/* roulang page: index */
:root{
  --brand:#241338;
  --brand-deep:#1B0E2B;
  --brand-hover:#34205A;
  --accent:#E8437A;
  --accent-bright:#FF5C8A;
  --jade:#17A97F;
  --bg:#FAF6F2;
  --surface:#FFFFFF;
  --line:#E9E2DA;
  --ink:#1A1420;
  --ink-2:#5C5468;
  --ink-3:#8C8496;
  --err:#C93B33;
  --r-card:18px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(26,15,43,.06);
  --sh-2:0 12px 28px rgba(26,15,43,.12);
  --sh-3:0 24px 60px rgba(26,15,43,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sb:248px;
  --bs-primary:#241338;
  --bs-body-bg:#FAF6F2;
  --bs-body-color:#1A1420;
  --bs-border-color:#E9E2DA;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-sm:8px;
  --bs-link-color:#241338;
  --bs-link-hover-color:#E8437A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(232,67,122,.35);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;line-height:1.28;}
p{margin:0 0 1.25rem;}
p:last-child{margin-bottom:0;}

/* ============ shell ============ */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sb);
  background:var(--brand-deep);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;z-index:1045;
}
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px 22px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent) 0%,#7A2D6B 100%);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:1rem;letter-spacing:-0.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;overflow:hidden;}
.brand-text b{color:#fff;font-size:1.0625rem;font-weight:800;letter-spacing:-0.01em;white-space:nowrap;}
.brand-text span{color:rgba(255,255,255,.6);font-size:.75rem;letter-spacing:.06em;white-space:nowrap;}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px;}
.side-nav a{
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.72);font-size:.9375rem;font-weight:500;
  position:relative;white-space:nowrap;
}
.side-nav a i{width:18px;font-size:.9375rem;text-align:center;opacity:.9;}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-nav a.active{background:rgba(232,67,122,.14);color:#fff;font-weight:600;}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:2px;background:var(--accent);
}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);}
.side-note{margin-top:12px;color:rgba(255,255,255,.55);font-size:.75rem;line-height:1.7;}
.side-note strong{color:rgba(255,255,255,.8);font-weight:600;}

.topbar{
  display:none;position:sticky;top:0;z-index:1035;
  height:60px;align-items:center;gap:12px;padding:0 16px;
  background:var(--brand-deep);transition:box-shadow .22s var(--ease);
}
.topbar.is-scrolled{box-shadow:0 8px 24px rgba(20,10,35,.34);}
.topbar .tb-brand{display:flex;flex-direction:column;line-height:1.15;margin-right:auto;overflow:hidden;}
.topbar .tb-brand b{color:#fff;font-size:.9375rem;font-weight:800;}
.topbar .tb-brand span{color:rgba(255,255,255,.58);font-size:.6875rem;letter-spacing:.05em;}
.icon-btn{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;cursor:pointer;
}
.icon-btn:hover{background:rgba(255,255,255,.14);}

.shell-main{margin-left:var(--sb);min-height:100vh;display:flex;flex-direction:column;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 48px;}
.section{padding:88px 0;}
.section.tight{padding:64px 0;}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:.9375rem;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);}
.btn:active{transform:translateY(1px);}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-brand:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(232,67,122,.24);}
.btn-accent:hover{background:#D63568;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,67,122,.28);}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand);}
.btn-ghost:hover{background:rgba(36,19,56,.08);color:var(--brand);transform:translateY(-2px);}
.btn-light-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.42);}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-sm{height:36px;padding:0 16px;font-size:.875rem;border-radius:10px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.6;cursor:default;transform:none;}

/* ============ badges / tags ============ */
.badge-pill{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:.75rem;font-weight:600;letter-spacing:.02em;}
.badge-cat{background:rgba(232,67,122,.1);color:#C22F62;}
.badge-tag{background:rgba(23,169,127,.1);color:#0F7B5B;}
.badge-soft{background:rgba(36,19,56,.08);color:#4A3A63;}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;background:var(--surface);border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,67,122,.10),rgba(232,67,122,0) 68%);
}
.hero::after{
  content:"";position:absolute;width:380px;height:380px;left:-120px;bottom:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,169,127,.10),rgba(23,169,127,0) 68%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;color:var(--accent);letter-spacing:.08em;margin-bottom:18px;}
.eyebrow::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);}
.hero h1{font-size:clamp(2rem,4vw,3.25rem);font-weight:800;letter-spacing:-0.02em;line-height:1.2;}
.hero-sub{margin-top:20px;font-size:1.0625rem;color:var(--ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-actions .hint{font-size:.8125rem;color:var(--ink-3);align-self:center;}
.trust-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.trust-row div{display:flex;flex-direction:column;}
.trust-row b{font-size:1.375rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-0.02em;color:var(--brand);}
.trust-row span{font-size:.8125rem;color:var(--ink-3);}
.hero-media{position:relative;}
.hero-media .main-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2);
}
.hero-media .float-img{
  position:absolute;right:-14px;bottom:-26px;width:44%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);border:5px solid #fff;box-shadow:var(--sh-2);
}
.hero-media .stage-chip{
  position:absolute;left:-14px;top:22px;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.hero-media .stage-chip i{color:var(--jade);font-size:1.125rem;}
.hero-media .stage-chip b{display:block;font-size:.875rem;font-weight:700;}
.hero-media .stage-chip span{font-size:.75rem;color:var(--ink-3);}

/* ============ section head ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--accent);}
.sec-head p{margin:10px 0 0;color:var(--ink-2);font-size:.9375rem;max-width:44em;}
.sec-head .more{flex:0 0 auto;font-size:.875rem;font-weight:600;color:var(--accent);}
.sec-head .more:hover{color:#C22F62;}

/* ============ pain cards ============ */
.pain-grid{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start;}
.pain-lead{position:sticky;top:32px;}
.pain-lead h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;padding-left:16px;position:relative;}
.pain-lead h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--accent);}
.pain-lead p{margin-top:16px;color:var(--ink-2);font-size:.9375rem;}
.pain-list{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.pain-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);position:relative;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.pain-item::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:var(--r-card) var(--r-card) 0 0;
  background:var(--accent);opacity:0;transition:opacity .2s var(--ease);}
.pain-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pain-item:hover::before{opacity:1;}
.pain-item .num{font-size:.8125rem;font-weight:800;color:var(--accent-bright);font-variant-numeric:tabular-nums;letter-spacing:.06em;}
.pain-item h3{font-size:1.0625rem;font-weight:700;margin-top:10px;}
.pain-item .ans{margin-top:10px;font-size:.9375rem;line-height:1.7;color:var(--ink-2);}

/* ============ solution cards ============ */
.sol-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;align-items:stretch;}
.sol-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.sol-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.sol-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.sol-main .body{padding:28px;}
.sol-main h3{font-size:1.25rem;font-weight:700;}
.sol-main ul{list-style:none;margin:18px 0 22px;padding:0;display:flex;flex-direction:column;gap:12px;}
.sol-main ul li{display:flex;gap:10px;font-size:.9375rem;color:var(--ink-2);line-height:1.65;}
.sol-main ul li i{color:var(--jade);margin-top:5px;font-size:.8125rem;}
.sol-side{display:flex;flex-direction:column;gap:20px;}
.sol-mini{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  display:flex;gap:18px;align-items:flex-start;box-shadow:var(--sh-1);flex:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.sol-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.sol-mini .ico{width:56px;height:56px;flex:0 0 56px;border-radius:14px;background:rgba(36,19,56,.06);
  display:grid;place-items:center;color:var(--brand);font-size:1.25rem;}
.sol-mini h3{font-size:1.0625rem;font-weight:700;}
.sol-mini p{margin-top:8px;font-size:.9375rem;color:var(--ink-2);line-height:1.7;}
.sol-mini .go{margin-left:auto;color:var(--accent);font-size:.875rem;padding-top:4px;}

/* ============ data block ============ */
.data-block{background:var(--brand);color:#fff;position:relative;overflow:hidden;}
.data-block::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.14;}
.data-block::after{content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,67,122,.22),rgba(232,67,122,0) 70%);}
.data-block .wrap{position:relative;z-index:2;}
.data-block .sec-head h2{color:#fff;padding-left:16px;}
.data-block .sec-head h2::before{background:var(--accent-bright);}
.data-block .sec-head p{color:rgba(255,255,255,.72);}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--r-card);padding:28px 26px;}
.stat .val{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-0.03em;color:var(--accent-bright);}
.stat .val span{font-size:1.125rem;margin-left:6px;font-weight:700;color:rgba(255,255,255,.72);}
.stat p{margin-top:14px;font-size:.875rem;color:rgba(255,255,255,.72);line-height:1.6;}
.case-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;}
.case-item{border-top:2px solid rgba(255,255,255,.16);padding-top:18px;}
.case-item .badge-pill{background:rgba(255,255,255,.12);color:#fff;}
.case-item p{margin-top:14px;font-size:.9375rem;color:rgba(255,255,255,.88);line-height:1.7;}
.case-item .when{margin-top:12px;font-size:.8125rem;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums;}

/* ============ form ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.form-copy h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;padding-left:16px;position:relative;}
.form-copy h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--accent);}
.promise{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-direction:column;gap:16px;}
.promise li{display:flex;gap:12px;font-size:.9375rem;color:var(--ink-2);line-height:1.7;}
.promise li i{color:var(--jade);margin-top:5px;font-size:.8125rem;}
.privacy-inline{margin-top:22px;font-size:.8125rem;color:var(--ink-3);display:flex;gap:8px;align-items:flex-start;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-2);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:8px;}
.field .req{color:var(--err);margin-left:2px;}
.control{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;font-size:.9375rem;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
textarea.control{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
select.control{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235C5468'%3E%3Cpath d='M8 11 3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:38px;}
.control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,67,122,.18);}
.field .tip{font-size:.8125rem;color:var(--ink-3);margin-top:6px;}
.field .err{display:none;font-size:.8125rem;color:var(--err);margin-top:6px;}
.field.has-err .control{border-color:var(--err);}
.field.has-err .err{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.8125rem;color:var(--ink-2);line-height:1.6;}
.check input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--accent);}

