/* roulang page: index */
:root{
  --brand-1:#B5179E;
  --brand-2:#FF7A45;
  --brand-3:#FFB703;
  --ink-900:#150A1C;
  --ink-800:#1F0F2A;
  --bg-soft:#FBF7FC;
  --bg-card:#FFFFFF;
  --line:rgba(27,16,32,.08);
  --text-900:#1B1020;
  --text-600:#5C4A66;
  --text-400:#8E7E97;
  --mint:#2EC4B6;
  --warn:#FF9F1C;
  --error:#E5484D;
  --grad:linear-gradient(120deg,#B5179E 0%,#FF7A45 100%);
  --r-hero:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 6px 20px rgba(27,16,32,.06);
  --shadow-hover:0 16px 40px rgba(181,23,158,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-600);
  background:var(--bg-soft);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--brand-1)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700;line-height:1.3;letter-spacing:.005em}
p{margin:0}
input,select,textarea{font-family:inherit}
:focus-visible{outline:3px solid rgba(181,23,158,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 / 链接组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  min-height:48px;white-space:nowrap;transition:all .18s ease;border:1px solid transparent;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(181,23,158,.22)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(181,23,158,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-1);border-color:rgba(181,23,158,.35)}
.btn-ghost:hover{background:#FBF0FA;border-color:var(--brand-1);color:var(--brand-1)}
.btn-ghost-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-sm{padding:10px 20px;min-height:42px;font-size:14px}
.btn-block{display:flex;width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1)}
.link-arrow i{transition:transform .18s ease;font-size:12px}
.link-arrow:hover i{transform:translateX(4px)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(181,23,158,.08);color:var(--brand-1);line-height:1.6}
.tag--mint{background:rgba(46,196,182,.14);color:#1C8C82}
.tag--warm{background:rgba(255,183,3,.16);color:#9A6A00}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;font-size:13px;line-height:1.4}
.badge-dark{background:rgba(21,10,28,.8);color:#fff;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px)}
.badge-dark i{color:var(--mint)}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(21,10,28,.7);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(21,10,28,.97);border-bottom-color:rgba(255,255,255,.06);box-shadow:0 12px 32px rgba(21,10,28,.38)}
.nav-inner{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);align-items:center;gap:20px;height:64px}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand__mark{
  flex:0 0 34px;width:34px;height:34px;border-radius:11px;background-image:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 8px 18px rgba(181,23,158,.4);
}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__name{font-size:16.5px;font-weight:700;color:#fff;line-height:1.2;white-space:nowrap}
.brand__sub{font-size:11px;color:rgba(255,255,255,.58);line-height:1.4;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:9px 15px;border-radius:999px;font-size:14.5px;
  color:rgba(255,255,255,.76);transition:all .18s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.13)}
.nav-link.is-active::after{
  content:'';position:absolute;left:50%;bottom:2px;width:16px;height:2px;border-radius:2px;
  background-image:var(--grad);transform:translateX(-50%);
}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);transition:all .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.2);color:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(21,10,28,.55);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:95}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:100;
  background:linear-gradient(160deg,#1F0F2A,#150A1C);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:22px 22px 28px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:40px;height:40px;border-radius:50%;color:#fff;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:auto}
.drawer-nav a{padding:14px 16px;border-radius:14px;color:rgba(255,255,255,.82);font-size:15.5px}
.drawer-nav a:hover{background:rgba(255,255,255,.09);color:#fff}
.drawer-nav a.is-active{background:rgba(181,23,158,.28);color:#fff;font-weight:600}
.drawer-cta{margin-top:26px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:rgba(255,255,255,.78);
  padding:132px 0 96px;
  background:
    radial-gradient(circle at 10% 4%,rgba(181,23,158,.42),transparent 46%),
    radial-gradient(circle at 92% 2%,rgba(255,122,69,.3),transparent 44%),
    linear-gradient(160deg,#150A1C 0%,#1F0F2A 58%,#150A1C 100%);
}
.hero__bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.14;pointer-events:none}
.hero__inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:60px;align-items:center}
.hero-tagline{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.85);margin-bottom:22px}
.hero-tagline i{color:var(--brand-3)}
.hero-title{font-size:clamp(30px,3.9vw,50px);line-height:1.25;color:#fff;font-weight:700}
.hero-title em{font-style:normal;background:linear-gradient(120deg,#FF9A6B,#FFB703);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.74);max-width:560px}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{margin-top:22px;font-size:13px;color:rgba(255,255,255,.52);display:flex;align-items:center;gap:8px}
.hero-trust i{color:var(--mint)}
.hero-media{position:relative;border-radius:var(--r-hero);overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.45);background:linear-gradient(140deg,#2A1333,#3B1A45)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,10,28,.05),rgba(21,10,28,.55));pointer-events:none}
.hero-glow{position:absolute;top:-52px;right:-52px;width:230px;height:230px;border-radius:50%;background:radial-gradient(circle,rgba(255,183,3,.6),rgba(181,23,158,0) 70%);pointer-events:none;z-index:3}
.hero-badges{position:absolute;right:20px;bottom:20px;display:flex;flex-direction:column;gap:10px;align-items:flex-end;z-index:4}

/* ============ 区块基础 ============ */
.section{padding:96px 0}
.section--white{background:var(--bg-card)}
.section--soft{background:var(--bg-soft)}
.section--dark{background:linear-gradient(160deg,#150A1C 0%,#1F0F2A 100%);color:rgba(255,255,255,.75)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:42px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-1);margin-bottom:12px}
.eyebrow i{font-size:12px}
.eyebrow--light{color:#FFB9E8}
.section-title{font-size:clamp(24px,2.8vw,32px);line-height:1.32}
.section-title--light{color:#fff}
.section-desc{margin-top:14px;font-size:16px;color:var(--text-600);max-width:660px}
.section-desc--light{color:rgba(255,255,255,.7)}

