:root{
  --ink:#1c1b2e;
  --ink-2:#4b4a63;
  --ink-3:#76758d;
  --pink:#ff4d84;
  --violet:#7b5cff;
  --mint:#12b8a6;
  --amber:#ff9f1c;
  --sky:#2f9bff;
  --line:rgba(28,27,46,.08);
  --radius:20px;
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:var(--ink);
  background-color:#fff8f4;
  background-image:linear-gradient(180deg,#fff8f4 0%,#fdf5ff 16%,#f5f9ff 34%,#f0fbf7 52%,#fff8f1 72%,#fdf4fb 88%,#f4f9ff 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:var(--violet)}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
section{padding:clamp(44px,5.4vw,74px) 0}
.section-head{max-width:780px;margin:0 auto 34px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:#a4306a;background:rgba(255,77,132,.11);border:1px solid rgba(255,77,132,.2);
}
.eyebrow.violet{color:#5238bd;background:rgba(123,92,255,.11);border-color:rgba(123,92,255,.22)}
.eyebrow.mint{color:#0a7d71;background:rgba(18,184,166,.12);border-color:rgba(18,184,166,.24)}
.eyebrow.amber{color:#a3650a;background:rgba(255,159,28,.14);border-color:rgba(255,159,28,.26)}
.eyebrow.sky{color:#1563b0;background:rgba(47,155,255,.12);border-color:rgba(47,155,255,.24)}
.section-title{font-size:clamp(23px,3.1vw,33px);line-height:1.34;margin:16px 0 12px;font-weight:800}
.section-desc{margin:0;color:var(--ink-2);font-size:15.5px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .26s ease,background .26s ease,color .26s ease,border-color .26s ease;
  font-family:inherit;line-height:1.4;
}
.btn-primary{
  background:linear-gradient(135deg,#ff4d84 0%,#7b5cff 100%);
  color:#fff;box-shadow:0 12px 26px rgba(255,77,132,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(123,92,255,.34)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:#fff;color:var(--ink);border-color:rgba(28,27,46,.12);
  box-shadow:0 8px 20px rgba(28,27,46,.06);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(123,92,255,.4);color:#5238bd;box-shadow:0 14px 28px rgba(123,92,255,.16)}
.btn-small{padding:9px 20px;font-size:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,244,.9);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.brand-logo{display:block;width:auto;max-width:120px;max-height:38px}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em}
.site-nav{flex:0 1 auto}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;list-style:none}
.nav-links a{
  display:block;padding:8px 13px;font-size:14.5px;font-weight:500;
  color:var(--ink-2);text-decoration:none;border-radius:999px;
  transition:background .24s ease,color .24s ease,box-shadow .24s ease;
  white-space:nowrap;
}
.nav-links a:hover,.nav-links a:focus-visible{background:#fff;color:var(--ink);box-shadow:0 8px 18px rgba(123,92,255,.16)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:13px;border:1px solid rgba(28,27,46,.12);
  background:#fff;cursor:pointer;padding:0;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.header-cta{flex:0 0 auto}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 22px 44px rgba(28,27,46,.14);
    display:none;padding:10px 20px 18px;
  }
  .site-nav.open{display:block;animation:fadeDown .26s ease both}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-links a{padding:12px 10px;border-radius:12px;font-size:15px}
  .header-cta{display:none}
}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ---------- hero ---------- */
.hero{padding:clamp(42px,6vw,88px) 0 clamp(36px,4.6vw,66px);position:relative;overflow:hidden}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:0;
}
.hero::before{width:420px;height:420px;background:rgba(255,77,132,.16);top:-160px;left:-120px;animation:floatA 14s ease-in-out infinite}
