*{margin:0;padding:0;box-sizing:border-box}
:root{--brand:#c0392b;--brand-2:#e74c3c;--brand-3:#ffd9a0;--ink:#1f2328;--ink-2:#4a5058;--bg:#ffffff;--bg-2:#f7f5f2;--line:#e6e1da;--glass:rgba(255,255,255,.68);--glass-line:rgba(255,255,255,.55);--shadow:0 10px 30px rgba(31,35,40,.08);--shadow-lg:0 20px 50px rgba(31,35,40,.16);--radius:16px;--radius-sm:10px;--ease:cubic-bezier(.22,.61,.36,1)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background .4s var(--ease),color .4s var(--ease)}
body.dark{--ink:#e8e6e3;--ink-2:#b3b0ac;--bg:#16181c;--bg-2:#1e2126;--line:#2e3238;--glass:rgba(30,33,38,.66);--glass-line:rgba(255,255,255,.08);--shadow:0 10px 30px rgba(0,0,0,.35);--shadow-lg:0 20px 50px rgba(0,0,0,.5)}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease)}
a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 var(--radius-sm) 0}
.skip-link:focus{left:8px;top:8px}
header.site-header{position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);transition:background .4s var(--ease),border-color .4s var(--ease)}
.header-inner{display:flex;align-items:center;gap:20px;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);transition:transform .3s var(--ease)}
.logo:hover{text-decoration:none;transform:translateY(-1px)}
.logo .mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-size:17px;font-weight:900;box-shadow:0 6px 16px rgba(192,57,43,.35);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.logo:hover .mark{transform:rotate(-8deg) scale(1.05);box-shadow:0 8px 22px rgba(192,57,43,.5)}
nav.main-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
nav.main-nav a{padding:7px 12px;border-radius:9px;color:var(--ink-2);font-size:14.5px;font-weight:500;position:relative;transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease)}
nav.main-nav a:hover{background:var(--bg-2);color:var(--brand);text-decoration:none;transform:translateY(-1px)}
.header-tools{display:flex;align-items:center;gap:8px}
.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:var(--bg-2);transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .4s var(--ease)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(192,57,43,.14)}
.search-box input{border:0;outline:0;background:transparent;color:var(--ink);width:150px;font-size:14px;font-family:inherit}
.search-box button{border:0;background:transparent;cursor:pointer;color:var(--brand);font-size:14px;font-family:inherit;font-weight:600;transition:opacity .25s var(--ease)}
.search-box button:hover{opacity:.75}
.icon-btn{border:1px solid var(--line);background:var(--bg-2);color:var(--ink);width:38px;height:38px;border-radius:var(--radius-sm);cursor:pointer;font-size:16px;display:grid;place-items:center;transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease)}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.menu-toggle{display:none}
.hero{position:relative;background:linear-gradient(120deg,#2b1a17 0%,#5a2420 55%,#8f2f28 100%);color:#fff;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(255,217,160,.22),transparent 46%),radial-gradient(circle at 8% 92%,rgba(231,76,60,.28),transparent 52%);z-index:0;pointer-events:none}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 70%);z-index:0;pointer-events:none;animation:floatOrb 16s ease-in-out infinite}
@keyframes floatOrb{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(-28px,34px,0) scale(1.08)}}
.hero .container{position:relative;z-index:2;padding:64px 0 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:900;letter-spacing:.5px}
.hero h1 .kw{color:var(--brand-3);position:relative;display:inline-block}
.hero h1 .kw::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;border-radius:4px;background:rgba(255,217,160,.22);z-index:-1}
.hero p.lead{margin-top:16px;font-size:16.5px;color:#f3e6df;max-width:640px}
.hero .cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 22px;border-radius:var(--radius-sm);font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand-2);color:#fff;box-shadow:0 8px 20px rgba(231,76,60,.34)}
.btn-primary:hover{background:#d13a2b;box-shadow:0 12px 26px rgba(231,76,60,.46)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.6)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;max-width:520px}
.hero-stats>div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-sm);padding:12px 14px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:transform .3s var(--ease),background .3s var(--ease)}
.hero-stats>div:hover{transform:translateY(-3px);background:rgba(255,255,255,.12)}
.hero-stats .num{font-size:26px;font-weight:900;color:var(--brand-3);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stats .lbl{font-size:13px;color:#e3cfc6}
