/* roulang page: index */
:root{
  --c-deep:#4A2350;
  --c-main:#7A3F86;
  --c-light:#B98BC4;
  --c-accent:#E4657A;
  --c-accent-soft:#F3B7C0;
  --c-copper:#D9A45B;
  --bg:#FDFAF7;
  --bg-alt:#F5EEF2;
  --line:#E7DBE2;
  --text:#2A1E2E;
  --text-2:#5C4A5F;
  --dark:#2A1E2E;
  --dark-2:#3A2740;
  --grad:linear-gradient(135deg,#7A3F86,#E4657A);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow-1:0 2px 8px rgba(42,30,46,.06);
  --shadow-2:0 12px 30px rgba(74,35,80,.12);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:240ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;overflow-x:hidden;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.9;color:var(--text);background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.35}
p{line-height:1.95}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,36px);color:var(--c-deep)}
.section-head .lead{margin-top:16px;font-size:16px;color:var(--text-2)}
.sec-line{display:block;width:40px;height:4px;border-radius:4px;background:var(--grad);margin-bottom:20px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.head-row .section-head{margin-bottom:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-weight:600;font-size:15px;
  letter-spacing:.02em;white-space:nowrap;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(122,63,134,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(122,63,134,.32);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--c-deep);border-color:var(--c-light)}
.btn-ghost:hover{background:var(--bg-alt);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-sm{height:42px;padding:0 22px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--c-main);font-weight:600;font-size:15px}
.link-more i{transition:transform var(--ease);font-size:13px}
.link-more:hover{color:var(--c-accent)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 徽章 ============ */
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:rgba(122,63,134,.08);color:var(--c-deep);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-soft{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;background:rgba(228,101,122,.1);color:#B8374C;font-size:12px;font-weight:600}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(253,250,247,.94);
  backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),height var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 22px rgba(74,35,80,.1)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:20px;transition:height var(--ease);
}
.site-header.scrolled .header-inner{height:64px}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--text-2);
  font-weight:500;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--c-main)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-deep);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.brand{display:inline-flex;align-items:center;gap:10px;padding:4px 8px}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);position:relative;flex:0 0 34px;
  box-shadow:0 6px 16px rgba(122,63,134,.3);
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;border-radius:50%;border:1.6px solid rgba(255,255,255,.85);
}
.brand-mark::before{width:14px;height:14px;top:9px;left:6px}
.brand-mark::after{width:9px;height:9px;bottom:8px;right:7px;border-color:rgba(255,255,255,.6)}
.brand-name{
  font-family:var(--font-serif);font-size:21px;font-weight:700;color:var(--c-deep);
  letter-spacing:.02em;white-space:nowrap;
}
.header-cta{margin-left:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;color:var(--c-deep);font-size:17px;
}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:300;
}
.mobile-drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(42,30,46,.4)}
.drawer-panel{
  position:absolute;top:0;left:0;right:0;background:var(--bg);padding:22px 20px 26px;
  box-shadow:0 20px 40px rgba(42,30,46,.2);border-bottom-left-radius:20px;border-bottom-right-radius:20px;
  max-height:92vh;overflow-y:auto;
}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--c-deep);background:#fff}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;margin-bottom:20px}
.drawer-links a{
  display:block;padding:12px 14px;border-radius:12px;background:#fff;border:1px solid var(--line);
  font-size:15px;color:var(--text-2);font-weight:500;
}
.drawer-links a.active{color:var(--c-deep);font-weight:700;border-color:var(--c-light);background:var(--bg-alt)}

/* ============ Hero ============ */
.hero{padding:150px 0 80px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(185,139,196,.35);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;top:40px;right:120px;width:300px;height:300px;border-radius:50%;
  border:1px solid rgba(228,101,122,.18);pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:60fr 40fr;gap:56px;align-items:center;
  min-height:560px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(122,63,134,.08);color:var(--c-deep);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hero h1{
  margin:22px 0 20px;font-size:clamp(30px,4.4vw,50px);line-height:1.28;color:var(--c-deep);
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;gap:14px;margin-top:44px;flex-wrap:wrap}
.data-chip{
  min-width:132px;padding:14px 18px;border-radius:var(--r-sm);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.data-chip b{
  display:block;font-family:var(--font-serif);font-size:26px;line-height:1.2;color:var(--c-deep);
}
.data-chip span{font-size:12.5px;color:var(--text-2);letter-spacing:.02em}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/5;max-height:560px;object-fit:cover;border-radius:var(--r-lg);
  background:var(--bg-alt);box-shadow:var(--shadow-2);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(122,63,134,.22),rgba(228,101,122,.16));pointer-events:none;
}
.hero-float{
  position:absolute;left:-18px;bottom:36px;z-index:3;background:#fff;border-radius:var(--r-sm);
  padding:14px 20px;border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.hero-float b{display:block;font-family:var(--font-serif);font-size:24px;color:var(--c-deep);line-height:1.2}
.hero-float span{font-size:12.5px;color:var(--text-2)}

/* ============ 服务 ============ */
.svc-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:stretch}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.svc-main{padding:28px;display:flex;flex-direction:column}
.svc-main figure{margin:0 0 24px;border-radius:var(--r-md);overflow:hidden;position:relative}
.svc-main figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.svc-main figcaption{
  position:absolute;left:14px;bottom:14px;background:rgba(253,250,247,.92);color:var(--c-deep);
  font-size:12.5px;padding:6px 12px;border-radius:999px;font-weight:600;
}
.svc-list{display:grid;gap:6px}
.svc-row{display:flex;gap:16px;padding:16px;border-radius:var(--r-md);transition:background-color var(--ease)}
.svc-row:hover{background:var(--bg-alt)}
.svc-ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  border:1.5px solid var(--c-light);color:var(--c-main);font-size:16px;background:#fff;
}
.svc-row h3{font-size:18px;color:var(--c-deep);margin-bottom:6px}
.svc-row p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.svc-right{display:grid;gap:28px}
.svc-side{padding:26px;display:flex;flex-direction:column;gap:14px}
.svc-side h3{font-size:19px;color:var(--c-deep)}
.svc-side p{font-size:14.5px;color:var(--text-2)}
.svc-side .points{display:grid;gap:8px;margin-top:2px}
.svc-side .points li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.svc-side .points li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--c-light)}

/* ============ 深色数据 ============ */
.dark-band{background:var(--dark);color:#F6EEF2;padding:78px 0;position:relative;overflow:hidden}
.dark-band::before{
  content:"";position:absolute;left:-80px;top:-80px;width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(185,139,196,.18);
}
.dark-inner{position:relative;z-index:2;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.dark-inner h2{font-size:clamp(24px,3vw,34px);color:#FDFAF7}
.dark-inner p{margin-top:18px;color:rgba(246,238,242,.76);font-size:15.5px;max-width:420px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-item{
  padding:22px 16px;border-radius:var(--r-md);text-align:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(217,164,91,.35);
}
.stat-item b{
  display:block;font-family:var(--font-serif);font-size:clamp(32px,3.4vw,42px);line-height:1.15;
  background:linear-gradient(135deg,#F3B7C0,#D9A45B);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item span{display:block;margin-top:8px;font-size:13px;color:rgba(246,238,242,.7);letter-spacing:.04em}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:28px}
.case-hero{overflow:hidden;display:grid;grid-template-columns:1fr;padding:0}
.case-hero .case-fig{overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0}
.case-hero .case-fig img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.case-hero .case-body{padding:26px}
.case-hero h3{font-size:21px;color:var(--c-deep);margin:14px 0 10px}
.case-hero p{font-size:15px;color:var(--text-2)}
.case-side{display:grid;gap:28px}
.case-mini{padding:0;overflow:hidden;display:grid;grid-template-columns:118px 1fr}
.case-mini .case-fig{overflow:hidden}
.case-mini .case-fig img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-mini .case-body{padding:20px}
.case-mini h3{font-size:16.5px;color:var(--c-deep);margin:10px 0 8px;line-height:1.5}
.case-mini p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.case-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-2)}
.case-hero:hover,.case-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.case-hero:hover .case-fig img,.case-mini:hover .case-fig img{transform:scale(1.04)}

/* ============ 方案 ============ */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,#7A3F86,#E4657A);opacity:.45;border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 4px rgba(122,63,134,.12);
}
.tl-item .num{font-family:var(--font-serif);font-size:13px;color:var(--c-accent);font-weight:700;letter-spacing:.08em}
.tl-item h3{font-size:18px;color:var(--c-deep);margin:6px 0 6px}
.tl-item p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.plan-cards{display:grid;gap:24px}
.plan-card{padding:28px;display:flex;flex-direction:column;gap:16px}
.plan-card .tag{font-size:12.5px;color:var(--c-main);font-weight:700;letter-spacing:.06em}
.plan-card h3{font-size:21px;color:var(--c-deep)}
.plan-card p{font-size:14.5px;color:var(--text-2)}
.plan-card ul{display:grid;gap:9px}
.plan-card ul li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2)}
.plan-card ul li::before{
  content:"\2713";position:absolute;left:0;top:0;color:var(--c-accent);font-size:13px;font-weight:700;
}
.plan-card .plan-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ============ 资讯 ============ */
.news-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:start}
.news-lead{overflow:hidden;padding:0;display:flex;flex-direction:column}
.news-lead .news-fig{overflow:hidden}
.news-lead .news-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.news-lead .news-body{padding:26px}
.news-lead h3{font-size:20px;color:var(--c-deep);margin:14px 0 10px;line-height:1.5}
.news-lead p{font-size:14.8px;color:var(--text-2)}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-lead:hover .news-fig img{transform:scale(1.04)}
.news-list{display:grid;gap:4px}
.news-row{
  display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;
  padding:18px 16px;border-radius:12px;border-bottom:1px solid var(--line);
  transition:background-color var(--ease),transform var(--ease);
}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:var(--bg-alt);transform:translateX(2px)}
.news-row h3{font-size:16px;color:var(--c-deep);margin-bottom:6px;line-height:1.55}
.news-row p{font-size:13.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row .row-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.news-row .row-side time{font-size:12.5px;color:var(--text-2);white-space:nowrap}
.news-time{font-size:12.5px;color:var(--text-2)}