/* ============ privacy bar ============ */
.privacy-bar{background:#F3EDE7;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.privacy-bar .wrap{display:flex;align-items:center;gap:14px;min-height:64px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;}
.privacy-bar i{color:var(--jade);font-size:1rem;}
.privacy-bar p{margin:0;font-size:.875rem;color:var(--ink-2);}
.privacy-bar a{margin-left:auto;font-size:.875rem;font-weight:600;color:var(--accent);}

/* ============ cms news ============ */
.cms-news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.cms-news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);position:relative;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.cms-news-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent);opacity:0;transition:opacity .2s var(--ease);z-index:3;}
.cms-news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cms-news-card:hover::before{opacity:1;}
.cms-news-card.feature{grid-column:span 2;flex-direction:row;}
.cms-news-card.feature .thumb{width:46%;flex:0 0 46%;aspect-ratio:auto;}
.cms-news-card .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:rgba(36,19,56,.08);}
.cms-news-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cms-news-card h3{font-size:1.125rem;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-news-card h3 a{color:var(--ink);}
.cms-news-card h3 a:hover{color:var(--accent);}
.cms-news-card .excerpt{font-size:.9375rem;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-news-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.cms-news-card .date{font-size:.8125rem;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.cms-news-card .read{font-size:.875rem;font-weight:600;color:var(--accent);}
.cms-empty{
  grid-column:span 2;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.cms-empty i{font-size:48px;color:var(--ink-3);display:block;margin-bottom:14px;}
.cms-empty p{color:var(--ink-2);font-size:.9375rem;}

/* ============ faq ============ */
.accordion.faq{--bs-accordion-border-color:var(--line);--bs-accordion-border-radius:var(--r-card);}
.accordion.faq .accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card)!important;margin-bottom:14px;overflow:hidden;box-shadow:none;}
.accordion.faq .accordion-button{
  background:var(--surface);color:var(--ink);font-weight:700;font-size:1rem;padding:20px 24px;box-shadow:none!important;
  border-radius:var(--r-card)!important;
}
.accordion.faq .accordion-button:not(.collapsed){color:var(--accent);background:#fff;}
.accordion.faq .accordion-button::after{
  width:18px;height:18px;background-size:18px;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E8437A'%3E%3Cpath d='M8 2v12M2 8h12' stroke='%23E8437A' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  transition:transform .2s var(--ease);
}
.accordion.faq .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M2 8h12' stroke='%23E8437A' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  transform:rotate(180deg);
}
.accordion.faq .accordion-body{padding:0 24px 22px;color:var(--ink-2);font-size:.9375rem;line-height:1.8;}

/* ============ footer ============ */
.site-foot{background:var(--brand);color:#fff;padding:64px 0 26px;margin-top:auto;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-foot h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-brand .brand{margin-bottom:16px;padding:0;}
.foot-brand p{color:rgba(255,255,255,.62);font-size:.875rem;line-height:1.8;max-width:28em;}
.foot-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px;}
.foot-links a{color:rgba(255,255,255,.68);font-size:.875rem;line-height:2;}
.foot-links a:hover{color:var(--accent-bright);}
.foot-contact p{color:rgba(255,255,255,.68);font-size:.875rem;line-height:2;margin:0;}
.foot-contact b{color:#fff;font-weight:700;font-variant-numeric:tabular-nums;}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.5);}
.foot-bottom a{color:rgba(255,255,255,.6);}
.foot-bottom a:hover{color:var(--accent-bright);}

/* ============ modal / offcanvas ============ */
.modal-content{border:none;border-radius:var(--r-card);box-shadow:var(--sh-3);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px;}
.modal-title{font-size:1.125rem;font-weight:700;}
.modal-body{padding:24px 26px;}
.modal-footer{border-top:1px solid var(--line);padding:16px 26px;}
.btn-close:focus{box-shadow:0 0 0 3px rgba(232,67,122,.3);}
.offcanvas{background:var(--brand-deep);color:#fff;width:min(82vw,320px);}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);}
.offcanvas-title{color:#fff;font-size:1rem;font-weight:700;}
.offcanvas .btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.offcanvas-body{padding:18px 16px;}
.offcanvas .side-note{font-size:.75rem;color:rgba(255,255,255,.5);margin-top:18px;}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  :root{--sb:208px;}
  .wrap{padding:0 32px;}
  .hero-grid{gap:36px;}
  .pain-grid{grid-template-columns:1fr;gap:32px;}
  .pain-lead{position:static;}
  .form-grid{gap:36px;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .shell-main{margin-left:0;}
  .section{padding:64px 0;}
  .hero{padding:52px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .hero-media .float-img{right:0;bottom:-20px;width:40%;}
  .sol-grid{grid-template-columns:1fr;}
  .cms-news-card.feature{grid-column:span 2;flex-direction:column;}
  .cms-news-card.feature .thumb{width:100%;flex:none;aspect-ratio:16/9;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .section{padding:48px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .case-row{grid-template-columns:1fr;gap:22px;}
  .pain-list{grid-template-columns:1fr;}
  .cms-news-list{grid-template-columns:1fr;}
  .cms-news-card.feature{grid-column:span 1;}
  .cms-empty{grid-column:span 1;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .form-card{padding:24px 20px;}
  .trust-row{gap:20px;}
  .hero-media .stage-chip{left:0;top:14px;padding:10px 12px;}
  .accordion.faq .accordion-button{padding:16px 18px;font-size:.9375rem;}
  .accordion.faq .accordion-body{padding:0 18px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .hero h1{font-size:1.75rem;}
  .hero-actions .btn{width:100%;}
  .hero-actions .hint{width:100%;text-align:center;}
  .hero-media .float-img{display:none;}
  .stat-grid{grid-template-columns:1fr;}
  .stat{padding:22px 20px;}
  .sol-main .body{padding:22px 20px;}
  .sol-mini{padding:20px;gap:14px;}
  .sol-mini .ico{width:44px;height:44px;flex:0 0 44px;font-size:1rem;}
  .badge-pill{font-size:.6875rem;}
}

/* roulang page: article */
:root{
  --plum:#241338;
  --plum-deep:#1B0E2B;
  --plum-soft:#34205A;
  --pink:#E8437A;
  --pink-bright:#FF5C8A;
  --jade:#17A97F;
  --bg:#FAF6F2;
  --card:#FFFFFF;
  --line:#E9E2DA;
  --ink:#1A1420;
  --ink-2:#5C5468;
  --ink-3:#8C8496;
  --err:#C93B33;
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(26,15,43,.06);
  --sh-2:0 12px 28px rgba(26,15,43,.12);
  --sh-3:0 24px 60px rgba(26,15,43,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#241338;
  --bs-body-bg:#FAF6F2;
  --bs-body-color:#1A1420;
  --bs-border-color:#E9E2DA;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-sm:8px;
  --bs-link-color:#241338;
  --bs-link-hover-color:#E8437A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--plum);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--pink)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(232,67,122,.35);outline-offset:2px;border-radius:6px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}

/* ============ 布局骨架 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:var(--plum-deep);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;
  z-index:1040;
}
.main-area{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}
.page{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}

/* ============ 品牌标 ============ */
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(140deg,var(--pink) 0%,var(--plum-soft) 100%);
  display:grid;place-items:center;
  font-size:.95rem;font-weight:800;letter-spacing:.02em;color:#fff;
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;color:#fff}
.brand-text span{font-size:.75rem;color:rgba(255,255,255,.6);letter-spacing:.06em}

/* ============ 侧栏导航 ============ */
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:28px;flex:1}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.72);font-size:.9375rem;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.side-nav a i{width:18px;font-size:.875rem;text-align:center;opacity:.85}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-nav a.active{background:rgba(232,67,122,.14);color:#fff;font-weight:600}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--pink);
}
.side-foot{padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.side-note{margin-top:10px;font-size:.75rem;line-height:1.8;color:rgba(255,255,255,.5)}

/* ============ 按钮 ============ */
.btn{
  border-radius:var(--r-btn);font-weight:600;font-size:.9375rem;
  min-height:44px;padding:0 22px;display:inline-flex;align-items:center;
  justify-content:center;gap:8px;border:1.5px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--plum);color:#fff;border-color:var(--plum)}
.btn-brand:hover{background:var(--plum-soft);border-color:var(--plum-soft);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--pink);color:#fff;border-color:var(--pink)}
.btn-accent:hover{background:#D5376B;border-color:#D5376B;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--plum);border-color:var(--plum)}
.btn-ghost:hover{background:rgba(36,19,56,.08);color:var(--plum);transform:translateY(-2px)}
.btn-sm{min-height:36px;padding:0 16px;font-size:.875rem}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  position:sticky;top:0;z-index:1030;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  height:60px;padding:0 16px;background:var(--plum-deep);
  transition:box-shadow .2s var(--ease);
}
.mobile-bar.scrolled{box-shadow:0 8px 24px rgba(26,15,43,.35)}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;
}
.icon-btn:hover{background:rgba(255,255,255,.14)}
.icon-btn.accent{background:var(--pink);border-color:var(--pink)}
.icon-btn.accent:hover{background:#D5376B}
.brand-sm .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:.8rem;border-radius:10px}
.brand-sm .brand-text b{font-size:.9375rem}
.brand-sm .brand-text span{font-size:.6875rem}

/* ============ 抽屉 ============ */
.offcanvas.side-drawer{width:min(82vw,320px);background:var(--plum-deep);color:#fff;border:0}
.side-drawer .offcanvas-header{padding:18px 18px 6px}
.side-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7}
.side-drawer .offcanvas-body{padding:8px 16px 24px;display:flex;flex-direction:column}
.drawer-privacy{margin-top:14px;font-size:.75rem;color:rgba(255,255,255,.45)}

/* ============ 面包屑 ============ */
.cms-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.875rem;color:var(--ink-3);
  padding:28px 0 20px;
}
.cms-breadcrumb a{color:var(--ink-2)}
.cms-breadcrumb a:hover{color:var(--pink);text-decoration:underline}
.cms-breadcrumb .sep{color:#C9C1B8}
.cms-breadcrumb .cur{color:var(--ink-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章区 ============ */
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start;padding-bottom:72px}
.article-col{min-width:0}

