/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --brand:#3A1D6E;
  --brand-light:#6C3BE8;
  --nebula:#8A3BE8;
  --orange:#FF7A2F;
  --cyan:#2FD3C0;
  --dark:#17102E;
  --moon:#F7F6FB;
  --white:#FFFFFF;
  --sub-bg:#FAF9FE;
  --text:#1B1630;
  --text-2:#5A5570;
  --text-3:#8A85A0;
  --line:#E7E3F4;
  --line-2:#EFEAFD;
  --grad:linear-gradient(45deg,#3A1D6E 0%,#8A3BE8 58%,#FF7A2F 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 8px 24px rgba(58,29,110,.08);
  --shadow-pop:0 24px 60px rgba(23,16,46,.18);
  --max:1200px;
  --sec-pc:88px;
  --sec-mb:56px;
}
/* ===== 基础 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--moon);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-light);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--nebula);}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-pc) 0;}
.section--tight{padding:64px 0;}
.section--sub{background:var(--sub-bg);}

/* 覆盖 Foundation 默认 */
body,button,input,select,textarea{font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.reveal{border-radius:var(--r-lg);border:none;box-shadow:var(--shadow-pop);padding:0;}

/* ===== 头部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);transition:background .25s ease,box-shadow .25s ease;}
.site-header.is-scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 4px 18px rgba(58,29,110,.08);}
.site-topline{height:3px;background:var(--grad);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.logo:hover{color:var(--brand);}
.logo-mark{width:34px;height:34px;flex:0 0 34px;}
.logo-text{font-size:19px;font-weight:800;line-height:1.1;display:flex;flex-direction:column;}
.logo-sub{font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:2px;line-height:1.4;}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text-2);}
.nav-link:hover{background:var(--line-2);color:var(--brand);}
.nav-link.is-active{background:var(--line-2);color:var(--brand);}
.nav-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--orange);}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:90;background:var(--white);display:flex;flex-direction:column;padding:0 20px 32px;transform:translateY(-102%);transition:transform .3s ease;overflow-y:auto;}
.mobile-drawer.is-open{transform:translateY(0);}
.mobile-drawer__head{display:flex;align-items:center;justify-content:space-between;height:60px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);color:var(--brand);font-size:18px;}
.mobile-drawer__nav{display:flex;flex-direction:column;padding:16px 0;}
.mobile-drawer__nav a{padding:14px 4px;border-bottom:1px solid var(--line-2);font-size:16px;font-weight:600;color:var(--text-2);}
.mobile-drawer__nav a.is-active{color:var(--brand);}
.mobile-drawer__note{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.7;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 26px;border-radius:14px;font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;white-space:nowrap;}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(108,59,232,.28);}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(108,59,232,.36);filter:brightness(1.06);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:var(--white);border-color:var(--line);color:var(--brand);}
.btn--ghost:hover{background:var(--line-2);color:var(--brand);transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 20px;font-size:14px;}
.btn--block{width:100%;}
.btn--text{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--brand-light);font-weight:700;font-size:15px;border-bottom:2px solid transparent;}
.btn--text:hover{color:var(--brand);border-bottom-color:var(--orange);}

/* ===== Hero ===== */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:72px 0 76px;}
.hero__bg{position:absolute;inset:0;background-image:
  radial-gradient(1.6px 1.6px at 8% 18%,rgba(255,255,255,.85) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 22% 66%,rgba(255,255,255,.7) 50%,transparent 51%),
  radial-gradient(1.8px 1.8px at 41% 12%,rgba(255,255,255,.75) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 58% 78%,rgba(255,255,255,.6) 50%,transparent 51%),
  radial-gradient(1.6px 1.6px at 73% 30%,rgba(255,255,255,.8) 50%,transparent 51%),
  radial-gradient(1.3px 1.3px at 88% 62%,rgba(255,255,255,.65) 50%,transparent 51%),
  radial-gradient(1.5px 1.5px at 95% 14%,rgba(255,255,255,.7) 50%,transparent 51%),
  radial-gradient(1.2px 1.2px at 33% 88%,rgba(255,255,255,.55) 50%,transparent 51%);
  opacity:.12;pointer-events:none;}
.hero__glow{position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(138,59,232,.45) 0%,rgba(138,59,232,0) 68%);pointer-events:none;}
.hero__arc{position:absolute;left:-120px;bottom:-180px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(47,211,192,.22);pointer-events:none;}
.hero__inner{position:relative;z-index:2;}
.hero__copy{max-width:600px;}
.hero__tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;border:1px solid rgba(47,211,192,.55);background:rgba(47,211,192,.1);color:#B8F3EC;font-size:13px;font-weight:600;margin-bottom:22px;}
.hero__title{font-size:42px;font-weight:800;line-height:1.28;color:#fff;letter-spacing:0;}
.hero__sub{margin-top:16px;font-size:18px;font-weight:600;color:#D9D3F2;}
.hero__desc{margin-top:16px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);max-width:560px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__actions .btn--ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.hero__actions .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.hero__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero__points li{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.86);}
.hero__points i{color:var(--cyan);font-size:12px;}
.hero__media-card{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 60px rgba(23,16,46,.5);background:var(--line-2);}
.hero__media-card img{width:100%;height:380px;object-fit:cover;}
.hero__media-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,16,46,.05) 0%,rgba(23,16,46,.5) 100%);}
.hero__media-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;font-size:14px;font-weight:600;line-height:1.6;}

/* ===== 通用板块头部 ===== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head__left{max-width:680px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-light);letter-spacing:1px;margin-bottom:12px;}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--orange);}
.section-title{font-size:30px;font-weight:800;}
.section-desc{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ===== 痛点问题区 ===== */
.pain-card{height:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.pain-card:hover{transform:translateY(-4px);border-color:#DCD4F6;box-shadow:0 16px 36px rgba(58,29,110,.12);}
.pain-card__icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--line-2);color:var(--brand-light);font-size:17px;margin-bottom:18px;}
.pain-card h3{font-size:18px;line-height:1.5;}
.pain-card p{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.85;flex:1 1 auto;}
.pain-card .btn--text{margin-top:14px;font-size:14px;}

/* ===== 方案卡片组 ===== */
.plan-wide{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-card);height:100%;display:flex;flex-direction:column;position:relative;}
.plan-wide::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.plan-wide__img{height:236px;background:var(--line-2);}
.plan-wide__img img{width:100%;height:100%;object-fit:cover;}
.plan-wide__body{padding:28px;display:flex;flex-direction:column;flex:1 1 auto;}
.plan-badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--line-2);color:var(--brand);font-size:12px;font-weight:700;margin-bottom:14px;align-self:flex-start;}
.plan-wide h3{font-size:20px;}
.plan-wide p{margin-top:12px;font-size:15px;color:var(--text-2);}
.plan-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.plan-list i{color:var(--orange);font-size:12px;margin-top:8px;}
.plan-wide .btn--text{margin-top:auto;padding-top:18px;}
.plan-stack{display:flex;flex-direction:column;gap:24px;height:100%;}
.plan-mini{flex:1 1 0;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-card);display:flex;gap:18px;align-items:flex-start;transition:transform .2s ease,box-shadow .2s ease;}
.plan-mini:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(58,29,110,.12);}
.plan-mini__thumb{width:72px;height:72px;flex:0 0 72px;border-radius:14px;overflow:hidden;background:var(--line-2);}
.plan-mini__thumb img{width:100%;height:100%;object-fit:cover;}
.plan-mini h3{font-size:18px;}
.plan-mini p{margin-top:10px;font-size:14px;color:var(--text-2);}
.plan-mini .btn--text{margin-top:8px;font-size:14px;}

/* ===== 数据徽章带 ===== */
.stats-band{position:relative;border-radius:var(--r-lg);background:linear-gradient(120deg,#241549 0%,#3A1D6E 48%,#5B2AB5 100%);padding:44px 32px;overflow:hidden;}
.stats-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.stats-band__stars{position:absolute;inset:0;background-image:
  radial-gradient(1.4px 1.4px at 14% 30%,rgba(255,255,255,.8) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 38% 72%,rgba(255,255,255,.7) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 66% 24%,rgba(255,255,255,.75) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 86% 68%,rgba(255,255,255,.7) 50%,transparent 51%);
  opacity:.1;pointer-events:none;}
.stat-badge{position:relative;z-index:2;border:1px solid rgba(47,211,192,.5);background:rgba(47,211,192,.08);border-radius:var(--r-md);padding:22px 20px;height:100%;}
.stat-badge__num{font-size:28px;font-weight:800;color:#fff;line-height:1.1;}
.stat-badge__num span{font-size:14px;font-weight:600;color:#9EE9DF;margin-left:6px;}
.stat-badge__txt{margin-top:10px;font-size:13px;color:rgba(255,255,255,.75);line-height:1.6;}

