:root{
  --brand: rgb(255, 80, 0);
  --brand-dark:#E85A00;
  --light-orange:#FFF3EC;
  --page-gray:#F6F6F6;
  --text:#222222;
  --muted:#555555;
  --soft:#777777;
  --footer:#1F1F1F;
  --footer-text:#D8D8D8;
  --white:#FFFFFF;
  --border:#ECECEC;
  --shadow:0 12px 32px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 2px 14px rgba(0,0,0,.06)}
.desktop-header{height:76px;display:flex;align-items:center;gap:24px}
.brand-logo img{width:150px;max-height:48px;object-fit:contain}
.desktop-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;white-space:nowrap}
.desktop-nav a{font-size:15px;color:#333;padding:10px 12px;border-radius:999px;transition:.2s ease}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--brand);background:var(--light-orange)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:999px;padding:10px 22px;font-weight:700;line-height:1.2;box-shadow:0 10px 22px rgba(255,80,0,.22);transition:.2s ease;border:none;white-space:nowrap}
.main-btn:hover{background:var(--brand-dark);transform:translateY(-1px)}
.header-action{font-size:15px;min-width:112px}
.mobile-topbar{display:none;height:64px;align-items:center;justify-content:space-between;padding:0 12px;gap:10px}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;max-width:120px}
.mobile-logo img{width:112px;max-height:38px;object-fit:contain}
.menu-toggle{width:42px;height:42px;border:none;background:transparent;padding:8px;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;z-index:2}
.menu-toggle span{display:block;height:2px;background:#222;border-radius:2px;width:24px}
.mobile-reg{font-size:13px;padding:8px 12px;min-width:auto;z-index:2;box-shadow:none}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.48);z-index:1200;opacity:0;visibility:hidden;transition:.25s ease}
.drawer-overlay.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;left:0;height:100vh;width:84vw;max-width:320px;background:#fff;z-index:1300;transform:translateX(-105%);transition:transform .28s ease;box-shadow:20px 0 36px rgba(0,0,0,.18);padding:18px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-lock{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:14px;margin-bottom:12px}
.drawer-head img{width:132px;max-height:42px;object-fit:contain}
.drawer-close{border:none;background:var(--light-orange);color:var(--brand);font-size:28px;line-height:1;width:38px;height:38px;border-radius:50%;cursor:pointer}
.drawer-nav{display:grid;gap:8px}
.drawer-nav a{padding:12px 14px;border-radius:12px;color:#333;font-weight:600;background:#fff}
.drawer-nav a.active,.drawer-nav a:hover{background:var(--light-orange);color:var(--brand)}
.hero-section{background:linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.58)),url('banner.webp');background-size:cover;background-position:center;background-repeat:no-repeat;padding:48px 0 54px;color:#fff;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;max-width:1200px;margin:0 auto;width:min(1200px,calc(100% - 32px))}
.hero-image{position:relative;z-index:2;display:flex;justify-content:center;align-items:center}
.hero-image img{width:100%;max-height:520px;object-fit:contain;filter:drop-shadow(0 22px 30px rgba(0,0,0,.38))}
.hero-content{position:relative;z-index:2;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:30px;backdrop-filter:blur(2px)}
.hero-kicker,.section-kicker,.page-kicker{display:inline-flex;align-items:center;border-radius:999px;background:var(--light-orange);color:var(--brand);font-weight:700;font-size:13px;padding:4px 11px;margin-bottom:10px}
.hero-kicker{background:rgba(255,80,0,.14);color:#fff;border:1px solid rgba(255,80,0,.42)}
.hero-title{margin:0 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.1;color:rgb(255,80,0);letter-spacing:.5px}
.hero-desc{color:#fff;font-size:17px;margin:0 0 22px;max-width:620px}
.hero-notes{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;color:#E8E8E8;font-size:13px}