.cms-article-head{padding-bottom:20px}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.badge-cat,.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:.75rem;font-weight:600;line-height:1;
}
.badge-cat{background:rgba(36,19,56,.1);color:var(--plum)}
.badge-brand{background:rgba(232,67,122,.1);color:var(--pink)}
.cms-article-head h1{
  font-size:clamp(1.75rem,3.2vw,2.5rem);font-weight:800;letter-spacing:-.02em;
  line-height:1.35;color:var(--ink);
}
.art-meta{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:16px;
  font-size:.875rem;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.art-meta i{color:var(--pink);margin-right:5px;font-size:.8125rem}
.art-rule{height:2px;background:var(--pink);width:64px;border-radius:2px;margin:22px 0 0}

.cms-article-body{
  max-width:760px;font-size:1.0625rem;line-height:1.9;color:#2B2333;
  padding-top:28px;
}
.cms-article-body>p{margin:0 0 1.5rem}
.cms-article-body>p:first-of-type{font-size:1.125rem;color:var(--ink);line-height:1.85}
.cms-article-body h2{
  position:relative;font-size:clamp(1.3rem,2vw,1.5rem);font-weight:700;
  margin:2.6rem 0 1rem;padding-left:16px;line-height:1.5;color:var(--ink);
}
.cms-article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--pink);
}
.cms-article-body h3{font-size:1.25rem;font-weight:700;margin:2rem 0 .75rem;color:var(--ink)}
.cms-article-body h4{font-size:1.0625rem;font-weight:700;margin:1.6rem 0 .6rem}
.cms-article-body img{border-radius:var(--r-img);margin:1.6rem 0}
.cms-article-body figure{margin:1.6rem 0}
.cms-article-body figcaption{text-align:center;font-size:.875rem;color:var(--ink-3);margin-top:8px}
.cms-article-body blockquote{
  border-left:3px solid var(--plum);background:#F4EFE9;
  padding:16px 20px;border-radius:0 12px 12px 0;margin:1.6rem 0;color:var(--ink-2);
}
.cms-article-body blockquote p:last-child{margin-bottom:0}
.cms-article-body ul,.cms-article-body ol{margin:0 0 1.5rem;padding-left:1.25rem}
.cms-article-body ul{list-style:none;padding-left:0}
.cms-article-body ul>li{position:relative;padding-left:22px;margin:.55rem 0}
.cms-article-body ul>li::before{
  content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;
  border-radius:2px;background:var(--pink);
}
.cms-article-body ol>li{margin:.55rem 0;padding-left:4px}
.cms-article-body ol>li::marker{color:var(--plum);font-weight:700}
.cms-article-body a{color:var(--plum);text-decoration:underline;text-underline-offset:3px}
.cms-article-body a:hover{color:var(--pink)}
.cms-article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:.9375rem;margin:1.6rem 0;
}
.cms-article-body th,.cms-article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.cms-article-body th{background:#F4EFE9;font-weight:700;white-space:nowrap}
.cms-article-body hr{border:0;border-top:1px solid var(--line);margin:2.4rem 0}
.cms-article-body code{background:#F4EFE9;padding:2px 6px;border-radius:6px;font-size:.9em}

/* ============ 文末工具条 ============ */
.art-foot{max-width:760px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag-label{font-size:.8125rem;color:var(--ink-3);margin-right:2px}
.badge-tag{background:rgba(23,169,127,.12);color:#0E7A5C}
.share-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ============ 空态 ============ */
.cms-empty{
  max-width:760px;margin:36px auto 0;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.cms-empty i{font-size:48px;color:#D7CEC4}
.cms-empty p{margin:18px 0 20px;color:var(--ink-2)}

/* ============ 相关推荐 ============ */
.cms-related{margin-top:56px}
.cms-related h2{font-size:1.25rem;font-weight:700;margin-bottom:18px;color:var(--ink)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD3C8;color:inherit}
.rel-card .rel-kicker{font-size:.75rem;font-weight:600;color:var(--pink);letter-spacing:.04em}
.rel-card b{display:block;margin-top:8px;font-size:1rem;font-weight:700;color:var(--ink);line-height:1.5}
.rel-card span{display:block;margin-top:8px;font-size:.875rem;color:var(--ink-3)}

/* ============ 右侧栏 ============ */
.aside-stack{display:flex;flex-direction:column;gap:24px;position:sticky;top:24px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:1rem;font-weight:700;margin-bottom:16px;color:var(--ink);display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--pink)}
.hot-list li+li{border-top:1px dashed var(--line)}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  font-size:.9375rem;color:var(--ink-2);line-height:1.6;
}
.hot-list a:hover{color:var(--pink)}
.hot-list .num{
  flex:0 0 22px;height:22px;border-radius:6px;background:rgba(36,19,56,.08);
  color:var(--plum);font-size:.75rem;font-weight:700;
  display:grid;place-items:center;margin-top:3px;font-variant-numeric:tabular-nums;
}
.hot-list li:nth-child(1) .num{background:var(--pink);color:#fff}
.hot-list li:nth-child(2) .num{background:rgba(232,67,122,.18);color:var(--pink)}
.side-card.dark{background:var(--plum);border-color:var(--plum);color:#fff}
.side-card.dark h3{color:#fff}
.side-card.dark p{font-size:.875rem;color:rgba(255,255,255,.72);margin-bottom:16px;line-height:1.8}

/* ============ 表单 ============ */
.form-label{font-size:.875rem;font-weight:600;color:var(--ink);margin-bottom:6px;display:block}
.form-control,.form-select{
  min-height:46px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:.9375rem;padding:.5rem .875rem;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.form-control:focus,.form-select:focus{
  border-color:var(--plum);box-shadow:0 0 0 3px rgba(36,19,56,.14);outline:none;
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--err);box-shadow:0 0 0 3px rgba(201,59,51,.12)}
.err-text{display:none;font-size:.8125rem;color:var(--err);margin-top:4px}
.err-text.show{display:block}
.form-hint{font-size:.8125rem;color:var(--ink-3);margin-top:6px}
.form-check-input{width:1.05em;height:1.05em;border-color:#C9C1B8;margin-top:.28em}
.form-check-input:checked{background-color:var(--pink);border-color:var(--pink)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(232,67,122,.28);border-color:var(--pink)}
.form-check-label{font-size:.8125rem;color:var(--ink-2)}

/* ============ 弹层 ============ */
.modal-content{border:0;border-radius:var(--r-card);box-shadow:var(--sh-3);overflow:hidden}
.modal-body{padding:26px 28px 28px}
.modal-title{font-size:1.125rem;font-weight:700;color:var(--ink)}
.modal .btn-close{opacity:.5}
.modal .btn-close:hover{opacity:.9}
.modal-backdrop.show{opacity:.55}
.modal-lead{font-size:.875rem;color:var(--ink-3);margin:6px 0 18px}

/* ============ 页脚 ============ */
.site-foot{background:var(--plum-deep);color:rgba(255,255,255,.72);margin-top:auto;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.3fr;gap:36px;padding-bottom:44px}
.site-foot .brand{margin-bottom:16px}
.site-foot .foot-brand p{font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.55)}
.site-foot h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:16px}
.foot-links li a{
  display:inline-block;line-height:2;font-size:.875rem;
  color:rgba(255,255,255,.68);transition:color .18s var(--ease);
}
.foot-links li a:hover{color:var(--pink)}
.foot-contact p{font-size:.875rem;line-height:1.9;color:rgba(255,255,255,.6)}
.foot-contact b{color:#fff;font-variant-numeric:tabular-nums}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  font-size:.8125rem;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .sidebar{width:208px;padding:18px 12px 16px}
  .brand-mark{width:36px;height:36px;flex:0 0 36px}
  .brand-text b{font-size:1rem}
  .main-area{margin-left:208px}
  .page,.wrap{padding:0 32px}
  .article-shell{grid-template-columns:minmax(0,1fr)}
  .aside-stack{position:static;margin-top:8px}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .main-area{margin-left:0}
  .page,.wrap{padding:0 24px}
  .site-foot{padding-top:48px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .page,.wrap{padding:0 20px}
  .rel-grid{grid-template-columns:1fr}
  .cms-related h2{font-size:1.125rem}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .cms-breadcrumb{padding:20px 0 14px}
  .cms-breadcrumb .cur{max-width:100%;white-space:normal}
  .cms-article-body{font-size:1rem;line-height:1.85}
  .cms-article-body>p:first-of-type{font-size:1.0625rem}
  .cms-empty{padding:40px 20px}
}
@media (max-width:575.98px){
  .cms-article-head h1{font-size:1.5rem}
  .btn{width:100%}
  .btn.btn-sm,.icon-btn,.share-row .btn{width:auto}
  .share-row .btn{flex:1 1 auto}
  .art-meta{gap:12px;font-size:.8125rem}
  .side-card{padding:20px}
}

