/* roulang page: index */
:root{
  --ink:#17122A;--ink-2:#4A4260;--ink-3:#8B84A3;
  --paper:#FBF8F4;--warm:#F5EFE7;--mist:#F3EFFB;
  --line:#E8E3F2;--line-2:#DCD4EE;
  --brand-900:#2E1358;--brand-700:#4B2596;--brand-500:#7A45D6;--brand-300:#B79BF0;--brand-100:#EDE5FC;
  --accent-600:#E8501F;--accent-500:#FF6A3D;--accent-300:#FFB48A;
  --mint-600:#0FA183;--mint-500:#16BFA0;--mint-100:#DFF7F1;
  --warn:#F2A93B;
  --grad-brand:linear-gradient(120deg,#2E1358 0%,#4B2596 38%,#7A45D6 68%,#FF6A3D 100%);
  --grad-cta:linear-gradient(100deg,#7A45D6 0%,#E8501F 100%);
  --grad-data:linear-gradient(120deg,#16BFA0,#7A45D6);
  --fs-display:clamp(34px,4.4vw,58px);
  --fs-h1:clamp(28px,3.4vw,42px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --fs-h3:clamp(19px,1.8vw,24px);
  --fs-lead:clamp(16px,1.3vw,19px);
  --fs-metric:clamp(38px,4vw,56px);
  --r-pill:999px;--r-badge:10px;--r-sm:12px;--r-md:16px;--r-lg:22px;--r-xl:28px;
  --sh-1:0 1px 2px rgba(23,18,42,.05),0 6px 18px -8px rgba(46,19,88,.10);
  --sh-2:0 10px 28px -12px rgba(46,19,88,.20);
  --sh-3:0 24px 56px -20px rgba(46,19,88,.30);
  --sh-glow:0 16px 40px -16px rgba(232,80,31,.42);
  --sp-section:clamp(56px,7vw,104px);
  --nav-h:64px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:hidden}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{letter-spacing:-.02em;line-height:1.25}
.num,.metric-value,.bar-value,time{font-variant-numeric:tabular-nums;letter-spacing:-.03em}
::selection{background:var(--brand-100);color:var(--brand-900)}
:focus-visible{outline:3px solid rgba(122,69,214,.42);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:var(--sp-section) 0}
.section--paper{background:var(--paper)}
.section--warm{background:var(--warm)}
.section--mist{background:var(--mist)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(251,248,244,.82);
  border-bottom:1px solid transparent;transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(251,248,244,.97);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-grid{display:grid;grid-template-columns:repeat(12,1fr);align-items:center;height:var(--nav-h)}
.nav-left{grid-column:1 / 8;display:flex;align-items:center;gap:30px;min-width:0}
.nav-right{grid-column:8 / 13;display:flex;align-items:center;justify-content:flex-end;gap:10px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--grad-cta);display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;letter-spacing:-.02em;box-shadow:var(--sh-1)}
.brand-text{font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px;min-width:0}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:10px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease)
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:2px;background:var(--grad-cta)}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--paper);
  display:grid;place-items:center;cursor:pointer;color:var(--ink-2);transition:all .2s var(--ease)
}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-300);background:var(--brand-100)}
.burger{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-pill);border:1.5px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap
}
.btn--primary{background:var(--grad-cta);color:#fff;box-shadow:var(--sh-1);background-size:120% 100%;background-position:0 0}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);background-position:12% 0}
.btn--primary:active{transform:translateY(0) scale(.99)}
.btn--outline{background:transparent;border-color:var(--brand-500);color:var(--brand-700)}
.btn--outline:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn--outline:active{transform:translateY(0) scale(.99)}
.btn--ghost{background:var(--mist);color:var(--ink)}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-700)}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{filter:grayscale(40%);opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:var(--brand-300)
}
.btn-text:hover{color:var(--accent-600);text-decoration-color:var(--accent-500)}

/* ---------- shared ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.01em
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.section-head h2{font-size:var(--fs-h2);margin-top:14px}
.section-head p{color:var(--ink-2);font-size:var(--fs-lead);max-width:640px;margin-top:12px}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600}
.tag--sm{padding:3px 10px;font-size:12px}
.tag--mint{background:var(--mint-100);color:var(--mint-600)}
.tag--accent{background:#FFE9E0;color:var(--accent-600)}
.dot-sep{width:4px;height:4px;border-radius:50%;background:var(--line-2);display:inline-block;flex:none}
.meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.card{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.card--topline::before{content:"";position:absolute;left:22px;right:22px;top:0;height:6px;border-radius:0 0 6px 6px;background:var(--grad-brand)}
.corner-badge{
  position:absolute;top:14px;right:14px;width:24px;height:24px;border-radius:7px;
  display:grid;place-items:center;font-size:10.5px;font-weight:700;letter-spacing:-.02em;
  color:var(--brand-700);background:var(--brand-100);border:1px solid rgba(122,69,214,.22)
}
.skeleton{background:linear-gradient(90deg,var(--mist) 25%,#E9E1F8 37%,var(--mist) 63%);background-size:400% 100%;animation:shimmer 1.2s linear infinite;border-radius:var(--r-sm)}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}
.empty-state{
  border:1px dashed var(--line-2);border-radius:var(--r-lg);padding:52px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;background:var(--paper)
}
.empty-state svg{color:var(--brand-300)}
.empty-state p{color:var(--ink-3);font-size:15px}

/* ---------- hero ---------- */
.hero{position:relative;padding:38px 0 44px;background:var(--paper)}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;min-height:78vh}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.hero h1{font-size:var(--fs-display);color:var(--brand-900);max-width:12em}
.hero h1 em{font-style:normal;background:var(--grad-cta);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:var(--fs-lead);color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.hero-strip{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:8px;font-size:13.5px;color:var(--ink-3)}
.hero-strip strong{color:var(--ink);font-size:15px}
.hero-visual{position:relative;padding:0 0 0 0}
.hero-visual-inner{position:relative;border-radius:var(--r-xl);overflow:hidden;height:100%;min-height:440px;box-shadow:var(--sh-3)}
.hero-visual-inner img{width:100%;height:100%;min-height:440px;object-fit:cover}
.hero-visual-inner::after{content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.62;mix-blend-mode:multiply}
.hero-visual-inner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(46,19,88,.18),rgba(23,18,42,.55));z-index:1}
.hero-live{
  position:absolute;left:22px;top:22px;z-index:2;display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);background:rgba(251,248,244,.92);font-size:12.5px;font-weight:600;color:var(--brand-900)
}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--mint-500);box-shadow:0 0 0 4px rgba(22,191,160,.22);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(22,191,160,.22)}50%{box-shadow:0 0 0 8px rgba(22,191,160,.08)}}
.hero-stat{
  position:absolute;z-index:3;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--sh-3);min-width:196px
}
.hero-stat--a{left:-24px;top:64px}
.hero-stat--b{right:-20px;bottom:44px}
.hero-stat-label{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:7px}
.hero-stat-label i{width:8px;height:8px;border-radius:50%;background:var(--accent-500);display:inline-block}
.hero-stat-value{font-size:32px;font-weight:700;color:var(--brand-900);line-height:1.2;margin-top:6px}
.hero-stat-value span{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:3px}
.hero-stat-note{font-size:12px;color:var(--ink-3);margin-top:4px}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{padding:26px 24px}
.metric-head{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2)}
.metric-head i{width:8px;height:8px;border-radius:50%;display:inline-block;flex:none}
.dot-brand{background:var(--brand-500)}
.dot-accent{background:var(--accent-500)}
.dot-mint{background:var(--mint-500)}
.dot-gray{background:var(--ink-3)}
.metric-value{font-size:var(--fs-metric);font-weight:700;line-height:1.08;margin:16px 0 4px;color:var(--ink)}
.metric-value span{font-size:18px;font-weight:600;color:var(--ink-3);margin-left:4px}
.metric-note{font-size:12.5px;color:var(--ink-3);min-height:2.6em}
.metric-bar{height:6px;border-radius:999px;background:var(--mist);margin-top:14px;overflow:hidden}
.metric-bar > i{display:block;height:100%;border-radius:999px;background:var(--grad-data)}

/* ---------- services ---------- */
.svc-row{display:grid;gap:20px}
.svc-row--top{grid-template-columns:8fr 4fr;margin-bottom:20px}
.svc-row--bottom{grid-template-columns:repeat(3,1fr)}
.svc-feature{display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;padding:0}
.svc-feature-text{padding:32px 28px;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.svc-feature-text h3{font-size:var(--fs-h3);margin-top:6px}
.svc-feature-media{position:relative;min-height:280px}
.svc-feature-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.svc-narrow{padding:30px 26px;background:var(--mist);display:flex;flex-direction:column;gap:14px;justify-content:center}
.svc-icon{width:52px;height:52px;border-radius:var(--r-md);background:var(--paper);border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-700)}
.svc-narrow h3{font-size:var(--fs-h3)}
.svc-narrow p{color:var(--ink-2);font-size:15px}
.dot-list{display:flex;flex-direction:column;gap:10px;margin:2px 0 6px}
.dot-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.dot-list li svg{flex:none;margin-top:5px;color:var(--mint-600)}
.svc-a{padding:28px 26px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.svc-a h3{font-size:var(--fs-h3)}
.svc-a p{font-size:14.5px;color:var(--ink-2)}
.svc-b{padding:28px 26px;display:flex;flex-direction:column;gap:16px}
.svc-b h3{font-size:var(--fs-h3)}
.step-list{display:flex;flex-direction:column;gap:12px}
.step-list li{display:flex;gap:12px;align-items:baseline;font-size:14.5px;color:var(--ink-2)}
.step-list .idx{font-size:12.5px;font-weight:700;color:var(--accent-500);letter-spacing:.02em;flex:none;width:22px}
.svc-c{padding:0;overflow:hidden;display:flex;flex-direction:column}
.svc-c-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.svc-c-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.svc-c:hover .svc-c-media img{transform:scale(1.04)}
.svc-c-body{padding:20px 24px 26px;display:flex;flex-direction:column;gap:12px}
.svc-c-body h3{font-size:var(--fs-h3)}
.badge-group{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px;align-items:start}
.news-hero{overflow:hidden;padding:0;display:flex;flex-direction:column}
.news-hero-media{display:block;aspect-ratio:16/10;overflow:hidden}
.news-hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-hero:hover .news-hero-media img{transform:scale(1.03)}
.news-hero-body{padding:22px 26px 26px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.news-hero-body h3{font-size:var(--fs-h3)}
.news-hero-body h3 a:hover{color:var(--brand-700)}
.news-hero-body p{color:var(--ink-2);font-size:15px}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{padding:18px 20px}
.news-item h3{font-size:16px;font-weight:600;line-height:1.5}
.news-item h3 a:hover{color:var(--brand-700)}
.news-item .meta{margin-top:10px}