.hero-visual{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);background:#1a1412;border:1px solid rgba(255,255,255,.12);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.hero-visual:hover{transform:translateY(-4px)}
.carousel{position:relative}
.slides{position:relative;aspect-ratio:16/10}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .7s var(--ease);display:grid;place-items:center}
.slide.active{opacity:1}
.slide svg{width:100%;height:100%}
.slide-caption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(transparent,rgba(0,0,0,.78));font-size:14px;color:#fff;letter-spacing:.3px}
.carousel-dots{position:absolute;bottom:10px;right:14px;display:flex;gap:6px;z-index:3}
.carousel-dots button{width:8px;height:8px;border-radius:50%;border:0;background:rgba(255,255,255,.45);cursor:pointer;padding:0;transition:width .35s var(--ease),background .35s var(--ease)}
.carousel-dots button:hover{background:rgba(255,255,255,.75)}
.carousel-dots button.active{background:var(--brand-3);width:20px;border-radius:4px}
section{padding:56px 0}
section.alt{background:var(--bg-2);transition:background .4s var(--ease)}
.section-head{max-width:820px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;line-height:1.35}
.section-head h2::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));margin-top:12px;transition:width .4s var(--ease)}
.section-head:hover h2::after{width:88px}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .4s var(--ease);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--brand-3));opacity:0;transition:opacity .35s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(192,57,43,.35)}
.card:hover::before{opacity:1}
.card h3{font-size:17.5px;margin-bottom:10px}
.card h4{font-size:15.5px;margin:14px 0 6px;color:var(--brand)}
.card p{color:var(--ink-2);font-size:14.8px}
.card p+p{margin-top:10px}
.card ul{margin:8px 0 0 18px;color:var(--ink-2);font-size:14.6px}
.card ul li{margin-bottom:6px}
.card ul li::marker{color:var(--brand)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}
.badge{display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:rgba(192,57,43,.1);border-radius:999px;padding:3px 10px;margin-bottom:10px}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.article-item{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .4s var(--ease)}
.article-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(192,57,43,.35)}
.article-item .meta{font-size:12.5px;color:var(--ink-2);margin-bottom:8px}
.article-item h3{font-size:16.5px;margin-bottom:8px;transition:color .25s var(--ease)}
.article-item:hover h3{color:var(--brand)}
.article-item p{color:var(--ink-2);font-size:14.6px;flex:1}
.article-item .more{margin-top:12px;font-weight:700;font-size:14px;display:inline-block;transition:transform .25s var(--ease)}
.article-item:hover .more{transform:translateX(4px);text-decoration:none}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .4s var(--ease)}
.faq-item:hover{border-color:rgba(192,57,43,.4)}
.faq-item.open{border-color:var(--brand);box-shadow:0 12px 30px rgba(192,57,43,.14)}
.faq-q{width:100%;text-align:left;background:transparent;border:0;padding:16px 18px;font-size:15.5px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center;font-family:inherit;transition:color .25s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-q .ind{color:var(--brand);font-size:20px;line-height:1;transition:transform .35s var(--ease)}
.faq-item.open .faq-q .ind{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a .inner{padding:0 18px 18px;color:var(--ink-2);font-size:14.8px}
.steps{counter-reset:step;display:grid;gap:16px}
.step{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px 20px 66px;box-shadow:var(--shadow);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .4s var(--ease)}
.step:hover{transform:translateX(5px);box-shadow:var(--shadow-lg);border-color:rgba(192,57,43,.35)}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:900;display:grid;place-items:center;font-size:15px;box-shadow:0 6px 14px rgba(192,57,43,.32);transition:transform .35s var(--ease)}
.step:hover::before{transform:scale(1.1) rotate(-6deg)}
.step h3{font-size:16px;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:14.6px}
.case-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease),background .4s var(--ease)}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(192,57,43,.35)}
.case-card .thumb{aspect-ratio:16/9;background:var(--bg-2);overflow:hidden}
.case-card .thumb svg{transition:transform .6s var(--ease)}
.case-card:hover .thumb svg{transform:scale(1.06)}
.case-card .body{padding:18px}
.case-card h3{font-size:16.5px;margin-bottom:8px}
.case-card p{color:var(--ink-2);font-size:14.6px}