.hero::after{width:380px;height:380px;background:rgba(123,92,255,.16);bottom:-180px;right:-100px;animation:floatB 17s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(28px,26px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(-26px,-22px)}}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(29px,4.4vw,46px);line-height:1.24;font-weight:900;margin:18px 0 16px}
.hero h1 em{font-style:normal;color:transparent;background:linear-gradient(120deg,#ff4d84,#7b5cff 55%,#12b8a6);-webkit-background-clip:text;background-clip:text}
.hero-lead{color:var(--ink-2);font-size:16px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;background:#fff;
  border:1px solid rgba(28,27,46,.08);font-size:13.5px;color:var(--ink-2);
  box-shadow:0 6px 16px rgba(28,27,46,.05);
}
.hero-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,#ff4d84,#7b5cff);flex:0 0 auto;
}
.hero-panel{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:24px;
  padding:24px;box-shadow:0 24px 54px rgba(123,92,255,.14);
  position:relative;overflow:hidden;
}
.hero-panel::after{
  content:"";position:absolute;inset:auto -60px -80px auto;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,159,28,.22),rgba(255,159,28,0) 70%);
}
.panel-top{display:flex;align-items:center;gap:7px;margin-bottom:18px}
.panel-top i{width:9px;height:9px;border-radius:50%;display:block}
.panel-top i:nth-child(1){background:#ff6b8b}
.panel-top i:nth-child(2){background:#ffc046}
.panel-top i:nth-child(3){background:#4ed3b4}
.panel-top span{margin-left:6px;font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.04em}
.chip-wrap{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chip{
  padding:6px 13px;border-radius:10px;font-size:13px;font-weight:600;
  background:#f7f4ff;color:#5238bd;border:1px solid rgba(123,92,255,.18);
}
.chip.pink{background:#fff2f6;color:#b32a5c;border-color:rgba(255,77,132,.2)}
.chip.mint{background:#effbf8;color:#0a7d71;border-color:rgba(18,184,166,.22)}
.chip.amber{background:#fff8ec;color:#a3650a;border-color:rgba(255,159,28,.24)}
.chip.sky{background:#f0f7ff;color:#1563b0;border-color:rgba(47,155,255,.22)}
.panel-list{display:flex;flex-direction:column;gap:10px}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:13px;background:#fbfaff;border:1px solid rgba(28,27,46,.06);
  font-size:14px;
}
.panel-list b{color:var(--ink);font-weight:700}
.panel-list span{color:var(--ink-3);font-size:13px}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:18px;
  padding:22px 20px;box-shadow:0 10px 26px rgba(28,27,46,.05);
  transition:transform .28s ease,box-shadow .28s ease;
  position:relative;overflow:hidden;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(123,92,255,.15)}
.metric strong{display:block;font-size:28px;font-weight:900;line-height:1.2;color:var(--ink)}
.metric strong small{font-size:16px;font-weight:700;margin-left:2px}
.metric p{margin-top:6px;font-size:14px;color:var(--ink-2)}
.metric:nth-child(1) strong small{color:var(--pink)}
.metric:nth-child(2) strong small{color:var(--violet)}
.metric:nth-child(3) strong small{color:var(--mint)}
.metric:nth-child(4) strong small{color:var(--amber)}
.metric::after{
  content:"";position:absolute;top:0;left:20px;right:20px;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,#ff4d84,#7b5cff);
}
.metric:nth-child(2)::after{background:linear-gradient(90deg,#7b5cff,#2f9bff)}
.metric:nth-child(3)::after{background:linear-gradient(90deg,#12b8a6,#2f9bff)}
.metric:nth-child(4)::after{background:linear-gradient(90deg,#ff9f1c,#ff4d84)}