/* ============ 痛点提问区 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.pain-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:20px;padding:28px;
  box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.pain-num{
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(181,23,158,.09);color:var(--brand-1);font-weight:700;font-size:14px;
}
.pain-title{margin-top:16px;font-size:19px;line-height:1.5}
.pain-text{margin-top:10px;font-size:14.8px;color:var(--text-600);flex:1}
.pain-card .link-arrow{margin-top:16px}

/* ============ 方案卡片区 ============ */
.plan-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:22px;align-items:stretch}
.plan-stack{display:grid;gap:22px}
.card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card__img{overflow:hidden;background:linear-gradient(140deg,#F3E4F3,#FFE9DF)}
.card__img img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.card:hover .card__img img{transform:scale(1.03)}
.card__body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__title{font-size:21px;line-height:1.45}
.card__text{font-size:14.8px;color:var(--text-600)}
.card__body .link-arrow{margin-top:auto;padding-top:6px}
.card-wide{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);align-items:stretch}
.card-wide .card__body{padding:32px}
.card-wide .card__title{font-size:23px}
.checks{display:grid;gap:10px;margin-top:4px}
.checks li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.7;color:var(--text-600)}
.checks li::before{content:'';position:absolute;left:0;top:6px;width:17px;height:17px;border-radius:50%;background-image:var(--grad);opacity:.16}
.checks li::after{content:'';position:absolute;left:5px;top:11px;width:7px;height:3.5px;border-left:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);transform:rotate(-45deg)}
.checks--light li{color:rgba(255,255,255,.78)}
.checks--light li::after{border-color:var(--mint)}

/* ============ 数据区 ============ */
.stats-panel{
  position:relative;overflow:hidden;border-radius:32px;padding:56px 48px;
  background:linear-gradient(150deg,#150A1C 0%,#241130 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.stats-panel::before{content:'';position:absolute;top:-120px;right:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(181,23,158,.38),transparent 68%)}
.stats-panel::after{content:'';position:absolute;bottom:-140px;left:-60px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,182,.22),transparent 70%)}
.stats-head{position:relative;z-index:2;margin-bottom:36px}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.stat-item{padding:22px 20px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.stat-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;background:rgba(46,196,182,.16);color:#7BE0D4;margin-bottom:14px}
.stat-value{font-size:clamp(32px,3.6vw,46px);font-weight:800;line-height:1;color:#2EC4B6;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px}
.stat-value span{font-size:15px;font-weight:600;color:#7BE0D4}
.stat-label{margin-top:12px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.63)}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;position:relative}
.steps::before{content:'';position:absolute;top:9px;left:4%;right:4%;height:2px;background-image:var(--grad);opacity:.28}
.step{position:relative}
.step-dot{width:18px;height:18px;border-radius:50%;background-image:var(--grad);position:relative;margin-bottom:22px;box-shadow:0 0 0 6px rgba(181,23,158,.09)}
.step-dot::after{content:'';position:absolute;inset:5px;border-radius:50%;background:#fff}
.step-name{font-size:18px;color:var(--text-900);font-weight:600;line-height:1.5}
.step-text{margin-top:10px;font-size:14.5px;color:var(--text-600)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit}
.news-thumb{overflow:hidden;background:linear-gradient(140deg,#F3E4F3,#FFE9DF)}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.news-time{font-size:13px;color:var(--text-400);font-variant-numeric:tabular-nums}
.news-title{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease}
.news-card:hover .news-title{color:var(--brand-1)}
.news-desc{font-size:14px;color:var(--text-600);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card--wide{grid-column:span 3}
.news-card--wide .news-link{flex-direction:row;align-items:stretch}
.news-card--wide .news-thumb{flex:0 0 42%}
.news-card--wide .news-thumb img{height:100%;aspect-ratio:auto;min-height:240px}
.news-card--wide .news-body{padding:30px;justify-content:center}
.news-card--wide .news-title{font-size:22px;-webkit-line-clamp:3}
.news-card--wide .news-desc{font-size:14.8px}
.empty-state{
  background:var(--bg-card);border:1px dashed rgba(181,23,158,.28);border-radius:20px;
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:34px;color:rgba(181,23,158,.4)}
.empty-state p{margin:16px 0 20px;font-size:15px;color:var(--text-400)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--bg-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:rgba(181,23,158,.3);box-shadow:0 12px 30px rgba(181,23,158,.08)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text-900);
  min-height:44px;transition:background-color .2s ease;
}
.faq-item.is-open .faq-q{background:#FBF0FA}
.faq-q:hover{background:#FBF0FA}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background-image:var(--grad);border-radius:2px}
.faq-icon::before{left:50%;top:2px;width:2.5px;height:18px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:2px;height:2.5px;width:18px;transform:translateY(-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:320px}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--text-600);line-height:1.85}