/* ---------- compare ---------- */
.compare-wrap{background:var(--mist);border-radius:var(--r-xl);padding:32px}
.compare-head{margin-bottom:24px}
.compare-head h2{font-size:var(--fs-h2)}
.compare-head p{color:var(--ink-2);margin-top:12px;max-width:720px;font-size:var(--fs-lead)}
.compare-cards{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{background:var(--paper);border-radius:var(--r-lg);border:1px solid var(--line);padding:26px 24px;box-shadow:var(--sh-1)}
.compare-card--ours{border-color:rgba(122,69,214,.28);box-shadow:var(--sh-2)}
.compare-card h3{font-size:19px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.compare-card h3 span{font-size:12.5px;font-weight:600;color:var(--ink-3)}
.compare-item{padding:16px 0;border-bottom:1px dashed var(--line)}
.compare-item:last-child{border-bottom:0;padding-bottom:0}
.compare-item-name{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--ink-2)}
.bar-value{font-size:15px;font-weight:700;color:var(--ink)}
.bar-value .unit{font-size:12px;font-weight:600;color:var(--ink-3);margin-left:2px}
.bar-track{height:8px;border-radius:999px;background:var(--mist);margin:10px 0 8px;overflow:hidden}
.bar-fill{display:block;height:100%;border-radius:999px}
.bar-fill--gray{background:linear-gradient(90deg,#B7B1C6,#8B84A3)}
.bar-fill--grad{background:var(--grad-cta)}
.compare-note{font-size:12px;color:var(--ink-3)}
.compare-foot{margin-top:22px;font-size:12.5px;color:var(--ink-3);display:flex;gap:10px;align-items:flex-start}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item:hover{border-color:var(--brand-300);box-shadow:var(--sh-1)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:0;transition:opacity .25s var(--ease)}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:17px;font-weight:600;color:var(--ink)
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{flex:none;color:var(--brand-500);transition:transform .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 24px 20px 24px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- cta form ---------- */
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.cta-copy h2{font-size:var(--fs-h2)}
.cta-copy p{color:var(--ink-2);margin-top:14px;font-size:var(--fs-lead);max-width:32em}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.cta-list svg{flex:none;margin-top:3px;color:var(--brand-500)}
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-2);padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--paper);font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
.field textarea{height:140px;padding:12px 14px;line-height:1.7;resize:vertical}
.field 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='%238B84A3' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(122,69,214,.18)}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--accent-600)}
.field-error{font-size:12.5px;color:var(--accent-600);display:none}
.field.is-error .field-error{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2)}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-500);flex:none}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:14px;text-align:center}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-md);background:var(--mint-100);
  color:var(--mint-600);font-size:14px;border:1px solid rgba(22,191,160,.35)
}
.form-success.is-visible{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:#CFC6E8;position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand)}
.footer-top{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#B9AEDC;max-width:26em}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(207,198,232,.28);display:grid;place-items:center;color:#CFC6E8;transition:all .2s var(--ease)}
.footer-social a:hover{background:var(--brand-700);border-color:var(--brand-500);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:0}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:#B9AEDC}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:14px;color:#B9AEDC;display:flex;gap:10px;align-items:flex-start;margin-bottom:14px}
.footer-contact svg{flex:none;margin-top:3px;color:var(--brand-300)}
.footer-bottom{border-top:1px solid rgba(207,198,232,.16);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9E92C6}
.footer-bottom a{color:#9E92C6}
.footer-bottom a:hover{color:#fff}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,42,.42);opacity:0;pointer-events:none;transition:opacity .28s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--paper);z-index:95;
  transform:translateX(102%);transition:transform .3s var(--ease);display:flex;flex-direction:column;
  padding:20px 22px 28px;box-shadow:var(--sh-3)
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-nav{display:flex;flex-direction:column;flex:1}
.drawer-nav a{font-size:19px;font-weight:600;letter-spacing:.01em;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line);line-height:1.6}
.drawer-nav a.is-active{color:var(--brand-700)}
.drawer-foot{margin-top:20px}
body.is-locked{overflow:hidden}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .hero-grid{gap:38px}
  .hero-stat--a{left:-12px}
  .hero-stat--b{right:-10px}
}
@media (max-width:992px){
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero{padding-top:28px;padding-bottom:32px}
  .hero-visual-inner,.hero-visual-inner img{min-height:360px}
  .hero-visual{margin-top:8px;padding:0 12px}
  .hero-stat--a{left:-4px;top:36px}
  .hero-stat--b{right:-4px;bottom:28px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .svc-row--top{grid-template-columns:1fr}
  .svc-row--bottom{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .compare-cards{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:768px){
  :root{--nav-h:56px}
  .nav-links,.nav-right .icon-btn{display:none}
  .burger{display:grid}
  .nav-grid{grid-template-columns:1fr auto}
  .nav-left{grid-column:1 / 2}
  .nav-right{grid-column:2 / 3}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .svc-row--bottom{grid-template-columns:1fr}
  .svc-feature{grid-template-columns:1fr}
  .svc-feature-media{min-height:220px;order:-1}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .compare-wrap{padding:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .hero-actions .btn{width:100%}
  .hero-stat{position:static;min-width:0;box-shadow:var(--sh-2);margin-top:12px}
  .hero-visual{padding:0}
  .hero-stat--a,.hero-stat--b{left:auto;right:auto;top:auto;bottom:auto}
}
@media (max-width:560px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .hero h1{font-size:clamp(28px,8vw,34px)}
  .metric-card{padding:20px}
  .metric-value{font-size:38px}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .badge-group{gap:6px}
  .brand-text{font-size:17px}
}

/* roulang page: article */
:root{
  --ink:#17122A; --ink-2:#4A4260; --ink-3:#8B84A3;
  --paper:#FBF8F4; --warm:#F5EFE7; --mist:#F3EFFB; --white:#FFFFFF;
  --line:#E8E3F2; --line-2:#DCD4EE;
  --brand-900:#2E1358; --brand-700:#4B2596; --brand-500:#7A45D6; --brand-300:#B79BF0; --brand-100:#EDE5FC;
  --accent-600:#E8501F; --accent-500:#FF6A3D; --accent-300:#FFB48A;
  --mint-600:#0FA183; --mint-500:#16BFA0; --mint-100:#DFF7F1;
  --warn:#F2A93B;
  --grad-brand:linear-gradient(120deg,#2E1358 0%,#4B2596 38%,#7A45D6 68%,#FF6A3D 100%);
  --grad-cta:linear-gradient(100deg,#7A45D6 0%,#E8501F 100%);
  --grad-data:linear-gradient(120deg,#16BFA0,#7A45D6);
  --fs-display:clamp(34px,4.4vw,58px);
  --fs-h1:clamp(28px,3.4vw,42px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --fs-h3:clamp(19px,1.8vw,24px);
  --fs-lead:clamp(16px,1.3vw,19px);
  --fs-metric:clamp(38px,4vw,56px);
  --r-pill:999px; --r-badge:10px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-xl:28px;
  --sh-1:0 1px 2px rgba(23,18,42,.05),0 6px 18px -8px rgba(46,19,88,.10);
  --sh-2:0 10px 28px -12px rgba(46,19,88,.20);
  --sh-3:0 24px 56px -20px rgba(46,19,88,.30);
  --sh-glow:0 16px 40px -16px rgba(232,80,31,.42);
  --sp-section:clamp(56px,7vw,104px);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","Barlow Semi Condensed",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.03em}
:focus-visible{outline:3px solid rgba(122,69,214,.45);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:var(--sp-section) 0}
.section--warm{background:var(--warm)}
.section--mist{background:var(--mist)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:var(--fs-h2)}
.section-head .sub{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background-color .22s,color .22s,border-color .22s;white-space:nowrap}
.btn--primary{background:var(--grad-cta);background-size:180% 100%;color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);background-position:60% 0}
.btn--primary:active{transform:translateY(0) scale(.99)}
.btn--outline{background:transparent;border:1.5px solid var(--brand-500);color:var(--brand-700)}
.btn--outline:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn--ghost{background:var(--mist);color:var(--brand-700)}
.btn--ghost:hover{background:var(--brand-100)}
.btn--sm{height:38px;padding:0 16px;font-size:13.5px}
.btn--link{height:auto;padding:0;border-radius:0;color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;font-size:14.5px;transition:color .2s}
.btn--link:hover{color:var(--accent-600)}
.btn[disabled]{filter:grayscale(40%);opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:var(--ink-2);background:#fff;border:1px solid var(--line);transition:color .2s,border-color .2s,background-color .2s,transform .2s}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-1px)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,248,244,.82);border-bottom:1px solid transparent;transition:background-color .25s,box-shadow .25s,border-color .25s}
.site-header.is-scrolled{background:rgba(251,248,244,.97);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-grid{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;flex:0 0 auto}
.brand-mark{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:var(--grad-brand);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.02em;font-family:var(--font-num)}
.brand-text{font-size:17px;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:24px;font-size:15px;color:var(--ink-2)}
.nav-links a{position:relative;display:inline-block;padding:20px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:3px;background:var(--grad-cta);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.3,1)}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.burger{display:none}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:80;pointer-events:none}
.drawer__mask{position:absolute;inset:0;background:rgba(23,18,42,.42);opacity:0;transition:opacity .28s}
.drawer__panel{position:absolute;top:0;right:0;height:100%;width:84vw;max-width:360px;background:var(--paper);border-left:1px solid var(--line);box-shadow:var(--sh-3);transform:translateX(102%);transition:transform .32s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;padding:22px 22px 28px}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer__mask{opacity:1}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer__nav{display:flex;flex-direction:column;gap:2px;flex:1}
.drawer__nav a{padding:15px 0;font-size:19px;letter-spacing:.02em;color:var(--ink-2);border-bottom:1px solid var(--line)}
.drawer__nav a.is-active{color:var(--brand-700);font-weight:600}
.drawer__cta{margin-top:20px}
.drawer__cta .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-3);flex-wrap:wrap;padding-top:clamp(20px,3vw,34px)}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:var(--line-2)}
.breadcrumb .current{color:var(--ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{padding-bottom:26px}
.article-head{margin-top:22px;max-width:900px}
.article-head h1{font-size:clamp(28px,3vw,40px);line-height:1.3;margin-top:16px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;background:var(--brand-100);color:var(--brand-700)}
.badge--mint{background:var(--mint-100);color:var(--mint-600)}
.badge--accent{background:rgba(255,106,61,.12);color:var(--accent-600)}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line-2)}
.meta-row .spacer{flex:1}