/* ---------- generic cards ---------- */
.card{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:var(--radius);
  padding:24px;box-shadow:0 10px 28px rgba(28,27,46,.05);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(123,92,255,.15);border-color:rgba(123,92,255,.26)}
.card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink-2)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:start}
.about-text p{color:var(--ink-2);margin-bottom:14px;font-size:15.5px}
.about-visual{
  background:linear-gradient(160deg,#fff4f9,#f2f0ff 60%,#eefbf8);
  border:1px solid rgba(28,27,46,.08);border-radius:24px;padding:14px;
  box-shadow:0 20px 46px rgba(123,92,255,.13);
}
.about-visual img{display:block;width:100%;border-radius:16px}
.about-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.about-pills li{
  padding:10px 18px;border-radius:12px;background:#fff;
  border:1px solid rgba(28,27,46,.08);font-size:14px;font-weight:600;color:var(--ink);
  box-shadow:0 6px 16px rgba(28,27,46,.05);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.about-pills li:hover{transform:translateY(-3px);border-color:rgba(123,92,255,.3);box-shadow:0 12px 26px rgba(123,92,255,.16)}

/* ---------- grids ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .about-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:620px){
  .grid-4,.grid-3,.grid-2,.metrics{grid-template-columns:1fr}
}

/* ---------- service cards ---------- */
.service-card{position:relative;overflow:hidden}
.service-card::before{
  content:"";display:block;width:42px;height:42px;border-radius:13px;margin-bottom:14px;
  background:linear-gradient(135deg,var(--c1,#ff4d84),var(--c2,#7b5cff));
  box-shadow:0 10px 22px rgba(123,92,255,.22);
}
.service-card:nth-child(8n+1){--c1:#ff4d84;--c2:#ff9f1c}
.service-card:nth-child(8n+2){--c1:#7b5cff;--c2:#2f9bff}
.service-card:nth-child(8n+3){--c1:#12b8a6;--c2:#2f9bff}
.service-card:nth-child(8n+4){--c1:#ff9f1c;--c2:#ff4d84}
.service-card:nth-child(8n+5){--c1:#2f9bff;--c2:#7b5cff}
.service-card:nth-child(8n+6){--c1:#ff4d84;--c2:#7b5cff}
.service-card:nth-child(8n+7){--c1:#12b8a6;--c2:#7b5cff}
.service-card:nth-child(8n+8){--c1:#ff9f1c;--c2:#12b8a6}
.service-card h3{font-size:16.5px}
.service-card p{font-size:14px}

/* ---------- model cloud ---------- */
.model-cloud{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:28px}
.model-cloud span{
  padding:7px 15px;border-radius:10px;background:#fff;font-size:13.5px;font-weight:600;
  color:var(--ink-2);border:1px solid rgba(28,27,46,.08);
  box-shadow:0 4px 12px rgba(28,27,46,.04);
  transition:transform .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.model-cloud span:hover{transform:translateY(-3px);color:#5238bd;border-color:rgba(123,92,255,.35);box-shadow:0 10px 22px rgba(123,92,255,.16)}

/* ---------- onestop ---------- */
.onestop{display:grid;grid-template-columns:.95fr 1.05fr;gap:38px;align-items:center}
.onestop-media{
  background:linear-gradient(150deg,#fff6ec,#f2f0ff 55%,#eefbf8);
  border:1px solid rgba(28,27,46,.08);border-radius:24px;padding:14px;
  box-shadow:0 20px 46px rgba(255,159,28,.14);
}
.onestop-media img{display:block;width:100%;border-radius:16px}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.feature-list li{
  display:flex;gap:13px;align-items:flex-start;
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:16px;
  padding:16px 18px;box-shadow:0 8px 22px rgba(28,27,46,.05);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.feature-list li:hover{transform:translateX(4px);border-color:rgba(123,92,255,.28);box-shadow:0 14px 30px rgba(123,92,255,.13)}
.feature-list b{display:block;font-size:15px;color:var(--ink);margin-bottom:2px}
.feature-list p{font-size:14px;color:var(--ink-2)}
.mark{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,#ff4d84,#7b5cff);
}
@media (max-width:900px){.onestop{grid-template-columns:1fr;gap:26px}}