/* ============ 表单区 ============ */
.lead-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:56px;align-items:center}
.lead-title{font-size:clamp(24px,2.8vw,32px);color:#fff;line-height:1.32}
.lead-text{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.72);max-width:520px}
.lead-copy .checks{margin-top:24px}
.form-card{background:var(--bg-card);border-radius:var(--r-lg);padding:30px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.form-card__title{font-size:19px;margin-bottom:6px}
.form-card__hint{font-size:13.5px;color:var(--text-400);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-900);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#FCFAFD;font-size:15px;color:var(--text-900);transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#B4A7BB}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(181,23,158,.14);background:#fff;
}
.field textarea{resize:vertical;min-height:96px}
.form-privacy{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--text-400)}
.form-privacy a{color:var(--brand-1);text-decoration:underline}
.form-msg{margin-top:14px;font-size:13.5px;color:#1C8C82;display:none}
.form-msg.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:#150A1C;color:rgba(255,255,255,.62);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand__mark{width:36px;height:36px;font-size:17px}
.footer-brand span{color:#fff;font-size:16.5px;font-weight:700}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.55);max-width:320px}
.footer-title{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px}
.footer-list{display:grid;gap:11px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-list a:hover{color:var(--mint)}
.footer-list span{font-size:14px;color:rgba(255,255,255,.55)}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.09);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom-links{display:flex;align-items:center;gap:18px;font-size:13px}
.footer-bottom-links a{color:rgba(255,255,255,.5)}
.footer-bottom-links a:hover{color:var(--mint)}
.to-top{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff;transition:all .18s ease;
}
.to-top:hover{background-image:var(--grad);border-color:transparent;color:#fff;transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .section{padding:76px 0}
  .hero{padding:120px 0 76px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-sub{max-width:none}
  .hero-media{max-width:640px}
  .plan-grid{grid-template-columns:1fr}
  .card-wide{grid-template-columns:1fr}
  .card-wide .card__img{order:-1}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card--wide{grid-column:span 2}
  .news-card--wide .news-link{flex-direction:column}
  .news-card--wide .news-thumb{flex:none}
  .news-card--wide .news-thumb img{aspect-ratio:16/10;min-height:0}
  .lead-grid{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
  .steps::before{display:none}
  .nav-inner{grid-template-columns:1fr auto}
  .nav-menu{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:58px 0}
  .hero{padding:104px 0 62px}
  .nav-inner{height:56px}
  .brand__mark{width:30px;height:30px;flex:0 0 30px;font-size:15px;border-radius:9px}
  .brand__name{font-size:15px}
  .brand__sub{display:none}
  .icon-btn{width:38px;height:38px}
  .nav-right .btn-sm{padding:8px 14px;min-height:38px;font-size:13px}
  .hero-title{font-size:clamp(26px,7vw,34px)}
  .hero-sub{font-size:15px;margin-top:16px}
  .hero-cta{margin-top:26px}
  .hero-badges{position:static;flex-direction:row;flex-wrap:wrap;align-items:center;margin-top:14px;right:auto;bottom:auto}
  .hero-media::after{background:linear-gradient(180deg,rgba(21,10,28,0),rgba(21,10,28,.35))}
  .hero-glow{width:160px;height:160px;top:-40px;right:-40px}
  .pain-grid{grid-template-columns:1fr;gap:18px}
  .pain-card{padding:22px}
  .plan-grid,.plan-stack{gap:18px}
  .card__body{padding:22px}
  .card-wide .card__body{padding:24px}
  .card__title{font-size:19px}
  .card-wide .card__title{font-size:20px}
  .stats-panel{padding:36px 24px;border-radius:24px}
  .stats-grid{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card--wide{grid-column:span 1}
  .news-card--wide .news-title{font-size:19px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 20px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:span 2}
  .footer-text{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .section-head{margin-bottom:30px}
}
@media (max-width:519px){
  .btn{width:100%;padding:14px 20px}
  .btn-sm{width:auto}
  .nav-right .btn-sm{display:none}
  .hero-cta{flex-direction:column;gap:12px}
  .hero-badges{gap:8px}
  .badge{font-size:12px;padding:7px 12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:span 1}
}

/* roulang page: category1 */
:root{
  --brand-1:#B5179E;
  --brand-2:#FF7A45;
  --brand-3:#FFB703;
  --ink-900:#150A1C;
  --ink-800:#1F0F2A;
  --bg-soft:#FBF7FC;
  --bg-card:#FFFFFF;
  --line:rgba(27,16,32,.08);
  --text-900:#1B1020;
  --text-600:#5C4A66;
  --text-400:#8E7E97;
  --mint:#2EC4B6;
  --warn:#FF9F1C;
  --error:#E5484D;
  --grad:linear-gradient(120deg,#B5179E 0%,#FF7A45 100%);
  --radius-hero:28px;
  --radius-lg:24px;
  --radius-card:18px;
  --radius-sm:12px;
  --shadow-card:0 6px 20px rgba(27,16,32,.06);
  --shadow-hover:0 16px 40px rgba(181,23,158,.14);
  --header-h:64px;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  color:var(--text-900);
  background:var(--bg-soft);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text-900);border-radius:var(--radius-sm)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--section-y) 0}
.section--soft{background:var(--bg-soft)}
.section--white{background:var(--bg-card)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--brand-1);
  background:rgba(181,23,158,.08);border:1px solid rgba(181,23,158,.16);
  padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.eyebrow i{font-size:11px;color:var(--brand-3)}
.section-title{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:700;letter-spacing:.01em;color:var(--text-900)}
.section-desc{margin-top:14px;color:var(--text-600);font-size:16px;line-height:1.85}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1)}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(4px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(181,23,158,.22)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(181,23,158,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-outline{background:#fff;color:var(--brand-1);border-color:rgba(181,23,158,.45)}
.btn-outline:hover{background:#FBF2FA;color:var(--brand-1);border-color:var(--brand-1)}
.btn-sm{padding:9px 20px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(181,23,158,.35);outline-offset:2px;
}

/* ============ header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(21,10,28,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-solid{background:var(--ink-900);border-bottom-color:rgba(255,255,255,.06);box-shadow:0 12px 32px rgba(21,10,28,.32)}
.header-inner{
  display:grid;grid-template-columns:52% 48%;align-items:center;
  height:var(--header-h);gap:16px;
}
.header-left{display:flex;align-items:center;gap:24px;min-width:0}
.header-right{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand__mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;
  box-shadow:0 6px 16px rgba(181,23,158,.35);
}
.brand__text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;min-width:0}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 13px;border-radius:999px;
  font-size:14.5px;color:rgba(255,255,255,.76);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.14)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--grad);
}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.18);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;align-items:center;justify-content:center;font-size:17px;
}
.mobile-panel{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:80;
  background:var(--ink-900);padding:22px;
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  box-shadow:-20px 0 50px rgba(0,0,0,.35);
}
.mobile-panel.is-open{transform:translateX(0)}
.mobile-panel .panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mobile-panel .panel-title{color:#fff;font-weight:700;font-size:15px}
.mobile-panel .panel-close{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:16px;
}
.mobile-panel .nav-link{display:block;padding:13px 14px;font-size:15.5px;border-radius:14px}
.mobile-panel .panel-cta{margin-top:auto;padding-top:18px}
.mask{
  position:fixed;inset:0;background:rgba(12,6,16,.55);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mask.is-open{opacity:1;visibility:visible}

