/* roulang page: index */
:root{
  --brand:#6A4CFF;
  --brand-2:#FF5C7A;
  --accent:#FFC93C;
  --accent-2:#FF8A3D;
  --mint:#1FD3C0;
  --ink:#1B1633;
  --ink-2:#5D5878;
  --ink-3:#908BA8;
  --line:#E9E6F7;
  --bg:#F6F5FC;
  --card:#FFFFFF;
  --dark:#191233;
  --grad-brand:linear-gradient(135deg,#6A4CFF 0%,#FF5C7A 100%);
  --grad-promo:linear-gradient(135deg,#FFC93C 0%,#FF8A3D 100%);
  --grad-soft:linear-gradient(135deg,rgba(106,76,255,.10),rgba(255,92,122,.10));
  --r-card:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:12px;
  --r-pill:999px;
  --sh-soft:0 6px 18px -8px rgba(27,22,51,.10);
  --sh-mid:0 16px 36px -16px rgba(27,22,51,.16);
  --sh-brand:0 20px 44px -20px rgba(106,76,255,.38);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-top:118px;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(106,76,255,.35);outline-offset:2px;border-radius:10px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-right:auto;margin-left:auto}
@media (min-width:1400px){.container{max-width:1200px}}
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  [data-reveal]{opacity:1;transform:none}
}

/* ============ 顶部悬浮胶囊导航 ============ */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:1030;padding:0 20px;transition:top 240ms var(--ease)}
.site-header.is-scrolled{top:10px}
.nav-shell{
  max-width:1160px;margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:var(--sh-soft);
  transition:box-shadow 240ms var(--ease),background 240ms var(--ease);
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.95);box-shadow:var(--sh-mid)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  box-shadow:0 12px 22px -12px rgba(106,76,255,.9);
}
.brand-name{font-size:16px;font-weight:800;white-space:nowrap;letter-spacing:-.01em}
.nav-links{flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:4px}
.nav-link{
  padding:9px 16px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--ink-2);
  transition:all 220ms var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(106,76,255,.07)}
.nav-link.is-active{color:var(--brand);background:rgba(106,76,255,.10)}
.nav-right{flex:0 0 auto;display:flex;align-items:center;gap:10px}
.btn-nav{padding:10px 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;background:#fff;padding:24px;
  display:flex;flex-direction:column;gap:10px;overflow-y:auto;
  transform:translateX(102%);transition:transform 300ms var(--ease);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  font-size:22px;line-height:1;color:var(--ink-2);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.drawer-link{padding:16px 18px;border-radius:var(--r-md);font-size:17px;font-weight:700;color:var(--ink);background:#fff;border:1px solid var(--line)}
.drawer-link:hover{border-color:var(--brand);color:var(--brand)}
.drawer-link.is-active{background:rgba(106,76,255,.08);border-color:rgba(106,76,255,.32);color:var(--brand)}
.drawer-cta{margin-top:auto;width:100%}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:all 220ms var(--ease);
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 14px 28px -16px rgba(106,76,255,.85)}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:var(--sh-brand)}
.btn-line{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-line:hover{border-color:var(--brand);background:rgba(106,76,255,.06);color:var(--brand);transform:translateY(-2px)}
.btn-promo{background:var(--grad-promo);color:var(--dark);box-shadow:0 14px 28px -16px rgba(255,138,61,.9)}
.btn-promo:hover{transform:translateY(-2px);filter:brightness(1.04);color:var(--dark)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-head{max-width:740px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-block;padding:5px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:700;
  color:var(--brand);background:rgba(106,76,255,.10);margin-bottom:16px;letter-spacing:.02em;
}
.section-head h2{font-size:28px;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-more{font-size:15px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more::after{content:"→";transition:transform 220ms var(--ease)}
.link-more:hover::after{transform:translateX(4px)}
@media (min-width:992px){.section-head h2{font-size:34px}}

.badge-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-badge);
  font-size:13px;font-weight:700;background:rgba(106,76,255,.10);color:var(--brand);
}
.badge-solid{background:var(--accent);color:var(--dark)}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--ink-2)}

/* ============ Hero ============ */
.hero{position:relative;padding:34px 0 84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-260px;right:-200px;width:780px;height:780px;border-radius:50%;
  background:var(--grad-brand);opacity:.10;
}
.hero::after{
  content:"";position:absolute;left:-160px;bottom:-220px;width:480px;height:480px;border-radius:50%;
  background:var(--grad-promo);opacity:.12;
}
.hero .container{position:relative;z-index:1}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--ink-2);
  box-shadow:var(--sh-soft);margin-bottom:22px;
}
.hero-eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block}
.hero-title{font-size:clamp(28px,3.6vw,44px);line-height:1.22;margin-bottom:20px}
.hero-title em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:600px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:600px}
.hero-stats li{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;box-shadow:var(--sh-soft)}
.hero-stats strong{display:block;font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats span{font-size:13px;color:var(--ink-3)}
.hero-visual{
  position:relative;min-height:440px;border-radius:var(--r-card);padding:30px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;box-shadow:var(--sh-mid);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.hero-visual::after{content:"";position:absolute;inset:0;background:var(--grad-soft)}
.hero-photo{position:relative;z-index:2;width:min(232px,62%);border-radius:20px;box-shadow:0 26px 54px -22px rgba(27,22,51,.6)}
.float-card{
  position:absolute;z-index:3;background:#fff;border-radius:var(--r-sm);padding:10px 14px;
  box-shadow:var(--sh-mid);font-size:13px;line-height:1.45;border:1px solid var(--line);
}
.float-card b{display:block;font-size:15px;font-variant-numeric:tabular-nums}
.float-card span{color:var(--ink-3)}
.float-card-version{right:18px;top:52px}
.float-card-score{left:16px;bottom:56px}
.float-card-score b{color:var(--accent-2)}
@media (max-width:991px){
  .hero{padding:18px 0 64px}
  .hero-visual{min-height:340px;margin-top:12px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ============ 福利阶梯 ============ */
.tiers{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tier-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:start}
.tier-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;
  box-shadow:var(--sh-soft);display:flex;flex-direction:column;gap:14px;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.tier-card:nth-child(1){margin-top:44px}
.tier-card:nth-child(2){margin-top:30px}
.tier-card:nth-child(3){margin-top:16px}
.tier-card:nth-child(4){margin-top:0;border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;box-shadow:var(--sh-brand)}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-brand)}
.tier-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tier-badge{font-size:13px;font-weight:800;padding:4px 12px;border-radius:var(--r-badge);background:rgba(106,76,255,.10);color:var(--brand)}
.tier-card:nth-child(4) .tier-badge{background:var(--grad-promo);color:var(--dark)}
.tier-card h3{font-size:20px}
.tier-price{font-size:15px;color:var(--ink-3);display:flex;align-items:baseline;gap:4px}
.tier-price b{font-size:32px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1}
.tier-list{display:flex;flex-direction:column;gap:9px;font-size:14.5px;color:var(--ink-2);flex:1}
.tier-list li{position:relative;padding-left:22px}
.tier-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  background:rgba(106,76,255,.14);
}
.tier-list li::after{
  content:"";position:absolute;left:4px;top:13px;width:4px;height:4px;border-radius:50%;background:var(--brand);
}
@media (max-width:991px){
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-card:nth-child(n){margin-top:0}
}
@media (max-width:575px){
  .tier-grid{grid-template-columns:1fr;padding-left:22px;position:relative}
  .tier-grid::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--grad-brand);opacity:.35}
  .tier-card{position:relative}
  .tier-card::before{content:"";position:absolute;left:-22px;top:34px;width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
}