/* ---------- process ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:18px;
  padding:22px 18px;box-shadow:0 10px 26px rgba(28,27,46,.05);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.step:hover{transform:translateY(-5px);border-color:rgba(18,184,166,.32);box-shadow:0 18px 38px rgba(18,184,166,.16)}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
  font-size:14px;font-weight:800;color:#fff;margin-bottom:12px;
  background:linear-gradient(135deg,#7b5cff,#2f9bff);
}
.step:nth-child(2) .step-num{background:linear-gradient(135deg,#ff4d84,#ff9f1c)}
.step:nth-child(3) .step-num{background:linear-gradient(135deg,#12b8a6,#2f9bff)}
.step:nth-child(4) .step-num{background:linear-gradient(135deg,#ff9f1c,#ff4d84)}
.step:nth-child(5) .step-num{background:linear-gradient(135deg,#2f9bff,#7b5cff)}
.step h3{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13.6px;color:var(--ink-2)}
@media (max-width:980px){.timeline{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.timeline{grid-template-columns:1fr}}

/* ---------- cases ---------- */
.case-card{
  margin:0;background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:22px;
  overflow:hidden;box-shadow:0 12px 30px rgba(28,27,46,.06);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:0 22px 46px rgba(123,92,255,.17);border-color:rgba(123,92,255,.24)}
.case-media{overflow:hidden;background:#f6f2ff;aspect-ratio:16/10}
.case-media.square{aspect-ratio:4/3}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .55s ease}
.case-card:hover .case-media img{transform:scale(1.045)}
.case-body{padding:20px 22px 24px}
.case-body h3{font-size:16.5px;margin-bottom:6px}
.case-body p{font-size:14px;color:var(--ink-2)}
.case-note{
  display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(160deg,#fff6ec,#f5f0ff 60%,#eefbf8);
}
.case-note .case-body{padding:28px 26px}
.case-note h3{margin-bottom:10px}
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(123,92,255,.12);color:#5238bd;margin-bottom:12px}

/* ---------- compare ---------- */
.compare-top{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch;margin-bottom:26px}
.rating-card{
  background:linear-gradient(150deg,#ff4d84,#7b5cff 70%,#2f9bff);
  border-radius:22px;padding:30px 26px;color:#fff;
  box-shadow:0 22px 48px rgba(123,92,255,.3);
  display:flex;flex-direction:column;justify-content:center;
}
.rating-card .stars{font-size:20px;letter-spacing:4px;color:#ffe27a;margin-bottom:10px}
.rating-card strong{font-size:48px;font-weight:900;line-height:1;letter-spacing:-.02em}
.rating-card span{font-size:17px;font-weight:600;opacity:.92;margin-left:4px}
.rating-card p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.94)}
.highlight-card{display:flex;flex-direction:column;justify-content:center}
.highlight-card h3{font-size:19px;margin-bottom:14px}
.highlight-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}
.highlight-list li{font-size:14px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start}
.highlight-list li::before{content:"✓";color:#12b8a6;font-weight:900;flex:0 0 auto}
@media (max-width:900px){.compare-top{grid-template-columns:1fr}.highlight-list{grid-template-columns:1fr}}

.table-wrap{overflow-x:auto;border-radius:18px;border:1px solid rgba(28,27,46,.08);background:#fff;box-shadow:0 12px 30px rgba(28,27,46,.05);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(28,27,46,.07);vertical-align:top}
thead th{background:linear-gradient(180deg,#fff6fa,#f4f1ff);font-weight:800;color:var(--ink);white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fffaFC}
td.best{color:#3d23b8;font-weight:600}
.table-note{font-size:13.5px;color:var(--ink-3);margin-top:14px;text-align:center}