.quote{background:var(--bg-2);border-left:4px solid var(--brand);border-radius:var(--radius-sm);padding:16px 18px;color:var(--ink-2);font-size:14.8px;margin-bottom:14px;transition:transform .3s var(--ease),border-color .3s var(--ease),background .4s var(--ease)}
.quote:hover{transform:translateX(4px);border-color:var(--brand-2)}
.quote .who{display:block;margin-top:8px;font-weight:700;color:var(--ink);font-size:13.5px}
table{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:background .4s var(--ease)}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--bg-2);font-weight:700}
tr:last-child td{border-bottom:0}
tbody tr{transition:background .25s var(--ease)}
tbody tr:hover{background:var(--bg-2)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.contact-info dl{display:grid;grid-template-columns:110px 1fr;gap:10px 14px;font-size:14.8px}
.contact-info dt{color:var(--ink-2);font-weight:700}
.contact-info dd{color:var(--ink);word-break:break-word}
.contact-form label{display:block;font-size:13.5px;font-weight:700;margin:12px 0 6px}
.contact-form input,.contact-form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-2);color:var(--ink);font-family:inherit;font-size:14.5px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .4s var(--ease)}
.contact-form input:focus,.contact-form textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(192,57,43,.14);background:var(--bg)}
.contact-form textarea{min-height:110px;resize:vertical}
.contact-form button{margin-top:14px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:13.5px;color:var(--ink-2);transition:color .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.tags a:hover{color:var(--brand);border-color:var(--brand);text-decoration:none;transform:translateY(-2px)}
footer.site-footer{background:#1a1c20;color:#c9c6c2;padding:48px 0 20px;font-size:14.3px}
footer.site-footer a{color:#e0dcd7;transition:color .25s var(--ease)}
footer.site-footer a:hover{color:var(--brand-3)}
footer .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
footer h3{color:#fff;font-size:15px;margin-bottom:12px}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
footer .copy{border-top:1px solid #2c2f34;margin-top:32px;padding-top:18px;color:#8f8c88;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.back-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;cursor:pointer;font-size:18px;display:none;place-items:center;z-index:120;box-shadow:0 8px 22px rgba(192,57,43,.42);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.back-top.show{display:grid;animation:popIn .35s var(--ease)}
.back-top:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(192,57,43,.55)}
@keyframes popIn{from{opacity:0;transform:translateY(14px) scale(.85)}to{opacity:1;transform:none}}
.breadcrumb{font-size:13.5px;color:var(--ink-2);padding:14px 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--ink-2)}
.notice{background:rgba(192,57,43,.07);border:1px solid rgba(192,57,43,.25);border-radius:var(--radius);padding:16px 18px;font-size:14.6px;color:var(--ink-2);transition:background .3s var(--ease),border-color .3s var(--ease)}
.notice:hover{background:rgba(192,57,43,.1);border-color:rgba(192,57,43,.4)}
.notice strong{color:var(--brand)}
::selection{background:rgba(192,57,43,.22);color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
.reveal{opacity:1;transform:none}
}
@media (max-width:980px){
.hero .container{grid-template-columns:1fr;gap:28px;padding:48px 0 44px}
.grid-4{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(2,1fr)}
.contact-grid{grid-template-columns:1fr}
footer .foot-grid{grid-template-columns:1fr 1fr}
nav.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--glass);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);padding:12px;flex-direction:column;gap:2px;box-shadow:var(--shadow-lg);animation:navDrop .3s var(--ease)}
nav.main-nav.open{display:flex}
@keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
nav.main-nav a{padding:10px 14px}
.menu-toggle{display:grid}
.search-box input{width:110px}
.hero-stats{max-width:none}
}
@media (max-width:640px){
.grid-3,.grid-2,.grid-4,.article-list{grid-template-columns:1fr}
.hero-stats{grid-template-columns:1fr 1fr 1fr;gap:8px}
.hero-stats .num{font-size:21px}
.hero-stats>div{padding:10px}
footer .foot-grid{grid-template-columns:1fr}
.contact-info dl{grid-template-columns:1fr}
.contact-info dd{margin-bottom:6px}
section{padding:40px 0}
.card,.article-item,.step,.case-card{padding:18px}
.step{padding-left:60px}
.header-inner{gap:10px}
.logo{font-size:18px}
.logo .mark{width:32px;height:32px;font-size:15px}
.search-box{display:none}
footer .copy{flex-direction:column;gap:8px}
.back-top{right:14px;bottom:14px;width:42px;height:42px}
}