/* roulang page: category1 */
:root{
  --brand:#241338;
  --brand-deep:#1B0E2B;
  --brand-2:#34205A;
  --accent:#E8437A;
  --accent-lite:#FF5C8A;
  --jade:#17A97F;
  --bg:#FAF6F2;
  --card:#FFFFFF;
  --line:#E9E2DA;
  --ink:#1A1420;
  --ink-2:#5C5468;
  --ink-3:#8C8496;
  --err:#C93B33;
  --r-card:18px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(26,15,43,.06);
  --sh-2:0 12px 28px rgba(26,15,43,.12);
  --sh-3:0 24px 60px rgba(26,15,43,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#241338;
  --bs-primary-rgb:36,19,56;
  --bs-body-bg:#FAF6F2;
  --bs-body-color:#1A1420;
  --bs-border-color:#E9E2DA;
  --bs-border-radius:12px;
  --bs-border-radius-sm:8px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-xl:18px;
  --bs-link-color:#241338;
  --bs-link-hover-color:#E8437A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(2rem,4vw,3.25rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,2.4vw,2rem)}
h3{font-size:1.25rem}
h4{font-size:.9375rem}
p{margin:0 0 1.25rem}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
img{max-width:100%;display:block}
button{font:inherit}
ul{list-style:none;margin:0;padding:0}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(232,67,122,.35);outline-offset:2px;border-radius:8px}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:var(--brand-deep);color:#fff;z-index:1040;
  display:flex;flex-direction:column;overflow-y:auto;
  padding:26px 18px 22px;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-mark{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--accent) 0%,#8E1F4E 100%);
  font-weight:800;font-size:1.05rem;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text b{font-size:1rem;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text span{font-size:.75rem;color:rgba(255,255,255,.6);letter-spacing:.06em;white-space:nowrap}
.sidebar .brand{padding:4px 6px 24px}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:12px;
  font-size:.9375rem;color:rgba(255,255,255,.72);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.side-nav a i{width:18px;font-size:.95rem;text-align:center;opacity:.9}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-nav a.active{background:rgba(232,67,122,.14);color:#fff;font-weight:600}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--accent);
}
.side-foot{margin-top:auto;padding-top:22px}
.side-note{margin:14px 4px 0;font-size:.75rem;line-height:1.75;color:rgba(255,255,255,.55)}

/* ============ 移动端顶栏 ============ */
.mobile-bar{display:none}
@media (max-width:991px){
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:1035;
    padding:10px 16px;background:#fff;border-bottom:1px solid var(--line);
    transition:box-shadow .2s var(--ease);
  }
  .mobile-bar.is-scrolled{box-shadow:var(--sh-2)}
  .mb-btn{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
    background:#fff;color:var(--brand);display:grid;place-items:center;
    font-size:1rem;cursor:pointer;transition:background .18s var(--ease);
  }
  .mb-btn:hover{background:rgba(36,19,56,.06)}
  .mb-logo{display:flex;align-items:center;gap:10px;color:var(--ink)}
  .mb-logo .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:.9rem;border-radius:10px}
  .mb-logo .brand-text b{font-size:.9375rem;color:var(--ink)}
  .mb-logo .brand-text span{font-size:.6875rem;color:var(--ink-3)}
}
.offcanvas.drawer{width:min(82vw,320px);background:var(--brand-deep);color:#fff;border:none}
.drawer .offcanvas-header{padding:20px 18px 8px}
.drawer .offcanvas-title{font-size:.9375rem;color:#fff;font-weight:700}
.drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7}
.drawer .offcanvas-body{padding:8px 18px 24px;display:flex;flex-direction:column}
.drawer .drawer-note{margin:16px 4px 0;font-size:.75rem;line-height:1.7;color:rgba(255,255,255,.55)}

/* ============ 主区域 ============ */
.main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
.section{padding:88px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:36px;max-width:760px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--ink-2);font-size:1rem;max-width:44ch}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.875rem;color:var(--ink-3);margin-bottom:22px}
.crumbs a:hover{color:var(--accent);text-decoration:underline}
.crumbs em{font-style:normal;color:var(--ink-2)}

/* ============ 分类页窄幅 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 50px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F1EC 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-110px;top:-140px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,67,122,.10) 0%,rgba(232,67,122,0) 66%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
}
.hero-grid h1 .h1-sub{
  display:block;margin-top:12px;
  font-size:1rem;font-weight:600;letter-spacing:.02em;color:var(--accent);
}
.hero-lede{font-size:1rem;line-height:1.8;color:var(--ink-2);max-width:40ch;margin:0}
.hero-side{display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px}
.count-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:.875rem;color:var(--ink-2);box-shadow:var(--sh-1);
}
.count-badge b{color:var(--brand);font-weight:800;font-size:1rem;font-variant-numeric:tabular-nums}

/* ============ 筛选 pill ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:.875rem;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.chip.is-on{background:rgba(36,19,56,.08);border-color:rgba(36,19,56,.24);color:var(--brand);font-weight:600}

/* ============ 卡片网格 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.plan-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:2;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan-card:hover::before{transform:scaleX(1)}
.plan-card.is-feature{grid-column:span 2}
.pc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFE8E1}
.pc-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.plan-card:hover .pc-media img{transform:scale(1.04)}
.pc-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.pc-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:rgba(36,19,56,.09);color:var(--brand);
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
}
.pc-title{font-size:1.125rem;font-weight:700}
.pc-desc{font-size:.9375rem;line-height:1.7;color:var(--ink-2);margin:0}
.pc-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.pc-list li{position:relative;padding-left:18px;font-size:.875rem;line-height:1.65;color:var(--ink-2)}
.pc-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;
  border-radius:2px;background:var(--jade);transform:translateY(-50%);
}
.pc-foot{margin-top:auto;padding-top:12px;font-size:.8125rem;color:var(--ink-3);border-top:1px dashed var(--line)}

/* ============ 分页位 ============ */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px}
.pager-item{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 14px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:.875rem;
  font-variant-numeric:tabular-nums;
}
.pager-item.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager-next{margin-left:6px;color:var(--ink-3)}

/* ============ 双栏面板 ============ */
.split-two{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.panel h3{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:1.125rem}
.panel h3 i{color:var(--accent);font-size:1rem}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:26px;font-size:.9375rem;line-height:1.7;color:var(--ink-2)}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:.18em;font-size:.75rem;color:var(--jade);
}
.dot-list{display:flex;flex-direction:column;gap:12px}
.dot-list li{position:relative;padding-left:20px;font-size:.9375rem;line-height:1.7;color:var(--ink-2)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
  background:var(--accent-lite);transform:translateY(-50%);
}

/* ============ 节奏数据条 ============ */
.rhythm{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.rhythm-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.rhythm-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rhythm-item b{
  display:block;font-size:clamp(2rem,3.4vw,2.6rem);font-weight:800;line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.rhythm-item b em{font-style:normal;font-size:1rem;font-weight:600;color:var(--ink-3);margin-left:4px}
.rhythm-item span{display:block;margin-top:10px;font-size:.875rem;line-height:1.65;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:14px!important;
  margin-bottom:12px;overflow:hidden;box-shadow:none;
}
.accordion-button{
  padding:20px 22px;font-size:1rem;font-weight:700;color:var(--ink);
  background:#fff;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:rgba(36,19,56,.03)}
.accordion-button::after{
  content:"";flex:0 0 auto;width:14px;height:14px;margin-left:auto;
  background-image:none!important;
  background:
    linear-gradient(currentColor,currentColor) center/14px 2px no-repeat,
    linear-gradient(currentColor,currentColor) center/2px 14px no-repeat;
  color:var(--accent);position:relative;top:0;
}
.accordion-button:not(.collapsed)::after{
  background:linear-gradient(currentColor,currentColor) center/14px 2px no-repeat;
}
.accordion-body{padding:0 22px 22px;font-size:.9375rem;line-height:1.85;color:var(--ink-2)}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand);color:#fff;border-radius:24px;padding:48px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;left:-90px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,169,127,.16) 0%,rgba(23,169,127,0) 68%);
  pointer-events:none;
}
.cta-band h2{color:#fff;position:relative;z-index:1;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);position:relative;z-index:1;max-width:44ch}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.btn-outline-light-2{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);
}
.btn-outline-light-2:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-2px)}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;text-align:center;
  transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-2);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#F0578A;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,67,122,.32)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(36,19,56,.08);color:var(--brand)}
.btn-sm{height:36px;padding:0 16px;font-size:.875rem;border-radius:10px}
.btn-block{width:100%}

/* ============ 表单 ============ */
.field{margin-bottom:16px}
.field label,.form-label{display:block;margin-bottom:8px;font-size:.875rem;font-weight:600;color:var(--ink)}
.form-control,.form-select{
  height:46px;width:100%;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-input);background-color:#fff;color:var(--ink);
  font-size:.9375rem;box-shadow:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
textarea.form-control{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,67,122,.18);outline:none;
}
.form-control::placeholder{color:var(--ink-3)}
.form-control.is-error{border-color:var(--err)}
.field-error{display:block;margin-top:6px;font-size:.8125rem;color:var(--err)}
.form-hint{font-size:.8125rem;color:var(--ink-3);margin-top:6px}
.form-check-input{
  width:18px;height:18px;border:1px solid var(--line);border-radius:5px;
  margin:0;flex:0 0 18px;background-color:#fff;cursor:pointer;
}
.form-check-input:checked{background-color:var(--accent);border-color:var(--accent)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(232,67,122,.2);border-color:var(--accent)}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;line-height:1.6;color:var(--ink-2);margin:4px 0 18px;cursor:pointer}

/* ============ 弹层 ============ */
.modal-content{
  border:none;border-radius:20px;box-shadow:var(--sh-3);overflow:hidden;
}
.modal-dialog{max-width:520px;margin:1rem auto}
.modal-header{padding:24px 26px 8px;border-bottom:none;align-items:flex-start}
.modal-title{font-size:1.25rem;font-weight:800;letter-spacing:-.01em}
.modal-header p{font-size:.875rem;color:var(--ink-2);margin:8px 0 0}
.modal-body{padding:16px 26px 26px}
.modal .btn-close{opacity:.45}
.modal .btn-close:hover{opacity:.85}
.modal-backdrop{background:rgba(26,15,43,.55)}
.modal-backdrop.show{opacity:1}