/* ============ 空态 ============ */
.empty-state{
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;padding:40px 20px;text-align:center;
}
.empty-state .rings{position:relative;width:54px;height:54px}
.empty-state .rings span{position:absolute;border-radius:50%;border:1.5px solid var(--c-light);inset:0}
.empty-state .rings span:nth-child(2){inset:11px;border-color:rgba(228,101,122,.45)}
.empty-state .rings span:nth-child(3){inset:22px;background:var(--grad);border:0}
.empty-state p{font-size:14.5px;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:14px;overflow:hidden;transition:box-shadow var(--ease)}
.faq-item.open{box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 22px;text-align:left;font-family:var(--font-serif);font-size:17px;font-weight:700;
  color:var(--c-deep);line-height:1.55;
}
.faq-q .ic{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--c-light);
  display:flex;align-items:center;justify-content:center;color:var(--c-main);font-size:12px;
  transition:transform var(--ease),background-color var(--ease),color var(--ease);
}
.faq-item.open .faq-q .ic{transform:rotate(180deg);background:var(--grad);color:#fff;border-color:transparent}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a .inner{margin:0 16px 16px;padding:16px 18px;background:var(--bg-alt);border-radius:var(--r-md);font-size:15px;color:var(--text-2);line-height:1.9}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:start}
.form-card{padding:30px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--c-deep);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;font-size:15px;color:var(--text);transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:118px;padding:13px 16px;line-height:1.8;resize:vertical}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237A3F86' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.field input::placeholder,.field textarea::placeholder{color:#A493A8}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-main);box-shadow:0 0 0 3px rgba(122,63,134,.14);
}
.field.err input,.field.err select,.field.err textarea{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(228,101,122,.14)}
.field .tip{font-size:12.5px;color:var(--c-accent);display:none}
.field.err .tip{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);margin:4px 0 20px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-main);flex:0 0 18px}
.check a{color:var(--c-main);text-decoration:underline}
.form-status{margin-top:16px}
.alert{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:12px;font-size:14.5px;
  border-left:4px solid;background:var(--bg-alt);color:var(--text);
}
.alert i{font-size:16px}
.alert-ok{border-color:#4E9A6A;background:rgba(78,154,106,.08)}
.alert-ok i{color:#4E9A6A}
.alert-err{border-color:var(--c-accent);background:rgba(228,101,122,.08)}
.alert-err i{color:var(--c-accent)}
.info-card{padding:28px;display:flex;flex-direction:column;gap:18px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ic{
  flex:0 0 42px;width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(122,63,134,.08);color:var(--c-main);font-size:15px;
}
.info-item b{display:block;font-size:14px;color:var(--c-deep);margin-bottom:3px}
.info-item span{font-size:13.8px;color:var(--text-2)}
.map-figure{margin:0;border-radius:var(--r-md);overflow:hidden;position:relative}
.map-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.map-figure figcaption{
  position:absolute;left:14px;bottom:14px;background:rgba(253,250,247,.93);color:var(--c-deep);
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;
}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--grad);border-radius:var(--r-lg);padding:52px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(122,63,134,.25);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;max-width:640px;line-height:1.45}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.88);max-width:600px}
.cta-band .btn-light{background:#fff;color:var(--c-deep)}
.cta-band .btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(42,30,46,.2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(246,238,242,.82);padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-name{color:#FDFAF7}
.footer-brand p{margin:16px 0 20px;font-size:13.8px;line-height:1.85;color:rgba(246,238,242,.68);max-width:300px}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);color:rgba(246,238,242,.85);font-size:14px;
  transition:background-color var(--ease),color var(--ease),transform var(--ease);
}
.socials a:hover{background:rgba(228,101,122,.22);color:#F3B7C0;transform:translateY(-2px)}
.footer-col h3{font-family:var(--font-serif);font-size:15.5px;color:#FDFAF7;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col li{font-size:13.8px;color:rgba(246,238,242,.72);transition:color var(--ease)}
.footer-col a:hover{color:var(--c-accent-soft)}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.8px;color:rgba(246,238,242,.6);
}
.footer-bottom a{color:rgba(246,238,242,.66)}
.footer-bottom a:hover{color:var(--c-accent-soft)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-link{padding:8px 9px;font-size:14.5px}
  .brand-name{font-size:19px}
}
@media (max-width:1024px){
  .nav-left,.nav-right,.header-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{grid-template-columns:auto 1fr auto;height:60px}
  .site-header.scrolled .header-inner{height:60px}
  .brand{justify-self:center}
  .section{padding:72px 0}
  .hero{padding:110px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:38px;min-height:0}
  .hero-media img{aspect-ratio:16/10;max-height:420px}
  .hero-float{left:auto;right:16px;bottom:-18px}
  .svc-grid{grid-template-columns:1fr}
  .dark-inner{grid-template-columns:1fr;gap:36px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .case-side{grid-template-columns:1fr 1fr}
  .plan-grid{grid-template-columns:1fr;gap:36px}
  .news-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:96px 0 56px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-badges{gap:10px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .data-chip{flex:0 0 auto;min-width:120px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto}
  .case-side{grid-template-columns:1fr}
  .case-mini{grid-template-columns:104px 1fr}
  .news-row{grid-template-columns:1fr;gap:10px}
  .news-row .row-side{flex-direction:row;align-items:center;justify-content:flex-start;gap:12px}
  .form-row{grid-template-columns:1fr;gap:0}
  .cta-band{padding:36px 24px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .faq-q{font-size:15.5px;padding:17px 16px}
}
@media (max-width:520px){
  .brand-name{font-size:17px}
  .brand-mark{width:30px;height:30px;flex-basis:30px;border-radius:10px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-item b{font-size:30px}
  .btn{height:46px;padding:0 22px;font-size:14.5px}
  .hero-float{padding:11px 15px}
  .hero-float b{font-size:20px}
  .drawer-links{gap:8px 10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --primary-deep:#4A2350;
  --primary:#7A3F86;
  --primary-light:#B98BC4;
  --accent:#E4657A;
  --accent-light:#F3B7C0;
  --copper:#D9A45B;
  --bg:#FDFAF7;
  --bg-alt:#F5EEF2;
  --line:#E7DBE2;
  --text:#2A1E2E;
  --muted:#5C4A5F;
  --dark:#2A1E2E;
  --dark-2:#3A2740;
  --cream:#FDFAF7;
  --grad:linear-gradient(135deg,#7A3F86,#E4657A);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(42,30,46,.06);
  --sh-2:0 12px 30px rgba(74,35,80,.12);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{padding-left:1.2em}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);letter-spacing:.01em;font-weight:700;margin:0}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ===== 通用按钮 / 徽章 / 标签 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(228,101,122,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,101,122,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--primary-light);color:var(--primary-deep)}
.btn-ghost:hover{background:var(--bg-alt)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn[disabled]{opacity:.5;pointer-events:none}

.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(122,63,134,.08);color:var(--primary-deep);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--primary-deep);
  background:rgba(122,63,134,.07);border:1px solid rgba(122,63,134,.14);
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:rgba(122,63,134,.14)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary-deep);font-size:14px;font-weight:600}
.link-more i{transition:transform .24s ease}
.link-more:hover i{transform:translateX(4px)}
.link-more:hover{color:var(--accent)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease,height .24s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(74,35,80,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.site-header.is-scrolled .header-inner{height:64px}
.nav-side{display:flex;align-items:center;gap:26px;flex:1;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);padding:6px 2px;
  transition:color .24s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  border-radius:2px;background:var(--grad);transition:width .24s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--primary-deep);font-weight:600}
.nav-link.active::after{width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:30px;height:30px;border-radius:50%;
  background:var(--grad);
  box-shadow:inset 0 0 0 4px rgba(253,250,247,.85),0 4px 12px rgba(122,63,134,.3);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:11px;border-radius:50%;
  background:var(--copper);opacity:.9;
}
.brand-name{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--primary-deep);letter-spacing:.02em}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--primary-deep);cursor:pointer;
  transition:background .2s ease;
}
.nav-toggle:hover{background:var(--bg-alt)}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:70;
  visibility:hidden;opacity:0;
  transition:opacity .26s ease,visibility .26s ease;
}
.nav-drawer.open{visibility:visible;opacity:1}
.nav-drawer::before{content:"";position:absolute;inset:0;background:rgba(42,30,46,.4)}
.drawer-panel{
  position:relative;background:#fff;padding:26px 22px 30px;
  border-radius:0 0 24px 24px;
  transform:translateY(-18px);transition:transform .28s ease;
}
.nav-drawer.open .drawer-panel{transform:translateY(0)}
.drawer-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;margin-bottom:22px}
.drawer-cols h3{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:6px;letter-spacing:.06em}
.drawer-link{display:block;padding:11px 2px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link:hover{color:var(--accent)}
.drawer-cta{width:100%}

/* ===== 文章头部 ===== */
.article-hero{position:relative;overflow:hidden;padding:34px 0 42px;background:linear-gradient(180deg,#F5EEF2 0%,#FDFAF7 100%)}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.08;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--primary-light)}
.breadcrumb .current{color:var(--primary-deep);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(26px,3.6vw,38px);line-height:1.36;
  margin:18px 0 20px;max-width:880px;color:var(--text);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.meta-row i{color:var(--primary-light);margin-right:5px}

