/* 广州不可思议运营管理有限公司 · 官网样式表 */
:root{
  --brand:#2159D4;
  --brand-deep:#123C97;
  --brand-soft:#EEF4FF;
  --accent:#F97316;
  --ink:#1B2434;
  --muted:#5C6B82;
  --line:#E6ECF6;
  --bg:#F6F9FE;
  --white:#fff;
  --success:#1FA97A;
  --shadow-sm:0 4px 14px rgba(18,60,151,.06);
  --shadow:0 16px 40px rgba(18,60,151,.10);
  --radius:16px;
  --wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;
}
img{max-width:100%;height:auto;display:block}
.photo-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;align-items:start}
.photo-row img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;box-shadow:var(--shadow-sm)}
.photo-row.tall img{aspect-ratio:3/4}
.photo-row.natural img{aspect-ratio:auto;height:auto;object-fit:fill}
.photo-single img{width:100%;height:auto;border-radius:18px;box-shadow:var(--shadow)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.32;font-weight:700}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:20px}
h4{font-size:17px}
p{color:var(--ink)}
ul,ol{padding-left:1.2em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:#fff;padding:8px 12px;border-radius:8px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:40px;width:auto}
.brand-text{font-weight:800;font-size:19px;color:var(--brand-deep);letter-spacing:.5px;line-height:1.2}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.2px}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav-main a{padding:9px 13px;border-radius:9px;color:var(--muted);font-size:15px;font-weight:500}
.nav-main a:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.nav-main a[aria-current="page"]{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-tel{display:inline-flex;align-items:center;gap:7px;background:var(--brand);color:#fff!important;padding:11px 18px;border-radius:11px;font-weight:700;font-size:15px;box-shadow:var(--shadow-sm);white-space:nowrap}
.nav-tel:hover{background:var(--brand-deep);text-decoration:none}
.nav-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px;font-size:15px;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(135deg,#123C97,#2159D4 55%,#3E7BEF);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 12%,rgba(255,255,255,.22),transparent 42%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;padding:72px 0}
.hero h1{font-size:42px;margin-bottom:16px}
.hero .lead{font-size:17px;color:rgba(255,255,255,.94);max-width:620px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.hero-points span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);padding:7px 13px;border-radius:999px;font-size:13px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:12px;font-weight:700;font-size:16px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:#fff;color:var(--brand-deep)}
.btn-primary:hover{background:#EAF1FF;text-decoration:none}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.2);text-decoration:none}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);text-decoration:none}
.btn-line{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-line:hover{background:var(--brand-soft);text-decoration:none}
.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);border-radius:20px;padding:24px}
.hero-card h3{color:#fff;font-size:17px;margin-bottom:12px}
.hero-card ul{list-style:none;padding:0;display:grid;gap:10px}
.hero-card li{color:rgba(255,255,255,.95);font-size:14px;padding-left:22px;position:relative}
.hero-card li::before{content:"✓";position:absolute;left:0;color:#8EE3C2;font-weight:800}

/* ---------- page head (inner pages) ---------- */
.page-hero{background:linear-gradient(135deg,#123C97,#2159D4);color:#fff;padding:54px 0 58px}
.page-hero h1{font-size:34px}
.page-hero p{color:rgba(255,255,255,.92);margin-top:12px;max-width:760px;font-size:16px}
.crumbs{font-size:13px;color:rgba(255,255,255,.78);margin-bottom:14px}
.crumbs a{color:rgba(255,255,255,.9)}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section.white{background:#fff}
.section.tight{padding:44px 0}
.sec-head{max-width:820px;margin-bottom:32px}
.eyebrow{color:var(--brand);font-size:12px;letter-spacing:2.5px;font-weight:700;text-transform:uppercase;margin-bottom:10px}
.sec-head h2{margin-bottom:12px}
.sec-head .sub{color:var(--muted);font-size:16px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.card h3{color:var(--brand-deep);margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card ul{margin-top:12px;display:grid;gap:8px;list-style:none;padding:0}
.card li{position:relative;padding-left:20px;font-size:14px;color:var(--muted)}
.card li::before{content:"·";position:absolute;left:6px;color:var(--brand);font-weight:900}
.tick{list-style:none;padding:0;display:grid;gap:10px}
.tick li{position:relative;padding-left:24px;color:var(--muted);font-size:15px}
.tick li::before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:800}
.tick strong{color:var(--ink)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.stat b{display:block;font-size:34px;color:var(--brand);font-weight:800;line-height:1.2}
.stat span{color:var(--muted);font-size:14px}

/* two column */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.split img{border-radius:18px;box-shadow:var(--shadow);width:100%}
.note{background:var(--brand-soft);border:1px solid #D8E5FF;border-radius:var(--radius);padding:22px 24px;color:var(--brand-deep);font-size:15px}

/* case */
.case{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow-sm)}
.case + .case{margin-top:22px}
.case-top{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:6px}
.case-top h3{color:var(--ink)}
.tag{background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:999px}
.case-sub{color:var(--muted);font-size:14px;margin-bottom:16px}
.case-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.case-cols h4{color:var(--brand-deep);margin-bottom:8px;font-size:15px}
.case-cols ul{list-style:none;padding:0;display:grid;gap:7px}
.case-cols li{font-size:14px;color:var(--muted);padding-left:16px;position:relative}
.case-cols li::before{content:"•";position:absolute;left:2px;color:var(--brand)}
.result-band{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-top:20px;padding-top:20px;border-top:1px dashed var(--line)}
.result-band div b{display:block;font-size:22px;color:var(--brand);font-weight:800}
.result-band div span{font-size:13px;color:var(--muted)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step .n{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:var(--brand-soft);color:var(--brand);font-weight:800;margin-bottom:12px}
.step h3{font-size:17px;margin-bottom:8px;color:var(--ink)}
.step p{font-size:14px;color:var(--muted)}