/* ============ 页脚 ============ */
.site-foot{
  margin-top:auto;background:var(--brand-deep);color:#fff;
  padding:64px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.foot-brand .brand{display:flex;align-items:center;gap:12px;color:#fff}
.foot-brand .brand-mark{flex:0 0 40px}
.site-foot h4{font-size:.9375rem;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.foot-links{display:flex;flex-direction:column}
.foot-links a{display:inline-block;line-height:2;font-size:.9375rem;color:rgba(255,255,255,.7)}
.foot-links a:hover{color:var(--accent-lite)}
.foot-brand p{margin-top:18px;font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.62);max-width:36ch}
.foot-contact p{font-size:.875rem;color:rgba(255,255,255,.7);margin-bottom:6px}
.foot-contact b{color:#fff;font-variant-numeric:tabular-nums}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.8125rem;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .sidebar{width:208px;padding:22px 14px 18px}
  .main{margin-left:208px}
  .wrap{padding:0 32px}
  .section{padding:72px 0}
  .plan-grid{gap:24px}
}
@media (max-width:991px){
  .sidebar{display:none}
  .main{margin-left:0}
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .plan-grid{grid-template-columns:repeat(2,1fr)}
  .plan-card.is-feature{grid-column:span 2}
  .rhythm{grid-template-columns:repeat(2,1fr)}
  .split-two{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:36px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .section{padding:48px 0}
  .page-hero{padding:36px 0 34px}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan-card.is-feature{grid-column:span 1}
  .rhythm{grid-template-columns:1fr;gap:16px}
  .pc-body{padding:20px}
  .panel{padding:22px}
  .sec-head{margin-bottom:26px}
  h1{font-size:1.85rem}
  .cta-band{padding:28px;border-radius:18px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .section{padding:40px 0}
  .page-hero{padding:28px 0 26px}
  h1{font-size:1.6rem}
  .hero-grid h1 .h1-sub{font-size:.875rem}
  .btn{width:100%}
  .hero-meta .count-badge{width:100%;justify-content:center}
  .cta-band .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --brand:#241338;
  --brand-deep:#1B0E2B;
  --brand-soft:#34205A;
  --accent:#E8437A;
  --accent-bright:#FF5C8A;
  --celadon:#17A97F;
  --bg:#FAF6F2;
  --card:#FFFFFF;
  --line:#E9E2DA;
  --ink-1:#1A1420;
  --ink-2:#5C5468;
  --ink-3:#8C8496;
  --danger:#C93B33;
  --overlay:rgba(26,15,43,.55);
  --r-card:18px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(26,15,43,.06);
  --sh-2:0 12px 28px rgba(26,15,43,.12);
  --sh-3:0 24px 60px rgba(26,15,43,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:248px;

  --bs-primary:#241338;
  --bs-primary-rgb:36,19,56;
  --bs-body-bg:#FAF6F2;
  --bs-body-color:#1A1420;
  --bs-border-color:#E9E2DA;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#241338;
  --bs-link-hover-color:#E8437A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.75;
  color:var(--ink-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(232,67,122,.35);border-radius:8px;}

/* ============ App Shell ============ */
.side{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--brand-deep);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;
  z-index:1040;
  transition:width .2s var(--ease);
}
.side-head{padding:4px 6px 20px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;
  border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#9E2154);
  color:#fff;font-weight:800;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;min-width:0;}
.brand-text b{color:#fff;font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;}
.brand-text span{color:rgba(255,255,255,.58);font-size:.75rem;letter-spacing:.08em;}

.side-nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto;overflow-x:hidden;padding-right:2px;}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px;}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:8px 12px 8px 14px;
  border-radius:12px;
  color:rgba(255,255,255,.72);
  font-size:.9375rem;font-weight:500;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.side-nav a i{font-size:16px;width:18px;text-align:center;opacity:.92;flex:0 0 18px;}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-nav a.active{background:rgba(232,67,122,.14);color:#fff;}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
}
.side-foot{margin-top:16px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);}
.side-note{margin:12px 2px 0;font-size:.75rem;line-height:1.65;color:rgba(255,255,255,.5);}
.side-note b{color:rgba(255,255,255,.78);font-weight:600;}

/* 移动端顶栏 */
.topbar{
  display:none;position:sticky;top:0;z-index:1035;
  height:60px;align-items:center;justify-content:space-between;
  padding:0 14px;background:var(--brand-deep);color:#fff;
  transition:box-shadow .22s var(--ease);
}
.topbar.scrolled{box-shadow:0 8px 22px rgba(26,15,43,.3);}
.topbar-icon{
  width:40px;height:40px;border-radius:12px;border:0;
  background:rgba(255,255,255,.08);color:#fff;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease);
}
.topbar-icon:hover{background:rgba(255,255,255,.16);}
.topbar .brand-text b{font-size:.875rem;}
.topbar .brand-text span{font-size:.6875rem;letter-spacing:.02em;}
.topbar .brand-mark{width:34px;height:34px;font-size:.875rem;border-radius:10px;}

/* 抽屉 */
.nav-drawer{background:var(--brand-deep);color:#fff;width:min(82vw,320px);border-right:0;}
.nav-drawer .offcanvas-header{padding:20px 18px 6px;}
.nav-drawer .offcanvas-body{padding:10px 18px 24px;display:flex;flex-direction:column;}
.nav-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.nav-drawer .side-nav{flex:0 0 auto;overflow:visible;}
.drawer-note{margin-top:auto;padding-top:26px;font-size:.75rem;color:rgba(255,255,255,.48);}

/* ============ 主区域 ============ */
.main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
.main > main{flex:1 1 auto;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 48px;}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}

/* ============ 按钮 ============ */
.btn{
  border-radius:var(--r-btn);
  font-weight:600;font-size:.9375rem;
  padding:.66rem 22px;line-height:1.45;
  border:1.5px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-soft);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#D2376B;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(36,19,56,.08);color:var(--brand);}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-on-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:36px;padding:0 16px;font-size:.875rem;}
.btn-lg{height:52px;padding:0 28px;font-size:1rem;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:clamp(54px,7vw,96px) 0 clamp(52px,6vw,84px);
  background-image:linear-gradient(var(--overlay),var(--overlay)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;left:-140px;bottom:-180px;width:460px;height:460px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(232,67,122,.10),transparent 68%);
}
.cat-hero .wrap{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:.875rem;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--accent-bright);text-decoration:underline;}
.crumb .sep{opacity:.45;}
.cat-hero h1{
  font-size:clamp(2rem,4vw,3.25rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.22;
  max-width:16em;
}
.cat-hero .hero-sub{
  margin-top:18px;font-size:clamp(1rem,1.4vw,1.125rem);
  line-height:1.8;color:rgba(255,255,255,.86);max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 15px;border-radius:999px;font-size:.8125rem;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ============ 数据条 ============ */
.stat-band{
  background:var(--brand);border-radius:22px;
  padding:40px 12px;
  display:grid;grid-template-columns:repeat(4,1fr);
  color:#fff;box-shadow:var(--sh-1);
}
.stat-cell{padding:0 28px;border-right:1px solid rgba(255,255,255,.12);}
.stat-cell:last-child{border-right:0;}
.stat-num{
  font-size:clamp(2.1rem,3.4vw,3rem);font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:#fff;
}
.stat-num .u{font-size:.875rem;font-weight:600;margin-left:4px;color:rgba(255,255,255,.68);letter-spacing:0;}
.stat-cap{margin-top:12px;font-size:.875rem;line-height:1.6;color:rgba(255,255,255,.7);}
.stat-cell.is-accent .stat-num{color:var(--accent-bright);}
.stat-cell.is-green .stat-num{color:var(--celadon);}

/* ============ 板块标题 ============ */
.sec-head{max-width:780px;margin-bottom:44px;}
.sec-kicker{
  display:inline-block;font-size:.8125rem;font-weight:600;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{
  position:relative;padding-left:18px;
  font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.35;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--accent);
}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:1rem;line-height:1.8;max-width:42em;}

/* ============ 图文交替 ============ */
.media-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.media-row + .media-row{margin-top:80px;}
.media-row.rev{grid-template-columns:7fr 5fr;}
.media-row.rev .media-fig{grid-column:2;grid-row:1;}
.media-row.rev .media-body{grid-column:1;grid-row:1;}
.media-fig{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.media-fig:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.media-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.media-fig::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--accent),rgba(232,67,122,0));
  opacity:0;transition:opacity .22s var(--ease);
}
.media-fig:hover::after{opacity:1;}
.media-index{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 14px;border-radius:999px;
  background:rgba(36,19,56,.08);color:var(--brand);
  font-size:.8125rem;font-weight:600;letter-spacing:.04em;
}
.media-body h2{margin:16px 0 16px;font-size:clamp(1.375rem,2.1vw,1.75rem);line-height:1.4;}
.media-body p{color:var(--ink-2);font-size:1rem;line-height:1.85;}
.media-body p + p{margin-top:14px;}
.media-list{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.media-list li{
  position:relative;padding-left:20px;
  font-size:.9375rem;line-height:1.7;color:var(--ink-2);
}
.media-list li::before{
  content:"";position:absolute;left:0;top:.66em;
  width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.media-body .media-note{
  margin-top:22px;padding:14px 18px;border-left:3px solid var(--celadon);
  background:rgba(23,169,127,.07);border-radius:0 12px 12px 0;
  font-size:.9375rem;color:var(--ink-2);line-height:1.75;
}

/* ============ 场景与交付 ============ */
.scene-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.scene-col h3{font-size:1.125rem;font-weight:700;margin-bottom:20px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud span{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:var(--bg);
  font-size:.875rem;color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.tag-cloud span:hover{border-color:var(--accent);color:var(--accent);background:#fff;}
.deliver-list{display:flex;flex-direction:column;gap:0;}
.deliver-list li{
  display:flex;align-items:center;gap:14px;
  padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:.9375rem;color:var(--ink-2);
}
.deliver-list li:last-child{border-bottom:0;}
.deliver-list li b{
  font-size:.8125rem;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}

/* ============ CTA ============ */
.cta-band{background:var(--brand);color:#fff;padding:64px 0;margin-top:12px;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(1.375rem,2.2vw,1.75rem);line-height:1.4;}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.72);font-size:.9375rem;line-height:1.7;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 隐私条 ============ */
.privacy-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.privacy-inner{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  min-height:64px;font-size:.875rem;color:var(--ink-2);
}
.privacy-inner i{color:var(--celadon);font-size:1rem;}
.privacy-inner a{margin-left:auto;color:var(--brand);font-weight:600;}
.privacy-inner a:hover{color:var(--accent);text-decoration:underline;}