/* ---------- reviews ---------- */
.review-card{display:flex;flex-direction:column;gap:12px}
.review-stars{color:#ffb703;font-size:15px;letter-spacing:3px}
.review-text{font-size:14.5px;color:var(--ink-2);flex:1}
.review-user{display:flex;align-items:center;gap:11px;margin-top:4px}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#fff;flex:0 0 auto;
  background:linear-gradient(135deg,#ff4d84,#7b5cff);
}
.review-card:nth-child(2) .avatar{background:linear-gradient(135deg,#7b5cff,#2f9bff)}
.review-card:nth-child(3) .avatar{background:linear-gradient(135deg,#12b8a6,#2f9bff)}
.review-card:nth-child(4) .avatar{background:linear-gradient(135deg,#ff9f1c,#ff4d84)}
.review-card:nth-child(5) .avatar{background:linear-gradient(135deg,#2f9bff,#7b5cff)}
.review-card:nth-child(6) .avatar{background:linear-gradient(135deg,#ff4d84,#ff9f1c)}
.review-user b{display:block;font-size:14.5px;color:var(--ink)}
.review-user small{color:var(--ink-3);font-size:13px}

/* ---------- form ---------- */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start}
.form-aside{display:flex;flex-direction:column;gap:14px}
.aside-item{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:16px;padding:16px 18px;
  box-shadow:0 8px 22px rgba(28,27,46,.05);font-size:14px;color:var(--ink-2);
}
.aside-item b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:2px}
.contact-form{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:22px;
  padding:26px;box-shadow:0 16px 40px rgba(123,92,255,.1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field span{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(28,27,46,.14);
  background:#fdfcff;font-family:inherit;font-size:14.5px;color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(123,92,255,.6);background:#fff;
  box-shadow:0 0 0 4px rgba(123,92,255,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#a3a2b6}
.form-submit{width:100%;margin-top:4px}
@media (max-width:900px){.form-wrap{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}

/* ---------- help / news ---------- */
.help-card h3{display:flex;align-items:center;gap:9px}
.help-card h3::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,#ff4d84,#7b5cff);flex:0 0 auto;
}
.help-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.help-tags span{
  padding:5px 12px;border-radius:8px;font-size:13px;color:var(--ink-2);
  background:#f7f5ff;border:1px solid rgba(123,92,255,.14);
}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:14px;
  padding:15px 18px;text-decoration:none;color:var(--ink);
  box-shadow:0 6px 18px rgba(28,27,46,.04);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(47,155,255,.34);box-shadow:0 12px 28px rgba(47,155,255,.14)}
.news-item strong{font-size:14.8px;font-weight:700}
.news-item small{color:var(--ink-3);font-size:13px;white-space:nowrap}
.articles-slot{
  margin-top:16px;padding:18px;border-radius:14px;
  border:1px dashed rgba(123,92,255,.35);background:#fbf9ff;
  color:var(--ink-2);font-size:14px;text-align:center;
}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:16px;
  box-shadow:0 8px 22px rgba(28,27,46,.05);overflow:hidden;
  transition:box-shadow .26s ease,border-color .26s ease;
}
.faq-item:hover{border-color:rgba(123,92,255,.28);box-shadow:0 14px 32px rgba(123,92,255,.13)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;font-size:15px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;line-height:1;font-weight:700;color:var(--violet);
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 19px;font-size:14.5px;color:var(--ink-2)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-item{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:16px;padding:16px 18px;
  box-shadow:0 8px 22px rgba(28,27,46,.05);font-size:14px;color:var(--ink-2);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.contact-item:hover{transform:translateY(-3px);border-color:rgba(18,184,166,.32);box-shadow:0 14px 30px rgba(18,184,166,.14)}
.contact-item b{display:block;color:var(--ink);font-size:13.5px;margin-bottom:3px;font-weight:700}
.contact-item a{color:#3d23b8;text-decoration:none;word-break:break-all}
.contact-item a:hover{text-decoration:underline}
.qr-card{
  background:#fff;border:1px solid rgba(28,27,46,.08);border-radius:20px;
  padding:20px;text-align:center;box-shadow:0 14px 34px rgba(255,77,132,.12);
}
.qr-card img{display:block;width:100%;max-width:190px;height:auto;margin:0 auto 12px;border-radius:14px}
.qr-card b{display:block;font-size:15px;color:var(--ink)}
.qr-card small{color:var(--ink-3);font-size:13px}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}.contact-list{grid-template-columns:1fr}}