/* ===== 正文与侧栏 ===== */
.article-section{padding:56px 0 var(--sec)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 308px;gap:48px;align-items:start}
.article-main{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:40px 46px 46px;box-shadow:var(--sh-1);
}
.prose-cn{font-size:16.5px;line-height:1.9;color:var(--text);word-wrap:break-word;overflow-wrap:break-word}
.prose-cn > *:first-child{margin-top:0}
.prose-cn p{margin:0 0 1.1em}
.prose-cn h2{
  position:relative;font-size:clamp(21px,2.2vw,26px);
  line-height:1.5;margin:2em 0 .8em;padding-left:34px;color:var(--primary-deep);
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:.62em;
  width:24px;height:4px;border-radius:2px;background:var(--grad);
}
.prose-cn h3{font-size:20px;line-height:1.6;margin:1.6em 0 .6em;color:var(--text)}
.prose-cn ul,.prose-cn ol{margin:0 0 1.2em;padding-left:1.35em}
.prose-cn li{margin-bottom:.45em}
.prose-cn ul li::marker{color:var(--primary)}
.prose-cn ol li::marker{color:var(--primary);font-weight:600}
.prose-cn blockquote{
  position:relative;margin:1.6em 0;padding:18px 24px 18px 26px;
  background:var(--bg-alt);border-radius:12px;color:var(--muted);
}
.prose-cn blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--grad);
}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn img{border-radius:16px;margin:26px auto}
.prose-cn figcaption,.prose-cn .caption{font-size:13px;color:var(--muted);text-align:center;margin-top:-14px;margin-bottom:26px}
.prose-cn a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;transition:color .2s ease}
.prose-cn a:hover{color:var(--accent)}
.prose-cn table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;border-radius:12px;font-size:15px}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose-cn th{background:var(--bg-alt);font-weight:600}
.prose-cn pre{
  background:var(--dark);color:#EFE4F0;border-radius:12px;
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.75;margin:1.6em 0;
}
.prose-cn code{background:var(--bg-alt);border-radius:6px;padding:2px 6px;font-size:14px}
.prose-cn pre code{background:none;padding:0;color:inherit}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:56px 24px;text-align:center;
}
.empty-rings{position:relative;width:92px;height:92px}
.empty-rings span{
  position:absolute;border-radius:50%;border:1px solid var(--primary-light);
  opacity:.5;inset:0;
}
.empty-rings span:nth-child(2){inset:16px;opacity:.35}
.empty-rings span:nth-child(3){inset:32px;opacity:.22;background:rgba(122,63,134,.08)}
.empty-state p{color:var(--muted);font-size:15px;margin:0}

/* 文末 */
.article-foot{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.foot-title{font-size:14px;color:var(--muted);margin-bottom:12px;letter-spacing:.04em}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:30px}
.post-nav-card{
  display:block;padding:20px 22px;border:1px solid var(--line);
  border-radius:var(--r-md);background:var(--bg);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--primary-light)}
.post-nav-card span{display:block;font-size:12px;color:var(--primary);letter-spacing:.08em;margin-bottom:8px}
.post-nav-card strong{display:block;font-size:15px;line-height:1.7;color:var(--text);font-weight:600}
.post-nav-card.next{text-align:right}
.back-row{text-align:center}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px 18px;box-shadow:var(--sh-1);
}
.side-title{position:relative;font-size:17px;color:var(--primary-deep);padding-left:18px;margin-bottom:16px}
.side-title::before{
  content:"";position:absolute;left:0;top:.58em;width:10px;height:10px;border-radius:50%;
  background:var(--grad);
}
.side-post{display:flex;gap:12px;padding:10px;border-radius:12px;transition:background .2s ease}
.side-post:hover{background:var(--bg-alt)}
.side-post img{width:78px;height:58px;object-fit:cover;border-radius:10px;flex:none;background:var(--bg-alt)}
.side-post strong{display:block;font-size:14px;line-height:1.6;font-weight:600;color:var(--text);margin-bottom:4px}
.side-post:hover strong{color:var(--primary-deep)}
.side-post em{font-style:normal;font-size:12px;color:var(--muted)}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 10px;border-radius:12px;font-size:14px;line-height:1.65;color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.side-list a:hover{background:var(--bg-alt);color:var(--primary-deep)}
.side-list b{font-family:var(--serif);color:var(--primary-light);font-size:14px;flex:none}
.contact-card{background:linear-gradient(160deg,#3A2740,#2A1E2E);border:0;color:#EFE4F0}
.contact-card .side-title{color:#fff}
.contact-card p{font-size:14px;color:#C4B0C8;line-height:1.8}
.contact-line{display:flex;align-items:center;gap:10px;font-size:14px;color:#EFE4F0;margin-bottom:10px}
.contact-line i{color:var(--accent-light)}
.contact-card .btn{width:100%;margin-top:12px}

/* ===== CTA 带 ===== */
.cta-band{padding:0 0 var(--sec)}
.cta-inner{
  background:var(--grad);border-radius:24px;
  padding:56px 48px;text-align:center;color:#fff;
  box-shadow:0 20px 46px rgba(122,63,134,.24);
}
.cta-inner h2{font-size:clamp(23px,2.6vw,32px);color:#fff;margin-bottom:14px}
.cta-inner p{max-width:620px;margin:0 auto 26px;color:rgba(255,255,255,.88);font-size:15px;line-height:1.85}
.cta-inner .btn{background:#fff;color:var(--primary-deep);box-shadow:0 10px 24px rgba(42,30,46,.18)}
.cta-inner .btn:hover{transform:translateY(-2px)}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#EDE3EA;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{color:#B9A6BE;font-size:14px;line-height:1.85;margin:16px 0 18px;max-width:320px}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:#E6D8E9;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.socials a:hover{background:var(--accent);border-color:transparent;transform:translateY(-2px)}
.footer-col h3{font-size:16px;color:#fff;margin:0 0 18px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:11px;font-size:14px;color:#B9A6BE}
.footer-col a{color:#B9A6BE;transition:color .2s ease}
.footer-col a:hover{color:var(--accent-light)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:8px;font-size:12.5px;color:#9C88A2;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static}
  .article-main{padding:32px 30px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  :root{--sec:72px}
  .container{padding:0 20px}
  .brand-name{font-size:19px}
  .article-hero{padding:26px 0 32px}
  .article-section{padding:40px 0 var(--sec)}
  .article-main{padding:26px 22px 30px;border-radius:var(--r-md)}
  .prose-cn{font-size:16px}
  .prose-cn h2{padding-left:28px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-card.next{text-align:left}
  .cta-inner{padding:40px 24px}
  .site-footer{padding:56px 0 0}
}
@media (max-width:560px){
  :root{--sec:56px}
  .header-cta{display:none}
  .drawer-cols{grid-template-columns:1fr}
  .breadcrumb .current{white-space:normal}
  .article-main{padding:22px 18px 26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .cta-inner h2{font-size:22px}
}

/* roulang page: category1 */
:root{
  --c-deep:#4A2350;
  --c-primary:#7A3F86;
  --c-soft:#B98BC4;
  --c-accent:#E4657A;
  --c-accent-soft:#F3B7C0;
  --c-copper:#D9A45B;
  --bg:#FDFAF7;
  --bg-alt:#F5EEF2;
  --line:#E7DBE2;
  --text:#2A1E2E;
  --muted:#5C4A5F;
  --dark:#2A1E2E;
  --dark-2:#3A2740;
  --grad:linear-gradient(135deg,#7A3F86 0%,#E4657A 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(42,30,46,.06);
  --sh-2:0 12px 30px rgba(74,35,80,.12);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.9;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--dark);color:#F7EFF3}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;color:var(--c-primary);font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--grad)}
h2{font-size:clamp(24px,3vw,36px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;max-width:640px}
.serif{font-family:var(--serif)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.02em;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;white-space:nowrap}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(122,63,134,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(228,101,122,.32);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:#fff;color:var(--c-deep);border:1px solid var(--c-soft)}
.btn-secondary:hover{background:var(--bg-alt);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:hover{color:var(--c-accent)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;background:rgba(122,63,134,.08);color:var(--c-deep)}
.badge-accent{background:rgba(228,101,122,.1);color:#B33A52}
.badge-light{background:rgba(255,255,255,.16);color:#F7EFF3;border:1px solid rgba(255,255,255,.3)}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:100;background:rgba(253,250,247,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 10px 26px rgba(42,30,46,.08)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;gap:20px;transition:height .25s ease}
.site-header.scrolled .header-inner{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 2px;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;background:var(--grad);transition:width .24s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--c-deep);font-weight:600}
.nav-link.active::after{width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{width:30px;height:30px;border-radius:50%;background:radial-gradient(circle at 30% 28%,rgba(255,255,255,.55),transparent 62%),var(--grad);position:relative;flex:none}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:50%;border:1.5px solid rgba(255,255,255,.9)}
.brand-name{font-family:var(--serif);font-size:21px;font-weight:700;letter-spacing:.04em;color:var(--c-deep);white-space:nowrap}
.header-cta{margin-left:8px}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--c-deep);font-size:17px}

/* 面包屑 */
.breadcrumb{position:relative;z-index:3;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(247,239,243,.72);padding:22px 0 0}
.breadcrumb a{color:rgba(247,239,243,.86)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--c-accent-soft)}
.section-light-bc .breadcrumb{color:var(--muted);padding:20px 0 0}
.section-light-bc .breadcrumb a{color:var(--c-primary)}
.section-light-bc .breadcrumb .current{color:var(--text)}

/* 页头横幅 */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#F7EFF3}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.42;transform:scale(1.02)}
.page-hero .hero-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(42,30,46,.9) 0%,rgba(74,35,80,.78) 52%,rgba(228,101,122,.42) 100%)}
.page-hero .hero-rings{position:absolute;right:-90px;top:-60px;width:420px;height:420px;border-radius:50%;border:1px solid rgba(255,255,255,.14);pointer-events:none}
.page-hero .hero-rings::after{content:"";position:absolute;inset:60px;border-radius:50%;border:1px solid rgba(255,255,255,.1)}
.page-hero .container{position:relative;z-index:2;padding-bottom:76px}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);margin:20px 0 18px;color:#fff;max-width:820px}
.page-hero .lead{font-size:clamp(17px,1.6vw,20px);line-height:1.75;color:rgba(247,239,243,.9);max-width:700px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-figures{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.figure-pill{display:flex;flex-direction:column;gap:2px;padding:14px 20px;border-radius:var(--r-md);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);min-width:150px}
.figure-pill b{font-family:var(--serif);font-size:24px;font-weight:700;color:#fff;line-height:1.2}
.figure-pill span{font-size:12.5px;color:rgba(247,239,243,.78)}