/* ============ 表单 / 弹层 ============ */
.form-label{font-size:.875rem;font-weight:600;color:var(--ink-1);margin-bottom:6px;}
.form-control,.form-select{
  height:46px;border:1px solid var(--line);border-radius:var(--r-input);
  font-size:.9375rem;color:var(--ink-1);background:#fff;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
textarea.form-control{height:auto;min-height:88px;padding-top:12px;line-height:1.7;}
.form-control::placeholder{color:var(--ink-3);}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(36,19,56,.12);
  outline:none;
}
.form-control.is-invalid,.form-select.is-invalid{
  border-color:var(--danger);background-image:none;box-shadow:none;
}
.invalid-msg{display:block;margin-top:6px;font-size:.8125rem;color:var(--danger);}
.form-hint{font-size:.8125rem;color:var(--ink-3);margin-top:6px;}
.form-check-input{width:18px;height:18px;margin-top:.15em;border-color:var(--line);}
.form-check-input:checked{background-color:var(--accent);border-color:var(--accent);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(232,67,122,.25);border-color:var(--accent);}
.form-check-label{font-size:.8125rem;color:var(--ink-2);line-height:1.65;}

.modal-content{border:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-3);}
.lead-dialog{max-width:520px;}
.modal-header{
  background:var(--brand);color:#fff;border-bottom:0;
  padding:22px 26px;
}
.modal-title{font-size:1.125rem;font-weight:700;color:#fff;}
.modal-header .btn-close{filter:invert(1) grayscale(1);opacity:.75;}
.modal-header .btn-close:hover{opacity:1;}
.modal-body{padding:26px;background:#fff;}
.lead-form .form-row + .form-row{margin-top:16px;}
.modal-foot-note{margin-top:14px;font-size:.8125rem;color:var(--ink-3);line-height:1.65;}

/* ============ 页脚 ============ */
.site-foot{background:var(--brand-deep);color:#fff;padding:56px 0 22px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:40px;}
.foot-brand .brand{margin-bottom:18px;}
.foot-brand p{font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.62);max-width:32em;}
.site-foot h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-links{list-style:none;}
.foot-links li{line-height:2;}
.foot-links a{font-size:.875rem;color:rgba(255,255,255,.62);transition:color .18s var(--ease);}
.foot-links a:hover{color:var(--accent-bright);}
.foot-contact p{font-size:.875rem;color:rgba(255,255,255,.62);line-height:2;}
.foot-contact b{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199.98px){
  :root{--side-w:208px;}
  .side{padding:20px 12px;}
  .brand-text b{font-size:1rem;}
}
@media (max-width:1199.98px){
  .wrap{padding:0 32px;}
  .section{padding:64px 0;}
  .media-row{gap:36px;}
  .media-row + .media-row{margin-top:64px;}
}
@media (max-width:991.98px){
  .side{display:none;}
  .main{margin-left:0;}
  .topbar{display:flex;}
  .wrap{padding:0 20px;}
  .section{padding:52px 0;}
  .media-row,.media-row.rev{grid-template-columns:1fr;gap:24px;}
  .media-row.rev .media-fig{grid-column:1;grid-row:1;}
  .media-row.rev .media-body{grid-column:1;grid-row:2;}
  .media-row + .media-row{margin-top:52px;}
  .stat-band{grid-template-columns:1fr 1fr;gap:26px 20px;padding:32px 24px;}
  .stat-cell{padding:0;border-right:0;}
  .scene-grid{grid-template-columns:1fr;gap:34px;}
  .scene-panel{padding:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-band{padding:52px 0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:.9375rem;}
  .cat-hero{padding:48px 0 44px;}
  .cat-hero h1{font-size:1.75rem;}
  .hero-sub{font-size:.9375rem;}
  .section{padding:44px 0;}
  .sec-head{margin-bottom:30px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .privacy-inner a{margin-left:0;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .cat-hero h1{font-size:1.5rem;}
  .stat-band{grid-template-columns:1fr;padding:26px 20px;gap:22px;}
  .stat-num{font-size:2rem;}
  .scene-panel{padding:22px;}
  .tag-cloud span{height:32px;padding:0 14px;font-size:.8125rem;}
  .cta-inner h2{font-size:1.25rem;}
  .modal-body{padding:20px;}
  .btn-lg{height:48px;padding:0 20px;font-size:.9375rem;}
}

/* roulang page: category3 */
:root{
  --ink:#241338;
  --ink-deep:#1B0E2B;
  --accent:#E8437A;
  --accent-bright:#FF5C8A;
  --jade:#17A97F;
  --sand:#FAF6F2;
  --card:#FFFFFF;
  --line:#E9E2DA;
  --t1:#1A1420;
  --t2:#5C5468;
  --t3:#8C8496;
  --err:#C93B33;
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(26,15,43,.06);
  --sh-2:0 12px 28px rgba(26,15,43,.12);
  --sh-3:0 24px 60px rgba(26,15,43,.28);
  --side-w:248px;
  --bs-primary:#241338;
  --bs-primary-rgb:36,19,56;
  --bs-body-bg:#FAF6F2;
  --bs-body-color:#1A1420;
  --bs-border-color:#E9E2DA;
  --bs-border-radius:18px;
  --bs-border-radius-sm:12px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#241338;
  --bs-link-hover-color:#E8437A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--t1);
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);}
h1{font-size:clamp(2rem,4vw,3.25rem);font-weight:800;letter-spacing:-.02em;line-height:1.18;}
h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h3{font-size:1.25rem;font-weight:700;line-height:1.4;}
p{margin:0 0 1.25rem;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(232,67,122,.35);outline-offset:2px;}

/* ---------- 容器与板块 ---------- */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 48px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--accent);}
.sec-head .sec-note{color:var(--t2);font-size:.9375rem;max-width:44ch;}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-border-radius:12px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:.9375rem;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  border:1px solid transparent;
  transition:background-color .18s cubic-bezier(.2,.7,.3,1),color .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s cubic-bezier(.2,.7,.3,1),transform .18s cubic-bezier(.2,.7,.3,1),border-color .18s;
}
.btn-sm{height:36px;padding:0 16px;font-size:.875rem;border-radius:10px;}
.btn-brand{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-brand:hover{background:#34205A;color:#fff;border-color:#34205A;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-accent:hover{background:#D22F68;color:#fff;border-color:#D22F68;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:rgba(36,19,56,.08);color:var(--ink);transform:translateY(-2px);}
.btn-light-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:999px;
  font-size:.8125rem;font-weight:600;line-height:1;
  background:rgba(36,19,56,.08);color:var(--ink);
}
.pill-accent{background:rgba(232,67,122,.12);color:#C22B60;}
.pill-jade{background:rgba(23,169,127,.12);color:#0E7C5C;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:.875rem;color:var(--t2);
  transition:border-color .18s,color .18s,transform .18s;
}
.tag:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}

/* ---------- 侧栏 ---------- */
.side-bar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--ink-deep);
  display:flex;flex-direction:column;
  z-index:1040;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.side-bar .brand{padding:26px 20px 22px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--accent);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:1rem;letter-spacing:.01em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.22;}
.brand-text b{color:#fff;font-size:1rem;font-weight:800;letter-spacing:-.01em;}
.brand-text span{color:rgba(255,255,255,.62);font-size:.75rem;letter-spacing:.06em;}
.side-nav{display:flex;flex-direction:column;gap:4px;padding:0 16px;flex:1;}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding-left:14px;border-radius:12px;
  color:rgba(255,255,255,.72);
  font-size:.9375rem;
  transition:background-color .18s,color .18s;
}
.side-nav a i{width:18px;flex:0 0 18px;text-align:center;font-size:15px;}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-nav a.active{background:rgba(232,67,122,.14);color:#fff;}
.side-nav a.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--accent);}
.side-foot{padding:20px 20px 24px;border-top:1px solid rgba(255,255,255,.1);margin-top:16px;}
.side-foot p{margin:14px 0 0;font-size:.75rem;line-height:1.7;color:rgba(255,255,255,.55);}
.side-foot p b{color:rgba(255,255,255,.85);font-weight:600;}

/* ---------- 移动顶栏 + 抽屉 ---------- */
.mobile-topbar{
  position:sticky;top:0;z-index:1030;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  height:60px;padding:0 14px;
  background:var(--ink-deep);
  transition:box-shadow .2s;
}
.mobile-topbar.is-scrolled{box-shadow:0 8px 24px rgba(26,15,43,.28);}
.icon-btn{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#fff;
  display:grid;place-items:center;font-size:15px;
  transition:background-color .18s,border-color .18s;
}
.icon-btn:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4);}
.mobile-topbar .brand{gap:9px;}
.mobile-topbar .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:.8125rem;border-radius:10px;}
.mobile-topbar .brand-text b{font-size:.875rem;}
.mobile-topbar .brand-text span{font-size:.65rem;}
.nav-drawer{
  --bs-offcanvas-width:min(82vw,320px);
  background:var(--ink-deep);color:#fff;border:0;
}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px;}
.nav-drawer .offcanvas-body{padding:16px;display:flex;flex-direction:column;}
.nav-drawer .side-nav{padding:0;}
.nav-drawer .drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);}
.nav-drawer .drawer-foot p{margin:12px 0 0;font-size:.75rem;color:rgba(255,255,255,.55);}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.75;}

/* ---------- 主体区 ---------- */
.main-area,.site-foot{margin-left:var(--side-w);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--t3);padding-top:28px;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--accent);text-decoration:underline;}
.crumb .sep{color:#C6BDB4;}

/* ---------- Hero ---------- */
.cat-hero{position:relative;padding:36px 0 76px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;width:440px;height:440px;top:-180px;right:-90px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,67,122,.10),transparent 70%);pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;width:380px;height:380px;bottom:-200px;left:6%;border-radius:50%;
  background:radial-gradient(circle,rgba(23,169,127,.10),transparent 70%);pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(36,19,56,.07);color:var(--ink);
  font-size:.8125rem;font-weight:600;margin-bottom:20px;
}
.hero-copy .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-copy h1{margin-bottom:18px;}
.hero-copy .lead{font-size:1.0625rem;line-height:1.8;color:var(--t2);max-width:36ch;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-art{position:relative;}
.hero-art img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--sh-2);
}
.hero-art .hero-chip{
  position:absolute;right:-12px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--sh-2);max-width:220px;
}
.hero-art .hero-chip b{display:block;font-size:1.25rem;font-weight:800;color:var(--ink);line-height:1.2;}
.hero-art .hero-chip span{font-size:.8125rem;color:var(--t2);}