/* ============ page hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--header-h) + 58px) 0 72px;
  background:
    linear-gradient(120deg,rgba(21,10,28,.95) 0%,rgba(31,15,42,.86) 60%,rgba(60,18,58,.82) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;top:-120px;right:-90px;width:420px;height:420px;
  background:radial-gradient(circle at center,rgba(255,122,69,.42) 0%,rgba(181,23,158,.22) 45%,transparent 72%);
  pointer-events:none;
}
.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,.62);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.breadcrumb .current{color:rgba(255,255,255,.55)}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.28;font-weight:700;letter-spacing:.01em;
  max-width:900px;margin-bottom:20px;
}
.page-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:760px;color:rgba(255,255,255,.82);font-size:16.5px;line-height:1.9}
.hero-lead + .hero-lead{margin-top:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.58);display:flex;align-items:center;gap:8px}
.hero-note i{color:var(--mint)}

/* ============ step cards (上图下文) ============ */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.step-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(181,23,158,.2)}
.step-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(120deg,#F3E4F4,#FFE6DC)}
.step-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.step-card:hover .step-card__media img{transform:scale(1.03)}
.step-card__num{
  position:absolute;top:14px;left:14px;z-index:2;
  min-width:34px;height:34px;padding:0 10px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,rgba(21,10,28,.86),rgba(31,15,42,.74));
  border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(6px);
}
.step-card__body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--brand-1);background:rgba(181,23,158,.08);border:1px solid rgba(181,23,158,.16);
}
.badge i{font-size:10px;color:var(--brand-3)}
.card-title{font-size:20px;line-height:1.5;font-weight:600;color:var(--text-900)}
.card-text{font-size:14.5px;line-height:1.85;color:var(--text-600)}
.check-list{margin-top:2px}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:8px;
  font-size:14px;line-height:1.75;color:var(--text-600);
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:4px;width:17px;height:17px;border-radius:50%;
  background:var(--grad);opacity:.92;
}
.check-list li::after{
  content:"";position:absolute;left:6px;top:8px;width:5px;height:9px;
  border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(45deg);
}
.check-list--mint li::before{background:linear-gradient(120deg,#1FA99D,#2EC4B6)}
.step-card__foot{margin-top:auto;padding-top:8px}

/* ============ 说明 / 对比区块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split__media{
  position:relative;border-radius:var(--radius-hero);overflow:hidden;
  aspect-ratio:16/11;box-shadow:var(--shadow-card);border:1px solid var(--line);
}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(21,10,28,.18),rgba(181,23,158,.14));
}
.split__caption{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(21,10,28,.72);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:13px;padding:8px 14px;border-radius:999px;
  backdrop-filter:blur(8px);
}
.order-list{counter-reset:step;margin-top:24px}
.order-list li{
  position:relative;padding:14px 0 14px 46px;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--text-600);line-height:1.8;
}
.order-list li:last-child{border-bottom:0}
.order-list li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:16px;
  width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  background:var(--grad);
}
.order-list li strong{color:var(--text-900);font-weight:600}

/* ============ faq ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-item.is-open{border-color:rgba(181,23,158,.24);box-shadow:var(--shadow-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-900);line-height:1.6;
  transition:background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q{background:#FBF2FA;color:var(--brand-1)}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:999px;
  background:var(--grad);transition:transform .25s ease;transform:rotate(0);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:#fff;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 .3s ease}
.faq-a p{padding:0 22px 20px;color:var(--text-600);font-size:15px;line-height:1.85}
.faq-item.is-open .faq-a{max-height:360px}

/* ============ cta + form ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-hero);
  padding:52px 48px;color:#fff;
  background:
    linear-gradient(120deg,rgba(21,10,28,.94),rgba(52,16,54,.86)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(46,196,182,.28),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:700;position:relative;z-index:2}
.cta-band p{margin-top:12px;max-width:680px;color:rgba(255,255,255,.78);font-size:15.5px;position:relative;z-index:2}

.lead-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.lead-points{margin-top:26px}
.lead-points li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:15px;color:var(--text-600);line-height:1.8;
}
.lead-points li::before{
  content:"";position:absolute;left:0;top:5px;width:17px;height:17px;border-radius:50%;
  background:linear-gradient(120deg,#1FA99D,#2EC4B6);
}
.lead-points li::after{
  content:"";position:absolute;left:6px;top:9px;width:5px;height:9px;
  border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(45deg);
}
.lead-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-card);
}
.lead-card h3{font-size:19px;font-weight:600;margin-bottom:6px}
.lead-card .form-tip{font-size:13.5px;color:var(--text-400);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-600);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);background:#FCFAFC;
  border-radius:var(--radius-sm);transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-1);background:#fff;
  box-shadow:0 0 0 3px rgba(181,23,158,.14);
}
.privacy-note{margin-top:12px;font-size:12.5px;color:var(--text-400);line-height:1.7}
.privacy-note a{color:var(--brand-1)}

/* ============ footer ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:68px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px}
.footer-brand .brand__mark{width:32px;height:32px;border-radius:10px;font-size:15px}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.66);line-height:1.7}
.footer-list a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom-links{display:flex;align-items:center;gap:18px}
.footer-bottom-links a{font-size:13px;color:rgba(255,255,255,.62)}
.footer-bottom-links a:hover{color:var(--mint)}
.to-top{
  width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,transform .18s ease;
}
.to-top:hover{background:rgba(46,196,182,.24);transform:translateY(-2px)}