/* 通用卡片 */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-soft)}
.card-media{overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:26px 26px 28px}

/* 概述区 */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.intro-text p{color:var(--muted);margin-top:16px;font-size:16.5px}
.intro-points{margin-top:26px;display:grid;gap:12px}
.intro-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.intro-points i{color:var(--c-accent);margin-top:7px;font-size:13px}
.intro-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.intro-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.intro-figure .fig-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 24px 20px;background:linear-gradient(transparent,rgba(42,30,46,.82));color:#F7EFF3;font-size:13px}
.intro-float{position:absolute;top:22px;left:22px;background:rgba(253,250,247,.95);border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--sh-1)}
.intro-float b{font-family:var(--serif);font-size:22px;color:var(--c-deep);display:block;line-height:1.2}
.intro-float span{font-size:12px;color:var(--muted)}

/* 时间轴 */
.timeline{position:relative;padding:10px 0 0;margin-top:14px}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:40px;width:2px;transform:translateX(-50%);background:linear-gradient(180deg,rgba(185,139,196,0),var(--c-soft) 12%,var(--c-accent-soft) 88%,rgba(243,183,192,0))}
.tl-item{position:relative;width:50%;padding:0 52px 44px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 44px 52px}
.tl-dot{position:absolute;top:26px;right:-9px;width:18px;height:18px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 6px rgba(185,139,196,.2);z-index:2}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-9px}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:transform .26s ease,box-shadow .26s ease}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tl-card .tl-img{width:100%;aspect-ratio:16/10;object-fit:cover}
.tl-body{padding:24px 26px 26px}
.tl-stage{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--c-accent)}
.tl-body h3{font-size:20px;margin:8px 0 10px;color:var(--c-deep)}
.tl-body p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-meta span{font-size:12px;color:var(--c-deep);background:rgba(122,63,134,.07);border-radius:999px;padding:4px 10px}

/* 准则区 */
.creed-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.creed-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);position:relative}
.creed-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.creed-figure .creed-cap{margin:0;padding:22px 24px;background:#fff;border-top:1px solid var(--line)}
.creed-figure .creed-cap h3{font-size:19px;color:var(--c-deep)}
.creed-figure .creed-cap p{margin-top:8px;font-size:14.5px;color:var(--muted)}
.creed-list{display:grid;gap:0;border-top:1px solid var(--line)}
.creed-row{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:26px 4px;border-bottom:1px solid var(--line);transition:background .25s ease,border-radius .25s ease}
.creed-row:hover{background:rgba(245,238,242,.85);border-radius:var(--r-sm);padding-left:12px;padding-right:12px}
.creed-num{font-family:var(--serif);font-size:26px;font-weight:700;color:var(--c-soft);line-height:1.2}
.creed-row h3{font-size:18px;color:var(--c-deep);margin-bottom:6px}
.creed-row p{font-size:14.5px;color:var(--muted)}

/* 深色数据带 */
.dark-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.section-dark h2{color:#fff}
.section-dark .sec-sub{color:rgba(247,239,243,.76);margin-top:14px;font-size:16px}
.dark-figures{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:34px;background:rgba(255,255,255,.14);border-radius:var(--r-md);overflow:hidden}
.dark-figure{background:var(--dark-2);padding:24px 18px;text-align:center}
.dark-figure b{display:block;font-family:var(--serif);font-size:clamp(28px,3vw,40px);font-weight:700;background:linear-gradient(135deg,#F7EFF3,#F3B7C0);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.dark-figure span{font-size:12.5px;color:rgba(247,239,243,.72)}
.quote-stack{display:grid;gap:20px}
.quote{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-left:3px solid var(--c-accent);border-radius:var(--r-md);padding:24px 26px}
.quote p{font-size:15.5px;line-height:1.85;color:rgba(247,239,243,.94)}
.quote cite{display:block;margin-top:14px;font-style:normal;font-size:13px;color:var(--c-accent-soft)}

/* FAQ */
.faq{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.open{border-color:var(--c-soft);box-shadow:var(--sh-1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;text-align:left;padding:20px 24px;font-size:16.5px;font-weight:600;font-family:var(--serif);color:var(--c-deep)}
.faq-q i{flex:none;color:var(--c-primary);transition:transform .3s ease;font-size:14px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:500px}
.faq-a .faq-inner{padding:0 24px 22px;background:var(--bg-alt);border-top:1px solid var(--line);padding-top:18px}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.9}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;background:var(--grad);color:#fff;padding:72px 0;border-radius:0}
.cta-band .cta-rings{position:absolute;left:-70px;bottom:-120px;width:340px;height:340px;border-radius:50%;border:1px solid rgba(255,255,255,.24)}
.cta-band .cta-rings::after{content:"";position:absolute;inset:52px;border-radius:50%;border:1px solid rgba(255,255,255,.18)}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{color:#fff;max-width:620px}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.9);font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-secondary{background:rgba(255,255,255,.96);border-color:transparent;color:var(--c-deep)}
.cta-band .btn-secondary:hover{background:#fff}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(247,239,243,.82);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(247,239,243,.68);max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);color:rgba(247,239,243,.86);transition:background .22s ease,color .22s ease,transform .22s ease}
.socials a:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-2px)}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:11px}
.footer-col li{font-size:14px;color:rgba(247,239,243,.72)}
.footer-col a{color:rgba(247,239,243,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--c-accent-soft)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(247,239,243,.6)}

/* 图片懒加载占位 */
img[loading]{background:var(--bg-alt)}

@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .header-inner{height:60px;display:flex;justify-content:space-between;align-items:center;position:relative}
  .site-header.scrolled .header-inner{height:60px}
  .nav-left{display:none}
  .brand{position:absolute;left:50%;transform:translateX(-50%);justify-self:auto}
  .brand-name{font-size:18px}
  .nav-right{gap:10px}
  .nav-right .nav-link,.nav-right .header-cta{display:none}
  .nav-toggle{display:inline-flex;position:absolute;right:0;top:50%;transform:translateY(-50%)}
  .site-header.nav-open{box-shadow:0 18px 44px rgba(42,30,46,.16)}
  .site-header.nav-open .nav-left,
  .site-header.nav-open .nav-right{
    display:flex;flex-direction:column;align-items:flex-start;gap:2px;
    position:absolute;top:100%;background:#fff;padding:16px 18px 22px;
    border-top:1px solid var(--line);min-height:180px;
  }
  .site-header.nav-open .nav-left{left:0;width:52%;border-right:1px solid var(--line)}
  .site-header.nav-open .nav-right{right:0;width:48%}
  .site-header.nav-open .nav-right .nav-link,
  .site-header.nav-open .nav-right .header-cta{display:flex;width:100%}
  .site-header.nav-open .nav-link{font-size:15px;padding:10px 4px}
  .site-header.nav-open .header-cta{margin:12px 0 0;justify-content:center}
  .site-header.nav-open .nav-toggle{top:-46px;right:0;transform:none;position:absolute}
  .intro-grid,.creed-grid,.dark-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:768px){
  .section{padding:56px 0}
  .page-hero .container{padding-bottom:56px}
  .page-hero .hero-rings{display:none}
  .timeline::before{left:9px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 30px 36px}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto;top:24px;width:16px;height:16px}
  .hero-figures{gap:10px}
  .figure-pill{min-width:calc(50% - 5px);flex:1 1 auto}
  .dark-figures{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:24px}
}

@media (max-width:520px){
  .container{padding:0 20px}
  .page-hero h1{font-size:28px}
  .figure-pill{min-width:100%}
  .btn{width:100%;padding:0 20px}
  .btn-sm{width:auto}
  .cta-actions{width:100%}
  .faq-q{font-size:15.5px;padding:18px}
  .header-cta.btn-sm{width:auto}
  .brand-name{font-size:16px}
  .socials{flex-wrap:wrap}
}

/* roulang page: category2 */
:root{
  --c-primary-deep:#4A2350;
  --c-primary:#7A3F86;
  --c-primary-light:#B98BC4;
  --c-accent:#E4657A;
  --c-accent-light:#F3B7C0;
  --c-copper:#D9A45B;
  --bg:#FDFAF7;
  --bg-alt:#F5EEF2;
  --line:#E7DBE2;
  --text:#2A1E2E;
  --text-2:#5C4A5F;
  --dark:#2A1E2E;
  --dark-2:#3A2740;
  --grad:linear-gradient(135deg,#7A3F86 0%,#E4657A 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(42,30,46,.06);
  --sh-2:0 12px 30px rgba(74,35,80,.12);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.85;font-weight:400;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;margin:0;line-height:1.35;color:var(--text)}
p{margin:0}
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{list-style:none;margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-y) 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:linear-gradient(135deg,#2A1E2E 0%,#3A2740 100%);color:#F1E7F2}
.section-dark h2{color:#FDFAF7}
#services,#faq,#contact{scroll-margin-top:96px}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .24s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(74,35,80,.10)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s ease;position:relative}
.site-header.is-scrolled .header-inner{height:64px}
.nav-side{display:flex;align-items:center;gap:26px;flex:1 1 0;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end;gap:22px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad);border-radius:2px;transition:width .24s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--c-primary-deep);font-weight:600}
.nav-link.active::after{width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:24px;height:24px;border-radius:50%;background:var(--grad);position:relative;display:inline-block;box-shadow:0 0 0 4px rgba(122,63,134,.10)}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;background:#fff;opacity:.92}
.brand-name{font-family:var(--font-serif);font-size:21px;font-weight:700;letter-spacing:.03em;color:var(--c-primary-deep);white-space:nowrap}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--c-primary-deep);background:#fff}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;white-space:nowrap}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(228,101,122,.26)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 14px 28px rgba(228,101,122,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--c-primary-light);color:var(--c-primary-deep)}
.btn-ghost:hover{background:var(--bg-alt);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary-deep)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,30,46,.18)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