/* ---------- 数据条 ---------- */
.stat-strip-wrap{position:relative;padding-bottom:8px;}
.stat-strip{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-item{padding:32px 28px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{
  display:block;font-size:clamp(2.5rem,5vw,4rem);font-weight:800;line-height:1;
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.stat-num i{font-style:normal;font-size:.5em;font-weight:700;margin-left:2px;}
.stat-num.c-accent{color:var(--accent);}
.stat-num.c-jade{color:var(--jade);}
.stat-item p{font-size:.875rem;color:var(--t2);line-height:1.6;margin:0;}

/* ---------- 时间线 ---------- */
.timeline{margin-top:8px;}
.tl-item{position:relative;padding:0 0 34px 68px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:21px;top:52px;bottom:6px;width:2px;background:var(--line);}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);color:var(--accent);
  display:grid;place-items:center;font-weight:800;font-size:.875rem;letter-spacing:.02em;
}
.tl-item h3{margin-bottom:8px;}
.tl-item p{color:var(--t2);font-size:.9375rem;margin:0;max-width:60ch;}
.tl-meta{display:inline-block;margin-top:10px;font-size:.8125rem;color:var(--jade);font-weight:600;}

/* ---------- 两列要点 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}
.point{display:flex;gap:14px;padding:22px 0;border-bottom:1px solid var(--line);}
.point i{color:var(--jade);font-size:1rem;margin-top:7px;flex:0 0 auto;}
.point h3{font-size:1.0625rem;margin-bottom:6px;}
.point p{font-size:.9375rem;color:var(--t2);margin:0;line-height:1.7;}

/* ---------- 图文块 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.split.rev .split-art{order:2;}
.split-art img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.split-copy h3{margin-bottom:12px;}
.split-copy p{color:var(--t2);}

/* ---------- 手风琴 ---------- */
.accordion{
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-radius:14px;
  --bs-accordion-inner-border-radius:14px;
  --bs-accordion-bg:#fff;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-active-bg:#fff;
  --bs-accordion-active-color:var(--ink);
  --bs-accordion-btn-padding-y:22px;
  --bs-accordion-btn-padding-x:24px;
  --bs-accordion-body-padding-x:24px;
  --bs-accordion-body-padding-y:0;
}
.accordion-item{border:1px solid var(--line);margin-bottom:14px;border-radius:14px;overflow:hidden;box-shadow:none;}
.accordion-item:first-of-type,.accordion-item:last-of-type{border-radius:14px;}
.accordion-button{
  font-weight:700;font-size:1.0625rem;color:var(--t1);
  padding-right:64px;position:relative;box-shadow:none!important;
}
.accordion-button::after{display:none;}
.accordion-button::before{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:1.375rem;font-weight:500;color:var(--accent);line-height:1;
}
.accordion-button:not(.collapsed){color:var(--ink);background:#fff;}
.accordion-button:not(.collapsed)::before{content:"−";}
.accordion-button:focus-visible{outline:3px solid rgba(232,67,122,.35);outline-offset:-3px;}
.accordion-body{padding:0 24px 22px;color:var(--t2);font-size:.9375rem;line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-card);
  padding:52px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;right:-100px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,67,122,.28),transparent 70%);pointer-events:none;
}
.cta-band h2{color:#fff;margin-bottom:12px;max-width:22ch;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:46ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ---------- 隐私条 ---------- */
.privacy-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  max-height:64px;padding:14px 22px;margin-top:24px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  font-size:.875rem;color:var(--t2);
}
.privacy-bar i{color:var(--jade);}
.privacy-bar a{color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.privacy-bar a:hover{color:var(--accent);}

/* ---------- 表单 ---------- */
.form-label{font-size:.875rem;font-weight:600;color:var(--t1);margin-bottom:6px;}
.form-control,.form-select{
  height:46px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--t1);
  font-size:.9375rem;padding:0 14px;
  transition:border-color .18s,box-shadow .18s;
}
.form-control::placeholder{color:#ADA5B4;}
.form-control:focus,.form-select:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(36,19,56,.14);outline:none;
}
.form-control.is-invalid{border-color:var(--err);}
.err-text{font-size:.8125rem;color:var(--err);margin-top:6px;display:none;}
.form-check-input{width:1.05em;height:1.05em;border-radius:5px;border-color:#C6BDB4;}
.form-check-input:checked{background-color:var(--accent);border-color:var(--accent);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(232,67,122,.28);border-color:var(--accent);}
.form-check-label{font-size:.8125rem;color:var(--t2);line-height:1.7;}

/* ---------- 卡片通用（覆写 Bootstrap 默认） ---------- */
.card{
  --bs-card-border-color:var(--line);
  --bs-card-border-radius:var(--r-card);
  --bs-card-bg:#fff;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.nav-tabs{border-bottom:1px solid var(--line);}
.nav-tabs .nav-link{border:0;color:var(--t2);font-weight:600;border-radius:10px 10px 0 0;}
.nav-tabs .nav-link.active{color:var(--ink);border-bottom:2px solid var(--accent);background:transparent;}
.pagination{--bs-pagination-border-radius:10px;--bs-pagination-color:var(--ink);gap:6px;}
.pagination .page-link{border:1px solid var(--line);border-radius:10px;color:var(--ink);}
.pagination .page-link:hover{background:rgba(36,19,56,.08);color:var(--ink);}
.pagination .page-item.active .page-link{background:var(--ink);border-color:var(--ink);color:#fff;}
.modal-content{border:0;border-radius:var(--r-card);box-shadow:var(--sh-3);}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px;}
.modal-title{font-weight:700;}
.modal-body{padding:24px;}
.modal-backdrop.show{opacity:.55;background:#1A0F2B;}
@media (min-width:576px){#leadModal .modal-dialog{max-width:520px;}}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:72px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:48px;}
.site-foot .brand{gap:12px;margin-bottom:18px;}
.site-foot .brand-text b{color:#fff;}
.site-foot .brand-text span{color:rgba(255,255,255,.55);}
.foot-brand p{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:40ch;}
.site-foot h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:18px;}
.foot-links{list-style:none;padding:0;margin:0;}
.foot-links li{line-height:2;}
.foot-links a{color:rgba(255,255,255,.72);font-size:.9375rem;transition:color .18s;}
.foot-links a:hover{color:var(--accent-bright);}
.foot-contact p{font-size:.875rem;color:rgba(255,255,255,.68);margin:0 0 8px;}
.foot-contact b{color:#fff;font-weight:600;}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:.8125rem;color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--side-w:208px;}
  .wrap{padding:0 32px;}
  .section{padding:64px 0;}
  .stat-item{padding:26px 20px;}
  .hero-inner{gap:36px;}
  .foot-grid{gap:32px;}
}
@media (max-width:991.98px){
  .main-area,.site-foot{margin-left:0;}
  .section{padding:56px 0;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-copy .lead{max-width:none;}
  .hero-art .hero-chip{right:12px;bottom:-14px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.rev .split-art{order:0;}
  .cta-band{padding:40px 32px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .section{padding:48px 0;}
  .point-grid{grid-template-columns:1fr;gap:0;}
  .sec-head{margin-bottom:28px;}
  .hero-copy .lead{font-size:1rem;}
  .tl-item{padding-left:58px;}
  .tl-item::before{left:19px;}
  .tl-dot{width:40px;height:40px;font-size:.8125rem;}
  .cta-band{padding:32px 24px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  h1{font-size:1.875rem;}
  .stat-item{padding:22px 16px;}
  .stat-num{margin-bottom:8px;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .privacy-bar{max-height:none;padding:14px 16px;}
}

/* roulang page: category4 */
:root{
  --bg:#FAF6F2;
  --card:#FFFFFF;
  --line:#E9E2DA;
  --ink:#1A1420;
  --ink-2:#5C5468;
  --ink-3:#8C8496;
  --purple:#241338;
  --purple-deep:#1B0E2B;
  --purple-hover:#34205A;
  --accent:#E8437A;
  --accent-bright:#FF5C8A;
  --green:#17A97F;
  --error:#C93B33;
  --r-card:18px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:14px;
  --sh-1:0 2px 8px rgba(26,15,43,.06);
  --sh-2:0 12px 28px rgba(26,15,43,.12);
  --sh-3:0 24px 60px rgba(26,15,43,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#FAF6F2;
  --bs-body-color:#1A1420;
  --bs-border-color:#E9E2DA;
  --bs-border-radius:18px;
  --bs-primary:#241338;
  --bs-primary-rgb:36,19,56;
  --bs-link-color:#241338;
  --bs-link-hover-color:#E8437A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::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 SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease)}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(232,67,122,.35);outline-offset:2px;border-radius:6px}

/* ============ 容器 ============ */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}

/* ============ 左侧 App Shell ============ */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:var(--purple-deep);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;
  overflow-y:auto;
  z-index:1040;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;
  background:linear-gradient(140deg,#E8437A 0%,#7A2C8F 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:-.5px;
  display:grid;place-items:center;
}
.brand-mark.sm{width:32px;height:32px;border-radius:10px;font-size:13px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text b{color:#fff;font-size:15px;font-weight:800;letter-spacing:-.01em}
.brand-text span{color:rgba(255,255,255,.6);font-size:11.5px;letter-spacing:.06em}

.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:30px;flex:1 1 auto}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.72);font-size:14.5px;font-weight:500;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.side-nav a i{width:18px;font-size:15px;text-align:center;flex:none;opacity:.92}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-nav a.active{background:rgba(232,67,122,.14);color:#fff}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:3px;background:var(--accent);
}
.side-foot{margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08)}
.side-foot p{margin-top:12px;color:rgba(255,255,255,.5);font-size:12px;line-height:1.7}
.side-foot p b{color:rgba(255,255,255,.82);font-weight:600}