/* ============ responsive ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .header-inner{grid-template-columns:56% 44%}
  .split{gap:40px}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  :root{--section-y:76px}
  .header-inner{grid-template-columns:1fr auto}
  .nav-menu{display:none}
  .menu-toggle{display:inline-flex}
  .header-right .btn{display:none}
  .page-hero{padding:calc(var(--header-h) + 44px) 0 56px}
  .step-grid{grid-template-columns:1fr 1fr;gap:22px}
  .split{grid-template-columns:1fr;gap:32px}
  .split__media{order:-1}
  .lead-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:40px 30px}
}
@media (max-width:767px){
  :root{--section-y:60px;--header-h:56px}
  .container{padding:0 20px}
  .brand__text{font-size:15px}
  .step-grid{grid-template-columns:1fr;gap:20px}
  .step-card__body{padding:20px 20px 22px}
  .card-title{font-size:18px}
  .page-hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .lead-card{padding:22px 20px}
}
@media (max-width:479px){
  .brand__text{font-size:14px}
  .page-hero h1{font-size:23px}
  .section-title{font-size:21px}
  .cta-band{padding:32px 22px}
  .step-card__num{top:10px;left:10px}
}

/* roulang page: article */
:root{
  --brand-1:#B5179E;
  --brand-2:#FF7A45;
  --brand-3:#FFB703;
  --grad:linear-gradient(120deg,#B5179E 0%,#FF7A45 100%);
  --grad-soft:linear-gradient(120deg,rgba(181,23,158,.12) 0%,rgba(255,122,69,.12) 100%);
  --ink-900:#150A1C;
  --ink-800:#1F0F2A;
  --bg-soft:#FBF7FC;
  --bg-card:#FFFFFF;
  --line:rgba(27,16,32,.08);
  --text-900:#1B1020;
  --text-600:#5C4A66;
  --text-400:#8E7E97;
  --mint:#2EC4B6;
  --warn:#FF9F1C;
  --error:#E5484D;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-1:0 6px 20px rgba(27,16,32,.06);
  --shadow-2:0 16px 40px rgba(181,23,158,.14);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-600);
  background:var(--bg-soft);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease)}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:600;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(181,23,158,.32);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.brand__mark{
  width:30px;height:30px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:700;
  flex:0 0 auto;box-shadow:0 6px 16px rgba(181,23,158,.28);
}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(21,10,28,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.13);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-solid{background:#150A1C;box-shadow:0 12px 32px rgba(21,10,28,.32)}
.nav-inner{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  align-items:center;
  height:64px;
  gap:20px;
}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto}
.brand__text{font-size:16px;font-weight:600;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:6px;min-width:0}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:14px;color:rgba(255,255,255,.66);white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav-link.is-active{color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(181,23,158,.34)}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  color:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);
  transition:all var(--ease);
}
.icon-btn:hover{color:#fff;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.1)}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all var(--ease);min-height:44px;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(181,23,158,.22)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(181,23,158,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{background:#fff;color:var(--brand-1);border-color:rgba(181,23,158,.4)}
.btn-ghost:hover{background:#F6EAF8;border-color:var(--brand-1)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.25)}
/* ---------- article hero ---------- */
.art-hero{
  position:relative;
  padding:26px 0 46px;
  color:#fff;
  background:
    linear-gradient(180deg,rgba(21,10,28,.9) 0%,rgba(21,10,28,.97) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.art-hero::after{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(181,23,158,.42) 0%,rgba(181,23,158,0) 68%);
  pointer-events:none;
}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);position:relative;z-index:2}
.crumb a{color:rgba(255,255,255,.62)}
.crumb a:hover{color:var(--mint)}
.crumb .sep{color:rgba(255,255,255,.34)}
.crumb-cat{color:rgba(255,255,255,.82)}
.crumb-current{color:rgba(255,255,255,.46);max-width:640px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-line{height:1px;background:rgba(255,255,255,.14);margin:16px 0 30px;position:relative;z-index:2}
.art-head{position:relative;z-index:2;max-width:900px}
.art-tag{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(46,196,182,.14);border:1px solid rgba(46,196,182,.42);color:var(--mint);
  font-size:13px;margin-bottom:18px;
}
.art-title{
  font-size:38px;line-height:1.32;color:#fff;font-weight:700;margin-bottom:20px;
  text-shadow:0 6px 26px rgba(0,0,0,.3);
}
.art-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13px;color:rgba(255,255,255,.66)}
.art-meta span{display:inline-flex;align-items:center;gap:8px}
.art-meta i{color:var(--brand-2)}
.art-meta b{color:#fff;font-weight:600}
/* ---------- layout ---------- */
.art-wrap{padding:56px 0 0}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.art-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:38px 40px;
}
/* ---------- prose ---------- */
.prose{font-size:16px;line-height:1.9;color:var(--text-600);max-width:800px}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{
  position:relative;font-size:24px;line-height:1.5;color:var(--text-900);
  margin:2em 0 .9em;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:4px;background:var(--grad);
}
.prose h3{font-size:19px;color:var(--text-900);margin:1.7em 0 .7em;padding-left:14px;position:relative}
.prose h3::before{
  content:"";position:absolute;left:0;top:.42em;width:8px;height:8px;border-radius:3px;background:var(--brand-2);
}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.2em}
.prose li{margin:.42em 0}
.prose ul li::marker{color:var(--brand-1)}
.prose ol li::marker{color:var(--brand-1);font-weight:600}
.prose blockquote{
  margin:1.5em 0;padding:18px 22px;border-left:3px solid var(--brand-1);
  background:#FBF7FC;border-radius:0 14px 14px 0;color:var(--text-600);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--shadow-1)}
.prose a{color:var(--brand-1);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--brand-2)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:var(--r-sm);overflow:hidden}
.prose thead th{background:#F3E9F6;color:var(--text-900);font-weight:600;text-align:left}
.prose th,.prose td{padding:12px 16px;border-bottom:1px solid var(--line)}
.prose tbody tr:nth-child(even){background:#FBF7FC}
.prose hr{border:0;height:1px;background:var(--line);margin:2em 0}
.prose figcaption,.prose .wp-caption-text{font-size:13px;color:var(--text-400);text-align:center;margin-top:-1em}
/* empty state */
.empty-state{text-align:center;padding:48px 16px;max-width:none}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand-1);font-size:24px;border:1px solid var(--line);
}
.empty-state p{font-size:16px;color:var(--text-600);margin-bottom:20px}
/* ---------- article footer blocks ---------- */
.art-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  background:#F7EFF9;color:var(--brand-1);font-size:13px;border:1px solid rgba(181,23,158,.16);
}
.tag:hover{background:var(--brand-1);color:#fff;border-color:var(--brand-1)}
.art-turn{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.turn-card{
  display:block;padding:20px 22px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--bg-card);box-shadow:var(--shadow-1);transition:all var(--ease);
}
.turn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(181,23,158,.24)}
.turn-label{display:block;font-size:12px;color:var(--text-400);margin-bottom:8px;letter-spacing:.04em}
.turn-title{display:block;font-size:15px;font-weight:600;color:var(--text-900);line-height:1.6}
.turn-card:hover .turn-title{color:var(--brand-1)}
/* ---------- sidebar ---------- */
.art-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:24px 22px;
}