/* ============ 服务对比 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;
  box-shadow:var(--sh-soft);display:flex;flex-direction:column;gap:18px;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.compare-card:hover{box-shadow:var(--sh-mid)}
.compare-card.is-featured{transform:translateY(-12px);border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;box-shadow:var(--sh-brand)}
.compare-top h3{font-size:21px;margin-bottom:6px}
.compare-top p{font-size:14px;color:var(--ink-3)}
.compare-price{display:flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums}
.compare-price b{font-size:38px;font-weight:800;line-height:1}
.compare-price span{font-size:14px;color:var(--ink-3)}
.compare-rows{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:14px;flex:1}
.compare-row{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;padding:8px 0;border-bottom:1px dashed var(--line)}
.compare-row:last-child{border-bottom:0}
.tick,.dash{flex:0 0 auto;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:3px}
.tick{background:rgba(31,211,192,.16);color:#0F9E90}
.dash{background:#F1F0F8;color:var(--ink-3)}
.compare-row.is-off span{color:var(--ink-3)}
@media (max-width:991px){
  .compare-grid{grid-template-columns:1fr}
  .compare-card.is-featured{transform:none}
}

/* ============ 限时入口 ============ */
.promo-band{padding:0 0 88px}
.promo-inner{
  position:relative;border-radius:var(--r-card);background:var(--dark);color:#fff;
  padding:40px;display:grid;grid-template-columns:1.1fr auto auto;gap:28px;align-items:center;
  overflow:hidden;
}
.promo-inner::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;
  background:var(--grad-promo);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.promo-tag{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:800;
  background:var(--grad-promo);color:var(--dark);margin-bottom:14px;
}
.promo-text h2{font-size:26px;margin-bottom:10px;color:#fff}
.promo-text p{color:rgba(255,255,255,.68);font-size:15px;max-width:520px}
.countdown{display:grid;grid-template-columns:repeat(4,minmax(64px,1fr));gap:12px}
.cd-cell{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:12px 8px;text-align:center}
.cd-num{display:block;font-size:28px;font-weight:800;line-height:1.2;color:var(--accent);font-variant-numeric:tabular-nums}
.cd-label{font-size:12px;color:rgba(255,255,255,.65)}
@media (max-width:991px){
  .promo-inner{grid-template-columns:1fr;padding:30px 24px;gap:22px}
  .promo-band{padding-bottom:64px}
}
@media (max-width:520px){
  .cd-num{font-size:22px}
  .countdown{grid-template-columns:repeat(4,1fr);gap:8px}
}

/* ============ 最新信息（CMS 区） ============ */
.latest{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.latest-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px}
.post-feature{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-soft);transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.post-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-brand)}
.post-feature-img{width:100%;aspect-ratio:16/10;object-fit:cover}
.post-feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-feature-body h3{font-size:21px;line-height:1.4}
.post-feature-body h3 a:hover{color:var(--brand)}
.post-feature-body p{font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);margin-top:auto}
.post-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.post-mini{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-soft);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.post-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-brand);border-color:rgba(106,76,255,.28)}
.post-mini h4{font-size:16px;line-height:1.45;font-weight:700}
.post-mini h4 a:hover{color:var(--brand)}
.post-mini p{font-size:13.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-mini .post-meta{font-size:12.5px}
.empty-state{
  grid-column:1/-1;padding:64px 24px;text-align:center;color:var(--ink-3);
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state strong{display:block;color:var(--ink-2);font-size:16px;margin-bottom:6px}
@media (max-width:991px){
  .latest-grid{grid-template-columns:1fr}
  .post-side{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:575px){
  .post-side{grid-template-columns:1fr}
}

/* ============ 信任服务带 ============ */
.trust-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-soft)}
.trust-item{display:flex;gap:14px;padding:26px 22px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:var(--grad-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
}
.trust-item h3{font-size:16px;margin-bottom:6px}
.trust-item p{font-size:13.5px;color:var(--ink-2)}
@media (max-width:991px){
  .trust-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-item{border-bottom:1px solid var(--line)}
  .trust-item:nth-child(2n){border-right:0}
  .trust-item:nth-last-child(-n+2){border-bottom:0}
}
@media (max-width:575px){
  .trust-band{grid-template-columns:1fr}
  .trust-item{border-right:0;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:0}
}