/* ===== 最新信息 ===== */
.news-card{height:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;display:flex;}
.news-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(58,29,110,.12);}
.news-card__link{display:flex;flex-direction:column;width:100%;color:inherit;}
.news-card__link:hover{color:inherit;}
.news-card__cover{display:block;height:170px;background:var(--line-2);overflow:hidden;}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-card__cover img{transform:scale(1.04);}
.news-card__body{display:block;padding:22px;flex:1 1 auto;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--line-2);color:var(--brand);font-size:12px;font-weight:700;}
.news-card__title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:14px;font-size:17px;font-weight:700;line-height:1.55;}
.news-card__desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;}
.news-card__meta{display:block;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2);font-size:13px;color:var(--text-3);}
.news-empty{margin:0 auto;max-width:520px;text-align:center;background:var(--white);border:1px dashed var(--line);border-radius:var(--r-md);padding:48px 28px;}
.news-empty__icon{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:22px;background:var(--sub-bg);}
.news-empty p{font-size:15px;color:var(--text-2);}
.news-empty .btn{margin-top:20px;}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:16px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:#D9CFF7;box-shadow:var(--shadow-card);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;background:transparent;border:none;text-align:left;font-size:17px;font-weight:700;color:var(--text);min-height:44px;}
.faq-q:hover{color:var(--brand-light);}
.faq-icon{flex:0 0 26px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);color:var(--brand-light);display:flex;align-items:center;justify-content:center;font-size:13px;transition:transform .25s ease,background .25s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--line-2);}
.faq-a{display:none;padding:0 24px 24px;background:var(--sub-bg);font-size:15px;color:var(--text-2);line-height:1.85;}
.faq-item.is-open .faq-a{display:block;padding-top:18px;}

/* ===== 表单 ===== */
.lead-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-card);padding:36px;}
.lead-wrap h3{font-size:22px;}
.lead-wrap>p{margin-top:12px;font-size:14px;color:var(--text-2);}
.lead-form{margin-top:26px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.req{color:var(--orange);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;}
.field textarea{min-height:110px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(108,59,232,.14);}
.privacy{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3);line-height:1.7;}
.privacy input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand-light);flex:0 0 16px;}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);}
.form-msg{margin-top:14px;font-size:14px;color:#1F8F80;display:none;}
.form-msg.is-show{display:block;}

/* ===== 侧栏说明卡 ===== */
.side-card{background:var(--sub-bg);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;}
.side-card h4{font-size:16px;}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:12px;font-size:14px;color:var(--text-2);line-height:1.7;}
.side-list i{color:var(--cyan);margin-top:7px;font-size:12px;}

/* ===== CTA 条 ===== */
.cta-band{position:relative;border-radius:var(--r-lg);background:linear-gradient(120deg,#2A1750 0%,#3A1D6E 52%,#6C3BE8 100%);padding:44px 36px;overflow:hidden;color:#fff;}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.76);}
.cta-band .btn--ghost{background:transparent;border-color:rgba(255,255,255,.38);color:#fff;}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.site-footer__stars{position:absolute;inset:0;background-image:
  radial-gradient(1.4px 1.4px at 10% 24%,rgba(255,255,255,.8) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 34% 62%,rgba(255,255,255,.65) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 62% 28%,rgba(255,255,255,.7) 50%,transparent 51%),
  radial-gradient(1.4px 1.4px at 84% 70%,rgba(255,255,255,.6) 50%,transparent 51%);
  opacity:.08;pointer-events:none;}
.footer-inner{position:relative;z-index:2;}
.footer-brandline{display:flex;align-items:center;gap:10px;}
.footer-brandline .logo-text{color:#fff;}
.footer-brandline .logo-sub{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:1px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.7);}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}

/* ===== 吸底 CTA ===== */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(58,29,110,.08);}
.sticky-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;padding-bottom:12px;}
.sticky-cta__text{font-size:14px;color:var(--text-2);}
.sticky-cta__text strong{display:block;font-size:15px;color:var(--text);font-weight:700;}
.sticky-cta__actions{display:flex;gap:12px;flex:0 0 auto;}

/* ===== 模态表单 ===== */
.lead-modal{width:min(560px,92vw);padding:32px;}
.lead-modal__head h3{font-size:21px;}
.lead-modal__head p{margin-top:10px;font-size:14px;color:var(--text-2);}
.lead-modal .close-button{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;background:var(--line-2);color:var(--brand);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;}
.lead-modal .close-button:hover{background:#E4DCFA;}
.lead-modal .lead-form{margin-top:22px;}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn{display:none;}
  .hero{padding:56px 0 60px;}
  .hero__title{font-size:34px;}
  .hero__media{margin-top:36px;}
  .hero__media-card img{height:300px;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .plan-stack{margin-top:24px;}
  .sticky-cta__inner{flex-direction:row;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  .nav-inner{height:60px;}
  .logo-text{font-size:17px;}
  .hero{padding:44px 0 52px;}
  .hero__title{font-size:28px;}
  .hero__sub{font-size:16px;}
  .hero__desc{font-size:14px;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .hero__media-card img{height:220px;}
  .section{padding:var(--sec-mb) 0;}
  .section-title{font-size:24px;}
  .section-desc{font-size:14px;}
  .pain-card,.plan-mini,.lead-wrap{padding:20px;}
  .plan-mini{flex-direction:column;}
  .plan-mini__thumb{width:100%;height:150px;flex:0 0 150px;}
  .stats-band{padding:28px 18px;}
  .stat-badge__num{font-size:22px;}
  .cta-band{padding:30px 20px;}
  .cta-band h2{font-size:21px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a{padding:0 18px 20px;}
  .sticky-cta__inner{flex-direction:column;align-items:stretch;gap:10px;}
  .sticky-cta__actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;}
  .lead-modal{padding:24px 20px;}
  body{padding-bottom:132px;}
}
@media screen and (max-width:520px){
  .hero__points li{font-size:12px;}
  .btn{padding:0 20px;font-size:14px;}
}

/* roulang page: article */
:root{
  --brand:#3A1D6E;
  --brand-light:#6C3BE8;
  --nebula:#8A3BE8;
  --accent:#FF7A2F;
  --teal:#2FD3C0;
  --night:#17102E;
  --bg:#F7F6FB;
  --bg-2:#FAF9FE;
  --card:#FFFFFF;
  --ink:#1B1630;
  --ink-2:#5A5570;
  --ink-3:#8A85A0;
  --line:#E7E3F4;
  --line-2:#EFEAFD;
  --grad:linear-gradient(45deg,#3A1D6E 0%,#8A3BE8 55%,#FF7A2F 100%);
  --grad-soft:linear-gradient(45deg,#EFEAFD 0%,#FDF1E8 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 8px 24px rgba(58,29,110,.08);
  --shadow-pop:0 24px 60px rgba(23,16,46,.18);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-light);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:30px;}
.section-head p{margin-top:8px;color:var(--ink-2);font-size:15px;max-width:640px;}
.link-more{
  font-size:14px;
  font-weight:700;
  color:var(--brand-light);
  border-bottom:1px solid transparent;
  text-decoration:underline;
  text-underline-offset:4px;
  white-space:nowrap;
}
.link-more:hover{border-bottom-color:var(--accent);color:var(--accent);}

/* ============ 按钮 / 标签 / 徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:14px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
  text-align:center;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(108,59,232,.24);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(108,59,232,.32);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:var(--line);
}
.btn-ghost:hover{background:var(--line-2);color:var(--brand-light);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px;border-radius:12px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--line-2);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  line-height:1;
}
.badge-stat{
  border:1px solid var(--teal);
  background:rgba(47,211,192,.08);
  border-radius:16px;
  padding:18px 20px;
}
.badge-stat strong{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--brand);
  line-height:1.2;
}
.badge-stat span{display:block;font-size:13px;color:var(--ink-2);margin-top:4px;}