.side-title{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-title i{color:var(--brand-1)}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--text-600);
}
.side-links a:hover{background:#F7EFF9;color:var(--brand-1)}
.side-links a i{font-size:11px;color:var(--text-400);transition:transform var(--ease)}
.side-links a:hover i{transform:translateX(3px);color:var(--brand-1)}
.side-facts{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.fact{display:flex;align-items:center;gap:12px}
.fact-badge{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(21,10,28,.92);color:var(--mint);font-size:12px;font-variant-numeric:tabular-nums;
}
.fact-badge i{font-size:10px}
.fact span{font-size:13px;color:var(--text-400)}
.side-cta{
  border-radius:var(--r-lg);padding:26px 22px;color:#fff;background:var(--grad);
  box-shadow:0 16px 36px rgba(181,23,158,.26);
}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px}
.side-cta p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.86);margin-bottom:18px}
.side-cta .btn{width:100%}
/* ---------- related ---------- */
.related{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-title{font-size:26px}
.section-sub{font-size:14px;color:var(--text-400);margin-top:8px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-1);font-weight:600}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-md);
  background:var(--bg-card);border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:all var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(181,23,158,.22)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad-soft)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-400)}
.rel-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:#F7EFF9;color:var(--brand-1);font-size:12px;
}
.rel-title{
  font-size:16px;font-weight:600;color:var(--text-900);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-title{color:var(--brand-1)}
.rel-desc{
  font-size:13px;color:var(--text-400);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.7);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:16px}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-list{display:flex;flex-direction:column;gap:11px;font-size:14px}
.footer-list a{color:rgba(255,255,255,.66)}
.footer-list a:hover{color:var(--mint)}
.footer-list span{color:rgba(255,255,255,.58)}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.48)}
.footer-bottom-links{display:flex;align-items:center;gap:18px;font-size:13px}
.footer-bottom-links a{color:rgba(255,255,255,.6)}
.footer-bottom-links a:hover{color:var(--mint)}
.to-top{
  width:42px;height:42px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.16);transition:all var(--ease);
}
.to-top:hover{background:var(--grad);border-color:transparent;transform:translateY(-2px)}
/* ---------- responsive ---------- */
@media (max-width:1100px){
  .art-layout{grid-template-columns:minmax(0,1fr)}
  .art-side{position:static;flex-direction:row;flex-wrap:wrap}
  .art-side>*{flex:1 1 280px}
  .art-title{font-size:32px}
}
@media (max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .container{padding:0 24px}
  .nav-inner{grid-template-columns:minmax(0,1fr) auto;height:56px;gap:12px}
  .nav-menu{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .nav-menu::-webkit-scrollbar{display:none}
  .nav-link{height:34px;padding:0 11px;font-size:13px}
  .brand__text{font-size:14px;max-width:42vw;overflow:hidden;text-overflow:ellipsis}
  .art-card{padding:28px 24px}
  .art-title{font-size:28px}
  .art-wrap{padding:40px 0 0}
}
@media (max-width:768px){
  .art-hero{padding:20px 0 36px}
  .art-meta{gap:8px 18px;font-size:12px}
  .prose{font-size:15.5px;line-height:1.86}
  .prose h2{font-size:21px}
  .prose h3{font-size:17px}
  .art-turn{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .related{margin-top:52px}
  .section-title{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px;margin-top:64px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .nav-right .btn{height:36px;padding:0 14px;font-size:13px}
  .icon-btn{width:36px;height:36px}
  .art-title{font-size:24px}
  .art-card{padding:22px 18px;border-radius:var(--r-md)}
  .breadcrumb-current{white-space:normal}
  .crumb-current{white-space:normal;max-width:none}
  .side-cta .btn,.art-card .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand-1:#B5179E;
  --brand-2:#FF7A45;
  --brand-3:#FFB703;
  --grad:linear-gradient(120deg,#B5179E 0%,#FF7A45 100%);
  --grad-soft:linear-gradient(120deg,rgba(181,23,158,.12) 0%,rgba(255,122,69,.12) 100%);
  --ink-900:#150A1C;
  --ink-800:#1F0F2A;
  --bg-soft:#FBF7FC;
  --bg-card:#FFFFFF;
  --line:rgba(27,16,32,.08);
  --text-900:#1B1020;
  --text-600:#5C4A66;
  --text-400:#8E7E97;
  --mint:#2EC4B6;
  --warn:#FF9F1C;
  --error:#E5484D;
  --radius-hero:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 6px 20px rgba(27,16,32,.06);
  --shadow-hover:0 16px 40px rgba(181,23,158,.14);
  --container:1200px;
  --gutter:32px;
  --nav-h:64px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-600);
  background:var(--bg-soft);
  letter-spacing:0;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover,a:focus{color:var(--brand-2);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(181,23,158,.35);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(181,23,158,.22);}
.btn-primary:hover,.btn-primary:focus{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(181,23,158,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-1);border-color:rgba(181,23,158,.4);}
.btn-ghost:hover,.btn-ghost:focus{background:#F8EDF8;color:var(--brand-1);border-color:var(--brand-1);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.35);}
.btn-light:hover,.btn-light:focus{background:rgba(255,255,255,.24);color:#fff;border-color:#fff;}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1);}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover i,.link-arrow:focus i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.4;
}
.badge-soft{background:#F6EDF9;color:var(--brand-1);border:1px solid rgba(181,23,158,.14);}
.badge-dark{background:var(--ink-900);color:var(--mint);border:1px solid rgba(46,196,182,.28);}
.badge-light{background:#fff;color:var(--brand-1);border:1px solid var(--line);}
.badge i{font-size:11px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:80;height:var(--nav-h);
  background:rgba(21,10,28,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#150A1C;box-shadow:0 10px 30px rgba(21,10,28,.3);}
.header-inner{height:100%;display:grid;grid-template-columns:52% 48%;align-items:center;}
.header-left{display:flex;align-items:center;gap:28px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;}
.brand:hover,.brand:focus{color:#fff;}
.brand__mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  box-shadow:0 6px 16px rgba(181,23,158,.4);flex:none;
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__text strong{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand__text em{font-style:normal;font-size:11.5px;color:rgba(255,255,255,.62);letter-spacing:.04em;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;font-size:14.5px;color:rgba(255,255,255,.78);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover,.nav-link:focus{color:#fff;background:rgba(255,255,255,.1);}
.nav-link.is-active{color:#fff;background:rgba(181,23,158,.34);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);}
.header-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;}
.icon-btn{
  width:40px;height:40px;min-height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,border-color .18s ease;
}
.icon-btn:hover,.icon-btn:focus{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease,opacity .2s 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);}
.mobile-menu{
  display:none;position:absolute;top:100%;left:0;right:0;
  background:#1F0F2A;border-top:1px solid rgba(255,255,255,.08);
  padding:18px 20px 26px;box-shadow:0 20px 40px rgba(0,0,0,.32);
}
.mobile-menu.is-open{display:block;}
.mobile-menu a.m-link{
  display:block;padding:13px 4px;color:rgba(255,255,255,.86);font-size:15.5px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-menu a.m-link:hover,.mobile-menu a.m-link:focus{color:var(--mint);}
.mobile-menu a.m-link.is-active{color:#fff;font-weight:600;}
.mobile-menu .btn{margin-top:18px;}