/* ============ 图文区块 ============ */
.showcase{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:44px;align-items:center}
.showcase-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-mid)}
.showcase-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 500ms var(--ease)}
.showcase-media:hover img{transform:scale(1.04)}
.showcase-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(25,18,51,0) 40%,rgba(25,18,51,.42))}
.showcase-media .media-note{
  position:absolute;left:20px;bottom:18px;z-index:2;color:#fff;font-size:13px;font-weight:600;
  background:rgba(25,18,51,.42);padding:6px 14px;border-radius:var(--r-pill);backdrop-filter:blur(6px);
}
.showcase-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.showcase-list li{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-soft)}
.showcase-list b{flex:0 0 auto;width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-variant-numeric:tabular-nums}
.showcase-list h3{font-size:16px;margin-bottom:4px}
.showcase-list p{font-size:13.5px;color:var(--ink-2)}
@media (max-width:991px){
  .showcase{grid-template-columns:1fr;gap:28px}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-accordion .accordion-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-soft);
}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);
  opacity:0;transition:opacity 240ms var(--ease);z-index:2;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}
.faq-accordion .accordion-button{
  background:#fff;color:var(--ink);font-size:17px;font-weight:700;line-height:1.5;
  padding:22px 60px 22px 26px;border:0;border-radius:20px;box-shadow:none;gap:12px;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#fff;box-shadow:inset 4px 0 0 var(--brand)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{
  content:"+";display:flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;background:rgba(106,76,255,.10);color:var(--brand);
  font-size:20px;font-weight:700;line-height:1;background-image:none;transform:none;
  position:absolute;right:24px;top:50%;margin-top:-15px;transition:all 240ms var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";background:var(--grad-brand);color:#fff}
.faq-accordion .accordion-body{padding:0 26px 24px;color:var(--ink-2);font-size:15px;line-height:1.8}

/* ============ 咨询表单 ============ */
.consult{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.consult-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:start}
.consult-points{display:flex;flex-direction:column;gap:14px;margin:26px 0 28px}
.consult-points li{position:relative;padding-left:26px;color:var(--ink-2);font-size:15px}
.consult-points li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;
  background:rgba(31,211,192,.18);
}
.consult-points li::after{content:"";position:absolute;left:5px;top:14px;width:4px;height:4px;border-radius:50%;background:#0F9E90}
.consult-badges{display:flex;flex-wrap:wrap;gap:12px}
.consult-badges span{
  display:inline-flex;align-items:baseline;gap:6px;padding:10px 16px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.consult-badges b{font-size:18px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;
  box-shadow:var(--sh-mid);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.field{display:block;margin-bottom:18px}
.field.full{grid-column:1/-1}
.field-label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.form-control,.form-select{
  width:100%;height:48px;border-radius:14px;border:1px solid var(--line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--ink);box-shadow:none;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(106,76,255,.16);outline:none}
textarea.form-control{height:auto;min-height:120px;padding:14px 16px;line-height:1.7}
.field.is-error .form-control,.field.is-error .form-select{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(255,92,122,.14)}
.field-error{display:none;margin-top:6px;font-size:13px;color:var(--brand-2)}
.field.is-error .field-error{display:block}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);margin:4px 0 20px}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:#6A4CFF;flex:0 0 auto}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3);text-align:center}
.form-success{
  display:none;margin-top:16px;padding:14px 18px;border-radius:14px;
  background:rgba(31,211,192,.12);border:1px solid rgba(31,211,192,.35);color:#0F7F74;font-size:14px;
}
.form-success.is-show{display:block}
@media (max-width:991px){
  .consult-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:575px){
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  border-radius:32px 32px 0 0;padding:64px 0 0;margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand span{font-size:16px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.68)}
.footer-contact b{color:#fff;font-weight:700}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--accent)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{border-radius:24px 24px 0 0;padding-top:48px}
}

/* ============ 响应式收口 ============ */
@media (max-width:1180px){
  .nav-links{gap:0}
  .nav-link{padding:9px 12px;font-size:14px}
}
@media (max-width:991px){
  body{padding-top:96px}
  .site-header{top:12px;padding:0 14px}
  .nav-links{display:none}
  .btn-nav{display:none}
  .nav-toggle{display:flex}
  .nav-shell{padding:8px 10px 8px 14px}
  .section{padding:60px 0}
  .section-head{margin-bottom:32px}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .hero-cta .btn{flex:1 1 auto}
  .brand-name{font-size:15px}
  .promo-text h2{font-size:22px}
}

/* roulang page: article */
:root{
  --brand:#6A4CFF;
  --brand-2:#FF5C7A;
  --accent:#FFC93C;
  --accent-2:#FF8A3D;
  --mint:#1FD3C0;
  --ink:#1B1633;
  --ink-2:#5D5878;
  --ink-3:#908BA8;
  --line:#E9E6F7;
  --bg:#F6F5FC;
  --card:#FFFFFF;
  --dark:#191233;
  --grad-brand:linear-gradient(135deg,#6A4CFF 0%,#FF5C7A 100%);
  --grad-promo:linear-gradient(135deg,#FFC93C 0%,#FF8A3D 100%);
  --grad-soft:linear-gradient(135deg,rgba(106,76,255,.10),rgba(255,92,122,.10));
  --r-card:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:12px;
  --r-pill:999px;
  --sh-soft:0 6px 18px -8px rgba(27,22,51,.10);
  --sh-mid:0 16px 36px -16px rgba(27,22,51,.16);
  --sh-brand:0 20px 44px -20px rgba(106,76,255,.38);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--ink);
  background:var(--bg);
  background-image:radial-gradient(900px 420px at 88% -8%,rgba(255,92,122,.12),transparent 62%),radial-gradient(760px 380px at 4% 4%,rgba(106,76,255,.12),transparent 60%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color 220ms var(--ease),background-color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(106,76,255,.35);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  padding:24px 16px 0;
  transition:padding 260ms var(--ease);
}
.site-header.is-scrolled{padding-top:12px;}
.nav-shell{
  max-width:1160px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  box-shadow:var(--sh-soft);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.95);box-shadow:var(--sh-mid);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:var(--sh-brand);
}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-block;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  position:relative;
}
.nav-link:hover{color:var(--brand);background:rgba(106,76,255,.08);}
.nav-link.is-active{color:var(--brand);background:rgba(106,76,255,.10);}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  padding:12px 22px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-brand);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 24px 48px -18px rgba(106,76,255,.5);}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--line);}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:rgba(106,76,255,.07);transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);}
.btn-light:hover{color:#fff;background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-nav{padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  padding:0;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform 220ms var(--ease),opacity 220ms var(--ease);}
.nav-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:990;
  background:#fff;
  padding:110px 24px 32px;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.drawer-link{
  display:block;
  padding:16px 18px;
  border-radius:var(--r-md);
  font-size:18px;font-weight:700;
  color:var(--ink);
}
.drawer-link.is-active{color:var(--brand);background:rgba(106,76,255,.10);}
.drawer-cta{margin-top:20px;width:100%;padding:16px;}