/* ---------- 布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start;padding-bottom:var(--sp-section)}
.article-cover{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);margin-bottom:34px;background:var(--grad-brand)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 24px 16px;font-size:12.5px;color:#fff;background:linear-gradient(to top,rgba(46,19,88,.72),rgba(46,19,88,0))}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--ink-2)}
.article-body>*+*{margin-top:1.2em}
.article-body p{color:var(--ink-2)}
.article-body h2{font-size:var(--fs-h3);color:var(--ink);margin-top:2.2em;padding-left:14px;position:relative;line-height:1.4}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;background:var(--grad-brand)}
.article-body h3{font-size:18px;color:var(--brand-900);margin-top:1.8em;font-weight:650}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px}
.article-body a:hover{color:var(--accent-600)}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-top:.7em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--brand-500)}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{content:counter(item);position:absolute;left:0;top:.18em;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700;font-family:var(--font-num)}
.article-body blockquote{margin:1.8em 0;padding:18px 22px;background:var(--mist);border-left:3px solid;border-image:var(--grad-brand) 1;border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);font-size:16px}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--sh-1)}
.article-body figure img{margin-bottom:10px}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3)}
.article-body table{width:100%;border-collapse:collapse;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);font-size:15px;margin:1.6em 0}
.article-body th{background:var(--mist);text-align:left;font-weight:600;color:var(--ink);font-size:14px}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:0}
.article-body tbody tr{transition:background-color .18s}
.article-body tbody tr:hover{background:rgba(237,229,252,.5)}
.article-body code{background:var(--mist);padding:2px 6px;border-radius:6px;font-size:14.5px}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}

/* ---------- 目录侧栏 ---------- */
.article-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
.toc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.toc-card h2{font-size:14px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;margin-bottom:14px}
.toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:14px}
.toc-nav a{font-size:14px;color:var(--ink-2);padding:5px 0;transition:color .2s,transform .2s;display:block}
.toc-nav a:hover{color:var(--brand-700);transform:translateX(2px)}
.toc-nav a.is-current{color:var(--brand-700);font-weight:600}
.toc-empty{font-size:13.5px;color:var(--ink-3)}
.aside-card{background:var(--mist);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px}
.aside-card h3{font-size:16px;margin-bottom:8px}
.aside-card p{font-size:14px;color:var(--ink-2);margin-bottom:14px}
.aside-card .btn{width:100%}

/* ---------- 文末 ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tag-row .label{font-size:13px;color:var(--ink-3);margin-right:4px}
.tag{display:inline-flex;padding:5px 12px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:12.5px;transition:background-color .2s,color .2s}
.tag:hover{background:var(--brand-500);color:#fff}
.postnav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.postnav a{display:flex;flex-direction:column;gap:8px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s}
.postnav a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.postnav .dir{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.postnav .t{font-size:15px;color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.postnav .right{align-items:flex-end;text-align:right}

/* ---------- 空态 ---------- */
.empty-state{border:1px dashed var(--line-2);border-radius:var(--r-lg);padding:52px 24px;text-align:center;background:#fff}
.empty-state svg{color:var(--brand-300);margin-bottom:14px}
.empty-state h3{font-size:18px;margin-bottom:8px}
.empty-state p{font-size:14.5px;color:var(--ink-3);margin-bottom:18px}

/* ---------- 相关推荐 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.card__media{position:relative;background:var(--grad-brand)}
.card__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body p{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink-3);margin-top:auto}
.card__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-2)}

/* ---------- CTA ---------- */
.cta-band{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--brand-900)}
.cta-band__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;mix-blend-mode:multiply;opacity:.62}
.cta-band__inner{position:relative;padding:clamp(30px,4.4vw,54px);display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.cta-band__copy h2{color:#fff;font-size:var(--fs-h2);margin-bottom:12px}
.cta-band__copy p{color:rgba(255,255,255,.82);font-size:16px;max-width:46ch}
.cta-band__list{margin-top:20px;display:flex;flex-direction:column;gap:11px}
.cta-band__list li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.92);font-size:14.5px}
.cta-band__list svg{color:var(--accent-300);flex:0 0 auto}
.form-card{background:var(--paper);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-3)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--ink-3);margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);transition:border-color .2s,box-shadow .2s}
.field textarea{height:140px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(122,69,214,.16)}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.6}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand-500)}
.form-card .btn{width:100%;margin-top:18px}
.form-msg{margin-top:12px;font-size:13.5px;color:var(--mint-600);display:none}
.form-msg.is-on{display:block}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--warm);margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.footer-top{padding:clamp(48px,6vw,76px) 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px}
.footer-brand p{font-size:14px;color:var(--ink-2);margin-top:16px;max-width:36ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:color .2s,border-color .2s,transform .2s}
.footer-social a:hover{color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-2px)}
.footer-col h4{font-size:14px;color:var(--ink);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s}
.footer-col a:hover{color:var(--brand-700)}
.footer-contact li{font-size:14px;color:var(--ink-2);display:flex;gap:9px;align-items:flex-start}
.footer-contact svg{color:var(--brand-500);flex:0 0 auto;margin-top:4px}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 26px}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-bottom p,.footer-bottom a{font-size:13px;color:var(--ink-3)}
.footer-bottom a:hover{color:var(--brand-700)}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.skeleton{background:var(--mist);border-radius:var(--r-sm);position:relative;overflow:hidden}
.skeleton::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);animation:shimmer 1.2s infinite}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:40px}
  .nav-links{gap:18px}
}
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .toc-card,.aside-card{flex:1 1 260px}
}
@media (max-width:992px){
  .nav-links{display:none}
  .burger{display:grid}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band__inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-grid{height:56px}
  .nav-right .btn{display:none}
  .card-grid{grid-template-columns:1fr}
  .postnav{grid-template-columns:1fr}
  .postnav .right{align-items:flex-start;text-align:left}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-cover img{aspect-ratio:4/3}
}
@media (max-width:560px){
  .brand-text{font-size:15.5px}
  .article-body{font-size:16px}
  .article-head h1{font-size:26px}
  .card__body{padding:18px}
  .form-card{padding:20px}
  .meta-row{gap:10px}
}
@media (max-width:480px){
  :root{--sp-section:clamp(40px,10vw,64px)}
  .btn{height:44px;padding:0 20px;font-size:14.5px}
  .breadcrumb{font-size:12px}
}

/* roulang page: category1 */
:root{
  --ink:#17122A; --ink-2:#4A4260; --ink-3:#8B84A3;
  --paper:#FBF8F4; --warm:#F5EFE7; --mist:#F3EFFB;
  --line:#E8E3F2; --line-2:#DCD4EE;
  --brand-900:#2E1358; --brand-700:#4B2596; --brand-500:#7A45D6; --brand-300:#B79BF0; --brand-100:#EDE5FC;
  --accent-600:#E8501F; --accent-500:#FF6A3D; --accent-300:#FFB48A;
  --mint-600:#0FA183; --mint-500:#16BFA0; --mint-100:#DFF7F1;
  --warn:#F2A93B;
  --grad-brand:linear-gradient(120deg,#2E1358 0%,#4B2596 38%,#7A45D6 68%,#FF6A3D 100%);
  --grad-cta:linear-gradient(100deg,#7A45D6 0%,#E8501F 100%);
  --grad-data:linear-gradient(120deg,#16BFA0,#7A45D6);
  --r-pill:999px; --r-badge:10px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-xl:28px;
  --sh-1:0 1px 2px rgba(23,18,42,.05),0 6px 18px -8px rgba(46,19,88,.10);
  --sh-2:0 10px 28px -12px rgba(46,19,88,.20);
  --sh-3:0 24px 56px -20px rgba(46,19,88,.30);
  --sh-glow:0 16px 40px -16px rgba(232,80,31,.42);
  --sp-section:clamp(56px,7vw,104px);
  --fs-display:clamp(34px,4.4vw,58px);
  --fs-h1:clamp(28px,3.4vw,42px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --fs-h3:clamp(19px,1.8vw,24px);
  --fs-lead:clamp(16px,1.3vw,19px);
  --fs-metric:clamp(38px,4vw,56px);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.28}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid rgba(122,69,214,.45);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,244,.86);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(251,248,244,.97);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:18px;min-height:64px}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.brand-text{font-weight:700;font-size:17px;letter-spacing:-.02em}
.nav-links{display:flex;align-items:center;gap:20px;min-width:0}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--ink-2);padding:21px 0;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:13px;height:3px;border-radius:3px;background:var(--grad-cta);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-1px)}
.burger{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);border:0;cursor:pointer;
  font-size:15px;font-weight:600;white-space:nowrap;text-align:center;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .4s var(--ease),
             background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn--primary{background:var(--grad-cta);background-size:160% 100%;color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);background-position:60% 0}
.btn--primary:active{transform:translateY(0) scale(.99)}
.btn--ghost{background:transparent;border:1.5px solid var(--brand-500);color:var(--brand-700)}
.btn--ghost:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn--soft{background:var(--mist);color:var(--ink)}
.btn--soft:hover{background:var(--brand-100);color:var(--brand-700)}
.btn--link{height:auto;padding:0;background:none;color:var(--brand-700);border-radius:0;text-decoration:underline;text-underline-offset:4px}
.btn--link:hover{color:var(--accent-600)}
.btn[disabled]{filter:grayscale(.4);opacity:.75;cursor:not-allowed;transform:none;box-shadow:none}
.btn--block{width:100%}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--paper);
  z-index:90;transform:translateX(105%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:22px 22px 28px;box-shadow:var(--sh-3);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-links{display:flex;flex-direction:column;flex:1}
.drawer-links a{
  padding:16px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink-2);
  letter-spacing:.02em;transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--brand-700);padding-left:6px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,42,.42);z-index:80;opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
body.is-locked{overflow:hidden}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--ink-3)}
.crumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb li::after{content:"/";margin-left:6px;color:var(--line-2)}
.crumb li:last-child::after{content:"";margin:0}
.crumb a{color:var(--ink-3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand-700)}
.crumb .current{color:var(--ink)}

/* ---------- hero ---------- */
.hero{padding:28px 0 40px}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,56px);align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-100);color:var(--brand-700);
  border-radius:var(--r-pill);padding:7px 15px;font-size:13px;font-weight:600;
}
.tag i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}
.hero h1{font-size:var(--fs-h1);margin:18px 0 14px;font-weight:700}
.hero-lead{font-size:var(--fs-lead);color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-micro{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:28px;font-size:14px;color:var(--ink-2)}
.hero-micro span{padding:0 16px;border-left:1px solid var(--line-2)}
.hero-micro span:first-child{padding-left:0;border-left:0}
.hero-micro b{font-size:16px;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);
  aspect-ratio:16/11;background:var(--brand-900);
}
.hero-media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05)}
.hero-veil{
  position:absolute;inset:0;background:var(--grad-brand);opacity:.62;mix-blend-mode:multiply;
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,18,42,.05),rgba(23,18,42,.42));
}
.hero-corner{
  position:absolute;top:16px;left:16px;z-index:3;color:#fff;font-size:12.5px;font-weight:700;
  border:1px solid rgba(255,255,255,.55);border-radius:8px;padding:4px 10px;letter-spacing:.06em;
  backdrop-filter:none;background:rgba(46,19,88,.32);
}
.hero-caption{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:3;color:#fff;
}
.hero-caption h2{font-size:clamp(17px,1.5vw,21px);font-weight:600}
.hero-caption p{font-size:13px;color:rgba(255,255,255,.86);margin-top:6px}
.float-badge{
  position:absolute;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px 18px;box-shadow:var(--sh-3);min-width:168px;z-index:4;
}
.float-badge .fb-label{font-size:12.5px;color:var(--ink-3)}
.float-badge .fb-value{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.2}
.float-badge .fb-value small{font-size:13px;font-weight:500;color:var(--ink-2);margin-left:4px}
.float-badge--a{left:-28px;top:32px;border-top:3px solid var(--mint-500)}
.float-badge--b{right:-20px;bottom:-26px;border-top:3px solid var(--accent-500)}