/* 徽章 */
.badge-cat{display:inline-flex;align-items:center;gap:6px;background:rgba(122,63,134,.08);color:var(--c-primary-deep);border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em;padding:6px 14px}
.badge-cat.on-dark{background:rgba(255,255,255,.16);color:#FDFAF7}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--c-primary);margin-bottom:14px}
.eyebrow::before{content:"";width:24px;height:4px;border-radius:2px;background:var(--grad)}

/* ============ 页头 ============ */
.page-hero{position:relative;padding:112px 0 84px;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(42,30,46,.90) 0%,rgba(74,35,80,.78) 52%,rgba(74,35,80,.58) 100%)}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{opacity:.6}
.page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,50px);line-height:1.25;margin:16px 0 18px}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:#F3E5F4;max-width:760px}
.hero-desc{margin-top:14px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.78);max-width:720px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.hero-stat{padding:14px 22px;min-width:158px;border-radius:var(--r-md);border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--sh-1)}
.hero-stat b{display:block;font-family:var(--font-serif);font-size:26px;line-height:1.25;color:var(--c-primary-deep)}
.hero-stat span{font-size:12.5px;color:var(--text-2)}

/* ============ 通用板块头 ============ */
.section-head{max-width:780px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.section-lead{font-size:15.5px;line-height:1.9;color:var(--text-2)}
.section-dark .section-lead{color:#C9B7CC}

/* ============ 卡片 ============ */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--c-primary-light)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media{overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;background:var(--bg-alt)}
.card-body{padding:24px 26px 28px}
.card-body h3{font-size:19px;margin-bottom:10px}
.card-body p{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* 大卡 */
.feature-card{display:grid;grid-template-columns:1.05fr 1fr;overflow:hidden;margin-bottom:36px}
.feature-card .card-media{border-radius:var(--r-lg) 0 0 var(--r-lg);height:100%}
.feature-card .card-media img{height:100%;aspect-ratio:auto;min-height:340px}
.feature-body{padding:36px 38px}
.feature-body h3{font-size:23px;margin:14px 0 14px}
.feature-body p{font-size:15px;line-height:1.9;color:var(--text-2)}
.point-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.point-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.point-list li i{color:var(--c-primary);font-size:12px;margin-top:7px;flex:0 0 auto}

/* 服务网格 */
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.service-grid .card:nth-child(even){margin-top:36px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary);margin-top:16px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 数据带 ============ */
.stat-wrap{display:grid;grid-template-columns:1fr 1.35fr;gap:48px;align-items:center}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:10px 18px;text-align:center}
.stat-item+.stat-item{border-left:1px solid rgba(255,255,255,.14)}
.stat-item b{display:block;font-family:var(--font-serif);font-size:clamp(30px,3.4vw,42px);line-height:1.2;color:var(--c-accent-light)}
.stat-item span{display:block;margin-top:8px;font-size:13px;color:#C9B7CC;letter-spacing:.04em}

/* ============ 适用场景 ============ */
.scene-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:52px;align-items:center}
.scene-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-alt)}
.list-rows{margin-top:26px;border-top:1px solid var(--line)}
.list-row{display:flex;gap:16px;padding:20px 16px;border-bottom:1px solid var(--line);border-radius:12px;transition:background-color .2s ease,transform .2s ease}
.list-row:hover{background:#fff;transform:translateX(4px)}
.row-index{flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:rgba(122,63,134,.08);color:var(--c-primary-deep);display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:14px}
.list-row h3{font-size:16.5px;margin-bottom:6px}
.list-row p{font-size:14px;color:var(--text-2);line-height:1.78}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:12px}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow-step::before{content:"";position:absolute;top:50px;left:100%;width:24px;height:2px;background:var(--line)}
.flow-step:last-child::before{display:none}
.flow-num{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;font-family:var(--font-serif);font-size:17px;color:var(--c-primary-deep);background:rgba(122,63,134,.08);border:1px solid rgba(185,139,196,.5);margin-bottom:16px}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.78;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item.is-open{border-color:var(--c-primary-light);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);font-family:var(--font-sans);line-height:1.6}
.faq-q i{color:var(--c-primary);flex:0 0 auto;transition:transform .28s ease}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;background:var(--bg-alt)}
.faq-item.is-open .faq-a{max-height:440px}
.faq-a p{padding:18px 24px 22px;font-size:14.5px;line-height:1.85;color:var(--text-2)}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--grad);color:#fff;padding:72px 0}
.cta-band::before{content:"";position:absolute;right:-60px;top:-90px;width:300px;height:300px;border-radius:50%;border:1px solid rgba(255,255,255,.22);opacity:.8}
.cta-band::after{content:"";position:absolute;left:-70px;bottom:-130px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(255,255,255,.16);opacity:.8}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.9);max-width:620px;line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#E8DEE9;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin:18px 0 20px;font-size:14px;line-height:1.8;color:#BFAEC2;max-width:290px}
.socials{display:flex;gap:10px}
.socials a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:#E8DEE9;transition:background-color .2s ease,transform .2s ease,border-color .2s ease,color .2s ease}
.socials a:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-2px)}
.footer-col h3{font-family:var(--font-serif);font-size:16px;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li,.footer-col a{font-size:14px;color:#BFAEC2;line-height:1.7}
.footer-col a{transition:color .2s ease}
.footer-col a:hover{color:var(--c-accent-light)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;font-size:12.5px;color:#9C8AA0}

/* ============ 移动端抽屉 ============ */
body::after{content:"";position:fixed;inset:0;background:rgba(42,30,46,.4);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:60;pointer-events:none}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-y:72px}
  .container{padding:0 24px}
  .header-inner{height:60px;justify-content:center}
  .site-header.is-scrolled .header-inner{height:60px}
  .nav-side{position:fixed;top:60px;bottom:0;width:50%;flex:0 0 auto;flex-direction:column;align-items:flex-start;gap:6px;padding:24px 12px 28px 24px;background:var(--bg);border-right:1px solid var(--line);overflow-y:auto;transform:translateY(-10px);opacity:0;visibility:hidden;transition:opacity .24s ease,transform .24s ease,visibility .24s ease;z-index:75}
  .nav-left{left:0}
  .nav-right{right:0;left:auto;padding:24px 24px 28px 12px;border-right:0;border-left:1px solid var(--line);align-items:stretch;gap:4px}
  body.nav-open .nav-side{transform:translateY(0);opacity:1;visibility:visible}
  body.nav-open::after{opacity:1;visibility:visible;pointer-events:auto}
  .nav-link{display:block;width:100%;padding:12px 10px;border-radius:12px;font-size:16px}
  .nav-link::after{display:none}
  .nav-link:hover,.nav-link.active{background:var(--bg-alt)}
  .header-cta{margin-top:auto;width:100%;display:inline-flex}
  .nav-toggle{display:inline-flex;position:fixed;top:9px;right:20px;z-index:90}
  .stat-wrap,.scene-wrap,.faq-wrap{grid-template-columns:1fr;gap:36px}
  .feature-card{grid-template-columns:1fr}
  .feature-card .card-media{border-radius:var(--r-lg) var(--r-lg) 0 0}
  .feature-card .card-media img{min-height:260px;aspect-ratio:16/10}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec-y:56px}
  .container{padding:0 20px}
  .page-hero{padding:88px 0 64px}
  .hero-stat{flex:1 1 150px}
  .stat-grid{grid-template-columns:repeat(2,1fr);row-gap:26px}
  .stat-item+.stat-item{border-left:0}
  .stat-item{border-left:1px solid rgba(255,255,255,.14)}
  .stat-item:nth-child(odd){border-left:0}
  .service-grid{grid-template-columns:1fr}
  .service-grid .card:nth-child(even){margin-top:0}
  .feature-body{padding:28px 24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .brand-name{font-size:19px}
  .flow{grid-template-columns:1fr}
  .hero-actions .btn,.hero-actions a{width:100%}
  .hero-stats{gap:10px}
  .hero-stat{min-width:130px;padding:12px 16px}
  .nav-side{width:56%;padding-left:18px}
  .nav-right{padding-right:18px;width:56%}
}

/* roulang page: category3 */
:root{
  --brand-900:#4A2350;
  --brand:#7A3F86;
  --brand-300:#B98BC4;
  --accent:#E4657A;
  --accent-300:#F3B7C0;
  --copper:#D9A45B;
  --bg:#FDFAF7;
  --bg-alt:#F5EEF2;
  --line:#E7DBE2;
  --ink:#2A1E2E;
  --ink-2:#5C4A5F;
  --ink-3:#7C6B80;
  --dark:#2A1E2E;
  --dark-2:#3A2740;
  --grad:linear-gradient(135deg,#7A3F86 0%,#E4657A 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(42,30,46,.06);
  --sh-2:0 12px 30px rgba(74,35,80,.12);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --sp-sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.9;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;margin:0;color:var(--ink)}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.25}
h2{font-size:clamp(24px,3vw,36px);line-height:1.35}
h3{font-size:19px;line-height:1.5}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(122,63,134,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(122,63,134,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(122,63,134,.26)}
.btn-ghost{background:#fff;border-color:var(--brand-300);color:var(--brand-900)}
.btn-ghost:hover{background:var(--bg-alt);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-900);box-shadow:0 8px 22px rgba(42,30,46,.18)}
.btn-light:hover{transform:translateY(-2px);background:#FFF7F9}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-900)}
.text-link i{font-size:13px;transition:transform .2s ease}
.text-link:hover i{transform:translateX(4px)}
.text-link:hover{color:var(--accent)}
.text-link-light{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:#fff;opacity:.9}
.text-link-light:hover{opacity:1;color:var(--accent-300)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(122,63,134,.08);color:var(--brand-900)}
.badge-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.32);padding:6px 14px;font-size:13px}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(217,164,91,.16);color:#8A5F1F}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(42,30,46,.08)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end;gap:22px}
.nav-link{position:relative;padding:6px 2px;font-size:15px;font-weight:500;color:var(--ink-2);transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .24s ease}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-900);font-weight:600}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{position:relative;width:30px;height:30px;border-radius:50%;background:var(--grad);box-shadow:0 4px 12px rgba(122,63,134,.32);flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--bg)}
.brand-name{font-family:var(--font-serif);font-size:21px;font-weight:700;letter-spacing:.02em;color:var(--brand-900);white-space:nowrap}
.header-cta{margin-left:6px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;color:var(--brand-900);border:1px solid var(--line);background:#fff;font-size:17px}
.nav-toggle:hover{background:var(--bg-alt)}
.nav-mask{position:fixed;inset:0;background:rgba(42,30,46,.4);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:55}
.nav-mask.open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;left:0;right:0;z-index:60;background:#fff;padding:88px 24px 24px;box-shadow:var(--sh-2);transform:translateY(-102%);transition:transform .3s ease;max-height:100vh;overflow-y:auto}
.nav-drawer.open{transform:translateY(0)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.drawer-col h3{font-size:14px;color:var(--ink-3);font-weight:600;margin-bottom:12px;letter-spacing:.04em}
.drawer-col a{display:block;padding:11px 0;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-col a.active{color:var(--brand-900);font-weight:600}
.drawer-foot{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer-foot .btn{width:100%}