/* ============ 文章头 ============ */
.article-hero{padding:150px 0 0;}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-bottom:22px;
}
.crumb a,.crumb em{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
  font-style:normal;
}
.crumb a:hover{color:var(--brand);border-color:rgba(106,76,255,.4);background:rgba(106,76,255,.06);}
.crumb span{color:var(--ink-3);font-size:12px;}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  font-size:13px;font-weight:700;color:var(--brand);
  margin-bottom:18px;
}
.article-head{max-width:880px;}
.article-title{
  font-size:40px;
  line-height:1.28;
  margin-bottom:20px;
  word-break:break-word;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;
  font-size:14px;color:var(--ink-3);
}
.meta-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-weight:600;
}
.meta-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;}
.hero-rule{
  height:6px;width:120px;border-radius:var(--r-pill);
  background:var(--grad-brand);
  margin-top:26px;
}

/* ============ 正文布局 ============ */
.article-main{padding:56px 0 var(--pad-sec);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 316px;
  gap:32px;
  align-items:start;
}
.paper{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-soft);
  padding:44px 46px 48px;
}
.article-body{max-width:800px;font-size:17px;line-height:32px;color:#2A2444;}
.article-body>*+*{margin-top:1.4em;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  font-size:26px;line-height:1.4;
  margin:44px 0 18px;
  padding-left:16px;
  position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.article-body h3{font-size:20px;line-height:1.5;margin:32px 0 12px;color:var(--brand);}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body a{font-weight:600;border-bottom:1px solid rgba(106,76,255,.35);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:4px;}
.article-body li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:13px;width:8px;height:8px;border-radius:3px;
  background:var(--grad-brand);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;padding-left:32px;}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:4px;
  width:22px;height:22px;border-radius:8px;
  background:rgba(106,76,255,.10);
  color:var(--brand);font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:28px 0;
  padding:20px 24px;
  background:rgba(106,76,255,.06);
  border-left:4px solid var(--brand);
  border-radius:var(--r-md);
  color:var(--ink-2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:20px;box-shadow:var(--sh-mid);margin:26px 0 10px;width:100%;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:14px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;font-size:15px;margin:26px 0;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(106,76,255,.07);color:var(--ink);font-weight:700;}
.article-body tbody tr:nth-child(even) td{background:#FBFAFF;}
.article-body strong{color:var(--ink);}
.article-body code{background:rgba(106,76,255,.09);color:var(--brand);padding:2px 7px;border-radius:8px;font-size:15px;}
.empty-state{
  text-align:center;
  padding:48px 20px;
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  background:var(--grad-soft);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;color:var(--brand);font-weight:800;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:112px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-soft);
  padding:24px;
}
.side-title{font-size:17px;margin-bottom:6px;}
.side-sub{font-size:13px;color:var(--ink-3);margin-bottom:16px;}
.side-links{display:flex;flex-direction:column;gap:10px;}
.side-link{
  display:block;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:#FBFAFF;
  border:1px solid var(--line);
  color:var(--ink);
  font-weight:700;font-size:15px;
}
.side-link small{display:block;font-weight:500;font-size:13px;color:var(--ink-3);margin-top:4px;line-height:20px;}
.side-link:hover{color:var(--brand);border-color:rgba(106,76,255,.35);background:rgba(106,76,255,.06);transform:translateY(-2px);}
.side-cta{width:100%;margin-top:16px;}
.side-list{display:flex;flex-direction:column;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:22px;}
.side-list li span.tick{
  flex:0 0 20px;height:20px;border-radius:7px;
  background:rgba(31,211,192,.14);color:#0FA294;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
  margin-top:1px;
}
.side-card.dark{
  background:var(--dark);
  border-color:rgba(255,255,255,.08);
  color:#fff;
}
.side-card.dark .side-title{color:#fff;}
.side-card.dark .side-sub{color:rgba(255,255,255,.6);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-badge);
  font-size:13px;font-weight:700;line-height:18px;
  font-variant-numeric:tabular-nums;
  background:var(--accent);color:var(--ink);
}
.badge-line{background:transparent;border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.86);}

/* ============ 继续浏览 ============ */
.more{padding:0 0 var(--pad-sec);}
.sec-head{max-width:680px;margin-bottom:32px;}
.sec-kicker{
  display:inline-block;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(106,76,255,.10);color:var(--brand);
  font-size:13px;font-weight:700;margin-bottom:14px;
}
.sec-title{font-size:28px;line-height:1.4;margin-bottom:12px;}
.sec-desc{color:var(--ink-2);}
.more-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.more-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-soft);
  overflow:hidden;
}
.more-card:hover{transform:translateY(-4px);box-shadow:var(--sh-brand);}
.more-thumb{position:relative;height:180px;overflow:hidden;}
.more-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.more-card:hover .more-thumb img{transform:scale(1.04);}
.more-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(25,18,51,.05),rgba(25,18,51,.42));}
.more-body{padding:22px 24px 26px;}
.more-body h3{font-size:19px;margin-bottom:10px;}
.more-body p{font-size:14px;color:var(--ink-2);line-height:24px;margin-bottom:16px;}
.more-tag{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--grad-promo);color:#3B2500;
  font-size:12px;font-weight:800;margin-bottom:12px;
}
.text-link{font-weight:700;font-size:14px;}