.hero-notes span{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);border-radius:999px;padding:5px 10px}
section{padding:56px 0}
.section-title{font-size:clamp(26px,3vw,38px);line-height:1.25;margin:0 0 10px;color:#1e1e1e}
.section-title strong{color:var(--brand);font-weight:800}
.section-desc{margin:0 0 28px;color:var(--muted);max-width:850px}
.section-head{margin-bottom:26px}
.bg-gray{background:var(--page-gray)}
.bg-orange{background:linear-gradient(180deg,#fff 0%,var(--light-orange) 100%)}
.quick-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:14px;margin-top:-22px;position:relative;z-index:5}
.quick-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:16px 12px;text-align:center;box-shadow:var(--shadow);min-height:116px;display:flex;flex-direction:column;justify-content:center;gap:5px}
.quick-card b{color:#222;font-size:16px}
.quick-card span{color:var(--soft);font-size:13px;line-height:1.5}
.text-link{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:4px;margin-top:8px}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card,.content-card,.service-card,.faq-item,.notice-box,.step-card,.contact-card{background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}
.feature-card{overflow:hidden;display:flex;flex-direction:column}
.card-media{height:170px;background:linear-gradient(135deg,#fff,#fff3ec);display:flex;align-items:center;justify-content:center;padding:12px;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:contain;object-position:center}
.card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{margin:0;font-size:21px;color:#1f1f1f}
.card-body p{margin:0;color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.category-card{background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:0 10px 28px rgba(0,0,0,.06);display:flex;flex-direction:column}
.category-card .card-media{height:160px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.tag-row span{font-size:13px;border-radius:999px;background:var(--light-orange);color:var(--brand);padding:4px 10px;font-weight:700}
.app-panel,.split-panel{display:grid;grid-template-columns:1fr 1.08fr;align-items:center;gap:30px;background:#fff;border-radius:24px;border:1px solid var(--border);padding:26px;box-shadow:var(--shadow)}
.app-visual,.split-visual{background:linear-gradient(135deg,#fff,var(--light-orange));border-radius:20px;padding:16px;display:flex;justify-content:center;align-items:center;min-height:260px}
.app-visual img,.split-visual img{max-height:360px;width:100%;object-fit:contain}
.app-content h2,.split-content h2{font-size:32px;line-height:1.25;margin:0 0 12px}
.app-content p,.split-content p{color:var(--muted);margin:0 0 12px}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-card{padding:22px;min-height:170px}
.service-card h3{margin:0 0 8px;color:#222;font-size:20px}
.service-card p{margin:0;color:var(--muted)}
.notice-box{padding:24px;background:linear-gradient(135deg,#fff,var(--light-orange));border-color:#ffd5c2}
.notice-box h2,.notice-box h3{margin:0 0 10px;color:#1f1f1f}
.notice-box p{margin:0 0 8px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-item{padding:22px}
.faq-item h3{margin:0 0 8px;font-size:19px;color:#222}
.faq-item p{margin:0;color:var(--muted)}
.page-hero{background:linear-gradient(135deg,#111 0%,#222 48%,#3b180b 100%);color:#fff;padding:62px 0 54px}
.page-hero .container{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}
.page-hero h1{font-size:clamp(32px,4vw,50px);line-height:1.15;margin:0 0 14px;color:var(--brand)}
.page-hero p{margin:0;color:#E8E8E8;max-width:820px;font-size:17px}
.page-badge{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.page-badge span{border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:6px 12px;color:#fff;background:rgba(255,255,255,.08);font-size:13px}
.content-section{padding:56px 0;background:#fff}
.page-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
.rich-card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:26px;box-shadow:var(--shadow)}