/* ---------- partner ---------- */
.partner{
  background:linear-gradient(140deg,#fff5f9,#f3f0ff 45%,#eefbf8);
  border:1px solid rgba(28,27,46,.08);border-radius:26px;
  padding:clamp(28px,4vw,44px);box-shadow:0 20px 48px rgba(123,92,255,.13);
  display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;
}
.partner h2{font-size:clamp(22px,2.9vw,30px);line-height:1.35;margin-bottom:12px}
.partner p{color:var(--ink-2);font-size:15px}
.partner-points{display:flex;flex-direction:column;gap:10px}
.partner-points li{
  display:flex;align-items:center;gap:10px;background:#fff;border-radius:13px;
  padding:12px 16px;font-size:14px;font-weight:600;color:var(--ink);
  border:1px solid rgba(28,27,46,.07);box-shadow:0 6px 16px rgba(28,27,46,.05);
}
.partner-points li::before{
  content:"";width:8px;height:8px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,#ff4d84,#7b5cff);
}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
@media (max-width:900px){.partner{grid-template-columns:1fr;gap:22px}}

/* ---------- friend links ---------- */
.friend-links{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:20px 22px;background:#fff;border:1px solid rgba(28,27,46,.08);
  border-radius:18px;box-shadow:0 8px 22px rgba(28,27,46,.05);
}
.friend-links strong{font-size:14px;color:var(--ink);margin-right:6px}
.friend-links a{
  padding:6px 14px;border-radius:9px;font-size:13.5px;text-decoration:none;
  color:#3d23b8;background:#f7f4ff;border:1px solid rgba(123,92,255,.16);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.friend-links a:hover{background:#efe9ff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(123,92,255,.15)}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#fffdfb,#fdf3f8);
  border-top:1px solid rgba(28,27,46,.09);
  padding:34px 0 26px;
}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{display:block;width:auto;max-width:110px;max-height:36px}
.footer-brand p{font-size:14.5px;font-weight:700;color:#24233a}
.footer-meta{text-align:right;font-size:13.5px;color:#4b4a63}
.footer-meta a{color:#5238bd;text-decoration:none}
.footer-meta a:hover{text-decoration:underline}
.footer-meta p{color:#4b4a63}
@media (max-width:720px){
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-meta{text-align:left}
}

/* ---------- float tools ---------- */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-btn{
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  font-size:12.5px;font-weight:700;color:#fff;font-family:inherit;
  background:linear-gradient(135deg,#ff4d84,#7b5cff);
  box-shadow:0 14px 30px rgba(123,92,255,.34);
  transition:transform .24s ease,box-shadow .24s ease,opacity .24s ease;
  display:grid;place-items:center;line-height:1.2;padding:0;
}
.float-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 18px 36px rgba(123,92,255,.42)}
#topBtn{background:linear-gradient(135deg,#12b8a6,#2f9bff);opacity:0;visibility:hidden;pointer-events:none}
#topBtn.show{opacity:1;visibility:visible;pointer-events:auto}
.kefu-panel{
  position:fixed;right:18px;bottom:148px;z-index:91;width:232px;
  background:#fff;border:1px solid rgba(28,27,46,.1);border-radius:18px;
  padding:16px;text-align:center;box-shadow:0 22px 50px rgba(28,27,46,.18);
  animation:fadeDown .24s ease both;
}
.kefu-panel img{display:block;width:100%;max-width:168px;height:auto;margin:0 auto 10px;border-radius:12px}
.kefu-panel b{display:block;font-size:14px;color:var(--ink)}
.kefu-panel small{display:block;font-size:12.8px;color:var(--ink-3);margin-top:4px}

/* ---------- reveal ---------- */
html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.8,.32,1)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
  .hero::before,.hero::after{animation:none}
  html{scroll-behavior:auto}
}