:root{
  --theme:#0B3D91;
  --ink:#20283a;
  --muted:#697386;
  --line:#e7eaf0;
  --paper:#f7f9fc;
  --white:#fff;
  --amber:#d99235;
  --sand:#f3e8d3;
  --coffee:#36251c;
  --shadow:0 18px 50px rgba(20,34,58,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.topbar{background:var(--coffee);color:#f9ead3;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
.topbar a{color:#f9d998}
.header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;min-width:180px;font-weight:800;color:var(--coffee);font-size:18px}
.logo img{width:38px;height:38px;object-fit:contain}
.main-nav{flex:1}
.nav-list{display:flex;align-items:stretch;justify-content:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;height:76px;padding:0 13px;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link:focus{color:var(--theme)}
.has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#9b6a2c}
.dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:300px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s;pointer-events:none}
.mega-menu{width:680px}
.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);pointer-events:auto}
.dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
.panel-title{font-weight:800;color:var(--coffee);margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--sand)}
.dropdown-panel>a{display:block;padding:8px 0;font-size:14px;border-bottom:1px solid #f0f1f4}
.dropdown-panel>a:hover,.mega-menu a:hover{color:var(--theme)}
.mega-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:22px}
.mega-list{display:grid;gap:8px}
.mega-card{display:flex;gap:10px;padding:8px;border-radius:8px}
.mega-card:hover{background:var(--paper)}
.mega-card img{width:42px;height:42px;object-fit:cover;border-radius:7px;background:var(--sand);flex:none}
.mega-card span{min-width:0}
.mega-card b,.mega-card small{display:block}
.mega-card b{font-size:13px}
.mega-card small{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mega-menu p{font-size:13px;color:var(--muted);margin:5px 0 18px}
.mega-footer{display:inline-block!important;color:var(--theme);font-weight:700;font-size:13px;padding:8px 0}
.header-btns{display:flex;align-items:center;gap:10px;white-space:nowrap}
.member-link{font-size:13px;color:var(--theme)}
.open-link{background:var(--theme);color:#fff;border-radius:7px;padding:9px 15px;font-size:13px}
.hamburger{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
.hamburger span{display:block;width:23px;height:2px;margin:4px 0;background:var(--coffee);transition:.2s}
.hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer-overlay{display:none;position:fixed;inset:0;background:rgba(14,22,35,.48);z-index:30}
.drawer-overlay.open{display:block}
.mobile-drawer{position:fixed;z-index:31;top:0;right:0;width:min(360px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.25s;overflow:auto;box-shadow:-12px 0 35px rgba(0,0,0,.16)}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:12px;padding:18px 20px;background:var(--coffee);color:#fff}
.drawer-head a:first-child{font-weight:700;margin-right:auto}
.drawer-head a:nth-child(2){color:#f5d59d}
.drawer-close{border:0;background:transparent;color:#fff;font-size:28px;line-height:1;cursor:pointer}
.drawer-menu{padding:12px 20px 30px}
.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;color:var(--ink);font:inherit;cursor:pointer}
.drawer-toggle:after{content:"＋";float:right;color:var(--muted)}
.drawer-toggle.active:after{content:"－"}
.drawer-submenu{display:none;padding:4px 0 8px 16px}
.drawer-submenu.open{display:block}
.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
.about-page{background:var(--paper)}
.about-hero{padding:76px 0 68px;text-align:center;background:linear-gradient(135deg,#fff 0%,#f8ecd9 100%);border-bottom:1px solid #eadcc5}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9a6326;font-size:13px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--amber)}
.about-hero h1{margin:16px auto 12px;max-width:800px;color:var(--coffee);font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.04em}
.about-hero p{max-width:680px;margin:0 auto;color:#6d625a;font-size:17px}
.about-section{padding:72px 0}
.section-heading{text-align:center;margin-bottom:34px}
.section-heading h2{margin:8px 0;font-size:32px;color:var(--coffee)}
.section-heading p{margin:0 auto;color:var(--muted);max-width:680px}
.about-story{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
.story-panel{background:#fff;padding:36px;border-radius:18px;box-shadow:var(--shadow)}
.story-panel h2{margin:0 0 16px;color:var(--coffee);font-size:30px}
.story-panel p{color:var(--muted);margin:0 0 14px}
.story-visual{min-height:330px;border-radius:22px;padding:30px;background:linear-gradient(145deg,var(--coffee),#76502e);color:#fff;display:flex;align-items:end;position:relative;overflow:hidden}
.story-visual:before,.story-visual:after{content:"";position:absolute;border:1px solid rgba(255,224,170,.35);border-radius:50%}
.story-visual:before{width:300px;height:300px;right:-90px;top:-80px}
.story-visual:after{width:180px;height:180px;right:20px;top:30px}
.story-visual strong{font-size:42px;line-height:1.15;max-width:300px;position:relative;z-index:1}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.value-card{background:#fff;border:1px solid var(--line);padding:28px;border-radius:15px}
.value-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;background:var(--sand);color:#9a6326;font-size:23px}
.value-card h3{margin:18px 0 8px;color:var(--coffee)}
.value-card p{margin:0;color:var(--muted);font-size:14px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.timeline-item{position:relative;padding:0 20px;border-left:1px solid #dec9a9}
.timeline-item:first-child{border-left:0}
.timeline-item b{color:#b4772b;font-size:24px}
.timeline-item h3{margin:8px 0;color:var(--coffee);font-size:17px}
.timeline-item p{margin:0;color:var(--muted);font-size:14px}
.about-cta{padding:65px 20px;text-align:center;background:var(--theme);color:#fff}
.about-cta h2{margin:0 0 12px;font-size:32px}
.about-cta p{margin:0 auto 24px;max-width:650px;color:#dce7fb}
.btn{display:inline-block;padding:12px 22px;border-radius:7px;font-weight:700;font-size:14px}
.btn-light{background:#fff;color:var(--theme)}
.footer{background:#211914;color:#d9cabc;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:35px}
.footer strong{font-size:21px;color:#fff}
.footer h3{font-size:15px;color:#f5d59d;margin:0 0 14px}
.footer p{font-size:13px;color:#bcaea3;margin:12px 0}
.footer-grid>div:not(:first-child) a{display:block;font-size:13px;color:#cfc0b4;padding:4px 0}
.footer-grid a:hover{color:#f5d59d}
.footer-bottom{border-top:1px solid #493a31;margin-top:32px;padding-top:17px;text-align:center;font-size:12px;color:#988a80}
@media(max-width:1050px){
  .main-nav{display:none}
  .hamburger{display:block}
  .header-inner{justify-content:space-between}
  .about-story{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .container{width:min(100% - 28px,1180px)}
  .topbar .container{height:auto;min-height:38px;gap:6px;align-items:flex-start;flex-direction:column;padding:7px 0}
  .topbar .contact{font-size:12px}
  .logo{min-width:0}
  .member-link,.open-link{display:none}
  .about-hero{padding:52px 0}
  .about-hero p{font-size:15px}
  .about-section{padding:48px 0}
  .story-panel{padding:25px}
  .story-visual{min-height:240px}
  .values,.timeline{grid-template-columns:1fr}
  .timeline{gap:24px;padding:24px}
  .timeline-item{border-left:0;border-top:1px solid #dec9a9;padding:20px 0 0}
  .timeline-item:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr;gap:25px}
}