.rich-card h2{margin:0 0 12px;font-size:28px;line-height:1.3}
.rich-card h3{margin:18px 0 8px;font-size:22px}
.rich-card p{margin:0 0 12px;color:var(--muted)}
.rich-card ul,.rich-card ol{margin:10px 0 0;padding-left:20px;color:var(--muted)}
.rich-card li{margin:8px 0}
.aside-card{background:var(--light-orange);border:1px solid #ffd5c2;border-radius:22px;padding:22px;position:sticky;top:96px}
.aside-card h3{margin:0 0 10px;color:#222}
.aside-card p{margin:0 0 10px;color:var(--muted)}
.aside-card a{display:block;color:var(--brand);font-weight:700;margin:8px 0}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-grid .service-card{min-height:150px}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:steps}
.step-card{padding:22px;position:relative;overflow:hidden}
.step-card:before{counter-increment:steps;content:counter(steps);position:absolute;right:18px;top:8px;color:rgba(255,80,0,.15);font-size:58px;font-weight:900;line-height:1}
.step-card h3{margin:0 0 8px;color:#222}
.step-card p{margin:0;color:var(--muted)}
.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
.link-row a{background:#fff;border:1px solid #ffd5c2;border-radius:999px;padding:6px 12px;color:var(--brand);font-weight:700}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-card{padding:22px}
.contact-card h3{margin:0 0 8px;color:#222}
.contact-card p{margin:0;color:var(--muted)}
.site-footer{background:var(--footer);color:var(--footer-text);padding:44px 0 0}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr 1fr;gap:28px}
.footer-logo{width:145px;max-height:50px;object-fit:contain;margin-bottom:12px}
.site-footer h3{color:#fff;margin:0 0 12px;font-size:18px}
.site-footer p{margin:0;color:var(--footer-text);font-size:14px}
.site-footer a{display:block;color:var(--footer-text);margin:7px 0;font-size:14px}
.site-footer a:hover{color:var(--brand)}
.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.08);margin-top:28px;padding:16px;color:#aaa;font-size:13px}
@media (max-width: 1080px){
  .desktop-nav a{padding:9px 8px;font-size:14px}.quick-grid{grid-template-columns:repeat(5,1fr)}.service-grid{grid-template-columns:repeat(2,1fr)}.step-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 900px){
  .desktop-header{display:none}.mobile-topbar{display:flex}.site-header{background:#fff}.hero-inner{grid-template-columns:1fr;text-align:center;gap:20px}.hero-image{order:1}.hero-content{order:2;padding:22px}.hero-image img{max-height:320px}.hero-desc{margin-left:auto;margin-right:auto}.hero-notes{justify-content:center}.feature-grid,.category-grid,.info-grid,.contact-grid{grid-template-columns:1fr 1fr}.app-panel,.split-panel,.page-grid{grid-template-columns:1fr}.page-hero .container{grid-template-columns:1fr}.aside-card{position:static}.footer-grid{grid-template-columns:1fr 1fr}.page-badge{margin-top:8px}.quick-grid{grid-template-columns:repeat(3,1fr);margin-top:0}
}
@media (max-width: 640px){
  .container{width:min(100% - 24px,1200px)}section,.content-section{padding:42px 0}.hero-section{padding:28px 0 38px}.hero-content{border-radius:18px;background:rgba(0,0,0,.24)}.hero-title{font-size:34px}.hero-desc{font-size:15px}.hero-image img{max-height:300px}.quick-grid{grid-template-columns:repeat(2,1fr);gap:10px}.quick-card{min-height:102px;padding:14px 8px}.feature-grid,.category-grid,.service-grid,.faq-grid,.info-grid,.step-grid,.contact-grid{grid-template-columns:1fr}.card-media{height:145px}.category-card .card-media{height:135px}.app-panel,.split-panel{padding:18px;border-radius:18px}.app-visual,.split-visual{min-height:210px;padding:10px}.app-visual img,.split-visual img{max-height:280px}.app-content h2,.split-content h2,.rich-card h2{font-size:25px}.rich-card{padding:20px}.page-hero{padding:46px 0 40px}.footer-grid{grid-template-columns:1fr}.main-btn{padding:9px 16px}.mobile-reg{font-size:13px;padding:8px 11px}.mobile-logo img{width:104px}.mobile-drawer{width:84vw}
}