/* ============ 咨询表单 ============ */
.consult{padding:0 0 var(--pad-sec);}
.consult-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:32px;
  box-shadow:var(--sh-mid);
  padding:44px;
}
.consult-info h2{font-size:28px;line-height:1.4;margin-bottom:16px;}
.consult-info p{color:var(--ink-2);margin-bottom:20px;}
.consult-points{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.consult-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:24px;}
.consult-points li b{color:var(--ink);font-weight:700;}
.consult-points .tick{
  flex:0 0 22px;height:22px;border-radius:8px;margin-top:2px;
  background:var(--grad-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--ink-2);}
.form-control,.form-select{
  width:100%;height:48px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#FBFAFF;
  padding:0 16px;
  font-size:15px;color:var(--ink);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background-color 220ms var(--ease);
}
textarea.form-control{height:auto;min-height:110px;padding:14px 16px;line-height:24px;resize:vertical;}
.form-control::placeholder{color:var(--ink-3);}
.form-control:focus,.form-select:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(106,76,255,.18);
}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:22px;margin-bottom:18px;}
.form-check input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);}
.form-submit{width:100%;padding:15px;font-size:16px;}
.field-error{display:none;color:#E23A5E;font-size:13px;margin-top:6px;}
.form-row.has-error .form-control,.form-row.has-error .form-select{border-color:var(--brand-2);background:#FFF7F9;}
.form-row.has-error .field-error{display:block;}
.form-success{
  display:none;
  margin-top:16px;padding:14px 18px;
  border-radius:var(--r-md);
  background:rgba(31,211,192,.12);
  border:1px solid rgba(31,211,192,.4);
  color:#0C7F74;font-size:14px;font-weight:600;
}
.form-success.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.78);
  border-radius:32px 32px 0 0;
  margin-top:20px;
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:24px;color:rgba(255,255,255,.66);max-width:340px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:800;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact b{color:#fff;font-weight:700;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:24px;}
  .paper{padding:36px 34px 40px;}
  .article-title{font-size:34px;}
}
@media (max-width:991px){
  :root{--pad-sec:56px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .article-hero{padding-top:126px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .side{position:static;}
  .more-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .consult-grid{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-title{font-size:30px;}
  .sec-title{font-size:24px;}
}
@media (max-width:767px){
  .brand-name{font-size:15px;}
  .btn-nav{display:none;}
  .article-title{font-size:26px;}
  .paper{padding:26px 20px 30px;border-radius:20px;}
  .article-body{font-size:16px;line-height:30px;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:18px;}
  .more-grid{grid-template-columns:1fr;}
  .consult-grid{padding:24px 20px;border-radius:24px;}
  .consult-info h2{font-size:22px;}
  .sec-title{font-size:22px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .site-header{padding:14px 12px 0;}
  .nav-shell{padding:8px 10px 8px 12px;gap:10px;}
  .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:16px;}
  .article-meta{gap:8px;}
  .crumb a,.crumb em{padding:5px 11px;font-size:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --brand:#6A4CFF;
  --brand-2:#FF5C7A;
  --accent:#FFC93C;
  --accent-2:#FF8A3D;
  --mint:#1FD3C0;
  --ink:#1B1633;
  --ink-2:#5D5878;
  --ink-3:#908BA8;
  --line:#E9E6F7;
  --bg:#F6F5FC;
  --card:#FFFFFF;
  --dark:#191233;
  --grad-brand:linear-gradient(135deg,#6A4CFF 0%,#FF5C7A 100%);
  --grad-promo:linear-gradient(135deg,#FFC93C 0%,#FF8A3D 100%);
  --grad-soft:linear-gradient(135deg,rgba(106,76,255,.10),rgba(255,92,122,.10));
  --r-card:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:12px;
  --r-pill:999px;
  --sh-soft:0 6px 18px -8px rgba(27,22,51,.10);
  --sh-mid:0 16px 36px -16px rgba(27,22,51,.16);
  --sh-brand:0 20px 44px -20px rgba(106,76,255,.38);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:104px;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-2);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.32;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
h1{font-size:40px;}
h2{font-size:28px;}
h3{font-size:20px;}
p{margin:0 0 16px;color:var(--ink-2);}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:3px solid rgba(106,76,255,.35);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.bg-white{background:#fff;}
.bg-soft{background:var(--grad-soft);}
.bg-dark{background:var(--dark);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);
  background:#F1EEFF;
  border:1px solid #E2DBFF;
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow i{font-size:12px;}
.lead{font-size:17px;color:var(--ink-2);line-height:1.85;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:24px;left:0;right:0;z-index:1000;
  padding:0 24px;
  transition:top .22s var(--ease);
}
.nav-shell{
  max-width:1160px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:12px 14px 12px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-soft);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.95);
  box-shadow:var(--sh-mid);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-brand);
  flex-shrink:0;
}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:var(--brand);background:#F4F1FF;}
.nav-link.is-active{color:var(--brand);background:linear-gradient(135deg,rgba(106,76,255,.14),rgba(255,92,122,.14));}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:3px;border-radius:999px;
  background:var(--grad-brand);
}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;
  padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:all .22s var(--ease);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  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),filter .22s var(--ease);
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-brand);}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 24px 48px -20px rgba(106,76,255,.55);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);background:#F6F3FF;transform:translateY(-2px);}
.btn-ghost-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost-dark:hover{color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-nav{padding:11px 22px;font-size:14px;}
.btn-block{width:100%;}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- Badges ---------- */
.badge-solid{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-badge);
  background:var(--accent);color:#3A2A00;
  font-size:13px;font-weight:700;
}
.badge-outline{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-badge);
  background:#fff;color:var(--brand);border:1px solid #DCD4FF;
  font-size:13px;font-weight:700;
}
.badge-mint{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-badge);
  background:rgba(31,211,192,.14);color:#0E8A7E;
  font-size:13px;font-weight:700;
}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 80px;
  background:
    linear-gradient(135deg,rgba(106,76,255,.10),rgba(255,92,122,.10)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:var(--grad-brand);opacity:.12;filter:blur(4px);pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.hero h1{font-size:40px;line-height:1.25;margin-bottom:18px;}
.hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{
  display:flex;flex-direction:column;gap:2px;
  background:var(--accent);
  border-radius:var(--r-md);
  padding:10px 18px;
  min-width:132px;
  box-shadow:0 12px 28px -18px rgba(255,138,61,.75);
}
.stat-badge b{font-size:20px;color:#3A2A00;font-weight:800;}
.stat-badge span{font-size:13px;color:#5C4300;font-weight:600;}
.hero-visual{position:relative;}
.hero-shot{
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-mid);
  border:1px solid rgba(255,255,255,.6);
  background:#fff;
}
.hero-shot img{width:100%;height:420px;object-fit:cover;}
.float-card{
  position:absolute;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-mid);
  padding:12px 16px;
  display:flex;align-items:center;gap:10px;
  animation:floatIn .6s var(--ease) both;
}
.float-card strong{display:block;font-size:15px;color:var(--ink);}
.float-card small{display:block;font-size:12px;color:var(--ink-3);}
.float-card .dot{
  width:34px;height:34px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(31,211,192,.16);color:#0E8A7E;font-size:15px;
}
.float-1{left:-18px;bottom:56px;}
.float-2{right:-14px;top:42px;}
.float-2 .dot{background:rgba(255,201,60,.24);color:#8A6100;}
@keyframes floatIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;}
.crumb a,.crumb span{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);font-weight:600;
}
.crumb span.current{background:var(--grad-brand);color:#fff;border-color:transparent;}