/* ============ 顶部品牌线 + 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(10px);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header::before{
  content:"";
  display:block;
  height:3px;
  background:var(--grad);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,16,46,.08);background:rgba(255,255,255,.94);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{width:34px;height:34px;flex-shrink:0;}
.logo-text{
  font-size:19px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:.5px;
  line-height:1.1;
  display:flex;
  align-items:baseline;
  gap:4px;
}
.logo-sub{
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  color:var(--ink-2);
  font-size:15px;
  font-weight:600;
  transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--line-2);color:var(--brand);}
.nav-link.is-active{background:var(--line-2);color:var(--brand);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:2px;
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);}
.nav-toggle:hover{background:var(--line-2);}
.mobile-drawer{
  position:fixed;
  inset:0;
  background:#fff;
  z-index:80;
  transform:translateX(102%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  padding:20px 24px 32px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;cursor:pointer;color:var(--brand);
}
.drawer-close:hover{background:var(--line-2);}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-links a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:12px;
  color:var(--ink);
  font-weight:600;
  background:var(--bg-2);
}
.drawer-links a.is-active{background:var(--line-2);color:var(--brand);}
.drawer-links a:hover{background:var(--line-2);color:var(--brand);}
.drawer-note{font-size:13px;color:var(--ink-3);margin-top:16px;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:36px 0 44px;
}
.article-hero__bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.07;
  pointer-events:none;
}
.article-hero__inner{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand-light);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{
  max-width:280px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--ink-3);
}
.article-hero h1{
  font-size:42px;
  font-weight:800;
  margin:14px 0 18px;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
  font-size:14px;
  color:var(--ink-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-cover{
  margin-top:32px;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  background:var(--line-2);
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ============ 文章正文 ============ */
.article-main{padding:64px 0 8px;}
.article-shell{max-width:760px;margin:0 auto;}
.article-content{color:#332D4A;font-size:16px;line-height:1.8;}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 22px;}
.article-content h2{
  font-size:30px;
  font-weight:800;
  color:var(--ink);
  margin:44px 0 18px;
  padding-left:14px;
  border-left:4px solid var(--accent);
}
.article-content h3{
  font-size:20px;
  font-weight:700;
  color:var(--brand-light);
  margin:32px 0 14px;
}
.article-content h4{font-size:17px;margin:26px 0 12px;color:var(--brand);}
.article-content a{
  color:var(--brand-light);
  text-decoration:underline;
  text-underline-offset:4px;
}
.article-content a:hover{color:var(--accent);}
.article-content strong{color:var(--ink);font-weight:700;}
.article-content blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--line-2);
  border-left:4px solid var(--brand-light);
  border-radius:0 14px 14px 0;
  color:var(--brand);
  font-size:15.5px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:4px;list-style:none;}
.article-content li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand-light);
}
.article-content ol{counter-reset:li;}
.article-content ol li::before{
  counter-increment:li;
  content:counter(li);
  position:absolute;
  left:0;top:2px;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--line-2);
  color:var(--brand);
  font-size:11px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
}
.article-content img{
  width:100%;
  border-radius:var(--r-md);
  margin:26px auto 10px;
  background:var(--line-2);
}
.article-content figure{margin:26px 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
  margin-top:10px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:14.5px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-content thead th{
  background:var(--line-2);
  color:var(--brand);
  font-weight:700;
  text-align:left;
}
.article-content th,.article-content td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content code{
  background:var(--line-2);
  color:var(--brand);
  padding:2px 7px;
  border-radius:8px;
  font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-content pre{
  background:var(--night);
  color:#EDEAF7;
  padding:18px 20px;
  border-radius:var(--r-md);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-content pre code{background:none;color:inherit;padding:0;}
.article-content hr{border:0;height:1px;background:var(--line);margin:34px 0;}

.empty-state{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:48px 28px;
  text-align:center;
  box-shadow:var(--shadow-card);
}
.empty-illus{
  width:110px;height:78px;
  margin:0 auto 20px;
  border-radius:16px;
  background:
    radial-gradient(circle at 22% 30%,rgba(108,59,232,.35) 0 3px,transparent 4px),
    radial-gradient(circle at 68% 62%,rgba(255,122,47,.4) 0 3px,transparent 4px),
    linear-gradient(45deg,#EFEAFD,#FDF1E8);
  border:1px solid var(--line);
}
.empty-state p{color:var(--ink-2);margin-bottom:20px;}

/* ============ 相关推荐卡片 ============ */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.post-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(58,29,110,.14);border-color:#DCD4F5;}
.post-card__link{display:block;color:inherit;height:100%;}
.post-card__link:hover{color:inherit;}
.post-card__cover{background:var(--line-2);overflow:hidden;}
.post-card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-card__cover img{transform:scale(1.04);}
.post-card__body{padding:22px;}
.post-card__body h3{
  font-size:18px;
  font-weight:700;
  margin:12px 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__body p{
  font-size:14.5px;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.post-card__meta{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:10px;}