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

/* ---------- 页头 ---------- */
.page-hero{position:relative;margin-top:20px;background-size:cover;background-position:center;color:#fff}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(42,30,46,.9) 0%,rgba(74,35,80,.75) 62%,rgba(122,63,134,.6) 100%)}
.hero-inner{position:relative;z-index:2;padding:88px 0 76px}
.hero-inner h1{margin:18px 0 20px;color:#fff;max-width:840px}
.hero-sub{max-width:740px;font-size:17px;line-height:1.95;color:rgba(253,250,247,.86)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-stats li{display:flex;align-items:baseline;gap:8px;padding:10px 20px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24)}
.hero-stats strong{font-family:var(--font-serif);font-size:26px;font-weight:700;color:#fff;line-height:1}
.hero-stats span{font-size:13px;color:rgba(253,250,247,.78)}

/* ---------- 板块 ---------- */
.sect{padding:var(--sp-sec) 0}
.sect-alt{background:var(--bg-alt)}
.sect-head{max-width:760px;margin-bottom:40px}
.sect-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";display:inline-block;width:24px;height:4px;border-radius:2px;background:var(--grad);margin-right:10px;vertical-align:middle}
.sect-sub{margin-top:14px;font-size:16px;color:var(--ink-2)}

/* ---------- 合作价值 ---------- */
.value-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:56px;align-items:start}
.value-intro p{margin:18px 0 24px;font-size:16px;color:var(--ink-2)}
.value-list{display:grid;gap:16px}
.value-list li{position:relative;padding:22px 24px 22px 78px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.value-list li:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.value-list .num{position:absolute;left:22px;top:22px;width:38px;height:38px;border-radius:12px;background:rgba(122,63,134,.08);color:var(--brand-900);font-family:var(--font-serif);font-weight:700;font-size:15px;display:grid;place-items:center}
.value-list h3{font-size:18px;margin-bottom:6px}
.value-list p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- 方案对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:32px 28px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan-card.is-feature{border-color:var(--brand-300)}
.plan-card.is-feature::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--grad)}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.plan-head h3{font-size:22px}
.plan-lead{font-size:14.5px;color:var(--ink-2);line-height:1.8;min-height:54px}
.plan-rows{margin:22px 0 26px;border-top:1px solid var(--line)}
.plan-rows>div{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.plan-rows dt{color:var(--ink-3);flex:0 0 auto}
.plan-rows dd{margin:0;text-align:right;color:var(--ink);font-weight:500}
.plan-card .btn{width:100%;margin-top:auto}
.price-note{margin-top:8px;font-size:12.5px;color:var(--ink-3);text-align:center}

/* ---------- 合作流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px}
.flow-item{position:relative;padding-top:34px}
.flow-item::before{content:"";position:absolute;top:9px;left:0;width:100%;height:1px;background:var(--line)}
.flow-item:first-child::before{background:linear-gradient(90deg,transparent,var(--line))}
.flow-item:last-child::before{background:linear-gradient(90deg,var(--line),transparent)}
.flow-num{position:absolute;top:0;left:0;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--brand-300);color:var(--brand-900);font-family:var(--font-serif);font-size:16px;font-weight:700;display:grid;place-items:center;box-shadow:0 6px 16px rgba(122,63,134,.12)}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.flow-note{margin-top:36px;padding:18px 22px;border-radius:var(--r-md);background:var(--bg-alt);font-size:14.5px;color:var(--ink-2)}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start}
.scene-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.scene-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-main img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-alt)}
.scene-main .scene-body{padding:26px 28px 30px}
.scene-main h3{font-size:22px;margin-bottom:10px}
.scene-main p{font-size:15px;color:var(--ink-2)}
.scene-side{display:grid;gap:20px}
.scene-row{display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.scene-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);background:#fff}
.scene-row img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;background:var(--bg-alt)}
.scene-row h3{font-size:17px;margin-bottom:6px}
.scene-row p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- 需求登记 ---------- */
.apply-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:32px;align-items:start}
.apply-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:auto;min-height:120px;padding:14px 16px;line-height:1.8;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,63,134,.16);outline:none}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.check input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand)}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-hint{font-size:12.5px;color:var(--ink-3)}
.status-box{margin-top:18px;display:none;padding:14px 18px;border-radius:12px;font-size:14px;border-left:4px solid var(--brand)}
.status-box.show{display:block}
.status-box.ok{background:rgba(122,63,134,.08);border-left-color:var(--brand);color:var(--brand-900)}
.status-box.err{background:rgba(228,101,122,.1);border-left-color:var(--accent);color:#8C2B3E}
.contact-card{background:var(--dark);color:rgba(253,250,247,.82);border-radius:var(--r-lg);padding:30px 28px}
.contact-card h3{color:#fff;font-size:20px;margin-bottom:8px}
.contact-card>p{font-size:14px;color:rgba(253,250,247,.7);margin-bottom:20px}
.contact-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(253,250,247,.14);font-size:14.5px}
.contact-list li:last-child{border-bottom:0}
.contact-list i{color:var(--accent-300);margin-top:5px}
.contact-list strong{display:block;color:#fff;font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--brand-300)}
.faq-item.open{box-shadow:var(--sh-1);border-color:var(--brand-300)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-family:var(--font-serif);font-size:17px;font-weight:700;text-align:left;color:var(--ink)}
.faq-q i{font-size:14px;color:var(--brand);transition:transform .28s ease;flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.open .faq-a{max-height:460px}
.faq-a p{margin:0 24px 22px;padding:18px 20px;background:var(--bg-alt);border-radius:var(--r-md);font-size:15px;color:var(--ink-2);line-height:1.9}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 var(--sp-sec)}
.cta-inner{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:36px;padding:56px;border-radius:24px;background:var(--grad);color:#fff;box-shadow:0 18px 44px rgba(122,63,134,.24)}
.cta-inner::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;border:1px solid rgba(255,255,255,.26)}
.cta-inner::before{content:"";position:absolute;right:-20px;bottom:-90px;width:190px;height:190px;border-radius:50%;border:1px solid rgba(255,255,255,.18)}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);max-width:620px}
.cta-inner p{margin-top:12px;font-size:15.5px;color:rgba(253,250,247,.86);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(253,250,247,.78);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand-name{color:#fff;font-size:20px}
.footer-brand .brand-mark::after{background:var(--dark)}
.footer-brand p{margin:16px 0 20px;font-size:14px;line-height:1.85;max-width:320px;color:rgba(253,250,247,.68)}
.socials{display:flex;gap:12px}
.socials a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(253,250,247,.22);display:grid;place-items:center;color:var(--accent-300);transition:background .2s ease,transform .2s ease}
.socials a:hover{background:rgba(243,183,192,.16);transform:translateY(-2px)}
.footer-col h3{font-size:16px;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a{color:rgba(253,250,247,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--accent-300)}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(253,250,247,.14);padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:rgba(253,250,247,.58)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-left{display:none}
  .nav-right .nav-link{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{grid-template-columns:1fr auto 1fr}
  .value-grid{grid-template-columns:1fr;gap:32px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .flow{grid-template-columns:repeat(2,1fr);gap:24px}
  .flow-item::before{display:none}
  .scene-grid{grid-template-columns:1fr}
  .apply-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sect{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .hero-inner{padding:56px 0 52px}
  .hero-stats{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .hero-stats li{flex:0 0 auto}
  .sect{padding:56px 0}
  .sect-head{margin-bottom:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 28px;gap:24px}
  .cta-band{padding-bottom:56px}
  .flow{grid-template-columns:1fr}
  .plan-rows dd{text-align:right}
  .field-row{grid-template-columns:1fr}
  .scene-row{grid-template-columns:108px 1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a p{margin:0 18px 18px}
}
@media (max-width:520px){
  h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .apply-card{padding:24px 20px}
  .contact-card{padding:24px 20px}
  .plan-card{padding:26px 22px}
  .scene-row{grid-template-columns:1fr;gap:12px}
  .scene-row img{aspect-ratio:16/9}
  .drawer-grid{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --brand-deep:#4A2350;
  --brand:#7A3F86;
  --brand-light:#B98BC4;
  --accent:#E4657A;
  --accent-light:#F3B7C0;
  --copper:#D9A45B;
  --bg:#FDFAF7;
  --bg-alt:#F5EEF2;
  --line:#E7DBE2;
  --ink:#2A1E2E;
  --ink-2:#5C4A5F;
  --ink-3:#8A7690;
  --dark:#2A1E2E;
  --dark-2:#3A2740;
  --grad:linear-gradient(135deg,#7A3F86,#E4657A);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-1:0 2px 8px rgba(42,30,46,.06);
  --shadow-2:0 12px 30px rgba(74,35,80,.12);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;}
body.nav-lock{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;margin:0;line-height:1.3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(42,30,46,.09);}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;height:72px;transition:height .25s ease;position:relative;}
.site-header.is-scrolled .header-inner{height:64px;}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;gap:20px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;transition:color .2s ease;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad);border-radius:2px;transition:width .24s ease;}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--brand-deep);font-weight:600;}
.nav-link.active::after{width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{position:relative;width:30px;height:30px;border-radius:50%;background:var(--grad);flex:none;}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:50%;border:1.5px solid rgba(253,250,247,.85);}
.brand-name{font-family:var(--font-serif);font-size:21px;font-weight:700;color:var(--brand-deep);letter-spacing:.02em;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-deep);align-items:center;justify-content:center;font-size:17px;transition:background .2s ease,border-color .2s ease;}
.nav-toggle:hover{background:var(--bg-alt);border-color:var(--brand-light);}
.nav-mask{position:fixed;inset:0;background:rgba(42,30,46,.4);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:55;}
body.nav-lock .nav-mask{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(122,63,134,.22);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(122,63,134,.3);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border:1px solid var(--brand-light);color:var(--brand-deep);}
.btn-ghost:hover{background:var(--bg-alt);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-light{background:#fff;color:var(--brand-deep);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,30,46,.2);}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;font-size:13.5px;color:var(--ink-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;}
.breadcrumb li{display:flex;align-items:center;}
.breadcrumb li+li::before{content:"/";margin:0 10px;color:var(--brand-light);}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);}