/* ---------- section ---------- */
.section{padding:var(--sp-section) 0}
.section--warm{background:var(--warm)}
.section--mist{background:var(--mist)}
.section-head{max-width:760px;margin-bottom:clamp(26px,3.4vw,44px)}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:var(--fs-h2);font-weight:700}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:var(--fs-lead);max-width:46em}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- stat cards ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.stat-card{
  --tone:var(--brand-500);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.stat-card[data-tone="brand"]{--tone:var(--brand-500)}
.stat-card[data-tone="mint"]{--tone:var(--mint-500)}
.stat-card[data-tone="accent"]{--tone:var(--accent-500)}
.stat-card[data-tone="warn"]{--tone:var(--warn)}
.stat-card[data-tone="ink"]{--tone:var(--ink-3)}
.stat-card[data-tone="violet"]{--tone:var(--brand-300)}
.stat-head{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2)}
.stat-head i{width:8px;height:8px;border-radius:50%;background:var(--tone);flex:0 0 auto}
.stat-value{
  font-size:var(--fs-metric);font-weight:700;line-height:1.1;margin-top:14px;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.stat-value small{font-size:16px;font-weight:600;color:var(--ink-2);margin-left:6px;letter-spacing:0}
.stat-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.bar{height:6px;border-radius:99px;background:var(--mist);overflow:hidden;margin-top:16px}
.bar i{display:block;height:100%;border-radius:99px;background:var(--tone)}

/* ---------- comparison table ---------- */
.table-wrap{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);background:var(--paper);
  box-shadow:var(--sh-2);
}
table.cmp{width:100%;border-collapse:collapse;font-size:14.5px}
table.cmp thead th{
  background:var(--grad-brand);color:#fff;font-weight:600;text-align:left;
  padding:18px 22px;font-size:14px;letter-spacing:.01em;white-space:nowrap;
}
table.cmp tbody th{
  text-align:left;font-weight:600;color:var(--ink);padding:18px 22px;background:rgba(237,229,252,.4);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
table.cmp tbody td{
  padding:18px 22px;border-bottom:1px solid var(--line);color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr{transition:background-color .2s var(--ease)}
table.cmp tbody tr:hover{background:rgba(237,229,252,.4)}
table.cmp td .pill{
  display:inline-block;background:var(--brand-100);color:var(--brand-700);border-radius:var(--r-pill);
  padding:3px 11px;font-size:12.5px;font-weight:600;
}
table.cmp .good{color:var(--mint-600);font-weight:600}
.table-foot{
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;padding:16px 22px;
  background:var(--mist);font-size:12.5px;color:var(--ink-3);border-top:1px solid var(--line);
}
.after-table{padding-top:40px}

/* ---------- scenario cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene-card{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:0;overflow:hidden;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.scene-card figure{margin:0;position:relative;min-height:150px;background:var(--brand-900)}
.scene-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.scene-body{padding:22px 24px}
.scene-body h3{font-size:var(--fs-h3);font-weight:600}
.scene-body p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{background:var(--brand-100);color:var(--brand-700);border-radius:var(--r-pill);padding:4px 12px;font-size:12.5px;font-weight:600}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-no{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:var(--r-badge);
  background:var(--mist);color:var(--brand-700);font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:600}
.step p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:var(--brand-300)}
.faq-item.is-open{box-shadow:var(--sh-2);border-color:var(--brand-300)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:20px 24px;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--mist);color:var(--brand-700);
  display:grid;place-items:center;transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:var(--brand-100)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{
  padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq-item.is-open .faq-a-inner{border-left:4px solid transparent;border-image:var(--grad-brand) 1;padding-left:20px}
.faq-item.is-open .faq-a-inner p{padding-left:0}

/* ---------- CTA / form ---------- */
.cta-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,56px);align-items:start}
.cta-copy h2{font-size:var(--fs-h2);font-weight:700}
.cta-copy > p{margin-top:14px;color:var(--ink-2);font-size:var(--fs-lead);max-width:32em}
.cta-list{margin-top:26px;display:grid;gap:14px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.cta-list svg{flex:0 0 auto;margin-top:4px;color:var(--brand-500)}
.form-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:clamp(22px,2.6vw,34px);box-shadow:var(--sh-2);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:var(--paper);border-radius:var(--r-md);
  padding:0 16px;height:48px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:140px;padding:12px 16px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(122,69,214,.18);
}
.field .hint{font-size:12.5px;color:var(--ink-3)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2)}
.check input{width:18px;height:18px;height:18px;margin-top:3px;accent-color:var(--brand-500)}
.form-msg{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-md);font-size:14px;
  background:var(--mint-100);border:1px solid var(--mint-500);color:#0b6b57;
}
.form-msg.is-show{display:block}

/* ---------- footer ---------- */
.site-footer{margin-top:0;background:var(--warm);border-top:4px solid transparent;border-image:var(--grad-brand) 1;position:relative}
.footer-top{padding:clamp(44px,6vw,72px) 0 36px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--ink-2);max-width:34em}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;background:var(--paper);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-700)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2)}
.footer-contact svg{flex:0 0 auto;margin-top:3px;color:var(--brand-500)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 26px}
.footer-bottom-inner{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center}
.footer-bottom p,.footer-bottom a{font-size:13px;color:var(--ink-3)}
.footer-bottom a:hover{color:var(--brand-700)}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .stat-grid{gap:18px}
}
@media (max-width:992px){
  .nav-links{display:none}
  .burger{display:grid}
  .nav-grid{grid-template-columns:1fr auto}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{aspect-ratio:16/9}
  .float-badge--a{left:12px;top:12px}
  .float-badge--b{right:12px;bottom:-20px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 16px}
  table.cmp thead{display:none}
  table.cmp,table.cmp tbody,table.cmp tr,table.cmp th,table.cmp td{display:block;width:100%}
  table.cmp tbody tr{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
    margin:14px;padding:6px 0;width:calc(100% - 28px);
  }
  table.cmp tbody th{
    background:transparent;border-bottom:1px dashed var(--line);font-size:15px;
    padding:14px 18px;
  }
  table.cmp tbody td{
    display:flex;justify-content:space-between;gap:16px;text-align:right;
    padding:11px 18px;border-bottom:1px dashed var(--line);font-size:14px;
  }
  table.cmp tbody td:last-child{border-bottom:0}
  table.cmp tbody td::before{
    content:attr(data-label);color:var(--ink-3);font-size:12.5px;font-weight:600;text-align:left;flex:0 0 auto;
  }
  .table-foot{padding:16px}
  .form-grid{grid-template-columns:1fr}
  .hero-micro span{padding:0 12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom-inner{justify-content:flex-start}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .nav-grid{min-height:56px}
  .stat-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .scene-card{grid-template-columns:1fr}
  .scene-card figure{min-height:170px}
  .float-badge{position:static;margin-top:14px;min-width:0}
  .float-badge--b{margin-left:auto}
  .hero-actions .btn{width:100%}
  .stat-card{padding:20px}
  .btn{padding:0 20px}
}
@media (max-width:480px){
  .hero-micro{flex-direction:column;align-items:flex-start;gap:8px}
  .hero-micro span{padding:0;border-left:0}
  .section{padding:44px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category2 */
:root{
  --ink:#17122A;
  --ink-2:#4A4260;
  --ink-3:#8B84A3;
  --paper:#FBF8F4;
  --warm:#F5EFE7;
  --mist:#F3EFFB;
  --line:#E8E3F2;
  --line-2:#DCD4EE;
  --brand-900:#2E1358;
  --brand-700:#4B2596;
  --brand-500:#7A45D6;
  --brand-300:#B79BF0;
  --brand-100:#EDE5FC;
  --accent-600:#E8501F;
  --accent-500:#FF6A3D;
  --accent-300:#FFB48A;
  --mint-600:#0FA183;
  --mint-500:#16BFA0;
  --mint-100:#DFF7F1;
  --warn:#F2A93B;
  --grad-brand:linear-gradient(120deg,#2E1358 0%,#4B2596 38%,#7A45D6 68%,#FF6A3D 100%);
  --grad-cta:linear-gradient(100deg,#7A45D6 0%,#E8501F 100%);
  --grad-data:linear-gradient(120deg,#16BFA0,#7A45D6);
  --fs-display:clamp(34px,4.4vw,58px);
  --fs-h1:clamp(28px,3.4vw,42px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --fs-h3:clamp(19px,1.8vw,24px);
  --fs-lead:clamp(16px,1.3vw,19px);
  --fs-metric:clamp(38px,4vw,56px);
  --r-pill:999px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --sh-1:0 1px 2px rgba(23,18,42,.05),0 6px 18px -8px rgba(46,19,88,.10);
  --sh-2:0 10px 28px -12px rgba(46,19,88,.20);
  --sh-3:0 24px 56px -20px rgba(46,19,88,.30);
  --sh-glow:0 16px 40px -16px rgba(232,80,31,.42);
  --sp-section:clamp(56px,7vw,104px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.25;font-weight:700}
:focus-visible{outline:3px solid rgba(122,69,214,.45);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.03em}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:var(--sp-section) 0}
.section--warm{background:var(--warm)}
.section--mist{background:var(--mist)}
.section--paper{background:var(--paper)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-700);color:#fff;padding:10px 18px;z-index:200;border-radius:0 0 var(--r-sm) 0}
.skip-link:focus{left:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s cubic-bezier(.2,.7,.3,1),background-color .22s,border-color .22s,color .22s;
  white-space:nowrap;
}
.btn--primary{background:var(--grad-cta);background-size:118% 100%;color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);background-position:8% 0}
.btn--primary:active{transform:translateY(0) scale(.99)}
.btn--outline{border:1.5px solid var(--brand-500);color:var(--brand-700);background:transparent}
.btn--outline:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn--outline:active{transform:translateY(0) scale(.99)}
.btn--ghost{background:var(--mist);color:var(--ink)}
.btn--ghost:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn--text{height:auto;padding:0;border-radius:0;color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px}
.btn--text:hover{color:var(--accent-600)}
.btn[disabled],.btn.is-disabled{filter:grayscale(40%);opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none}

.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);background:var(--mist);
  transition:background-color .2s,color .2s,transform .2s;
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-1px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,248,244,.82);
  border-bottom:1px solid transparent;
  transition:background-color .25s,border-color .25s,box-shadow .25s;
}
.site-header.is-scrolled{background:rgba(251,248,244,.95);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-grid{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  align-items:center;gap:20px;height:64px;
}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:var(--grad-brand);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:22px;min-width:0}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);
  padding:20px 0;white-space:nowrap;
  transition:color .2s;
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:3px;border-radius:3px;background:var(--grad-cta);
}
.burger{display:none}