/* ---------- Cards & grids ---------- */
.grid{display:grid;gap:24px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-soft);
  padding:28px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-brand);}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{margin-bottom:0;font-size:15px;line-height:1.8;}
.card-icon{
  width:48px;height:48px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;color:#fff;background:var(--grad-brand);
  margin-bottom:18px;
}
.card-icon.yellow{background:var(--grad-promo);color:#3A2A00;}
.card-icon.mint{background:linear-gradient(135deg,#1FD3C0,#12A99A);}
.card-icon.violet{background:linear-gradient(135deg,#8C6BFF,#6A4CFF);}

/* ---------- Scenario split ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-mid);border:1px solid var(--line);}
.split-media img{width:100%;height:400px;object-fit:cover;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;margin-bottom:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-mid);}
.check-list i{color:var(--brand);font-size:16px;margin-top:5px;}
.check-list strong{display:block;font-size:16px;color:var(--ink);margin-bottom:2px;}
.check-list span{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 24px 26px;box-shadow:var(--sh-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-brand);}
.step-num{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;font-weight:800;
  margin-bottom:16px;
  box-shadow:var(--sh-brand);
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;margin-bottom:0;line-height:1.78;}

/* ---------- Dark panel ---------- */
.dark-panel{
  position:relative;
  background:var(--dark);
  border-radius:32px;
  padding:52px 44px;
  overflow:hidden;
  color:#fff;
  box-shadow:0 30px 60px -30px rgba(25,18,51,.6);
}
.dark-panel::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  opacity:.16;
}
.dark-panel::after{
  content:"";position:absolute;left:-60px;bottom:-90px;width:340px;height:340px;border-radius:50%;
  background:var(--grad-promo);opacity:.18;filter:blur(2px);
}
.dark-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;}
.dark-panel h2{color:#fff;font-size:26px;}
.dark-panel p{color:rgba(255,255,255,.72);}
.dark-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px;}
.metric{
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);
  padding:18px 16px;
  background:rgba(255,255,255,.05);
}
.metric b{display:block;font-size:24px;color:var(--accent);font-weight:800;margin-bottom:4px;}
.metric span{font-size:13px;color:rgba(255,255,255,.68);}
.quick-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);
  padding:26px;
}
.quick-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.quick-card p{font-size:14px;margin-bottom:18px;color:rgba(255,255,255,.7);}
.quick-list li{
  display:flex;align-items:center;gap:10px;
  padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.16);
  font-size:14px;color:rgba(255,255,255,.82);
}
.quick-list li:last-child{border-bottom:0;padding-bottom:0;}
.quick-list i{color:var(--accent);font-size:12px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-soft);
}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  width:100%;background:#fff;border:0;box-shadow:none;
  font-size:16px;font-weight:700;color:var(--ink);
  padding:20px 56px 20px 24px;
  border-radius:20px;
  text-align:left;
  position:relative;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);
  background:linear-gradient(135deg,rgba(106,76,255,.06),rgba(255,92,122,.06));
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(106,76,255,.25);outline-offset:-3px;}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none !important;
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(106,76,255,.10);
  color:var(--brand);font-size:18px;font-weight:700;line-height:1;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  margin:0;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--grad-brand);color:#fff;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-acc .accordion-body{
  padding:2px 24px 22px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ---------- Form ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-mid);padding:34px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.field .hint{font-size:12px;color:var(--ink-3);margin-top:6px;}
.form-control,.form-select{
  width:100%;height:48px;
  border:1px solid var(--line);
  border-radius:14px;
  padding:0 16px;
  background:#FBFAFF;
  color:var(--ink);
  font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
textarea.form-control{height:auto;min-height:118px;padding:14px 16px;line-height:1.7;resize:vertical;}
.form-control::placeholder,textarea.form-control::placeholder{color:var(--ink-3);}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(106,76,255,.16);
}
.form-control.is-invalid,.form-select.is-invalid{border-color:#FF5C7A;background:#FFF7F9;}
.err-text{display:none;font-size:13px;color:#E14A66;margin-top:6px;}
.err-text.show{display:block;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);line-height:1.7;}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:#6A4CFF;flex-shrink:0;}
.form-success{
  display:none;margin-top:16px;padding:14px 18px;border-radius:14px;
  background:rgba(31,211,192,.12);border:1px solid rgba(31,211,192,.35);
  color:#0E8A7E;font-size:14px;font-weight:600;
}
.form-success.show{display:block;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:40px;
  background:var(--dark);
  border-radius:32px 32px 0 0;
  padding:64px 0 26px;
  color:rgba(255,255,255,.78);
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:340px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.68);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;
  background:#fff;
  padding:22px 20px 28px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .22s var(--ease),visibility .22s var(--ease),transform .22s var(--ease);
  overflow-y:auto;
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:translateY(0);}
body.drawer-open{overflow:hidden;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:18px;cursor:pointer;
}
.drawer-link{
  display:block;
  padding:17px 18px;margin-bottom:10px;
  border-radius:var(--r-md);
  font-size:17px;font-weight:700;color:var(--ink);
  background:#FBFAFF;border:1px solid var(--line);
}
.drawer-link.is-active{background:linear-gradient(135deg,rgba(106,76,255,.14),rgba(255,92,122,.14));color:var(--brand);border-color:#DCD4FF;}
.drawer-cta{margin-top:auto;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:34px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  body{padding-top:92px;}
  .site-header{top:16px;padding:0 16px;}
  .nav-links,.btn-nav{display:none;}
  .nav-toggle{display:flex;}
  h1{font-size:28px;}
  .hero h1{font-size:28px;line-height:1.34;}
  h2{font-size:22px;}
  .section{padding:56px 0;}
  .hero{padding:40px 0 56px;}
  .hero-grid,.split,.dark-inner,.consult-grid{grid-template-columns:1fr;gap:30px;}
  .hero-shot img{height:300px;}
  .split-media img{height:280px;}
  .float-1{left:6px;bottom:-14px;}
  .float-2{right:6px;top:-14px;}
  .dark-panel{padding:36px 24px;border-radius:24px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .brand-name{font-size:14px;}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:11px;}
  .grid-4,.steps,.dark-metrics{grid-template-columns:1fr;}
  .stat-badge{min-width:0;flex:1 1 calc(50% - 6px);}
  .hero-stats{gap:10px;}
  .card{padding:22px;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --brand:#6A4CFF;
  --brand-2:#FF5C7A;
  --accent:#FFC93C;
  --accent-2:#FF8A3D;
  --mint:#1FD3C0;
  --ink:#1B1633;
  --ink-2:#5D5878;
  --ink-3:#908BA8;
  --line:#E9E6F7;
  --bg:#F6F5FC;
  --card:#FFFFFF;
  --dark:#191233;
  --grad-brand:linear-gradient(135deg,#6A4CFF 0%,#FF5C7A 100%);
  --grad-promo:linear-gradient(135deg,#FFC93C 0%,#FF8A3D 100%);
  --grad-soft:linear-gradient(135deg,rgba(106,76,255,.10),rgba(255,92,122,.10));
  --r-card:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:12px;
  --r-pill:999px;
  --sh-soft:0 6px 18px -8px rgba(27,22,51,.10);
  --sh-mid:0 16px 36px -16px rgba(27,22,51,.16);
  --sh-brand:0 20px 44px -20px rgba(106,76,255,.38);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{font-family:inherit;color:var(--ink);margin:0;font-weight:800;letter-spacing:-.01em;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(106,76,255,.35);outline-offset:2px;border-radius:8px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  padding:24px 16px 0;
  transition:padding var(--t);
}
.nav-shell{
  max-width:1160px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:12px 14px 12px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-soft);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{padding-top:12px;}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.95);
  box-shadow:var(--sh-mid);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:13px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:17px;
  display:grid;place-items:center;
  box-shadow:var(--sh-brand);
}
.brand-name{font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap;}
.brand:hover .brand-name{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background var(--t),color var(--t);
  white-space:nowrap;
}
.nav-link:hover{background:var(--grad-soft);color:var(--brand);}
.nav-link.is-active{background:var(--grad-soft);color:var(--brand);}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;
  padding:12px 22px;line-height:1.2;
  cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-brand);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 24px 48px -20px rgba(106,76,255,.5);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--line);box-shadow:var(--sh-soft);}
.btn-outline:hover{border-color:var(--brand);background:#F4F1FF;color:var(--brand);transform:translateY(-2px);}
.btn-nav{padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:#F4F1FF;border:1px solid var(--line);
  padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1050;background:#fff;
  transform:translateY(-102%);transition:transform 280ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:22px 20px 28px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
  background:#F4F1FF;color:var(--brand);font-size:18px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:auto;}
.drawer-nav a{
  padding:16px 18px;border-radius:var(--r-md);
  font-size:17px;font-weight:700;color:var(--ink);
}
.drawer-nav a:hover{background:var(--grad-soft);color:var(--brand);}
.drawer-nav a.is-active{background:var(--grad-soft);color:var(--brand);}
.drawer-cta{margin-top:24px;}
.drawer-cta .btn{width:100%;}