.article-foot{
  margin-top:52px;
  padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.article-foot .back-list{display:flex;flex-wrap:wrap;gap:10px;}
.chip-link{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.chip-link:hover{background:var(--line-2);color:var(--brand-light);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--night);
  border-radius:24px;
  padding:44px 40px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-pop);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 12% 20%,rgba(108,59,232,.42),transparent 46%),
    radial-gradient(circle at 86% 76%,rgba(255,122,47,.34),transparent 48%);
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:1;max-width:620px;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;}
.cta-band__actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--night);
  color:#fff;
  margin-top:88px;
  padding-top:3px;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad);
}
.site-footer__stars{
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at 14% 22%,rgba(255,255,255,.24) 0 1.5px,transparent 2px),
    radial-gradient(circle at 42% 68%,rgba(255,255,255,.2) 0 1.5px,transparent 2px),
    radial-gradient(circle at 72% 32%,rgba(255,255,255,.22) 0 1.5px,transparent 2px),
    radial-gradient(circle at 88% 76%,rgba(255,255,255,.18) 0 1.5px,transparent 2px);
  opacity:.11;
  pointer-events:none;
}
.footer-inner{position:relative;z-index:1;padding:56px 24px 28px;}
.footer-brandline{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brandline .logo-text{color:#fff;}
.footer-brand p{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.9;max-width:280px;}
.footer-col h4{
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:.5px;
}
.footer-col ul{list-style:none;}
.footer-col li{font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  position:relative;
  z-index:1;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:20px;
  padding:20px 24px 26px;
  max-width:var(--container);
  margin-left:auto;margin-right:auto;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .nav-menu{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;justify-content:space-between;}
  .section{padding:64px 0;}
  .article-hero h1{font-size:30px;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:36px 28px;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:24px;}
  .article-hero{padding:24px 0 32px;}
  .article-hero h1{font-size:28px;margin:12px 0 16px;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .article-main{padding:40px 0 0;}
  .article-content{font-size:15px;}
  .article-content h2{font-size:24px;margin:34px 0 14px;}
  .article-content h3{font-size:18px;}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap;}
  .post-grid{grid-template-columns:1fr;}
  .post-card__body{padding:20px;}
  .cta-band{border-radius:20px;padding:30px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --purple:#3A1D6E;
  --purple-2:#6C3BE8;
  --purple-3:#8A3BE8;
  --orange:#FF7A2F;
  --cyan:#2FD3C0;
  --night:#17102E;
  --moon:#F7F6FB;
  --card:#FFFFFF;
  --sub:#FAF9FE;
  --t1:#1B1630;
  --t2:#5A5570;
  --t3:#8A85A0;
  --line:#E7E3F4;
  --line-2:#EFEAFD;
  --grad:linear-gradient(45deg,#3A1D6E 0%,#8A3BE8 52%,#FF7A2F 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(58,29,110,.08);
  --sh-2:0 24px 60px rgba(23,16,46,.18);
  --sec:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--moon);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--purple-2);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--orange);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec) 0;}
.section--tight{padding:56px 0;}
.section--white{background:var(--card);}
.section--sub{background:var(--sub);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:0;}
.section-head p{margin-top:14px;color:var(--t2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 14px;border-radius:999px;
  background:var(--line-2);color:var(--purple);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  box-shadow:0 6px 20px rgba(58,29,110,.08);
}
.brand-line{height:3px;background:var(--grad);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:34px;height:34px;flex:0 0 auto;}
.logo-text{
  font-size:19px;font-weight:800;color:var(--purple);
  letter-spacing:.5px;line-height:1;
  display:inline-flex;align-items:baseline;gap:6px;
}
.logo-sub{
  font-size:12px;font-weight:600;color:var(--t3);
  letter-spacing:.5px;
}
.nav-menu{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;margin-right:auto;
}
.nav-link{
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;border-radius:999px;
  font-size:15px;color:var(--t2);font-weight:500;
  position:relative;white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:var(--line-2);color:var(--purple);}
.nav-link.is-active{
  background:var(--line-2);color:var(--purple);font-weight:700;
}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  border-radius:2px;background:var(--orange);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--purple);border-radius:2px;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--purple);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.nav-drawer{
  display:none;
  position:fixed;left:0;right:0;top:63px;bottom:0;
  background:#fff;padding:20px 24px 32px;
  overflow-y:auto;
  border-top:1px solid var(--line);
}
.nav-drawer.is-open{display:block;}
.nav-drawer .drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:var(--r-sm);
  color:var(--t1);font-size:16px;font-weight:600;
  border:1px solid var(--line);margin-bottom:10px;background:#fff;
}
.nav-drawer .drawer-link.is-active{
  background:var(--line-2);color:var(--purple);border-color:#DCD1FB;
}
.nav-drawer .drawer-link::after{content:"›";color:var(--t3);font-size:20px;}
.drawer-note{margin-top:18px;font-size:13px;color:var(--t3);line-height:1.7;}
.drawer-cta{margin-top:18px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 24px;border-radius:14px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 22px rgba(108,59,232,.24);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 16px 30px rgba(108,59,232,.3);
  color:#fff;
}
.btn-ghost{
  background:#fff;color:var(--purple);border-color:var(--line);
}
.btn-ghost:hover{background:var(--line-2);color:var(--purple);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.text-link{
  display:inline-block;color:var(--purple-2);font-weight:600;
  border-bottom:1px solid rgba(108,59,232,.4);
  padding-bottom:2px;
}
.text-link:hover{color:var(--orange);border-bottom-color:var(--orange);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--night);color:#fff;
  padding:52px 0 64px;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.24;
}
.page-hero__glow{
  position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(58,29,110,.86) 0%,rgba(138,59,232,.62) 55%,rgba(255,122,47,.42) 100%);
}
.page-hero__stars{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:120px 120px,180px 180px;
  background-position:0 0,60px 70px;
  opacity:.14;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.6;}
.hero-grid{display:flex;gap:48px;align-items:center;flex-wrap:wrap;}
.hero-copy{flex:1 1 420px;max-width:640px;}
.hero-copy h1{
  font-size:42px;line-height:1.3;font-weight:800;letter-spacing:0;
}
.hero-copy .hero-lead{
  margin-top:18px;font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.82);max-width:540px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;}
.hero-figure{
  flex:1 1 320px;max-width:420px;
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--line-2);
  border:1px solid rgba(255,255,255,.16);
}
.hero-figure img{width:100%;height:300px;object-fit:cover;}
.hero-figure figcaption{
  padding:12px 18px;font-size:13px;color:rgba(255,255,255,.78);
  background:rgba(23,16,46,.55);
}

/* ---------- shared cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
  padding:28px;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
  opacity:.9;
}
.card h3{font-size:18px;font-weight:800;line-height:1.4;}
.card p{margin-top:10px;color:var(--t2);font-size:15px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--line-2);color:var(--purple);
  font-size:13px;font-weight:600;
}
.tag--cyan{border:1px solid var(--cyan);background:rgba(47,211,192,.08);color:#1C7E74;}
.badge{
  border-radius:999px;border:1px solid var(--cyan);
  background:rgba(47,211,192,.08);
  padding:10px 18px;text-align:center;
}
.badge strong{display:block;font-size:26px;font-weight:800;color:var(--purple);line-height:1.2;}
.badge span{font-size:13px;color:var(--t2);}

/* ---------- alternating blocks ---------- */
.alt-row{
  display:flex;align-items:center;gap:56px;
  margin-bottom:72px;
}
.alt-row:last-child{margin-bottom:0;}
.alt-row__media{flex:1 1 420px;border-radius:var(--r-lg);overflow:hidden;background:var(--line-2);box-shadow:var(--sh-1);}
.alt-row__media img{width:100%;height:320px;object-fit:cover;}
.alt-row__body{flex:1 1 420px;}
.alt-row__body h2{font-size:28px;font-weight:800;line-height:1.3;}
.alt-row__body p{margin-top:16px;color:var(--t2);}
.alt-row.is-reverse{flex-direction:row-reverse;}
.alt-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:var(--r-sm);
  background:var(--line-2);color:var(--purple);font-weight:800;
  font-size:15px;margin-bottom:14px;
}
.point-list{margin-top:20px;}
.point-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  color:var(--t2);font-size:15px;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:12px;height:2px;border-radius:2px;background:var(--orange);
}
.point-list li strong{color:var(--t1);font-weight:700;}

/* ---------- checklist ---------- */
.check-grid{display:flex;gap:24px;flex-wrap:wrap;}
.check-card{
  flex:1 1 300px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
}
.check-card h3{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px;}
.check-card h3 i{
  width:10px;height:10px;border-radius:3px;background:var(--grad);display:inline-block;
}
.check-list{margin-top:16px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--t2);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"✓";color:var(--cyan);font-weight:800;line-height:1.6;flex:0 0 auto;
}

/* ---------- steps / progress ---------- */
.steps{
  display:flex;gap:0;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-1);
}
.step{
  flex:1 1 200px;position:relative;padding:0 18px;
}
.step + .step{border-left:1px solid var(--line);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:999px;
  background:var(--line-2);color:var(--purple);font-weight:800;font-size:14px;
  margin-bottom:12px;
}
.step h4{font-size:17px;font-weight:700;}
.step p{margin-top:8px;font-size:14px;color:var(--t2);}
.progress-track{
  height:6px;border-radius:999px;background:var(--line-2);overflow:hidden;margin-bottom:34px;
}
.progress-track i{display:block;height:100%;width:68%;background:var(--grad);border-radius:999px;}

/* ---------- faq ---------- */
.faq-list{max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--t1);
  min-height:44px;
}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  border:1px solid var(--line);color:var(--purple-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;line-height:1;transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--line-2);}
.faq-a{
  display:none;padding:0 24px 22px;color:var(--t2);font-size:15px;
  background:var(--sub);
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- cta + form ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--night);color:#fff;padding:46px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band__glow{
  position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(58,29,110,.9),rgba(138,59,232,.5),rgba(255,122,47,.4));
}
.cta-band__stars{
  position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:110px 110px;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.4;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.82);font-size:15px;max-width:560px;}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}