/* ---------- drawer ---------- */
.scrim{
  position:fixed;inset:0;background:rgba(23,18,42,.45);
  opacity:0;visibility:hidden;transition:opacity .28s,visibility .28s;z-index:130;
}
.scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:var(--paper);z-index:140;
  transform:translateX(102%);transition:transform .32s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px;
  box-shadow:var(--sh-3);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:17px;color:var(--ink-2);padding:14px 4px;border-bottom:1px solid var(--line);
  letter-spacing:.02em;
}
.drawer-nav a:hover{color:var(--brand-700)}
.drawer-nav a.is-active{color:var(--brand-700);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand-900)}
.page-hero__bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.page-hero__mask{
  position:absolute;inset:0;
  background:var(--grad-brand);opacity:.72;mix-blend-mode:multiply;
}
.page-hero__mask2{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,18,42,.30) 0%,rgba(23,18,42,.62) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:44px 20px clamp(48px,6vw,80px)}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#fff}
.crumbs span[aria-current]{color:#fff}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(255,255,255,.42)}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);color:#fff;
  border:1px solid rgba(255,255,255,.30);
  border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:600;
}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-300);display:inline-block}
.page-hero h1{
  margin-top:18px;color:#fff;font-size:var(--fs-h1);max-width:20ch;
}
.page-hero .lead{
  margin-top:16px;color:rgba(255,255,255,.86);font-size:var(--fs-lead);max-width:62ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn--outline{border-color:rgba(255,255,255,.62);color:#fff}
.hero-actions .btn--outline:hover{background:rgba(255,255,255,.14)}
.hero-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  margin-top:34px;color:#fff;
}
.hero-stats li{
  display:flex;align-items:baseline;gap:8px;padding-right:20px;margin-right:20px;
  border-right:1px solid rgba(255,255,255,.28);font-size:13px;color:rgba(255,255,255,.78);
}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats strong{font-size:22px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.03em}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:3fr 9fr;gap:44px;align-items:start}
.toc{position:sticky;top:88px}
.toc__title{
  font-size:12.5px;letter-spacing:.14em;color:var(--ink-3);font-weight:600;
  text-transform:uppercase;margin-bottom:16px;
}
.toc ol{position:relative;padding-left:18px;border-left:1px solid var(--line-2)}
.toc li{position:relative}
.toc li+li{margin-top:14px}
.toc a{
  display:block;font-size:14.5px;color:var(--ink-2);line-height:1.5;
  transition:color .2s;
}
.toc a::before{
  content:"";position:absolute;left:-23px;top:8px;width:9px;height:9px;border-radius:50%;
  background:var(--paper);border:2px solid var(--line-2);transition:border-color .2s,background-color .2s;
}
.toc a:hover{color:var(--brand-700)}
.toc a.is-current{color:var(--brand-700);font-weight:600}
.toc a.is-current::before{background:var(--accent-500);border-color:var(--accent-500)}
.toc__hint{
  margin-top:22px;background:var(--mist);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;font-size:13px;color:var(--ink-2);
}

.split__main{min-width:0}
.block{padding-bottom:clamp(44px,5vw,72px)}
.block+.block{border-top:1px solid var(--line);padding-top:clamp(44px,5vw,72px)}
.block:last-child{padding-bottom:0}
.block-head{max-width:70ch;margin-bottom:28px}
.block-head h2{font-size:var(--fs-h2)}
.block-head p{margin-top:12px;color:var(--ink-2);font-size:16px}

/* ---------- cards ---------- */
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--sh-2)}
.card--mist{background:var(--mist)}
.card--warm{background:var(--warm)}
.card--xl{border-radius:var(--r-xl)}
.card--xl::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  border-radius:var(--r-xl) var(--r-xl) 0 0;background:var(--grad-brand);
}
.card__icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);margin-bottom:18px;
}
.card__icon--mint{background:var(--mint-100);color:var(--mint-600)}
.card__icon--accent{background:#FFEDE4;color:var(--accent-600)}
.card h3{font-size:var(--fs-h3);margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15px}
.card__corner{
  position:absolute;top:18px;right:18px;width:24px;height:24px;border-radius:7px;
  border:1px solid var(--line-2);color:var(--ink-3);font-size:10px;font-weight:700;
  display:flex;align-items:center;justify-content:center;letter-spacing:.02em;
}
.card__list{margin-top:16px}
.card__list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);
}
.card__list li+li{margin-top:9px}
.card__list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;
  background:var(--brand-500);
}
.card__foot{margin-top:20px}

.badge{
  display:inline-flex;align-items:center;gap:7px;
  border-radius:var(--r-pill);padding:6px 14px;font-size:12.5px;font-weight:600;
  background:rgba(122,69,214,.08);border:1px solid rgba(122,69,214,.30);color:var(--brand-700);
}
.badge--mint{background:rgba(22,191,160,.08);border-color:rgba(22,191,160,.30);color:var(--mint-600)}
.badge--accent{background:rgba(255,106,61,.08);border-color:rgba(255,106,61,.30);color:var(--accent-600)}
.badge-group{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

.data-strip{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;
}
.data-pill{
  display:inline-flex;align-items:baseline;gap:8px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 18px;box-shadow:var(--sh-1);
}
.data-pill strong{font-size:22px;font-variant-numeric:tabular-nums;letter-spacing:-.03em;color:var(--brand-700)}
.data-pill span{font-size:12.5px;color:var(--ink-3)}

/* ---------- timeline ---------- */
.timeline{margin-top:8px}
.timeline__item{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px}
.timeline__item+.timeline__item{margin-top:24px}
.timeline__item:not(:last-child)::before{
  content:"";position:absolute;left:27px;top:58px;bottom:-24px;width:0;
  border-left:2px dashed var(--line-2);
}
.timeline__dot{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--paper);border:2px solid var(--brand-300);color:var(--brand-700);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  position:relative;z-index:2;transition:border-color .22s,color .22s,background-color .22s;
}
.timeline__item:hover .timeline__dot{background:var(--brand-100);border-color:var(--accent-500);color:var(--accent-600)}
.timeline__card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 28px;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s;
}
.timeline__card:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--sh-2)}
.timeline__card h3{font-size:var(--fs-h3);margin-bottom:8px}
.timeline__card p{color:var(--ink-2);font-size:15px}
.timeline__meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;
}

/* ---------- scenario ---------- */
.scene{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s;
}
.scene:hover{transform:translateY(-3px);border-color:var(--brand-300);box-shadow:var(--sh-2)}
.scene__no{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:var(--grad-data);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.scene h3{font-size:17px;margin-bottom:6px}
.scene p{font-size:14.5px;color:var(--ink-2)}

/* ---------- feature media card ---------- */
.media-card{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:center;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.media-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--grad-brand);
}
.media-card__img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md)}
.media-card h3{font-size:var(--fs-h3);margin-bottom:10px}
.media-card p{color:var(--ink-2);font-size:15px}

/* ---------- faq ---------- */
.faq{max-width:880px}
.faq__item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq__item+.faq__item{margin-top:14px}
.faq__item.is-open{border-color:var(--brand-300);box-shadow:var(--sh-1)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s;
}
.faq__q:hover{color:var(--brand-700)}
.faq__sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s,background-color .2s,color .2s;
}
.faq__item.is-open .faq__sign{transform:rotate(45deg);background:var(--grad-cta);color:#fff}
.faq__a{
  position:relative;display:none;padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq__item.is-open .faq__a{display:block}
.faq__a::before{
  content:"";position:absolute;left:0;top:4px;bottom:22px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);
}

/* ---------- cta ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--brand-900);
  padding:clamp(36px,5vw,60px);
  color:#fff;
}
.cta__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.cta__mask{position:absolute;inset:0;background:var(--grad-brand);opacity:.86}
.cta__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:center}
.cta h2{font-size:var(--fs-h2);color:#fff}
.cta p{margin-top:14px;color:rgba(255,255,255,.86);font-size:16px;max-width:56ch}
.cta__points{margin-top:20px}
.cta__points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.9)}
.cta__points li+li{margin-top:10px}
.cta__points svg{flex:0 0 auto;color:var(--accent-300)}
.cta__actions{display:flex;flex-direction:column;gap:14px}
.cta__actions .btn{width:100%}
.cta .btn--outline{border-color:rgba(255,255,255,.6);color:#fff}
.cta .btn--outline:hover{background:rgba(255,255,255,.14)}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--sp-section);background:var(--warm);border-top:1px solid var(--line);position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.footer-top{padding:clamp(44px,5vw,72px) 0 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-2);max-width:38ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;background:var(--paper);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:color .2s,border-color .2s,transform .2s;
}
.footer-social a:hover{color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand-700)}
.footer-contact li{font-size:14px;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start}
.footer-contact li+li{margin-top:12px}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--brand-500)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0}
.footer-bottom__inner{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:13px;color:var(--ink-3)}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{font-size:13px;color:var(--ink-3)}
.footer-links a:hover{color:var(--brand-700)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .split{grid-template-columns:3fr 9fr;gap:32px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:24px}
  .media-card{grid-template-columns:minmax(0,1fr) 240px}
}
@media (max-width:1080px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-grid{grid-template-columns:1fr auto}
  .nav-right .btn--primary{display:none}
}
@media (max-width:992px){
  .split{grid-template-columns:1fr;gap:28px}
  .toc{position:static;top:auto;border-bottom:1px solid var(--line);padding-bottom:20px}
  .toc ol{border-left:0;padding-left:0;display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .toc li+li{margin-top:0}
  .toc a{white-space:nowrap;background:var(--mist);border-radius:var(--r-pill);padding:8px 16px;font-size:13.5px}
  .toc a::before{display:none}
  .toc a.is-current{background:var(--brand-100)}
  .toc__hint{display:none}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .media-card{grid-template-columns:1fr}
  .media-card__img{order:-1}
  .cta__inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-grid{height:56px}
  .page-hero__inner{padding:28px 16px 44px}
  .block{padding-bottom:40px}
  .block+.block{padding-top:40px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .card{padding:20px}
  .timeline__item{grid-template-columns:44px minmax(0,1fr);gap:14px}
  .timeline__dot{width:44px;height:44px;font-size:14px}
  .timeline__item:not(:last-child)::before{left:21px;top:46px}
  .timeline__card{padding:20px}
  .media-card{padding:20px}
  .cta{padding:28px 20px}
  .hero-actions .btn{width:100%}
  .hero-stats li{border-right:0;padding-right:0;margin-right:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .page-hero h1{font-size:var(--fs-h1)}
  .btn{height:46px;padding:0 20px}
  .faq__q{font-size:15.5px;padding:16px 18px}
  .faq__a{padding:0 18px 18px 18px}
  .data-pill{padding:10px 14px}
  .data-pill strong{font-size:19px}
}
@media (max-width:480px){
  .brand-text{font-size:16px}
  .hero-stats{gap:0}
  .hero-stats strong{font-size:19px}
  .scene{flex-direction:column;gap:12px}
}