/* ============ 首屏视觉带 ============ */
.hero-band{
  position:relative;overflow:hidden;
  background:var(--grad-brand);
  color:#fff;
  padding:152px 0 92px;
  border-radius:0 0 40px 40px;
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.26;mix-blend-mode:overlay;
}
.hero-glow{
  position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,201,60,.35),transparent 65%);
  right:-140px;top:-160px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:22px;}
.crumb a,.crumb span{
  display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.crumb a:hover{background:rgba(255,255,255,.28);color:#fff;}
.hero-band h1{color:#fff;margin-bottom:18px;}
.hero-band h1 em{font-style:normal;background:var(--grad-promo);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:720px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.hbadge{
  background:rgba(255,255,255,.94);
  border-radius:var(--r-md);
  padding:12px 18px;min-width:150px;
  box-shadow:0 14px 30px -18px rgba(25,18,51,.6);
}
.hbadge b{display:block;font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3;}
.hbadge span{font-size:13px;color:var(--ink-2);}
.hbadge.is-accent{background:var(--accent);}
.hbadge.is-accent b{color:var(--dark);}
.hbadge.is-accent span{color:rgba(25,18,51,.72);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:#fff;border-radius:40px;}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--grad-soft);color:var(--brand);
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-2);}
.section-head p{color:var(--ink-2);margin-top:14px;font-size:16px;}
.grad-line{height:4px;width:64px;border-radius:4px;background:var(--grad-brand);margin-bottom:20px;}

/* 提示条 */
.notice-band{
  margin-top:-34px;position:relative;z-index:3;
}
.notice-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 26px;box-shadow:var(--sh-mid);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.notice-inner i{color:var(--brand-2);font-size:20px;}
.notice-inner p{color:var(--ink-2);font-size:15px;flex:1 1 320px;}
.notice-inner b{color:var(--ink);}

/* ============ 时间轴 ============ */
.timeline{position:relative;display:flex;flex-direction:column;gap:18px;}
.timeline::before{
  content:"";position:absolute;left:31px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-2) 60%,rgba(255,92,122,0) 100%);
  border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;}
.tl-num{
  width:64px;height:64px;border-radius:20px;
  background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;
  font-weight:800;font-size:19px;color:var(--brand);
  box-shadow:var(--sh-soft);
  position:relative;z-index:1;
  font-variant-numeric:tabular-nums;
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh-soft);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-brand);border-color:rgba(106,76,255,.28);}
.tl-card h3{margin-bottom:10px;}
.tl-card p{color:var(--ink-2);font-size:15.5px;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-badge);
  font-size:13px;font-weight:600;
  background:#F4F1FF;color:var(--brand);
}
.tag.is-hot{background:var(--accent);color:var(--dark);}
.tag.is-mint{background:rgba(31,211,192,.14);color:#0E9E90;}