.form-wrap{
  max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-1);
}
.form-wrap h3{font-size:22px;font-weight:800;}
.form-wrap > p{margin-top:10px;color:var(--t2);font-size:15px;}
.form-grid{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;}
.field{flex:1 1 300px;display:flex;flex-direction:column;}
.field.full{flex:1 1 100%;}
.field label{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:8px;}
.field label .req{color:var(--orange);margin-left:4px;}
.field input,.field select,.field textarea{
  min-height:48px;padding:12px 14px;font-size:15px;color:var(--t1);
  background:#fff;border:1px solid var(--line);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
  font-family:inherit;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--purple-2);
  box-shadow:0 0 0 4px rgba(108,59,232,.12);
  outline:none;
}
.consent{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:var(--t3);margin-top:22px;line-height:1.7;
}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:var(--purple-2);flex:0 0 auto;}
.form-actions{margin-top:24px;}
.form-tip{margin-top:14px;font-size:13px;color:var(--t3);}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:12px;
  background:rgba(47,211,192,.1);border:1px solid rgba(47,211,192,.5);
  color:#1C7E74;font-size:14px;
}
.form-msg.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--night);color:rgba(255,255,255,.78);
  padding:0 0 32px;margin-top:0;
}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad);}
.site-footer__stars{
  position:absolute;inset:0;opacity:.1;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   radial-gradient(rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:140px 140px,200px 200px;
  background-position:0 0,70px 90px;
}
.footer-inner{position:relative;z-index:2;padding-top:60px;}
.footer-brandline{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{font-size:13px;margin-bottom:10px;color:rgba(255,255,255,.7);}
.footer-col ul li a{color:rgba(255,255,255,.7);}
.footer-col ul li a:hover{color:#fff;opacity:1;}
.footer-bottom{
  position:relative;z-index:2;
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  :root{--sec:64px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .hero-copy h1{font-size:32px;}
  .alt-row{gap:36px;margin-bottom:56px;}
  .alt-row__media img{height:280px;}
  .alt-row__body h2{font-size:24px;}
  .step + .step{border-left:0;border-top:1px solid var(--line);padding-top:20px;margin-top:20px;}
  .step{padding:0 4px;}
  .section-head h2{font-size:26px;}
}
@media screen and (max-width:640px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  body{font-size:15px;}
  .header-inner{height:60px;gap:12px;}
  .logo-text{font-size:17px;}
  .logo-sub{font-size:11px;}
  .nav-drawer{top:63px;}
  .page-hero{padding:36px 0 48px;}
  .hero-copy h1{font-size:28px;}
  .hero-copy .hero-lead{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .hero-figure{max-width:100%;}
  .hero-figure img{height:220px;}
  .alt-row{flex-direction:column;gap:22px;margin-bottom:44px;}
  .alt-row.is-reverse{flex-direction:column;}
  .alt-row__media{width:100%;}
  .alt-row__media img{height:220px;}
  .alt-row__body h2{font-size:21px;}
  .card{padding:20px;}
  .check-card{padding:20px;}
  .cta-band{padding:30px 22px;}
  .cta-band h2{font-size:21px;}
  .cta-band .btn{width:100%;}
  .form-wrap{padding:22px;}
  .form-actions .btn{width:100%;}
  .badge{width:100%;}
  .section-head h2{font-size:22px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand-1:#3A1D6E;
  --brand-2:#6C3BE8;
  --brand-3:#8A3BE8;
  --accent:#FF7A2F;
  --teal:#2FD3C0;
  --deep:#17102E;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --sub:#FAF9FE;
  --text:#1B1630;
  --text-2:#5A5570;
  --text-3:#8A85A0;
  --line:#E7E3F4;
  --line-2:#EFEAFD;
  --grad:linear-gradient(45deg,#3A1D6E 0%,#8A3BE8 52%,#FF7A2F 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(58,29,110,.08);
  --sh-2:0 24px 60px rgba(23,16,46,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-1);}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.3;font-weight:800;color:var(--text);}
h1{font-size:42px;}
h2{font-size:30px;}
h3{font-size:20px;}
h4{font-size:18px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200;}
.skip-link:focus{left:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--sub{background:var(--sub);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-2);letter-spacing:.02em;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent);}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(58,29,110,.10);}
.brand-line{height:3px;background:var(--grad);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:69px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:34px;height:34px;flex:0 0 auto;}
.logo-text{font-size:19px;font-weight:800;color:var(--brand-1);letter-spacing:.01em;white-space:nowrap;}
.logo-sub{font-size:12px;font-weight:600;color:var(--text-3);margin-left:6px;letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;font-size:15px;color:var(--text-2);transition:background .22s ease,color .22s ease;}
.nav-link:hover{background:var(--line-2);color:var(--brand-1);}
.nav-link.is-active{background:var(--line-2);color:var(--brand-1);font-weight:700;}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;cursor:pointer;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-1);border-radius:2px;position:relative;transition:.25s;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-1);border-radius:2px;transition:.25s;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.mobile-drawer{display:none;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:14px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;text-align:center;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(108,59,232,.28);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(108,59,232,.34);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-1);}
.btn-ghost:hover{background:var(--line-2);color:var(--brand-1);transform:translateY(-2px);}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-2);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.text-link:hover{color:var(--brand-1);}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--line-2);color:var(--brand-1);font-size:13px;font-weight:700;}

/* 分类页首屏 */
.page-hero{position:relative;background:linear-gradient(180deg,#FFFFFF 0%,#F7F6FB 100%);padding:56px 0 72px;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(58,29,110,.10) 1px,transparent 1px);background-size:34px 34px;opacity:.5;pointer-events:none;}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb .sep{color:var(--line);}
.page-hero h1{font-size:42px;max-width:16em;margin-bottom:18px;}
.lede{font-size:17px;color:var(--text-2);max-width:34em;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:var(--line-2);}
.hero-media img{width:100%;height:340px;object-fit:cover;}
.hero-facts{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-fact{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--teal);background:rgba(47,211,192,.08);font-size:13px;color:var(--brand-1);font-weight:600;}

/* 卡片矩阵 */
.matrix-card{background:var(--card);border-radius:var(--r-md);border:1px solid var(--line);box-shadow:var(--sh-1);padding:28px;height:100%;position:relative;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;}
.matrix-card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .22s ease;}
.matrix-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(58,29,110,.14);}
.matrix-card:hover::before{opacity:1;}
.matrix-icon{width:46px;height:46px;border-radius:14px;background:var(--line-2);display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.matrix-icon svg{width:24px;height:24px;}
.matrix-card h3{font-size:18px;margin-bottom:10px;}
.matrix-card p{font-size:15px;color:var(--text-2);margin-bottom:0;}
.matrix-foot{margin-top:16px;font-size:13px;color:var(--text-3);}

/* 时间线 */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:3px;border-radius:3px;background:linear-gradient(180deg,#3A1D6E,#8A3BE8 55%,#FF7A2F);}
.tl-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 26px;margin-bottom:20px;box-shadow:var(--sh-1);transition:transform .22s ease;}
.tl-item:hover{transform:translateX(4px);}
.tl-item::before{content:"";position:absolute;left:-34px;top:28px;width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--brand-2);box-shadow:0 0 0 4px rgba(108,59,232,.12);}
.tl-step{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.04em;margin-bottom:6px;display:block;}
.tl-item h3{font-size:18px;margin-bottom:8px;}
.tl-item p{font-size:15px;color:var(--text-2);margin:0;}

/* 规格图文 */
.spec-media{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:var(--line-2);}
.spec-media img{width:100%;height:400px;object-fit:cover;}
.spec-list{margin-top:8px;}
.spec-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);}
.spec-item:last-child{border-bottom:0;}
.spec-dot{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--line-2);color:var(--brand-2);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:4px;}
.spec-item h4{font-size:16px;margin:0 0 4px;}
.spec-item p{font-size:15px;color:var(--text-2);margin:0;}

/* 数据徽章带 */
.badge-band{background:linear-gradient(45deg,#3A1D6E 0%,#8A3BE8 52%,#FF7A2F 100%);border-radius:var(--r-lg);padding:40px 32px;position:relative;overflow:hidden;}
.badge-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);background-size:38px 38px;opacity:.16;pointer-events:none;}
.badge-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.badge-cell{background:rgba(255,255,255,.10);border:1px solid rgba(47,211,192,.45);border-radius:var(--r-md);padding:22px 18px;text-align:center;}
.badge-value{font-size:28px;font-weight:800;color:#fff;line-height:1.2;}
.badge-value span{font-size:15px;font-weight:700;margin-left:2px;}
.badge-label{font-size:13px;color:rgba(255,255,255,.82);margin-top:6px;}

/* FAQ */
.faq-list{max-width:860px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .22s ease}
.faq-item.is-open{border-color:var(--brand-2);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;padding:20px 22px;font-size:17px;font-weight:700;color:var(--text);text-align:left;cursor:pointer;min-height:44px;}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--line-2);transition:transform .28s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-2);border-radius:2px;transform:translate(-50%,-50%);}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease,padding .32s ease;background:var(--sub);}
.faq-item.is-open .faq-a{max-height:420px;padding:16px 22px 20px;}
.faq-a p{font-size:15px;color:var(--text-2);margin:0;}