/* roulang page: category4 */
:root{
  --ink:#17122A;
  --ink-2:#4A4260;
  --ink-3:#8B84A3;
  --paper:#FBF8F4;
  --warm:#F5EFE7;
  --mist:#F3EFFB;
  --line:#E8E3F2;
  --line-2:#DCD4EE;
  --brand-900:#2E1358;
  --brand-700:#4B2596;
  --brand-500:#7A45D6;
  --brand-300:#B79BF0;
  --brand-100:#EDE5FC;
  --accent-600:#E8501F;
  --accent-500:#FF6A3D;
  --accent-300:#FFB48A;
  --mint-600:#0FA183;
  --mint-500:#16BFA0;
  --mint-100:#DFF7F1;
  --warn:#F2A93B;
  --grad-brand:linear-gradient(120deg,#2E1358 0%,#4B2596 38%,#7A45D6 68%,#FF6A3D 100%);
  --grad-cta:linear-gradient(100deg,#7A45D6 0%,#E8501F 100%);
  --grad-data:linear-gradient(120deg,#16BFA0,#7A45D6);
  --r-pill:999px;
  --r-badge:10px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --sh-1:0 1px 2px rgba(23,18,42,.05),0 6px 18px -8px rgba(46,19,88,.10);
  --sh-2:0 10px 28px -12px rgba(46,19,88,.20);
  --sh-3:0 24px 56px -20px rgba(46,19,88,.30);
  --sh-glow:0 16px 40px -16px rgba(232,80,31,.42);
  --sp-section:clamp(56px,7vw,104px);
  --fs-display:clamp(34px,4.4vw,58px);
  --fs-h1:clamp(28px,3.4vw,42px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --fs-h3:clamp(19px,1.8vw,24px);
  --fs-lead:clamp(16px,1.3vw,19px);
  --fs-metric:clamp(38px,4vw,56px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(122,69,214,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.03em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--grad-cta);background-size:150% 100%;color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);background-position:8% 0}
.btn--primary:active{transform:translateY(0) scale(.99)}
.btn--outline{background:transparent;border-color:var(--brand-500);color:var(--brand-700)}
.btn--outline:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn--outline:active{transform:translateY(0) scale(.99)}
.btn--ghost{background:var(--mist);color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{background:var(--brand-100);border-color:var(--brand-300)}
.btn--text{
  height:auto;padding:0;border-radius:0;background:none;color:var(--brand-700);
  font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;
}
.btn--text:hover{color:var(--accent-600)}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{filter:grayscale(40%);opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none}

/* ---------- 标签 / 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;
}
.chip--accent{background:rgba(255,106,61,.12);color:var(--accent-600)}
.chip--mint{background:var(--mint-100);color:var(--mint-600)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);box-shadow:0 0 0 4px rgba(255,106,61,.16)}
.stat-badge{
  background:var(--paper);border:1px solid rgba(122,69,214,.28);border-radius:var(--r-badge);
  padding:14px 16px;box-shadow:var(--sh-3);min-width:158px;
}
.stat-badge .bnum{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.03em;line-height:1.1}
.stat-badge .bnum span{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:3px;letter-spacing:0}
.stat-badge .cap{font-size:12.5px;color:var(--ink-3);margin-top:4px}
.stat-badge--mint{border-color:rgba(22,191,160,.35)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(251,248,244,.82);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{background:rgba(251,248,244,.96);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-grid{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;letter-spacing:.02em;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);padding:20px 0;font-weight:500;
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:3px;background:var(--grad-cta);
}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);
  color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--brand-100);border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-1px)}
.icon-btn .burger{display:none}
.burger{display:none}
.drawer{
  position:fixed;top:0;right:0;transform:translateX(100%);width:84vw;max-width:360px;height:100%;
  background:var(--paper);z-index:80;box-shadow:var(--sh-3);padding:24px 22px;display:flex;flex-direction:column;
  transition:transform .3s cubic-bezier(.2,.7,.3,1);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-links{display:flex;flex-direction:column;flex:1}
.drawer-links a{
  font-size:19px;letter-spacing:.06em;line-height:56px;border-bottom:1px solid var(--line);color:var(--ink-2);
}
.drawer-links a.is-active{color:var(--brand-700);font-weight:600}
.drawer-foot{padding-top:20px}
.scrim{
  position:fixed;inset:0;background:rgba(23,18,42,.42);opacity:0;visibility:hidden;z-index:70;transition:opacity .25s ease,visibility .25s ease;
}
.scrim.is-open{opacity:1;visibility:visible}
body.no-scroll{overflow:hidden}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-3);padding:20px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:var(--line-2)}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand-700)}
.crumb .now{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;padding:26px 0 40px}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.hero-copy{min-width:0}
.hero h1{font-size:var(--fs-display);margin:18px 0 0}
.hero .lead{font-size:var(--fs-lead);color:var(--ink-2);margin-top:16px;max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px;font-size:14px;color:var(--ink-2)}
.hero-metrics .m b{font-size:21px;font-variant-numeric:tabular-nums;letter-spacing:-.03em;color:var(--ink);margin-right:3px}
.hero-metrics .sep{width:1px;height:18px;background:var(--line-2)}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:420px;box-shadow:var(--sh-2);isolation:isolate}
.hero-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-visual .veil{
  position:absolute;inset:0;background:var(--grad-brand);opacity:.62;mix-blend-mode:multiply;
}
.hero-visual .veil-2{position:absolute;inset:0;background:linear-gradient(180deg,rgba(46,19,88,.12),rgba(46,19,88,.55));}
.hero-visual .vf {
  position:relative;z-index:2;padding:32px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;min-height:420px;
}
.hero-visual .vf .tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.9);color:var(--brand-900);font-size:12.5px;font-weight:600;align-self:flex-start}
.hero-visual .vf h2{color:#fff;font-size:clamp(20px,2vw,26px);text-shadow:0 2px 12px rgba(23,18,42,.35)}
.hero-visual .vf p{color:rgba(255,255,255,.9);font-size:14px;max-width:34em;text-shadow:0 2px 10px rgba(23,18,42,.35)}
.hero-badges{position:absolute;z-index:3;right:20px;top:0;bottom:0;display:flex;flex-direction:column;justify-content:space-between;padding:26px 0;pointer-events:none}
.hero-badges .stat-badge:nth-child(1){transform:translateX(-34px)}
.hero-badges .stat-badge:nth-child(2){transform:translateX(18px)}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0}
.section--warm{background:var(--warm)}
.section--mist{background:var(--mist)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.section-head h2{font-size:var(--fs-h2)}
.section-head .desc{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:44em}
.section-head .side{display:flex;align-items:center;gap:14px}
.grad-line{height:4px;border-radius:4px;background:var(--grad-brand);width:64px;margin-bottom:16px}

/* ---------- 活动图集（不规则网格） ---------- */
.gallery{
  display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:118px;gap:20px;
}
.g-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--line);
  box-shadow:var(--sh-1);background:var(--paper);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.g-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--brand-300)}
.g-card:active{transform:scale(.98)}
.g-card .media{position:absolute;inset:0;overflow:hidden}
.g-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.g-card:hover .media img{transform:scale(1.04)}
.g-card .shade{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(46,19,88,.08) 0%,rgba(46,19,88,.52) 48%,rgba(23,18,42,.86) 100%);
  transition:opacity .3s ease;
}
.g-card:hover .shade{opacity:.94}
.g-card .body{position:absolute;inset:auto 0 0 0;padding:22px;color:#fff;z-index:2}
.g-card .body h3{font-size:19px;line-height:1.35}
.g-card .body p{font-size:13px;color:rgba(255,255,255,.86);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.g-card .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.g-card .chips .chip{background:rgba(255,255,255,.92);color:var(--brand-900)}
.g-card .chips .chip--accent{background:var(--accent-500);color:#fff}
.g-card .chips .chip--mint{background:var(--mint-500);color:#062f27}
.g-card .corner{
  position:absolute;top:18px;left:18px;width:24px;height:24px;border-radius:7px;z-index:2;
  background:rgba(255,255,255,.88);color:var(--brand-900);display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;letter-spacing:.02em;
}
.g-a{grid-column:span 3;grid-row:span 3}
.g-b{grid-column:span 3;grid-row:span 2}
.g-c{grid-column:span 3;grid-row:span 2;margin-top:-56px}
.g-d{grid-column:span 2;grid-row:span 2}
.g-e{grid-column:span 2;grid-row:span 2}
.g-f{grid-column:span 2;grid-row:span 2}
.g-b .body h3,.g-c .body h3{font-size:22px}

/* ---------- 福利说明三卡（骨架各异） ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:28px;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.card h3{font-size:var(--fs-h3);margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15px}
.card .corner{
  position:absolute;top:20px;right:20px;width:24px;height:24px;border-radius:7px;background:var(--mist);
  color:var(--brand-700);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.card{position:relative}
.icon-round{
  width:46px;height:46px;border-radius:14px;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card .link-line{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-weight:600;color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
.card .link-line:hover{color:var(--accent-600)}
.num-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.num-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);border-bottom:1px dashed var(--line-2);padding-bottom:12px}
.num-list li:last-child{border-bottom:0;padding-bottom:0}
.num-list .no{font-size:12.5px;font-weight:700;color:var(--accent-600);font-variant-numeric:tabular-nums;padding-top:2px}
.card--cover{padding:0;overflow:hidden;display:flex;flex-direction:column}
.card--cover .cv{position:relative;aspect-ratio:16/10;overflow:hidden}
.card--cover .cv img{width:100%;height:100%;object-fit:cover}
.card--cover .cv::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(46,19,88,.05),rgba(46,19,88,.55))}
.card--cover .cbody{padding:24px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.step .idx{
  width:36px;height:36px;border-radius:var(--r-pill);background:var(--grad-cta);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-2)}
.step .meta{margin-top:14px;font-size:12.5px;color:var(--ink-3)}