/* ============ 移动顶部栏 ============ */
.app-topbar{display:none}

/* ============ 抽屉 ============ */
#navDrawer{--bs-offcanvas-width:min(82vw,320px);background:var(--purple-deep);color:#fff;border:none}
#navDrawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 18px}
#navDrawer .offcanvas-body{padding:18px}
.side-nav.drawer-nav{margin-top:0;flex:0 0 auto}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:none;
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  display:grid;place-items:center;
}
.drawer-close:hover{background:rgba(255,255,255,.16)}
.drawer-note{margin-top:14px;font-size:12px;color:rgba(255,255,255,.5);text-align:center}

/* ============ 主内容 ============ */
.app-main{
  margin-left:248px;min-height:100vh;
  display:flex;flex-direction:column;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  transition:all .18s var(--ease);cursor:pointer;
}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:#d33769;border-color:#d33769;color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,67,122,.3)}
.btn-accent:active{transform:translateY(1px)}
.btn-brand{background:var(--purple);border-color:var(--purple);color:#fff}
.btn-brand:hover{background:var(--purple-hover);border-color:var(--purple-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1.5px solid var(--purple);color:var(--purple)}
.btn-ghost:hover{background:rgba(36,19,56,.08);color:var(--purple)}
.w-100{width:100%}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.875rem;color:var(--ink-3);padding-top:32px;
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--accent);text-decoration:underline}
.crumb .sep{color:#CFC6BC}
.crumb .now{color:var(--ink-2)}

/* ============ 页面首屏 ============ */
.page-hero{position:relative;padding:40px 0 0;overflow:hidden}
.ph-glow{
  position:absolute;width:460px;height:460px;border-radius:50%;
  right:-120px;top:-160px;pointer-events:none;
  background:radial-gradient(circle,rgba(232,67,122,.10),transparent 68%);
}
.ph-glow-2{
  position:absolute;width:380px;height:380px;border-radius:50%;
  left:-140px;top:220px;pointer-events:none;
  background:radial-gradient(circle,rgba(23,169,127,.08),transparent 70%);
}
.page-hero .eyebrow{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:600;letter-spacing:.06em;
  color:var(--accent);background:rgba(232,67,122,.1);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.page-hero h1{
  position:relative;
  font-size:clamp(2rem,4vw,3.25rem);font-weight:800;
  line-height:1.24;letter-spacing:-.02em;max-width:18ch;
}
.page-hero .sub{
  position:relative;margin-top:18px;font-size:1.0625rem;
  line-height:1.8;color:var(--ink-2);max-width:46ch;
}
.page-hero .hero-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.page-hero .hero-actions .tip{font-size:12.5px;color:var(--ink-3);align-self:center}

/* ============ 数据条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:44px;padding:30px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.metric b{
  display:block;font-size:clamp(1.75rem,2.6vw,2.25rem);font-weight:800;
  letter-spacing:-.02em;color:var(--purple);font-variant-numeric:tabular-nums;line-height:1.15;
}
.metric b em{font-style:normal;font-size:.5em;font-weight:700;color:var(--ink-3);margin-left:4px}
.metric span{display:block;margin-top:6px;font-size:.8125rem;color:var(--ink-3)}
.metric:nth-child(2) b{color:var(--green)}

/* ============ 区块标题 ============ */
.sec-title{border-left:4px solid var(--accent);padding-left:16px}
.sec-title h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.sec-title p{margin-top:8px;font-size:.9375rem;color:var(--ink-3)}

/* ============ 问答 + 表单两栏 ============ */
.qa-layout{
  display:grid;grid-template-columns:1.5fr 1fr;gap:48px;
  align-items:start;padding:72px 0 0;
}
.qa-list{margin-top:28px;border-top:1px solid var(--line)}
.qa-item{padding:26px 0;border-bottom:1px solid var(--line)}
.qa-item h3{display:flex;gap:14px;font-size:1.0625rem;font-weight:700;line-height:1.6;color:var(--ink)}
.q-num{flex:none;font-weight:800;color:var(--accent-bright);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.qa-item p{margin-top:10px;padding-left:36px;font-size:.9375rem;line-height:1.85;color:var(--ink-2)}

/* ============ 表单卡 ============ */
.lead-aside{position:sticky;top:24px}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
.form-card .fc-sub{margin-top:8px;font-size:.875rem;color:var(--ink-3);line-height:1.75}
.promise{margin:18px 0 22px;padding:16px 18px;border-radius:var(--r-btn);background:rgba(23,169,127,.07)}
.promise li{display:flex;gap:9px;font-size:.875rem;line-height:1.9;color:var(--ink-2)}
.promise i{color:var(--green);font-size:.75rem;margin-top:7px;flex:none}

.form-label{display:block;font-weight:600;font-size:.875rem;margin-bottom:6px;color:var(--ink)}
.form-control,.form-select{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;color:var(--ink);font-size:14.5px;
  box-shadow:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.form-control::placeholder{color:#B6AEC0}
textarea.form-control{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--purple);
  box-shadow:0 0 0 3px rgba(36,19,56,.12);background:#fff;color:var(--ink);
}
.form-hint{font-size:.8125rem;color:var(--ink-3);margin-top:6px}
.field{margin-bottom:16px}
.form-check{display:flex;align-items:flex-start;gap:9px;margin:4px 0 18px}
.form-check input{
  width:18px;height:18px;margin-top:3px;flex:none;
  accent-color:var(--accent);cursor:pointer;
}
.form-check label{font-size:.8125rem;color:var(--ink-2);line-height:1.7;cursor:pointer}
.form-check a{color:var(--accent);text-decoration:underline}
.is-invalid{border-color:var(--error) !important}
.err-msg{display:none;margin-top:5px;font-size:.8125rem;color:var(--error)}
.err-msg.show{display:block}

/* ============ 隐私说明条 ============ */
.privacy-bar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:64px;padding:16px 22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-img);
}
.privacy-bar i{color:var(--green);font-size:17px;flex:none}
.privacy-bar p{flex:1 1 260px;font-size:.875rem;color:var(--ink-2)}
.privacy-bar a{font-size:.875rem;font-weight:600;color:var(--purple);white-space:nowrap}
.privacy-bar a:hover{color:var(--accent)}

/* ============ 相关条目 ============ */
.rel-block{padding:72px 0 0}
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:30px}
.rel-card{
  position:relative;display:block;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit}
.rel-card:hover::before{transform:scaleX(1)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-body{padding:22px 24px 24px}
.rel-body h3{margin-top:12px;font-size:1.125rem;font-weight:700;line-height:1.55;letter-spacing:-.01em}
.rel-body p{margin-top:8px;font-size:.9375rem;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:.875rem;font-weight:600;color:var(--purple)}
.rel-card:hover .rel-more{color:var(--accent)}

.badge-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:.75rem;font-weight:600;line-height:1;
  background:rgba(36,19,56,.1);color:var(--purple);
}
.badge-pill.tag{background:rgba(23,169,127,.12);color:#0E7B5B}

/* ============ 页脚 ============ */
.site-foot{background:var(--purple-deep);color:#fff;margin-top:88px;padding:64px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand p{margin-top:16px;max-width:36ch;font-size:.875rem;line-height:1.9;color:rgba(255,255,255,.6)}
.site-foot h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:16px}
.foot-links li{line-height:2}
.foot-links a{font-size:.875rem;color:rgba(255,255,255,.66)}
.foot-links a:hover{color:var(--accent-bright)}
.foot-contact p{font-size:.875rem;line-height:1.9;color:rgba(255,255,255,.66)}
.foot-contact p b{color:#fff;font-weight:600}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:48px;padding-top:20px;font-size:.8125rem;color:rgba(255,255,255,.5);
  border-top:1px solid rgba(255,255,255,.1);
}

/* ============ 弹层 ============ */
.modal-content{border:none;border-radius:var(--r-card);box-shadow:var(--sh-3);background:#fff}
.modal-header{border-bottom:1px solid var(--line);padding:18px 24px}
.modal-title{font-size:1.125rem;font-weight:700}
.modal-body{padding:24px}
.modal-header .btn-close{opacity:.5}
.modal-header .btn-close:hover{opacity:.9}
.modal-backdrop.show{background:rgba(26,15,43,.55);opacity:1}

/* ============ 响应式 ============ */
@media (max-width:1199.98px) and (min-width:992px){
  .app-side{width:208px;padding:20px 14px}
  .app-main{margin-left:208px}
  .wrap{padding:0 32px}
  .qa-layout{gap:34px}
}

@media (max-width:991.98px){
  .app-side{display:none}
  .app-main{margin-left:0}
  .app-topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:1030;height:60px;padding:0 16px;
    background:var(--purple-deep);
    transition:box-shadow .2s var(--ease);
  }
  .app-topbar.scrolled{box-shadow:0 8px 24px rgba(26,15,43,.32)}
  .tb-btn{
    width:40px;height:40px;border-radius:11px;border:none;flex:none;
    background:rgba(255,255,255,.1);color:#fff;font-size:16px;
    display:grid;place-items:center;transition:background .18s var(--ease);
  }
  .tb-btn:hover{background:rgba(255,255,255,.2)}
  .tb-btn.accent{background:var(--accent)}
  .tb-btn.accent:hover{background:#d33769}
  .tb-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:800;font-size:15px;letter-spacing:-.01em}
  .wrap{padding:0 32px}
  .crumb{padding-top:24px}
  .page-hero{padding-top:28px}
  .qa-layout{grid-template-columns:1fr;gap:40px;padding-top:52px}
  .lead-aside{position:static}
  .metrics{grid-template-columns:repeat(2,1fr);gap:20px;margin-top:34px}
  .rel-grid{grid-template-columns:1fr;gap:22px}
  .site-foot{margin-top:64px;padding-top:48px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rel-block{padding-top:52px}
}

@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .page-hero h1{max-width:100%}
  .page-hero .sub{font-size:1rem}
  .qa-item h3{font-size:1rem}
  .qa-item p{padding-left:0}
  .metrics{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:6px}
}

@media (max-width:575.98px){
  .page-hero h1{font-size:1.75rem}
  .metrics{grid-template-columns:1fr;gap:16px;padding:24px 0}
  .form-card{padding:22px 20px}
  .rel-body{padding:18px 20px 20px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .page-hero .hero-actions{gap:10px}
  .privacy-bar{padding:16px 18px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}