/* CTA 与表单 */
.cta-band{position:relative;border-radius:var(--r-lg);overflow:hidden;background-color:var(--deep);background-image:linear-gradient(45deg,rgba(23,16,46,.92),rgba(58,29,110,.86)),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;color:#fff;padding:56px 44px;}
.cta-band h2{color:#fff;max-width:20em;}
.cta-band p{color:rgba(255,255,255,.82);max-width:38em;margin-bottom:24px;}
.lead-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start;}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--text);margin-bottom:8px;}
.req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 14px;font-size:15px;color:var(--text);background:#fff;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(108,59,232,.14);}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-2);line-height:1.7;}
.check input{width:18px;height:18px;flex:0 0 auto;margin-top:4px;accent-color:var(--brand-2);}
.privacy-note{font-size:13px;color:var(--text-2);line-height:1.7;margin-top:14px;}
.privacy-note a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px;}
.cta-list li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.86);margin-bottom:10px;}
.cta-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--teal);margin-top:9px;}

/* 页脚 */
.site-footer{position:relative;background:var(--deep);color:rgba(255,255,255,.78);margin-top:88px;overflow:hidden;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.site-footer__stars{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:46px 46px;opacity:.08;pointer-events:none;}
.footer-inner{position:relative;z-index:1;padding:64px 0 28px;}
.footer-brandline{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brandline .logo-text{color:#fff;}
.footer-brandline .logo-sub{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.62);max-width:26em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.62);}
.footer-col a{color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.55);}

/* 响应式 */
@media screen and (max-width:1024px){
  h1{font-size:34px;}
  .page-hero h1{font-size:34px;}
  h2{font-size:26px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .mobile-drawer{position:fixed;left:0;right:0;top:72px;bottom:0;background:#fff;padding:24px 20px 40px;overflow-y:auto;z-index:70;border-top:1px solid var(--line);}
  .mobile-drawer.is-open{display:block;}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
  .drawer-nav a{display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:var(--r-sm);font-size:16px;color:var(--text-2);border:1px solid transparent;}
  .drawer-nav a.is-active{background:var(--line-2);color:var(--brand-1);font-weight:700;border-color:var(--line);}
  .drawer-meta{margin-top:22px;font-size:13px;color:var(--text-3);display:flex;flex-direction:column;gap:8px;}
  .drawer-meta a{color:var(--brand-2);}
  .section{padding:64px 0;}
  .lead-grid{grid-template-columns:1fr;}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-media img{height:280px;}
  .spec-media img{height:320px;}
  .cta-band{padding:40px 28px;}
  .site-footer{margin-top:64px;}
}
@media screen and (max-width:640px){
  body{font-size:15px;line-height:1.75;}
  .container{padding:0 16px;}
  h1,.page-hero h1{font-size:28px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .section{padding:56px 0;}
  .page-hero{padding:36px 0 48px;}
  .lede{font-size:16px;}
  .hero-media img{height:220px;}
  .spec-media img{height:230px;}
  .matrix-card{padding:20px;}
  .tl-item{padding:20px;}
  .timeline{padding-left:28px;}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .badge-band{padding:28px 18px;}
  .badge-value{font-size:22px;}
  .faq-q{font-size:16px;padding:16px;}
  .form-card{padding:20px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .site-footer{margin-top:56px;}
  .footer-inner{padding:48px 0 24px;}
}

/* roulang page: category3 */
:root{
  --purple:#3A1D6E;
  --purple-light:#6C3BE8;
  --purple-nebula:#8A3BE8;
  --orange:#FF7A2F;
  --cyan:#2FD3C0;
  --night:#17102E;
  --moon:#F7F6FB;
  --card:#FFFFFF;
  --sub:#FAF9FE;
  --text:#1B1630;
  --text-2:#5A5570;
  --text-3:#8A85A0;
  --line:#E7E3F4;
  --line-2:#EFEAFD;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 8px 24px rgba(58,29,110,.08);
  --shadow-pop:0 24px 60px rgba(23,16,46,.18);
  --grad:linear-gradient(45deg,#3A1D6E 0%,#8A3BE8 52%,#FF7A2F 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--moon);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--purple-light);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--orange);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:var(--text);}
p{margin:0 0 16px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--text-2);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 14px;border-radius:999px;
  background:var(--line-2);color:var(--purple);
  font-size:13px;font-weight:700;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}

/* ---------- 顶部渐变线 ---------- */
.top-line{height:3px;background:var(--grad);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 6px 20px rgba(58,29,110,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.logo:hover{color:var(--purple);}
.logo-mark{width:34px;height:34px;flex-shrink:0;}
.logo-text{
  font-size:19px;font-weight:800;color:var(--purple);letter-spacing:.5px;line-height:1.1;
}
.logo-sub{
  display:block;font-size:11px;font-weight:600;color:var(--text-3);
  letter-spacing:2px;margin-top:2px;
}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);font-weight:500;
  position:relative;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--sub);color:var(--purple);}
.nav-link.is-active{
  background:var(--line-2);color:var(--purple);font-weight:700;
}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--orange);
}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-sm);
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 8px 20px rgba(108,59,232,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.header-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(108,59,232,.34);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--purple);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.nav-drawer{
  display:none;position:fixed;inset:60px 0 0 0;z-index:55;
  background:#fff;padding:24px 16px 40px;overflow-y:auto;
}
.nav-drawer.is-open{display:block;}
.nav-drawer .nav-link{
  display:flex;width:100%;height:52px;border-radius:var(--r-sm);
  font-size:16px;padding:0 16px;border:1px solid var(--line);margin-bottom:12px;
}
.nav-drawer .nav-link.is-active{background:var(--line-2);border-color:var(--line-2);}
.nav-drawer .nav-link.is-active::after{display:none;}
.nav-drawer .drawer-cta{
  display:flex;align-items:center;justify-content:center;
  height:50px;border-radius:var(--r-sm);background:var(--grad);color:#fff;
  font-weight:700;margin-top:8px;
}
.nav-drawer .drawer-cta:hover{color:#fff;filter:brightness(1.06);}
.nav-drawer .drawer-note{
  margin-top:22px;font-size:13px;color:var(--text-3);line-height:1.9;
}
.nav-drawer .drawer-note a{color:var(--purple-light);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:14px;
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease,color .2s ease;
}
.btn--primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 24px rgba(108,59,232,.26);
}
.btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(108,59,232,.34);}
.btn--ghost{
  background:#fff;color:var(--purple);border-color:var(--line);
}
.btn--ghost:hover{background:var(--line-2);color:var(--purple);}
.btn--light{
  background:#fff;color:var(--purple);border-color:rgba(255,255,255,.6);
}
.btn--light:hover{background:#fff;color:var(--purple-light);transform:translateY(-2px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--purple-light);font-weight:700;font-size:15px;
  text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;
}
.btn-link:hover{color:var(--orange);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--night);
  padding:56px 0 64px;
  color:#fff;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:var(--grad);opacity:.34;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.10) 1.4px,transparent 1.6px),
    radial-gradient(circle,rgba(255,255,255,.07) 1.2px,transparent 1.4px);
  background-size:150px 150px,240px 240px;
  background-position:20px 30px,90px 80px;
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero h1{
  color:#fff;font-size:42px;margin:14px 0 18px;max-width:820px;
}
.cat-hero__lead{
  color:rgba(255,255,255,.86);font-size:17px;max-width:600px;margin-bottom:26px;
}
.hero-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(47,211,192,.7);
  background:rgba(47,211,192,.12);color:#BFF6EF;
  font-size:13px;font-weight:700;
}
.hero-media{
  margin:0;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 24px 60px rgba(23,16,46,.4);
  background:var(--line-2);
  position:relative;
}
.hero-media img{width:100%;height:320px;object-fit:cover;}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 18px;font-size:13px;color:rgba(255,255,255,.9);
  background:linear-gradient(to top,rgba(23,16,46,.82),rgba(23,16,46,0));
}
.crumbs{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);
  margin-bottom:6px;flex-wrap:wrap;
}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{opacity:.5;}

/* ---------- 步骤流程 ---------- */
.step-flow{position:relative;margin-top:8px;}
.step-flow::before{
  content:"";position:absolute;left:26px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(to bottom,rgba(108,59,232,.5),rgba(255,122,47,.4),rgba(108,59,232,0));
}
.step-item{
  display:flex;gap:24px;padding:0 0 32px;
}
.step-item:last-child{padding-bottom:0;}
.step-num{
  flex-shrink:0;width:54px;height:54px;border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);
  color:var(--purple);font-size:17px;font-weight:800;
  box-shadow:var(--shadow-card);position:relative;z-index:2;
}
.step-body{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--shadow-card);
}
.step-body h3{font-size:20px;margin-bottom:10px;}
.step-body p{color:var(--text-2);margin-bottom:14px;font-size:15.5px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--line-2);color:var(--purple);
  font-size:13px;font-weight:600;
}
.step-note{
  margin-top:14px;padding:12px 16px;border-radius:var(--r-sm);
  background:var(--sub);border-left:3px solid var(--orange);
  font-size:14px;color:var(--text-2);
}