/* ---------- 规则表 ---------- */
.table-wrap{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:var(--paper)}
table.rules{width:100%;border-collapse:collapse;font-size:14.5px}
table.rules thead th{
  background:var(--grad-brand);color:#fff;text-align:left;font-weight:600;font-size:14px;
  padding:16px 20px;letter-spacing:.01em;
}
table.rules tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
table.rules tbody tr:last-child td{border-bottom:0}
table.rules tbody tr{transition:background .2s ease}
table.rules tbody tr:hover{background:rgba(237,229,252,.4)}
table.rules td:first-child{color:var(--ink);font-weight:600}
table.rules .money{font-variant-numeric:tabular-nums;text-align:right;color:var(--ink);font-weight:600}
.table-note{margin-top:14px;font-size:12.5px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  overflow:hidden;position:relative;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brand-300);box-shadow:var(--sh-2)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:0;transition:opacity .25s ease}
.faq-item.is-open::before{opacity:1}
.faq-trigger{
  width:100%;background:none;border:0;text-align:left;padding:20px 24px;display:flex;align-items:center;
  justify-content:space-between;gap:18px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-trigger:hover{color:var(--brand-700)}
.faq-ico{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-ico::before{left:0;top:8px;width:18px;height:2px}
.faq-ico::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.2,.7,.3,1)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a .inner{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- CTA / 表单 ---------- */
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.cta-copy h2{font-size:var(--fs-h2);margin-bottom:14px}
.cta-copy .desc{color:var(--ink-2);font-size:16px}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.check-list .ic{
  width:26px;height:26px;flex:0 0 26px;border-radius:9px;background:var(--mint-100);color:var(--mint-600);
  display:flex;align-items:center;justify-content:center;margin-top:1px;
}
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-2);padding:32px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field .hint{font-size:12.5px;color:var(--ink-3)}
.input,.select,.textarea{
  width:100%;height:48px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--paper);
  padding:0 14px;font-size:15px;color:var(--ink);font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.textarea{height:140px;padding:12px 14px;resize:vertical;line-height:1.7}
.input:hover,.select:hover,.textarea:hover{border-color:var(--line-2)}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(122,69,214,.18);background:#fff;
}
.input.is-error,.select.is-error,.textarea.is-error{border-color:var(--accent-600);box-shadow:0 0 0 3px rgba(232,80,31,.14)}
.err-msg{font-size:12.5px;color:var(--accent-600);display:none}
.err-msg.show{display:block}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin-top:4px}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-500)}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px}
.form-status{
  margin-top:16px;border-radius:var(--r-md);padding:14px 16px;font-size:14px;display:none;
  background:var(--mint-100);color:#0a6b58;border:1px solid rgba(22,191,160,.4);
}
.form-status.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--warm);border-top:4px solid transparent;border-image:var(--grad-brand) 1;margin-top:20px}
.footer-top{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{color:var(--ink-2);font-size:14px;margin-top:16px;max-width:34em}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-pill);background:var(--paper);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--brand-100);border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand-700)}
.footer-contact li{font-size:14px;color:var(--ink-2);line-height:1.65}
.footer-bottom{border-top:1px solid var(--line-2);padding:20px 0}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between}
.footer-bottom p,.footer-bottom a{font-size:13px;color:var(--ink-3)}
.footer-bottom a:hover{color:var(--brand-700)}
.footer-links{display:flex;flex-wrap:wrap;gap:16px}

/* ---------- 空态 ---------- */
.empty{
  border:1px dashed var(--line-2);border-radius:var(--r-lg);padding:48px 24px;text-align:center;background:var(--paper);
}
.empty .eic{
  width:48px;height:48px;border-radius:14px;background:var(--mist);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
}
.empty p{color:var(--ink-3);font-size:14px;margin-bottom:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-grid{gap:32px}
  .g-a{grid-column:span 4;grid-row:span 3}
  .g-b,.g-c{grid-column:span 2;grid-row:span 3}
  .g-c{margin-top:0}
  .g-d,.g-e,.g-f{grid-column:span 2;grid-row:span 2}
}
@media (max-width:992px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .hero-visual{min-height:340px}
  .hero-visual .vf{min-height:340px;padding:26px}
  .hero-badges{position:static;flex-direction:row;gap:14px;padding:0;margin-top:16px;pointer-events:auto}
  .hero-badges .stat-badge:nth-child(1),.hero-badges .stat-badge:nth-child(2){transform:none}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .gallery{grid-auto-rows:150px}
  .g-a{grid-column:span 6;grid-row:span 2}
  .g-b{grid-column:span 6;grid-row:span 2}
  .g-c{grid-column:span 6;grid-row:span 2}
  .g-d,.g-e,.g-f{grid-column:span 3;grid-row:span 2}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-grid{height:56px}
  .nav-right .btn--primary{display:none}
  .hero{padding-top:12px}
  .hero-metrics{gap:12px;font-size:13px}
  .hero-metrics .sep{display:none}
  .hero-actions .btn{width:100%}
  .hero-visual{min-height:300px}
  .hero-visual .vf{min-height:300px;padding:22px}
  .hero-badges{flex-direction:column}
  .stat-badge{min-width:0;width:100%}
  .benefit-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr;grid-auto-rows:190px;gap:16px}
  .g-a,.g-b,.g-c,.g-d,.g-e,.g-f{grid-column:span 1;grid-row:span 1}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom .container{flex-direction:column;align-items:flex-start}
  table.rules thead{display:none}
  table.rules,table.rules tbody,table.rules tr,table.rules td{display:block;width:100%}
  table.rules tr{
    border:1px solid var(--line);border-radius:var(--r-md);padding:16px;margin:12px;background:var(--paper);
  }
  table.rules tbody tr:hover{background:var(--paper)}
  table.rules td{
    display:flex;justify-content:space-between;gap:14px;border:0;padding:7px 0;text-align:right;font-size:14px;
  }
  table.rules td::before{
    content:attr(data-label);color:var(--ink-3);font-size:13px;font-weight:500;text-align:left;flex:0 0 auto;
  }
  table.rules td:first-child{font-size:16px;padding-bottom:12px;border-bottom:1px dashed var(--line-2);margin-bottom:6px}
  table.rules td:first-child::before{display:none}
  table.rules td:first-child{justify-content:flex-start;text-align:left}
  table.rules .money{text-align:right}
}
@media (max-width:560px){
  :root{--sp-section:44px;--r-lg:18px;--r-xl:22px}
  .section-head{margin-bottom:24px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .hero h1{letter-spacing:-.03em}
  .faq-trigger{font-size:15.5px;padding:18px}
  .faq-a .inner{padding:0 18px 18px}
  .card h3{font-size:18px}
  .g-card .body{padding:18px}
}
@media (max-width:480px){
  .brand-text{font-size:16px}
  .hero-metrics{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-top{padding:44px 0 28px}
}

/* roulang page: category3 */
:root{
  --ink:#17122A; --ink-2:#4A4260; --ink-3:#8B84A3;
  --paper:#FBF8F4; --warm:#F5EFE7; --mist:#F3EFFB;
  --line:#E8E3F2; --line-2:#DCD4EE;
  --brand-900:#2E1358; --brand-700:#4B2596; --brand-500:#7A45D6; --brand-300:#B79BF0; --brand-100:#EDE5FC;
  --accent-600:#E8501F; --accent-500:#FF6A3D; --accent-300:#FFB48A;
  --mint-600:#0FA183; --mint-500:#16BFA0; --mint-100:#DFF7F1;
  --warn:#F2A93B;
  --grad-brand:linear-gradient(120deg,#2E1358 0%,#4B2596 38%,#7A45D6 68%,#FF6A3D 100%);
  --grad-cta:linear-gradient(100deg,#7A45D6 0%,#E8501F 100%);
  --grad-data:linear-gradient(120deg,#16BFA0,#7A45D6);
  --fs-display:clamp(34px,4.4vw,58px);
  --fs-h1:clamp(28px,3.4vw,42px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --fs-h3:clamp(19px,1.8vw,24px);
  --fs-lead:clamp(16px,1.3vw,19px);
  --fs-metric:clamp(38px,4vw,56px);
  --r-pill:999px; --r-badge:10px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-xl:28px;
  --sh-1:0 1px 2px rgba(23,18,42,.05),0 6px 18px -8px rgba(46,19,88,.10);
  --sh-2:0 10px 28px -12px rgba(46,19,88,.20);
  --sh-3:0 24px 56px -20px rgba(46,19,88,.30);
  --sh-glow:0 16px 40px -16px rgba(232,80,31,.42);
  --sp-section:clamp(56px,7vw,104px);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.28;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(122,69,214,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.num{font-family:"Barlow","Noto Sans SC",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.03em}

/* ---------- 顶部状态条 ---------- */
.statusbar{background:var(--brand-900);color:rgba(255,255,255,.84);font-size:12.5px}
.statusbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.status-left{display:flex;align-items:center;gap:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--mint-500);box-shadow:0 0 0 0 rgba(22,191,160,.6);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,191,160,.55)}70%{box-shadow:0 0 0 9px rgba(22,191,160,0)}100%{box-shadow:0 0 0 0 rgba(22,191,160,0)}}
.status-right{color:rgba(255,255,255,.6);white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,248,244,.9);border-bottom:1px solid transparent;transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease)}
.site-header.is-scrolled{background:rgba(251,248,244,.97);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-grid{display:grid;grid-template-columns:repeat(12,1fr);align-items:center;height:64px}
.nav-left{grid-column:1/8;display:flex;align-items:center;gap:30px;min-width:0}
.nav-right{grid-column:8/13;display:flex;align-items:center;justify-content:flex-end;gap:10px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--grad-brand);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;letter-spacing:.02em;box-shadow:var(--sh-1)}
.brand-text{font-weight:700;font-size:17.5px;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:24px;min-width:0}
.nav-links a{position:relative;font-size:14.5px;color:var(--ink-2);padding:6px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--grad-cta);opacity:0;transform:scaleX(.5);transition:opacity .22s var(--ease),transform .22s var(--ease)}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1)}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);color:var(--ink-2);cursor:pointer;transition:border-color .2s,color .2s,transform .2s var(--ease),background .2s}
.icon-btn:hover{border-color:var(--brand-300);color:var(--brand-700);background:var(--brand-100);transform:translateY(-1px)}
.burger{display:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s,color .22s,border-color .22s;background-clip:padding-box}
.btn--primary{background:var(--grad-cta);background-size:140% 100%;color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);background-position:20% 0}
.btn--primary:active{transform:translateY(0) scale(.99)}
.btn--secondary{background:transparent;border-color:var(--brand-500);color:var(--brand-700)}
.btn--secondary:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn--secondary:active{transform:translateY(0) scale(.99)}
.btn--ghost{background:var(--mist);color:var(--ink);border-color:transparent}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-700)}
.btn--block{width:100%}
.btn[disabled]{filter:grayscale(40%);opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.link-action{display:inline-flex;align-items:center;gap:6px;color:var(--accent-600);font-size:14px;font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px;cursor:pointer;transition:color .2s var(--ease),gap .2s var(--ease)}
.link-action:hover{color:var(--brand-700);gap:10px}
.link-plain{color:var(--brand-700);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px;transition:color .2s}
.link-plain:hover{color:var(--accent-600)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0 0 0 auto;width:84vw;max-width:360px;background:var(--paper);box-shadow:var(--sh-3);transform:translateX(102%);transition:transform .3s var(--ease);z-index:80;display:flex;flex-direction:column;padding:22px 22px 28px;gap:8px}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{font-size:20px;letter-spacing:.01em;line-height:56px;color:var(--ink-2);border-bottom:1px solid var(--line);transition:color .2s,padding-left .2s}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--brand-700);padding-left:6px;font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px}
.scrim{position:fixed;inset:0;background:rgba(23,18,42,.42);opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:70}
.scrim.is-open{opacity:1;pointer-events:auto}
body.is-locked{overflow:hidden}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--ink-3);transition:color .2s}
.crumb a:hover{color:var(--brand-700)}
.crumb span.sep{color:var(--line-2)}
.crumb .cur{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{padding:26px 0 clamp(40px,5vw,64px);position:relative}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.28;mask-image:radial-gradient(70% 60% at 30% 20%,#000,transparent);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:repeat(12,1fr);gap:34px;align-items:center}
.hero-copy{grid-column:1/6;min-width:0}
.hero-visual-wrap{grid-column:6/13;position:relative}
.tag{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600}
.hero h1{font-size:var(--fs-display);margin:20px 0 0;line-height:1.16}
.hero h1 em{font-style:normal;background:var(--grad-cta);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:16px;font-size:var(--fs-lead);color:var(--ink-2);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-mini{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;font-size:13.5px;color:var(--ink-2)}
.hero-mini b{font-family:"Barlow",sans-serif;font-variant-numeric:tabular-nums;font-size:17px;color:var(--ink);font-weight:700;margin-right:4px}
.hero-mini i{width:1px;height:16px;background:var(--line-2);display:inline-block}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:440px;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;box-shadow:var(--sh-3)}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(46,19,88,.72) 0%,rgba(122,69,214,.5) 52%,rgba(232,80,31,.46) 100%)}
.hero-visual-txt{position:absolute;left:28px;bottom:26px;right:28px;z-index:2;color:#fff}
.hero-visual-txt strong{display:block;font-size:var(--fs-h3);font-weight:700;letter-spacing:-.01em;color:#fff}
.hero-visual-txt span{display:block;font-size:13px;color:rgba(255,255,255,.82);margin-top:6px}
.float-badge{position:absolute;z-index:3;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:16px 18px;min-width:190px}
.float-badge--top{top:26px;left:-30px}
.float-badge--bottom{bottom:30px;right:-24px}
.float-badge .fb-label{font-size:12.5px;color:var(--ink-3)}
.float-badge .fb-num{font-size:32px;font-weight:700;line-height:1.1;margin-top:4px;font-family:"Barlow",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.float-badge .fb-num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--ink-2)}
.float-badge .fb-note{font-size:12px;color:var(--ink-3);margin-top:4px}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0}
.section--warm{background:var(--warm)}
.section--mist{background:var(--mist)}
.section--paper{background:var(--paper)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.section-head .sh-left{max-width:62ch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand-700);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-cta)}
.section-title{font-size:var(--fs-h2);margin-top:12px}
.section-desc{margin-top:12px;color:var(--ink-2);font-size:15.5px;max-width:64ch}