/* ---------- 页头 ---------- */
.page-hero{position:relative;margin-top:22px;padding:78px 0 72px;background-color:var(--dark);background-image:linear-gradient(135deg,rgba(42,30,46,.94),rgba(74,35,80,.82)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#F7EFF4;overflow:hidden;}
.page-hero::after{content:"";position:absolute;right:-140px;top:-90px;width:440px;height:440px;border-radius:50%;border:1px solid rgba(243,183,192,.3);box-shadow:0 0 0 56px rgba(185,139,196,.07),0 0 0 122px rgba(185,139,196,.05);pointer-events:none;}
.page-hero-inner{position:relative;z-index:2;max-width:860px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;color:var(--accent-light);margin-bottom:16px;font-weight:600;}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad);border-radius:2px;}
.page-hero h1{font-size:clamp(28px,3.8vw,46px);line-height:1.28;color:#fff;margin-bottom:18px;}
.page-hero-sub{font-size:16.5px;line-height:1.9;color:#E4D3E0;max-width:720px;margin-bottom:30px;}
.badge-row{display:flex;gap:16px;flex-wrap:wrap;}
.data-badge{background:rgba(253,250,247,.07);border:1px solid rgba(217,164,91,.42);border-radius:var(--radius-md);padding:14px 22px;min-width:150px;}
.data-badge strong{display:block;font-family:var(--font-serif);font-size:30px;line-height:1.15;color:var(--copper);}
.data-badge span{font-size:12.5px;color:#CDBCCB;letter-spacing:.03em;}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-bottom:36px;flex-wrap:wrap;}
.section-title{font-size:clamp(23px,2.8vw,34px);color:var(--brand-deep);}
.section-title::before{content:"";display:block;width:26px;height:4px;border-radius:2px;background:var(--grad);margin-bottom:16px;}
.section-desc{max-width:430px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.tag-label{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--brand);font-weight:600;margin-bottom:12px;}

/* ---------- 筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:8px;}
.filter-chip{height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;transition:all .2s ease;}
.filter-chip:hover{border-color:var(--brand-light);color:var(--brand-deep);}
.filter-chip.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(122,63,134,.22);}

/* ---------- 案例瀑布流 ---------- */
.case-grid{columns:3;column-gap:24px;margin-top:32px;}
.case-card{break-inside:avoid;margin:0 0 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-light);}
.case-media{position:relative;overflow:hidden;background:var(--bg-alt);}
.case-media img{width:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-tag{position:absolute;left:14px;top:14px;background:rgba(253,250,247,.95);color:var(--brand-deep);font-size:12px;font-weight:600;padding:5px 13px;border-radius:999px;letter-spacing:.02em;}
.case-body{padding:20px 22px 22px;}
.case-body h3{font-size:19px;color:var(--ink);margin-bottom:12px;transition:color .2s ease;}
.case-card:hover .case-body h3{color:var(--brand-deep);}
.case-body p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-bottom:14px;}
.case-note{font-size:13px;line-height:1.7;color:var(--ink-3);border-left:3px solid var(--brand-light);padding-left:12px;margin-bottom:16px;}
.case-meta{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px;font-size:12.5px;color:var(--ink-3);}
.case-meta i{color:var(--brand-light);margin-right:5px;}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--dark);background-image:radial-gradient(circle at 88% 12%,rgba(122,63,134,.4),transparent 55%);color:#F6EDF2;padding:88px 0;}
.stats-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;}
.stats-band h2{font-size:clamp(23px,2.8vw,34px);color:#fff;margin-bottom:18px;}
.stats-band h2::before{content:"";display:block;width:26px;height:4px;border-radius:2px;background:var(--grad);margin-bottom:16px;}
.stats-band p{font-size:15px;line-height:1.9;color:#CDBCCB;max-width:420px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:0 20px;border-left:1px solid rgba(185,139,196,.25);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-family:var(--font-serif);font-size:clamp(30px,3.2vw,42px);line-height:1.1;color:var(--copper);font-weight:700;}
.stat-label{font-size:13px;color:#B7A3B6;margin-top:8px;letter-spacing:.02em;}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px;}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:28px 22px 24px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.flow-num{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;font-family:var(--font-serif);font-size:14px;display:grid;place-items:center;margin-bottom:16px;}
.flow-step h3{font-size:18px;color:var(--brand-deep);margin-bottom:10px;}
.flow-step p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;margin-top:34px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:var(--brand-light);}
.faq-item.open{box-shadow:var(--shadow-1);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;text-align:left;padding:20px 24px;font-family:var(--font-serif);font-size:17.5px;font-weight:600;color:var(--ink);}
.faq-q i{color:var(--brand);flex:none;transition:transform .28s ease;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.open .faq-a{max-height:460px;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-2);background:linear-gradient(180deg,transparent,var(--bg-alt));}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-band{background:var(--grad);border-radius:24px;padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;box-shadow:0 20px 44px rgba(122,63,134,.24);}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;line-height:1.85;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#CDBCCB;padding:72px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-name{color:#F6EDF2;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A995A8;margin:16px 0 20px;max-width:320px;}
.socials{display:flex;gap:12px;}
.socials a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(185,139,196,.35);display:grid;place-items:center;color:#CDBCCB;transition:all .22s ease;}
.socials a:hover{background:var(--grad);border-color:transparent;color:#fff;transform:translateY(-2px);}
.footer-col h3{font-family:var(--font-serif);font-size:16px;font-weight:600;color:#F6EDF2;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{color:#CDBCCB;transition:color .2s ease;}
.footer-col a:hover{color:#F5B6A8;}
.footer-col li{color:#A995A8;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;border-top:1px solid rgba(185,139,196,.2);padding:20px 0 28px;font-size:12.5px;color:#8E7B90;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .header-inner{grid-template-columns:1fr auto 1fr;height:60px;gap:12px;}
  .nav-left{display:none;}
  .nav-right{gap:10px;}
  .nav-right .nav-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand{grid-column:2;justify-self:center;}
  .nav-right{grid-column:3;justify-self:end;}
  .header-cta{display:inline-flex;height:38px;padding:0 16px;font-size:13.5px;}
  .site-header.nav-open .header-inner{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;height:auto;padding-top:16px;padding-bottom:26px;gap:10px 26px;align-items:start;}
  .site-header.nav-open .brand{grid-column:1 / -1;grid-row:1;justify-self:start;}
  .site-header.nav-open .nav-left{display:flex;grid-column:1;grid-row:2;flex-direction:column;align-items:flex-start;gap:6px;}
  .site-header.nav-open .nav-right{grid-column:2;grid-row:2;flex-direction:column;align-items:flex-start;gap:6px;justify-self:stretch;}
  .site-header.nav-open .nav-right .nav-link{display:block;width:100%;padding:9px 0;}
  .site-header.nav-open .nav-toggle{position:absolute;top:8px;right:0;}
  .site-header.nav-open .header-cta{width:100%;margin-top:12px;height:44px;font-size:14.5px;}
  .case-grid{columns:2;}
  .stats-inner{grid-template-columns:1fr;gap:36px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .page-hero{padding:56px 0 52px;}
  .case-grid{columns:1;}
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch;}
  .data-badge{flex:none;}
  .cta-band{padding:38px 26px;border-radius:20px;}
  .cta-wrap{padding-bottom:64px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .header-cta{display:none;}
  .stats-band{padding:64px 0;}
  .site-header.nav-open .header-cta{display:inline-flex;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .brand-name{font-size:18px;}
  .brand-mark{width:26px;height:26px;}
  .stat-grid{grid-template-columns:1fr;gap:24px;}
  .stat-item{border-left:0;padding-left:0;padding-bottom:20px;border-bottom:1px solid rgba(185,139,196,.2);}
  .stat-item:last-child{border-bottom:0;padding-bottom:0;}
  .flow-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 20px;}
  .case-body{padding:18px;}
  .cta-band h2{font-size:21px;}
  .btn{height:46px;padding:0 22px;font-size:14.5px;}
}