/* ---------- 图文区 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-card);
  background:var(--line-2);
}
.split-media img{width:100%;height:360px;object-fit:cover;}
.checklist li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15.5px;color:var(--text-2);
}
.checklist li:last-child{border-bottom:0;}
.checklist li::before{
  content:"";flex-shrink:0;width:20px;height:20px;margin-top:5px;border-radius:6px;
  background:rgba(47,211,192,.16);
  border:1px solid rgba(47,211,192,.6);
  background-image:linear-gradient(45deg,transparent 45%,var(--cyan) 45%,var(--cyan) 55%,transparent 55%),
                   linear-gradient(-45deg,transparent 45%,var(--cyan) 45%,var(--cyan) 55%,transparent 55%);
  background-size:8px 8px,8px 8px;background-position:6px 4px,6px 12px;background-repeat:no-repeat;
}

/* ---------- 卡片矩阵 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
  opacity:0;transition:opacity .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(58,29,110,.14);border-color:var(--line-2);}
.card:hover::before{opacity:1;}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{color:var(--text-2);font-size:15px;margin-bottom:0;}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  background:var(--line-2);color:var(--purple);margin-bottom:18px;
  font-weight:800;font-size:16px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:16px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(108,59,232,.4);box-shadow:0 14px 34px rgba(58,29,110,.12);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);min-height:66px;
}
.faq-q:hover{color:var(--purple);}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;position:relative;
  background:var(--line-2);transition:transform .28s ease,background .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--purple);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(255,122,47,.16);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--orange);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  background:var(--sub);
}
.faq-a p{padding:4px 26px 22px;color:var(--text-2);font-size:15.5px;margin:0;}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad);color:#fff;padding:48px;
  box-shadow:0 20px 50px rgba(58,29,110,.28);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.12) 1.3px,transparent 1.5px);
  background-size:120px 120px;background-position:30px 20px;pointer-events:none;
}
.cta-band .cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.88);margin:0;max-width:560px;font-size:15.5px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--night);color:rgba(255,255,255,.82);
  padding:64px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.site-footer__stars{
  position:absolute;inset:0;pointer-events:none;opacity:.09;
  background-image:
    radial-gradient(circle,#fff 1.3px,transparent 1.5px),
    radial-gradient(circle,#fff 1px,transparent 1.2px);
  background-size:180px 180px,260px 260px;
  background-position:40px 60px,120px 20px;
}
.footer-inner{position:relative;z-index:2;}
.footer-brandline{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brandline .logo-text{color:#fff;}
.footer-brandline .logo-sub{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;margin:0;}
.footer-col h4{
  color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;
}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .nav-menu{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .cat-hero h1{font-size:32px;}
  .cat-hero{padding:44px 0 52px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .split-media img{height:300px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
  .section-head h2{font-size:26px;}
  .cta-band{padding:36px;}
}
@media screen and (max-width:640px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .logo-text{font-size:17px;}
  .nav-drawer{inset:60px 0 0 0;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:24px;}
  .cat-hero{padding:32px 0 40px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero__lead{font-size:15.5px;}
  .hero-media img{height:200px;}
  .card-grid{grid-template-columns:1fr;}
  .card{padding:20px;}
  .step-body{padding:20px;}
  .step-item{gap:14px;padding-bottom:24px;}
  .step-num{width:44px;height:44px;font-size:15px;}
  .step-flow::before{left:21px;}
  .faq-q{padding:18px 18px;font-size:16px;min-height:60px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-band{padding:28px 22px;border-radius:var(--r-md);}
  .cta-band h2{font-size:22px;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .split-media img{height:220px;}
}

/* roulang page: category4 */
:root{
  --purple:#3A1D6E;
  --purple-bright:#6C3BE8;
  --nebula:#8A3BE8;
  --orange:#FF7A2F;
  --cyan:#2FD3C0;
  --deep:#17102E;
  --moon:#F7F6FB;
  --card:#FFFFFF;
  --sub-bg:#FAF9FE;
  --text:#1B1630;
  --text-2:#5A5570;
  --text-3:#8A85A0;
  --line:#E7E3F4;
  --line-soft:#EFEAFD;
  --grad:linear-gradient(45deg,#3A1D6E 0%,#8A3BE8 52%,#FF7A2F 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-card:0 8px 24px rgba(58,29,110,.08);
  --sh-pop:0 24px 60px rgba(23,16,46,.18);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--moon);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--purple-bright);text-decoration:none;transition:color .2s ease;}
a:hover{text-decoration:underline;text-underline-offset:4px;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.3;font-weight:800;color:var(--text);}
h1{font-size:42px;}
h2{font-size:30px;}
h3{font-size:20px;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{max-width:var(--w);margin:0 auto;padding:0 24px;width:100%;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.section{padding:88px 0;}
.section--soft{background:var(--card);}
.section--tight{padding:64px 0;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--orange);margin-bottom:12px;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-sub{color:var(--text-2);font-size:16px;margin:0;}
.mt-32{margin-top:32px;}
.mb-0{margin-bottom:0!important;}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .25s ease;}
.site-header .brand-line{display:block;height:3px;background:var(--grad);}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(58,29,110,.10);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{width:34px;height:34px;flex:0 0 34px;}
.logo-text{font-size:19px;font-weight:800;color:var(--purple);letter-spacing:.01em;line-height:1;}
.logo-sub{display:block;font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:.14em;margin-top:4px;}
.nav-menu{display:flex;align-items:center;gap:2px;}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text-2);transition:background .2s ease,color .2s ease;}
.nav-link:hover{background:var(--line-soft);color:var(--purple);text-decoration:none;}
.nav-link.is-active{background:var(--line-soft);color:var(--purple);}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:6px;transform:translateX(-50%);width:22px;height:2px;border-radius:2px;background:var(--orange);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--purple);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{position:fixed;inset:0;z-index:80;background:rgba(23,16,46,.98);color:#fff;padding:88px 24px 40px;transform:translateY(-102%);transition:transform .38s cubic-bezier(.22,.61,.36,1);overflow-y:auto;}
.nav-drawer.is-open{transform:translateY(0);}
.nav-drawer a{color:rgba(255,255,255,.86);}
.nav-drawer .drawer-list{display:flex;flex-direction:column;gap:6px;margin-bottom:28px;}
.nav-drawer .drawer-list a{display:block;padding:14px 16px;border-radius:14px;font-size:17px;font-weight:600;background:rgba(255,255,255,.05);}
.nav-drawer .drawer-list a.is-active{background:rgba(138,59,232,.28);color:#fff;}
.nav-drawer .drawer-note{font-size:13px;color:rgba(255,255,255,.62);margin-top:22px;line-height:1.9;}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:14px;font-size:15px;font-weight:700;text-align:center;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,filter .22s ease;cursor:pointer;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(108,59,232,.28);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,59,232,.34);color:#fff;}
.btn-ghost{background:#fff;color:var(--purple);border-color:var(--line);}
.btn-ghost:hover{background:var(--line-soft);transform:translateY(-2px);color:var(--purple);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--purple-bright);border-bottom:2px solid transparent;padding-bottom:2px;}
.btn-text:hover{text-decoration:none;border-bottom-color:var(--orange);}
.tag-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--line-soft);color:var(--purple);font-size:13px;font-weight:700;}
.tag-pill--light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28);}