/* ============ 礼包类型卡 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.gift-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-soft);
  transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.gift-card:hover{transform:translateY(-4px);box-shadow:var(--sh-brand);}
.gift-icon{
  width:52px;height:52px;border-radius:18px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand);font-size:20px;margin-bottom:18px;
}
.gift-card h3{font-size:18px;margin-bottom:10px;}
.gift-card p{color:var(--ink-2);font-size:14.5px;flex:1 1 auto;}
.gift-meta{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;
}
.gift-meta b{color:var(--brand);font-variant-numeric:tabular-nums;}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 22px 24px;
  box-shadow:var(--sh-soft);transition:transform var(--t),box-shadow var(--t);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-brand);}
.step-card::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:22px;
  background:var(--grad-promo);color:var(--dark);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  padding:5px 12px;border-radius:var(--r-badge);
  box-shadow:0 10px 22px -14px rgba(255,138,61,.9);
}
.step-card h3{font-size:17px;margin:12px 0 8px;}
.step-card p{color:var(--ink-2);font-size:14.5px;}

/* ============ 快速入口 ============ */
.quick-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch;}
.quick-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.quick-item{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-soft);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.quick-item:hover{transform:translateY(-3px);box-shadow:var(--sh-brand);border-color:rgba(106,76,255,.3);}
.quick-item i{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:17px;flex:0 0 auto;
}
.quick-item strong{display:block;color:var(--ink);font-size:15.5px;}
.quick-item span{font-size:13px;color:var(--ink-3);}
.quick-aside{
  background:var(--dark);color:#fff;border-radius:var(--r-card);
  padding:32px 28px;position:relative;overflow:hidden;
}
.quick-aside::after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,92,122,.4),transparent 68%);
  right:-90px;bottom:-110px;
}
.quick-aside h3{color:#fff;font-size:20px;margin-bottom:12px;position:relative;z-index:1;}
.quick-aside p{color:rgba(255,255,255,.78);font-size:14.5px;position:relative;z-index:1;}
.quick-aside .btn{margin-top:22px;position:relative;z-index:1;}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-soft);
}
.faq-acc .accordion-button{
  background:#fff;color:var(--ink);font-weight:700;font-size:16.5px;
  padding:20px 24px;box-shadow:none;border-radius:20px !important;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:#FBFAFF;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(106,76,255,.25);outline-offset:-3px;}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:600;
  width:24px;height:24px;display:grid;place-items:center;
  color:var(--ink-3);line-height:1;transform:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";color:var(--brand-2);}
.faq-acc .accordion-body{color:var(--ink-2);font-size:15.5px;padding:0 24px 22px;line-height:1.85;}
.faq-acc .accordion-collapse{border-left:0;}

/* ============ CTA + 表单 ============ */
.cta-section{padding:88px 0 96px;}
.cta-box{
  background:var(--dark);border-radius:36px;color:#fff;
  padding:56px 48px;position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(106,76,255,.35),rgba(255,92,122,.22));
  opacity:.85;
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.cta-left h2{color:#fff;margin-bottom:18px;}
.cta-left p{color:rgba(255,255,255,.8);font-size:15.5px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.88);font-size:15px;}
.cta-points i{color:var(--accent);margin-top:5px;}
.cta-stats{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.cta-stats .hbadge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);}
.cta-stats .hbadge b{color:#fff;}
.cta-stats .hbadge span{color:rgba(255,255,255,.7);}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:32px 30px;color:var(--ink);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.55);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card > p{color:var(--ink-3);font-size:14px;margin-bottom:22px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:7px;}
.form-control,.form-select{
  height:48px;border-radius:14px;border:1px solid var(--line);
  padding:0 16px;font-size:15px;color:var(--ink);background:#FCFBFF;
  box-shadow:none;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
textarea.form-control{height:auto;padding:12px 16px;line-height:1.7;resize:vertical;min-height:104px;}
.form-control::placeholder{color:var(--ink-3);}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(106,76,255,.16);
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--brand-2);background:#FFF7F9;}
.field-error{display:none;color:var(--brand-2);font-size:13px;margin-top:6px;}
.field-error.show{display:block;}
.check-line{display:flex;gap:10px;align-items:flex-start;margin:18px 0 20px;}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto;}
.check-line label{font-size:13.5px;color:var(--ink-2);line-height:1.6;}
.check-line input.is-invalid{outline:2px solid var(--brand-2);border-radius:4px;}
.form-card .btn{width:100%;padding:15px;font-size:16px;}
.form-note{margin-top:14px;font-size:13.5px;display:none;}
.form-note.is-ok{display:block;color:#0E9E90;}
.form-note.is-err{display:block;color:var(--brand-2);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.78);
  border-radius:32px 32px 0 0;
  padding:64px 0 28px;margin-top:20px;
}
.site-footer h3,.site-footer h4{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14.5px;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .quick-wrap{grid-template-columns:1fr;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn-nav{display:none;}
  .brand-name{font-size:16px;}
  .hero-band{padding:126px 0 72px;border-radius:0 0 30px 30px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  .section{padding:64px 0;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-box{padding:40px 26px;border-radius:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .quick-list{grid-template-columns:1fr;}
}
@media (min-width:992px){
  .mobile-drawer{display:none;}
}
@media (max-width:767px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:48px 1fr;gap:14px;}
  .tl-num{width:48px;height:48px;border-radius:16px;font-size:16px;}
  .timeline::before{left:23px;}
  .tl-card{padding:22px 20px;}
  .hero-actions .btn{width:100%;}
  .hero-badges .hbadge{flex:1 1 calc(50% - 7px);min-width:0;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .site-header{padding:14px 12px 0;}
  .nav-shell{padding:10px 10px 10px 14px;gap:10px;}
  .brand-name{font-size:15px;}
  h1{font-size:26px;}
  .section{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .hero-band{padding:118px 0 60px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}