/* roulang page: category5 */
:root{
  --ink:#2A1E2E;
  --ink-2:#5C4A5F;
  --plum-900:#4A2350;
  --plum:#7A3F86;
  --plum-300:#B98BC4;
  --coral:#E4657A;
  --coral-200:#F3B7C0;
  --copper:#D9A45B;
  --bg:#FDFAF7;
  --bg-alt:#F5EEF2;
  --line:#E7DBE2;
  --dark:#2A1E2E;
  --dark-2:#3A2740;
  --grad:linear-gradient(135deg,#7A3F86,#E4657A);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(42,30,46,.06);
  --sh-2:0 12px 30px rgba(74,35,80,.12);
  --font-title:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-title);
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.3;
  color:var(--plum-900);
}
p{margin:0}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(74,35,80,.09)}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height .24s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-left{justify-self:start}
.nav-right{justify-self:end}
.nav-link{
  position:relative;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;
  background:var(--grad);
  transition:width .24s ease;
}
.nav-link:hover{color:var(--plum-900)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--plum-900);font-weight:600}
.nav-link.active::after{width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{
  position:relative;
  width:30px;height:30px;border-radius:50%;
  background:var(--grad);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;
  border:1.5px solid rgba(253,250,247,.85);
  border-radius:50%;
}
.brand-name{
  font-family:var(--font-title);
  font-size:21px;font-weight:700;
  letter-spacing:.02em;
  color:var(--plum-900);
  white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;
  border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(228,101,122,.26)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 14px 28px rgba(122,63,134,.24)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--plum-900);border:1px solid var(--plum-300)}
.btn-ghost:hover{background:var(--bg-alt)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.header-cta{margin-left:6px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--plum-900);
  background:#fff;
  margin-left:8px;
}
.nav-toggle:hover{background:var(--bg-alt)}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:90;
  visibility:hidden;opacity:0;
  transition:opacity .24s ease,visibility .24s ease;
}
.drawer.is-open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(42,30,46,.4)}
.drawer-panel{
  position:relative;
  background:var(--bg);
  padding:20px 24px 28px;
  border-radius:0 0 24px 24px;
  transform:translateY(-100%);
  transition:transform .3s cubic-bezier(.22,.7,.3,1);
  box-shadow:0 18px 40px rgba(42,30,46,.18);
}
.drawer.is-open .drawer-panel{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--plum-900)}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.drawer-links a{
  display:block;
  padding:12px 4px;
  font-size:16px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--plum-900);font-weight:600}
.drawer-links a:hover{color:var(--plum)}
.drawer-foot{margin-top:22px}
.drawer-foot .btn{width:100%}

/* ---------- breadcrumb & page hero ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  padding-top:24px;
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--plum)}
.breadcrumb .sep{color:var(--plum-300)}
.breadcrumb .current{color:var(--plum-900);font-weight:600}

.page-hero{
  position:relative;
  background:linear-gradient(120deg,rgba(253,250,247,.95),rgba(245,238,242,.88)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  padding:16px 0 64px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;right:-90px;top:-60px;
  width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(185,139,196,.35);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  margin-top:26px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--coral);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad);display:inline-block}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  margin:14px 0 16px;
}
.hero-sub{
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:560px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  border-radius:999px;
  background:rgba(122,63,134,.08);
  color:var(--plum-900);
  font-size:13px;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease;
}
.chip:hover{background:rgba(122,63,134,.18)}
.chip.is-active{background:var(--grad);color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

.quick-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.quick-card .thumb{position:relative;aspect-ratio:16/10;background:var(--bg-alt)}
.quick-card .thumb img{width:100%;height:100%;object-fit:cover}
.quick-card .thumb .tag{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(42,30,46,.72);
  color:#FDFAF7;font-size:12px;
}
.quick-body{padding:20px 22px 22px}
.quick-body h3{font-size:18px;margin-bottom:12px}
.quick-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:10px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  color:var(--ink-2);
}
.quick-list li:last-child{border-bottom:0;padding-bottom:0}
.quick-list strong{font-family:var(--font-title);color:var(--plum-900);font-size:16px}

/* ---------- stat strip ---------- */
.stat-strip{
  margin:-34px 0 0;
  position:relative;z-index:5;
}
.stat-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat-item{
  padding:22px 24px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0}
.stat-num{
  font-family:var(--font-title);
  font-size:36px;font-weight:700;line-height:1.1;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px}

/* ---------- section base ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  position:relative;
  padding-top:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:0;
  width:38px;height:4px;border-radius:4px;background:var(--grad);
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.9}

/* ---------- FAQ layout ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:272px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.toc{
  position:sticky;top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.toc h2{
  font-size:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
  margin-bottom:12px;
}
.toc-list li{margin-bottom:4px}
.toc-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:10px 12px 10px 14px;
  border-radius:12px;
  font-size:14px;
  color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease;
}
.toc-link::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;
  width:3px;border-radius:3px;background:var(--grad);
  opacity:0;transition:opacity .2s ease;
}
.toc-link:hover{background:var(--bg-alt);color:var(--plum-900)}
.toc-link.is-active{background:var(--bg-alt);color:var(--plum-900);font-weight:600}
.toc-link.is-active::before{opacity:1}
.toc-index{
  font-family:var(--font-title);
  font-size:12px;color:var(--plum-300);
}
.toc-side{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.toc-side h3{font-size:15px;margin-bottom:8px}
.toc-side p{font-size:13px;color:var(--ink-2);line-height:1.8}
.toc-side .hotline{
  display:block;
  font-family:var(--font-title);
  font-size:19px;font-weight:700;
  color:var(--plum);
  margin:8px 0 14px;
}
.toc-side .btn{width:100%;height:44px;font-size:14px}
.toc-mini{width:100%;border-radius:12px;margin-bottom:14px;aspect-ratio:4/3;object-fit:cover;background:var(--bg-alt)}

.faq-group{padding-top:8px}
.faq-group + .faq-group{margin-top:36px;padding-top:32px;border-top:1px solid var(--line)}
.faq-group h2{
  font-size:clamp(20px,2.2vw,26px);
  display:flex;align-items:center;gap:12px;
}
.faq-group h2 .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--grad);
  flex:0 0 auto;
}
.faq-group .group-note{
  font-size:14px;color:var(--ink-2);
  margin:10px 0 20px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--plum-300);box-shadow:var(--sh-1)}
.faq-item:hover{border-color:var(--plum-300)}
.faq-q{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 22px;
  cursor:pointer;
  list-style:none;
  font-family:var(--font-title);
  font-size:17px;font-weight:600;line-height:1.6;
  color:var(--plum-900);
}
.faq-q::-webkit-details-marker{display:none}
.faq-q .q-text{flex:1}
.faq-q .q-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(122,63,134,.08);
  color:var(--plum);
  font-size:12px;
  transition:transform .24s ease,background-color .24s ease;
}
.faq-item[open] .q-icon{transform:rotate(180deg);background:rgba(228,101,122,.14);color:var(--coral)}
.faq-a{
  margin:0 14px 16px;
  padding:16px 20px;
  background:var(--bg-alt);
  border-radius:var(--r-sm);
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
}
.faq-a strong{color:var(--plum-900);font-weight:600}

/* ---------- steps + media block ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  margin-top:8px;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-no{
  font-family:var(--font-title);
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--coral);
}
.step h3{font-size:17px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8}
.step::after{
  content:"";position:absolute;right:-13px;top:38px;
  width:22px;height:1px;background:var(--plum-300);
}
.step:last-child::after{display:none}

.media-block{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:42px;
  align-items:center;
  margin-top:56px;
}
.media-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-alt);
  box-shadow:var(--sh-1);
}
.media-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.media-figure:hover img{transform:scale(1.04)}
.media-copy h3{font-size:clamp(20px,2.4vw,27px);margin-bottom:14px}
.media-copy p{color:var(--ink-2);font-size:15px;line-height:1.9}
.point-list{margin-top:20px}
.point-list li{
  display:flex;gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);
}
.point-list li:last-child{border-bottom:0}
.point-list i{color:var(--plum);margin-top:5px;font-size:13px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:20px;
  font-size:14px;font-weight:600;
  color:var(--plum);
}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--grad);
  border-radius:24px;
  padding:56px 48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(122,63,134,.2);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;line-height:1.9;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-primary{background:#fff;color:var(--plum-900);box-shadow:0 10px 24px rgba(42,30,46,.16)}
.cta-band .btn-primary:hover{filter:none;background:#FDFAF7}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(253,250,247,.78);padding:72px 0 0;margin-top:88px}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
}
.footer-brand .brand-name{color:#FDFAF7}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(253,250,247,.7);max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(253,250,247,.24);
  color:rgba(253,250,247,.85);
  font-size:14px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.socials a:hover{background:rgba(228,101,122,.24);border-color:var(--coral-200);color:#fff}
.footer-col h3{
  font-size:16px;color:#FDFAF7;margin-bottom:16px;
  font-family:var(--font-title);
}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a{color:rgba(253,250,247,.72)}
.footer-col a:hover{color:var(--coral-200)}
.footer-bottom{
  margin-top:52px;
  padding:22px 0;
  border-top:1px solid rgba(253,250,247,.14);
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  font-size:12.5px;
  color:rgba(253,250,247,.58);
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .nav-side{gap:20px}
  .brand-name{font-size:20px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-left .nav-link,.nav-right .nav-link{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding-bottom:48px}
  .stat-inner{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static;padding:18px}
  .toc-list{
    display:flex;gap:10px;
    overflow-x:auto;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .toc-list li{margin:0;flex:0 0 auto}
  .toc-link{background:var(--bg-alt);white-space:nowrap;padding:8px 14px}
  .toc-link::before{display:none}
  .toc-side{border-top:1px solid var(--line)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .media-block{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-actions .btn{flex:1 1 160px}
  .cta-band{padding:40px 26px;border-radius:20px}
  .cta-band .btn{flex:1 1 160px}
  .site-footer{margin-top:56px;padding-top:56px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .brand-name{font-size:18px}
  .brand-mark{width:26px;height:26px}
  .stat-inner{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:0}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .drawer-links{grid-template-columns:1fr}
  .stat-strip{margin-top:-24px}
}