/* ============ hero ============ */
.hero--cat{position:relative;background:var(--deep);color:#fff;overflow:hidden;padding:56px 0 72px;}
.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.26;}
.hero-stars{position:absolute;inset:0;opacity:.12;background-image:radial-gradient(2px 2px at 12% 24%,#fff,transparent),radial-gradient(1.5px 1.5px at 32% 68%,#fff,transparent),radial-gradient(2px 2px at 58% 18%,#fff,transparent),radial-gradient(1.5px 1.5px at 76% 54%,#fff,transparent),radial-gradient(2px 2px at 88% 82%,#fff,transparent);}
.hero-cat-inner{position:relative;z-index:2;}
.hero--cat h1{color:#fff;font-size:42px;margin-bottom:18px;}
.hero-lead{font-size:17px;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero--cat .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34);}
.hero--cat .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb span.sep{opacity:.5;}
.hero-figure{margin-top:8px;border-radius:var(--r-lg);overflow:hidden;background:var(--line-soft);box-shadow:var(--sh-pop);border:1px solid rgba(255,255,255,.12);}
.hero-figure img{width:100%;height:280px;object-fit:cover;}
.hero-figure figcaption{font-size:13px;color:rgba(255,255,255,.66);padding:12px 18px;background:rgba(23,16,46,.6);}

/* ============ route band ============ */
.route-band{background:var(--card);border-bottom:1px solid var(--line);}
.route-line{display:flex;gap:18px;padding:34px 0;flex-wrap:wrap;}
.route-node{position:relative;flex:1 1 200px;min-width:180px;padding-left:52px;}
.route-dot{position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--purple);background:var(--line-soft);border:1px solid #DCD2F7;}
.route-node::after{content:"";position:absolute;left:52px;right:-18px;top:20px;height:1px;background:repeating-linear-gradient(90deg,#DCD2F7 0 8px,transparent 8px 16px);}
.route-node:last-child::after{display:none;}
.route-node strong{display:block;font-size:16px;font-weight:800;}
.route-node em{font-style:normal;font-size:13px;color:var(--text-3);}

/* ============ generic cards ============ */
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(58,29,110,.13);}
.card--soft{background:var(--sub-bg);box-shadow:none;}
.card-topline{position:absolute;left:0;right:0;top:0;height:4px;border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--grad);}
.card h3{margin-bottom:10px;}
.card p{color:var(--text-2);font-size:15px;margin-bottom:14px;}
.card-icon{width:46px;height:46px;border-radius:14px;background:var(--line-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--purple);font-weight:800;font-size:16px;}

/* ============ two column intro ============ */
.split{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start;}
.split__text{flex:1 1 420px;min-width:280px;}
.split__aside{flex:1 1 360px;min-width:280px;}
.note-list{display:flex;flex-direction:column;gap:16px;}
.note-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-card);}
.note-item h3{font-size:17px;margin-bottom:6px;}
.note-item p{font-size:14px;color:var(--text-2);margin:0;}
.note-item .tag-pill{margin-bottom:10px;}
.img-frame{border-radius:var(--r-lg);overflow:hidden;background:var(--line-soft);box-shadow:var(--sh-card);}
.img-frame img{width:100%;height:260px;object-fit:cover;}

/* ============ compare ============ */
.compare-wrap{display:flex;flex-wrap:wrap;gap:24px;}
.compare-col{flex:1 1 340px;min-width:280px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-card);}
.compare-col--accent{border-color:#F3D4BE;background:linear-gradient(180deg,#FFF8F3 0%,#FFFFFF 60%);}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.compare-head h3{margin:0;font-size:20px;}
.compare-badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;background:var(--line-soft);color:var(--purple);}
.compare-badge--orange{background:#FFE9DC;color:#B64E12;}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);margin-bottom:12px;}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:7px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg);}
.compare-verdict{margin-top:32px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:var(--deep);color:#fff;border-radius:var(--r-md);padding:20px 24px;}
.compare-verdict strong{font-size:17px;}
.compare-verdict span{font-size:14px;color:rgba(255,255,255,.72);}
.compare-verdict .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:0 0 8px;}

/* ============ spec list ============ */
.spec-list{border-top:1px solid var(--line);}
.spec-row{display:flex;gap:24px;padding:20px 0;border-bottom:1px dashed var(--line);}
.spec-key{flex:0 0 132px;font-weight:800;color:var(--purple);font-size:15px;}
.spec-val{flex:1 1 auto;color:var(--text-2);font-size:15px;margin:0;}
.badge-band{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.data-badge{flex:1 1 190px;min-width:170px;border:1px solid var(--cyan);background:rgba(47,211,192,.08);border-radius:var(--r-md);padding:20px 22px;}
.data-badge strong{display:block;font-size:28px;font-weight:800;color:var(--purple);line-height:1.2;}
.data-badge span{font-size:13px;color:var(--text-2);}

/* ============ faq ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-card);overflow:hidden;}
.faq-q-wrap{margin:0;font-size:17px;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--text);min-height:44px;}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--line-soft);transition:transform .3s ease,background .3s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--purple);border-radius:2px;}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:#FFE9DC;}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--orange);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{margin:0;padding:0 24px 22px;font-size:15px;color:var(--text-2);background:var(--sub-bg);border-top:1px solid var(--line-soft);padding-top:18px;}

/* ============ cta + form ============ */
.cta-block{position:relative;overflow:hidden;background:var(--deep);color:#fff;border-radius:24px;padding:52px 48px;}
.cta-block .cta-stars{position:absolute;inset:0;opacity:.1;background-image:radial-gradient(2px 2px at 14% 30%,#fff,transparent),radial-gradient(1.5px 1.5px at 46% 74%,#fff,transparent),radial-gradient(2px 2px at 78% 26%,#fff,transparent);}
.cta-grid{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:40px;}
.cta-copy{flex:1 1 380px;min-width:280px;}
.cta-copy h2{color:#fff;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.74);font-size:15px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-points span{font-size:13px;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 14px;}
.form-card{flex:1 1 420px;min-width:280px;background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-pop);color:var(--text);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text);}
.field .req{color:var(--orange);}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  font-size:15px;color:var(--text);transition:border .2s ease,box-shadow .2s ease;font-family:inherit;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235A5570' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:12px;padding-right:40px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--purple-bright);box-shadow:0 0 0 3px rgba(108,59,232,.14);}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3);margin:6px 0 18px;line-height:1.7;}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--purple-bright);}
.check a{color:var(--purple-bright);}
.form-msg{margin:14px 0 0;font-size:13px;color:#12796F;background:rgba(47,211,192,.12);border:1px solid rgba(47,211,192,.4);border-radius:var(--r-sm);padding:10px 14px;}

/* ============ footer ============ */
.site-footer{position:relative;background:var(--deep);color:#fff;border-top:3px solid transparent;border-image:var(--grad) 1;padding:64px 0 28px;overflow:hidden;}
.site-footer__stars{position:absolute;inset:0;opacity:.1;background-image:radial-gradient(2px 2px at 18% 22%,#fff,transparent),radial-gradient(1.5px 1.5px at 52% 62%,#fff,transparent),radial-gradient(2px 2px at 82% 34%,#fff,transparent);}
.footer-inner{position:relative;z-index:2;}
.footer-brandline{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brandline .logo-mark{width:30px;height:30px;flex:0 0 30px;}
.footer-brandline .logo-text{color:#fff;font-size:18px;}
.footer-brandline .logo-sub{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.9;}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px;line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.56);}

/* ============ responsive ============ */
.only-desktop{display:inline-flex;}
@media screen and (max-width:1200px){
  .nav-link{padding:0 10px;font-size:14px;}
}
@media screen and (max-width:1024px){
  h1,.hero--cat h1{font-size:32px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .only-desktop{display:none;}
  .m-stack>.cell{margin-bottom:24px;}
  .m-stack>.cell:last-child{margin-bottom:0;}
  .hero--cat{padding:40px 0 56px;}
  .hero-figure img{height:230px;}
  .cta-block{padding:36px 28px;}
  .route-node{flex:1 1 100%;}
  .route-node::after{display:none;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  h1,.hero--cat h1{font-size:28px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  body{font-size:15px;}
  .header-inner{height:60px;}
  .section{padding:56px 0;}
  .card{padding:20px;}
  .hero-actions .btn{width:100%;}
  .spec-row{flex-direction:column;gap:6px;}
  .spec-key{flex:0 0 auto;}
  .faq-q{padding:18px}
  .faq-a-inner p{padding:16px 18px 20px;}
  .compare-col{padding:22px;}
  .split{gap:28px;}
  .cta-block{padding:28px 20px;border-radius:20px;}
  .form-card{padding:20px;}
  .btn-block-mobile{width:100%;}
  .badge-band{gap:12px;}
  .data-badge{flex:1 1 45%;min-width:0;padding:16px;}
  .data-badge strong{font-size:22px;}
}