:80rem;margin:0 auto;padding-left:1rem;padding-right:1rem}
@media (min-width:768px){.wrap{padding-left:1.5rem;padding-right:1.5rem}}

/* 头部与导航 */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-head .bar{display:flex;align-items:center;justify-content:space-between;height:72px;gap:1rem}
.logo-mark{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:1.05rem;
  background-image:linear-gradient(135deg,#5B3E9E 0%,#38D6C9 100%);
  box-shadow:0 10px 24px rgba(91,62,158,.28);
}
.logo-text{font-weight:800;font-size:1.02rem;letter-spacing:.01em;color:var(--grape)}
.nav-link{position:relative;font-size:.95rem;font-weight:500;color:rgba(27,21,48,.76);padding:.4rem 0;transition:color .2s ease}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#38D6C9 0%,#5B3E9E 100%);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--nebula)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--grape);font-weight:700}
.mega{position:relative}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);
  width:min(960px,calc(100vw - 2rem));
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:0 30px 80px rgba(43,30,74,.22);
  padding:1.5rem;
  display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:1.25rem;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:.75rem;letter-spacing:.16em;color:var(--ink2);margin-bottom:.85rem}
.mega-link{display:block;padding:.5rem .65rem;border-radius:12px;font-size:.92rem;color:rgba(27,21,48,.82);transition:background .2s ease,color .2s ease,transform .2s ease}
.mega-link:hover{background:var(--bg-soft);color:var(--nebula);transform:translateX(3px)}
.mega-card{
  border-radius:18px;padding:1.05rem;
  background:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 60%,#38D6C9 130%);
  color:#fff;
}
.mega-card p{font-size:.86rem;color:rgba(255,255,255,.78)}

/* 按钮 */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.74rem 1.5rem;border-radius:var(--r-btn);border:0;
  font-size:.94rem;font-weight:700;color:#fff;cursor:pointer;
  background-image:linear-gradient(135deg,#FF6B4A 0%,#FFC857 100%);
  box-shadow:0 12px 30px rgba(255,107,74,.32);
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,107,74,.4)}
.btn-main:active{transform:scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.68rem 1.35rem;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);
  font-size:.92rem;font-weight:600;color:var(--grape);cursor:pointer;
  transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(56,214,201,.65);color:var(--nebula);box-shadow:0 12px 28px rgba(43,30,74,.12)}
.btn-ghost:active{transform:scale(.98)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.68rem 1.35rem;border-radius:var(--r-btn);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.32);
  font-size:.92rem;font-weight:600;color:#fff;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.btn-ghost-light:hover{transform:translateY(-2px);background:rgba(255,255,255,.16);border-color:rgba(56,214,201,.8)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--starc);outline-offset:2px;
}

/* 移动端抽屉 */
.mob summary{
  list-style:none;cursor:pointer;width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;border:1px solid var(--line);background:#fff;color:var(--grape);
}
.mob summary::-webkit-details-marker{display:none}
.mob-panel{
  margin-top:.75rem;padding:1rem;border:1px solid var(--line);border-radius:20px;
  background:#fff;box-shadow:var(--sh);display:flex;flex-direction:column;gap:.25rem;
}
.mob-panel a{padding:.7rem .75rem;border-radius:12px;font-weight:600;font-size:.95rem}
.mob-panel a:hover{background:var(--bg-soft);color:var(--nebula)}

/* Hero */
.hero-cat{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(23,16,43,.95) 0%,rgba(43,30,74,.9) 42%,rgba(91,62,158,.88) 72%,rgba(56,214,201,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.34) 1px,transparent 1px),radial-gradient(rgba(255,200,87,.28) 1px,transparent 1px);
  background-size:170px 170px,260px 260px;
  background-position:0 0,60px 80px;
  opacity:.5;pointer-events:none;
}
.crumb{font-size:.84rem;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.crumb a:hover{color:var(--starc)}
.crumb .now{color:#fff;font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.34rem .9rem;border-radius:var(--r-btn);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  font-size:.8rem;font-weight:700;letter-spacing:.12em;color:#fff;
}
h1.hero-h1{font-size:clamp(2.05rem,4.6vw,3.6rem);font-weight:700;line-height:1.2;letter-spacing:-.01em}
.lead{font-size:clamp(1rem,1.35vw,1.09rem);color:rgba(255,255,255,.82);max-width:44rem}
.hero-card{
  border-radius:var(--r-card);padding:1.5rem;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  box-shadow:0 24px 70px rgba(0,0,0,.3);
}
.hero-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.72rem 0;border-bottom:1px dashed rgba(255,255,255,.18);font-size:.9rem}
.hero-row:last-child{border-bottom:0}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--starc);box-shadow:0 0 0 4px rgba(56,214,201,.22)}

/* 数据徽章 */
.stat{
  border-radius:20px;padding:1.05rem 1.1rem;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.stat .lab{font-size:.76rem;letter-spacing:.1em;color:var(--ink2)}
.stat .num{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.stat .sub{font-size:.8rem;color:var(--ink2)}
.stat-glass{
  border-radius:20px;padding:1rem 1.1rem;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
}
.stat-glass .lab{font-size:.75rem;letter-spacing:.1em;color:rgba(255,255,255,.72)}
.stat-glass .num{font-size:clamp(1.4rem,2.6vw,1.85rem);font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.25}
.stat-glass .sub{font-size:.78rem;color:rgba(255,255,255,.68)}
.c-starc{color:#17A99E}
.c-tomato{color:#E8512F}
.c-gold{color:#D79B14}
.c-nebula{color:var(--nebula)}