/* ============ 页面头 ============ */
.page-main{padding-top:var(--nav-h);}
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:64px 0 72px;
  background:linear-gradient(120deg,rgba(21,10,28,.95) 0%,rgba(31,15,42,.88) 55%,rgba(21,10,28,.94) 100%),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;top:-140px;right:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.42) 0%,rgba(181,23,158,.24) 45%,rgba(21,10,28,0) 72%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover,.breadcrumb a:focus{color:var(--mint);}
.breadcrumb .sep{color:rgba(255,255,255,.4);}
.breadcrumb .current{color:rgba(255,255,255,.55);}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:.01em;color:#fff;
  max-width:820px;
}
.page-hero .hero-desc{
  margin-top:20px;max-width:720px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.76);
}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:8px;}
.hero-note i{color:var(--mint);}

/* ============ 指标条 ============ */
.metric-strip{
  margin-top:-38px;position:relative;z-index:5;
}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:0 18px 44px rgba(27,16,32,.1);
  padding:26px 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.metric{display:flex;flex-direction:column;gap:8px;padding-right:20px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;padding-right:0;}
.metric__value{font-size:34px;font-weight:700;line-height:1;color:var(--text-900);display:flex;align-items:baseline;gap:4px;}
.metric__value span.unit{font-size:14px;font-weight:600;color:var(--brand-1);}
.metric__label{font-size:13.5px;color:var(--text-400);line-height:1.6;}
.metric .badge{align-self:flex-start;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-1);
  background:#F6EDF9;border:1px solid rgba(181,23,158,.14);border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:11px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--text-900);letter-spacing:.01em;}
.section-head p{margin-top:16px;font-size:15.5px;color:var(--text-600);line-height:1.85;}

/* ============ 交替分栏模块 ============ */
.split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:34px 0;
}
.split-row + .split-row{border-top:1px solid var(--line);}
.split-row.is-reverse .split-copy{order:2;}
.split-row.is-reverse .split-media{order:1;}
.split-copy h3{font-size:23px;line-height:1.45;font-weight:600;color:var(--text-900);margin:14px 0 12px;}
.split-copy p{font-size:15.5px;line-height:1.85;color:var(--text-600);}
.split-media{position:relative;}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease;
}
.split-row:hover .split-media img{transform:translateY(-4px) scale(1.015);box-shadow:var(--shadow-hover);}
.split-media .float-badge{
  position:absolute;left:18px;bottom:18px;background:rgba(21,10,28,.86);color:#fff;
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:8px 16px;
  font-size:13px;display:inline-flex;align-items:center;gap:8px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.split-media .float-badge i{color:var(--mint);}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-600);line-height:1.7;}
.check-list li::before{
  content:"";flex:none;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:var(--grad-soft);border:1px solid rgba(181,23,158,.25);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B5179E' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:12px 12px;background-position:center;background-repeat:no-repeat;
}
.split-copy .link-arrow{margin-top:20px;}

/* ============ 说明区块（深底） ============ */
.explain-band{
  position:relative;overflow:hidden;color:#fff;padding:88px 0;
  background:linear-gradient(120deg,rgba(21,10,28,.94) 0%,rgba(31,15,42,.9) 100%),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.explain-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.explain-copy h2{font-size:30px;line-height:1.35;font-weight:700;color:#fff;}
.explain-copy > p{margin-top:16px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.74);}
.explain-list{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.explain-list li{display:flex;gap:14px;align-items:flex-start;}
.explain-list .idx{
  flex:none;width:32px;height:32px;border-radius:10px;background:rgba(181,23,158,.28);
  border:1px solid rgba(255,255,255,.18);color:#fff;font-size:14px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.explain-list strong{display:block;font-size:15.5px;color:#fff;font-weight:600;}
.explain-list span{display:block;font-size:14px;color:rgba(255,255,255,.66);line-height:1.7;margin-top:4px;}
.explain-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-hero);
  border:1px solid rgba(255,255,255,.14);
}
.badge-row{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;}