/* ---------- 评分条 ---------- */
.rate-list{display:grid;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-1)}
.rate-row{display:grid;grid-template-columns:180px 1fr 96px;align-items:center;gap:18px}
.rate-name{font-size:14.5px;font-weight:600;color:var(--ink)}
.rate-track{height:10px;border-radius:var(--r-pill);background:var(--mist);overflow:hidden}
.rate-fill{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad-data);transition:width .8s var(--ease)}
.rate-val{text-align:right;font-family:"Barlow",sans-serif;font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;letter-spacing:-.03em}
.rate-val small{font-size:12.5px;font-weight:600;color:var(--ink-3);margin-left:3px}
.rate-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-2);font-size:12.5px;color:var(--ink-3);line-height:1.7}

/* ---------- 对照表 ---------- */
.compare-wrap{border-radius:var(--r-xl);border:1px solid var(--line);overflow:hidden;background:#fff;box-shadow:var(--sh-2)}
table.compare{width:100%;border-collapse:collapse;font-size:14.5px}
.compare caption{text-align:left;padding:22px 26px 4px;font-size:13px;color:var(--ink-3)}
.compare thead th{background:var(--brand-900);color:#fff;text-align:left;font-size:13.5px;font-weight:600;padding:16px 18px;letter-spacing:.01em;white-space:nowrap}
.compare tbody td{padding:20px 18px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.compare tbody tr{transition:background .2s var(--ease)}
.compare tbody tr:hover{background:rgba(237,229,252,.45)}
.compare td.c-name{color:var(--ink);font-weight:600;width:16%}
.compare td.c-ours{width:24%;color:var(--ink)}
.compare td.c-ours b{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-700)}
.compare td.c-ours b::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint-500)}
.compare td.c-other{width:24%}
.compare td.c-diff{width:22%}
.compare td.c-act{width:14%;white-space:nowrap}
.compare tbody td.c-act .link-action{font-size:13.5px}
.table-foot{padding:16px 26px 22px;font-size:12.5px;color:var(--ink-3);line-height:1.75;border-top:1px dashed var(--line-2);background:rgba(243,239,251,.5)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.scene-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad-brand)}
.scene-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.scene-card:hover .scene-cover img{transform:scale(1.04)}
.scene-body{padding:24px}
.scene-body h3{font-size:var(--fs-h3)}
.scene-body p{margin-top:10px;color:var(--ink-2);font-size:14.5px}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.step-no{font-family:"Barlow",sans-serif;font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;letter-spacing:-.03em;background:var(--grad-cta);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{font-size:17.5px;margin-top:10px}
.step p{margin-top:8px;font-size:14px;color:var(--ink-2)}
.step::after{content:"";position:absolute;top:50%;right:-14px;width:8px;height:8px;border-radius:50%;background:var(--brand-300);display:none}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:14px;overflow:hidden;transition:border-color .22s,box-shadow .22s}
.faq-item:hover{border-color:var(--brand-300)}
.faq-item::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease)}
.faq-item.is-open{border-color:var(--line-2);box-shadow:var(--sh-1)}
.faq-item.is-open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-sign{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1px solid var(--line-2);transition:transform .22s var(--ease),background .22s,border-color .22s}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--brand-700);border-radius:2px}
.faq-sign::before{width:10px;height:1.75px}
.faq-sign::after{width:1.75px;height:10px;transition:opacity .22s}
.faq-item.is-open .faq-sign{transform:rotate(180deg);background:var(--brand-100);border-color:var(--brand-300)}
.faq-item.is-open .faq-sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- 表单 ---------- */
.cta-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:34px;align-items:start}
.cta-copy{grid-column:1/6}
.cta-copy h2{font-size:var(--fs-h2)}
.cta-copy>p{margin-top:14px;color:var(--ink-2);font-size:15.5px}
.cta-list{margin-top:24px;display:grid;gap:14px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.cta-list .tick{flex:0 0 24px;width:24px;height:24px;border-radius:8px;background:var(--mint-100);color:var(--mint-600);display:grid;place-items:center;margin-top:2px}
.form-card{grid-column:6/13;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-2);padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;height:48px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--paper);padding:0 15px;font-size:15px;transition:border-color .2s,box-shadow .2s}
.field textarea{height:140px;padding:13px 15px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(122,69,214,.18)}
.field .hint{font-size:12.5px;color:var(--ink-3)}
.field.has-error input,.field.has-error textarea{border-color:var(--accent-600)}
.field .err{font-size:12.5px;color:var(--accent-600);display:none}
.field.has-error .err{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.6}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand-500)}
.form-note{margin-top:14px;font-size:12.5px;color:var(--ink-3)}
.form-msg{margin-top:14px;padding:12px 16px;border-radius:var(--r-md);background:var(--mint-100);border:1px solid var(--mint-500);color:var(--mint-600);font-size:13.5px;display:none}
.form-msg.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#1B0E36;color:rgba(255,255,255,.72);margin-top:0}
.site-footer .footer-top{border-top:4px solid;border-image:var(--grad-brand) 1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding:clamp(40px,5vw,64px) 0 36px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.64);max-width:34em}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;color:rgba(255,255,255,.78);transition:background .2s,border-color .2s,color .2s,transform .2s}
.footer-social a:hover{background:rgba(122,69,214,.28);border-color:var(--brand-300);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.68);transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--accent-300);padding-left:4px}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px}
.footer-bottom .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.52)}
.footer-bottom a{color:rgba(255,255,255,.62);margin-right:14px;transition:color .2s}
.footer-bottom a:hover{color:var(--brand-300)}

/* ---------- 空态 / 骨架（预留组件） ---------- */
.empty-state{border:1px dashed var(--line-2);border-radius:var(--r-lg);padding:40px 24px;text-align:center;color:var(--ink-3);font-size:14px}
.empty-state .es-icon{width:44px;height:44px;margin:0 auto 14px;border-radius:var(--r-md);background:var(--mist);display:grid;place-items:center;color:var(--brand-500)}
.skeleton{height:14px;border-radius:8px;background:linear-gradient(100deg,var(--mist) 30%,#fff 50%,var(--mist) 70%);background-size:200% 100%;animation:shimmer 1.2s infinite linear}
@keyframes shimmer{0%{background-position:120% 0}100%{background-position:-80% 0}}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links{gap:18px}
  .nav-links a{font-size:14px}
  .hero-mini{gap:12px}
}
@media (max-width:992px){
  .nav-links{display:none}
  .burger{display:grid}
  .nav-left{grid-column:1/7}
  .nav-right{grid-column:7/13}
  .hero-copy{grid-column:1/13}
  .hero-visual-wrap{grid-column:1/13;margin-top:8px}
  .hero-visual{min-height:340px}
  .float-badge--top{top:16px;left:16px}
  .float-badge--bottom{bottom:16px;right:16px}
  .scene-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .cta-copy{grid-column:1/13}
  .form-card{grid-column:1/13}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .rate-row{grid-template-columns:1fr;gap:8px}
  .rate-val{text-align:left}
  .compare-wrap{border-radius:var(--r-lg);border:0;background:transparent;box-shadow:none}
  table.compare{display:block;width:100%}
  .compare caption{padding:0 0 14px}
  .compare thead{display:none}
  .compare tbody{display:block}
  .compare tbody tr{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);margin-bottom:16px;padding:8px 0}
  .compare tbody tr:hover{background:var(--paper)}
  .compare tbody td{display:flex;gap:14px;width:100%!important;padding:12px 18px;border-top:1px dashed var(--line)}
  .compare tbody td:first-child{border-top:0}
  .compare tbody td::before{content:attr(data-label);flex:0 0 88px;font-size:12.5px;color:var(--ink-3);font-weight:600;padding-top:2px}
  .compare td.c-act{justify-content:flex-start}
  .table-foot{padding:4px 2px 0;border-top:0;background:transparent}
  .scene-grid{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .status-right{display:none}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .hero-mini i{display:none}
  .steps{grid-template-columns:1fr}
  .faq-q{font-size:15.5px;padding:18px}
  .faq-a p{padding:0 18px 20px}
  .rate-list{padding:20px}
  .scene-body{padding:20px}
  .brand-text{font-size:16.5px}
}
@media (max-width:480px){
  :root{--fs-display:clamp(28px,8vw,36px)}
  .section{padding:44px 0}
  .float-badge{min-width:0;padding:12px 14px}
  .float-badge--top{left:10px;top:10px}
  .float-badge--bottom{right:10px;bottom:10px}
  .float-badge .fb-num{font-size:24px}
  .hero-visual{min-height:260px}
  .hero-visual-txt{left:16px;right:16px;bottom:16px}
}