/* 通用板块 */
.sec{padding:5rem 0}
@media (min-width:768px){.sec{padding:7rem 0}}
.sec-head h2{font-size:clamp(1.75rem,3.2vw,2.35rem);font-weight:650;line-height:1.28;letter-spacing:-.01em}
.sec-head p{color:var(--ink2);margin-top:.85rem;max-width:46rem}
.tag{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.3rem .8rem;border-radius:var(--r-btn);
  font-size:.76rem;font-weight:700;letter-spacing:.12em;
  background:var(--bg-soft);color:var(--nebula);
}
.tag-mint{background:var(--bg-mint);color:#12897F}
.tag-warm{background:#FFF3EC;color:#D84E2B}

/* 卡片 */
.card{
  border-radius:var(--r-card);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(56,214,201,.4)}
.thumb{position:relative;overflow:hidden;background:linear-gradient(135deg,#2B1E4A 0%,#5B3E9E 50%,#38D6C9 100%)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .thumb img{transform:scale(1.05)}
.chip{
  position:absolute;left:.8rem;top:.8rem;padding:.24rem .68rem;border-radius:var(--r-btn);
  background:rgba(23,16,43,.72);color:#fff;font-size:.74rem;font-weight:700;letter-spacing:.06em;
}

/* 横向列表项 */
.rowcard{
  display:grid;grid-template-columns:210px 1fr;gap:1.25rem;align-items:center;
  border-radius:var(--r-card);border:1px solid var(--line);background:#fff;
  padding:.9rem;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rowcard:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(91,62,158,.35)}
.rowcard .thumb{border-radius:18px;overflow:hidden;height:130px}
@media (max-width:640px){
  .rowcard{grid-template-columns:1fr;gap:.9rem}
  .rowcard .thumb{height:180px}
}

/* 流程 */
.step{
  position:relative;border-radius:20px;border:1px solid var(--line);background:#fff;
  padding:1.4rem 1.3rem;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.step .idx{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;color:#fff;font-variant-numeric:tabular-nums;
  background-image:linear-gradient(135deg,#5B3E9E 0%,#38D6C9 100%);
}

/* 对照 */
.compare-dark{
  border-radius:var(--r-card);padding:1.7rem;color:#fff;
  background-image:linear-gradient(150deg,#17102B 0%,#2B1E4A 100%);
  border:1px solid rgba(255,255,255,.08);
}
.compare-light{
  border-radius:var(--r-card);padding:1.7rem;background:#fff;
  border:1px solid rgba(56,214,201,.42);box-shadow:var(--sh);
}
.bar{height:9px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px}
.bar-l{height:9px;border-radius:999px;background:#F0ECFA;overflow:hidden}
.bar-l span{display:block;height:100%;border-radius:999px}

/* 列表勾选 */
.check li{display:flex;gap:.7rem;align-items:flex-start;font-size:.95rem;color:rgba(255,255,255,.84);padding:.42rem 0}
.check li i{color:var(--starc);margin-top:.35rem}
.check-dark li{display:flex;gap:.7rem;align-items:flex-start;font-size:.95rem;color:var(--ink2);padding:.42rem 0}
.check-dark li i{color:var(--nebula);margin-top:.35rem}

/* FAQ */
.faq-item{
  border:1px solid var(--line);border-radius:18px;background:#fff;
  margin-bottom:.85rem;overflow:hidden;border-left:4px solid var(--line);
  transition:border-left-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.faq-item:hover{background:#FCFBFF;border-left-color:var(--starc);box-shadow:0 12px 34px rgba(43,30,74,.08)}
.faq-item[open]{border-left-color:var(--nebula);box-shadow:0 16px 40px rgba(43,30,74,.1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.05rem 1.2rem;font-weight:650;font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--nebula);transition:transform .24s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 1.2rem 1.15rem;color:var(--ink2);font-size:.94rem}

/* 表单 */
.form-card{
  border-radius:var(--r-card);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh);padding:1.6rem;
}
.field label{display:block;font-size:.86rem;font-weight:600;color:var(--grape);margin-bottom:.4rem}
.field input,.field select,.field textarea{
  width:100%;padding:.72rem .9rem;border-radius:var(--r-field);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--starc);box-shadow:0 0 0 3px rgba(56,214,201,.22);
}
.form-ok{
  display:none;margin-top:1rem;padding:.9rem 1rem;border-radius:var(--r-field);
  background:var(--bg-mint);border:1px solid rgba(56,214,201,.5);color:#0F7C72;font-size:.9rem;font-weight:600;
}
.form-ok.show{display:block}

/* 页脚 */
.foot-bg{
  position:relative;background:var(--dark);overflow:hidden;
}
.foot-bg::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:190px 190px;opacity:.5;pointer-events:none;
}
.foot-link{color:rgba(255,255,255,.7);font-size:.92rem;transition:color .2s ease,box-shadow .2s ease}
.foot-link:hover{color:var(--starc);box-shadow:inset 0 -1px 0 var(--starc)}
.text-starc{color:var(--starc)}
.divider{height:1px;width:100%}

/* 响应式微调 */
@media (max-width:1024px){
  h1.hero-h1{font-size:clamp(1.9rem,5.4vw,2.7rem)}
}
@media (max-width:520px){
  .sec{padding:3.5rem 0}
  .lead{font-size:.96rem}
}