/* ============ FAQ ============ */
.faq-accordion{max-width:900px;margin:0 auto;padding:0;list-style:none;}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  margin-bottom:14px;box-shadow:var(--shadow-card);transition:box-shadow .2s ease;
}
.faq-accordion .accordion-item:hover{box-shadow:var(--shadow-hover);}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;margin:0;background:#fff;border:0;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--text-900);
  transition:background-color .2s ease,color .2s ease;
}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-title:focus{background:#FBF3FC;color:var(--brand-1);}
.faq-accordion .accordion-title::before{
  content:"+";order:2;flex:none;margin:0;width:auto;position:static;float:none;
  font-size:24px;font-weight:400;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{background:#F6EDF9;color:var(--text-900);}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:rotate(45deg);content:"+";}
.faq-accordion .accordion-content{
  padding:2px 22px 20px;border-top:1px solid var(--line);background:#fff;
  font-size:15px;line-height:1.9;color:var(--text-600);
}
.faq-accordion .accordion-content p{margin:0;}

/* ============ 表单 / CTA ============ */
.cta-band{padding:88px 0;background:#fff;border-top:1px solid var(--line);}
.lead-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:start;}
.lead-copy h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--text-900);}
.lead-copy p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--text-600);}
.lead-copy .check-list{margin-top:22px;}
.lead-copy .check-list li{font-size:15px;color:var(--text-600);}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:0 14px 40px rgba(27,16,32,.08);padding:30px;
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--text-900);margin-bottom:8px;}
.form-row label .req{color:var(--error);margin-left:2px;}
.form-row input[type="text"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 14px;color:var(--text-900);background:#FDFBFE;min-height:46px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.form-row textarea{min-height:104px;resize:vertical;line-height:1.7;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 3px rgba(181,23,158,.14);
}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-400);line-height:1.7;}
.form-note a{color:var(--text-400);text-decoration:underline;}
.form-note a:hover,.form-note a:focus{color:var(--brand-1);}
.form-feedback{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--radius-sm);
  background:#EAF9F7;border:1px solid rgba(46,196,182,.35);color:#1B7A70;font-size:14px;
}
.form-feedback.is-visible{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.7);padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand__mark{width:32px;height:32px;border-radius:10px;font-size:16px;}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-list{display:flex;flex-direction:column;gap:11px;font-size:14px;}
.footer-list a,.footer-list span{color:rgba(255,255,255,.66);}
.footer-list a:hover,.footer-list a:focus{color:var(--mint);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0;}
.footer-bottom-links{display:flex;align-items:center;gap:18px;}
.footer-bottom-links a{color:rgba(255,255,255,.6);}
.footer-bottom-links a:hover,.footer-bottom-links a:focus{color:var(--mint);}
.to-top{
  width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,transform .18s ease;
}
.to-top:hover,.to-top:focus{background:var(--grad);border-color:transparent;transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--gutter:24px;}
  .page-hero h1{font-size:40px;}
  .header-inner{grid-template-columns:55% 45%;}
  .split-row{gap:40px;}
  .explain-grid{gap:40px;}
}
@media (max-width:1023px){
  .page-hero{padding:56px 0 64px;}
  .page-hero h1{font-size:34px;}
  .metric-card{grid-template-columns:repeat(2,1fr);gap:20px 24px;padding:24px;}
  .metric{border-right:0;padding-right:0;}
  .metric:nth-child(odd){border-right:1px solid var(--line);padding-right:20px;}
  .split-row{grid-template-columns:1fr;gap:24px;padding:30px 0;}
  .split-row.is-reverse .split-copy,.split-row.is-reverse .split-media{order:0;}
  .split-media{order:-1 !important;}
  .explain-grid{grid-template-columns:1fr;gap:32px;}
  .explain-media{order:-1;}
  .lead-grid{grid-template-columns:1fr;gap:32px;}
  .section{padding:64px 0;}
  .cta-band,.explain-band{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--nav-h:56px;--gutter:20px;}
  body{font-size:15.5px;}
  .nav-menu{display:none;}
  .header-right .btn-primary{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{grid-template-columns:1fr auto;}
  .brand__text em{display:none;}
  .page-hero{padding:40px 0 56px;}
  .page-hero h1{font-size:27px;line-height:1.35;}
  .page-hero .hero-desc{font-size:15px;}
  .hero-actions .btn{flex:1 1 100%;}
  .metric-strip{margin-top:-28px;}
  .metric-card{grid-template-columns:1fr 1fr;padding:20px;gap:18px;}
  .metric:nth-child(odd){border-right:1px solid var(--line);padding-right:14px;}
  .metric__value{font-size:26px;}
  .section-head h2,.lead-copy h2,.explain-copy h2{font-size:23px;}
  .split-copy h3{font-size:19.5px;}
  .split-media .float-badge{position:static;margin-top:12px;display:inline-flex;}
  .section{padding:52px 0;}
  .cta-band,.explain-band{padding:52px 0;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .faq-accordion .accordion-title{font-size:15.5px;padding:16px 18px;}
  .faq-accordion .accordion-content{padding:2px 18px 18px;font-size:14.5px;}
}
@media (max-width:519px){
  .metric-card{grid-template-columns:1fr;}
  .metric{border-right:0 !important;padding-right:0 !important;}
  .header-right{gap:8px;}
  .brand__mark{width:30px;height:30px;border-radius:9px;font-size:15px;}
  .brand__text strong{font-size:15px;}
  .page-hero h1{font-size:24px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .badge-row .badge{width:100%;justify-content:center;}
}