/* faq */
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);font-size:16px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand);font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;color:var(--muted);font-size:15px}

/* timeline */
.timeline{border-left:2px solid #D8E5FF;margin-left:8px;padding-left:26px;display:grid;gap:26px}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-35px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px #E4EEFF}
.tl-item b{display:block;color:var(--brand);font-size:16px;margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:15px}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.contact-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.contact-item .label{font-size:12.5px;color:var(--muted);letter-spacing:1.5px;margin-bottom:8px}
.contact-item .val{font-size:17px;font-weight:700;color:var(--ink);word-break:break-all}
.qr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:center}
.qr-card img{width:100%;max-width:230px;margin:0 auto;border-radius:10px}
.qr-card b{display:block;margin-top:12px;color:var(--ink)}
.qr-card span{font-size:13px;color:var(--muted)}

/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;padding:12px 14px;font:inherit;font-size:15px;background:#FBFCFE}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #C9DAFF;border-color:var(--brand)}
.form-note{font-size:13px;color:var(--muted);margin-top:6px}
.form-msg{margin-top:14px;font-size:15px;font-weight:600}
.form-msg.ok{color:var(--success)}
.form-msg.err{color:#D64545}

/* cta band */
.cta-band{background:linear-gradient(135deg,#123C97,#2159D4);border-radius:22px;padding:36px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.cta-band h2{font-size:26px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px}

/* footer */
.site-footer{background:#0E2A63;color:#C7D5F0;margin-top:60px;padding:52px 0 26px;font-size:14px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.foot-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}
.site-footer a{color:#C7D5F0}
.site-footer ul{list-style:none;padding:0;display:grid;gap:9px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot-brand img{height:38px;width:auto;background:#fff;border-radius:8px;padding:3px}
.foot-bottom{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);display:grid;gap:12px}
.disclaimer{font-size:12.5px;color:#9FB3DB;line-height:1.7}
.beian{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;font-size:13px;color:#C7D5F0}
.beian a{display:inline-flex;align-items:center;gap:5px}
.beian img{height:15px;width:auto;display:block}
.site-footer .sep{color:#5C7099}

/* chat widget */
.chat{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;flex-direction:column;align-items:flex-end}
.chat-panel{display:none;width:340px;max-width:calc(100vw - 32px);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 50px rgba(18,60,151,.22);overflow:hidden;margin-bottom:12px}
.chat-panel.open{display:flex;flex-direction:column}
.chat-head{background:var(--brand);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between}
.chat-head b{font-size:15px}
.chat-head small{display:block;font-size:11.5px;opacity:.85}
.chat-close{border:0;background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer}
.chat-body{padding:16px;display:grid;gap:10px;max-height:320px;overflow-y:auto;background:#F7FAFF}
.msg{padding:10px 13px;border-radius:13px;font-size:14px;line-height:1.7;max-width:88%;white-space:pre-wrap;word-break:break-word}
.msg.bot{background:#fff;border:1px solid var(--line);justify-self:start}
.msg.user{background:var(--brand);color:#fff;justify-self:end}
.msg.typing{color:var(--muted);font-style:italic}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px;background:#F7FAFF}
.chat-quick button,.chat-quick a{border:1px solid #D8E5FF;background:#fff;color:var(--brand);border-radius:999px;padding:7px 11px;font-size:13px;cursor:pointer;text-decoration:none}
.chat-quick a{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:700}
.chat-quick a:hover{text-decoration:none;background:var(--brand-deep)}
.chat-qr{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.chat-qr figure{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center}
.chat-qr img{width:100%;height:auto;border-radius:6px}
.chat-qr figcaption{font-size:11.5px;color:var(--muted);margin-top:6px}
.chat-bar{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);background:#fff}
.chat-bar input{flex:1;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px}
.chat-bar button{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:0 16px;font-weight:700;cursor:pointer}
.chat-fab{border:0;border-radius:999px;background:linear-gradient(135deg,#123C97,#2159D4);color:#fff;padding:14px 20px;font-weight:700;font-size:15px;box-shadow:0 16px 30px rgba(18,60,151,.3);cursor:pointer}
.chat-note{font-size:11.5px;color:var(--muted);padding:0 16px 12px;background:#F7FAFF}

@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:54px 0}
  .split{grid-template-columns:1fr;gap:24px}
  .foot-cols{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:760px){
  h1{font-size:30px}
  h2{font-size:25px}
  .hero h1{font-size:30px}
  .page-hero h1{font-size:27px}
  .nav{height:auto;padding:12px 0;flex-wrap:wrap;gap:10px}
  .nav-toggle{display:block}
  .nav-main{display:none;width:100%;margin-left:0;flex-direction:column;align-items:stretch;gap:4px;padding-bottom:8px}
  .nav-main.open{display:flex}
  .nav-main a{padding:12px}
  .nav-tel{width:100%;justify-content:center}
  .form-row{grid-template-columns:1fr}
  .section{padding:48px 0}
  .cta-band{padding:26px}
  .foot-cols{grid-template-columns:1fr}
}