:root{
  --red:#d70b25;
  --red-dark:#a8071b;
  --ink:#15171b;
  --black:#08090b;
  --muted:#64707d;
  --line:#dfe4ea;
  --soft:#f4f6f8;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.72}
body{overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(1480px,calc(100% - 72px));margin:0 auto}
.topbar{height:42px;background:#111;color:#fff;border-top:4px solid var(--red);font-size:14px;font-weight:700}
.topbar .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.topbar b{color:var(--red);margin-right:6px}
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e7e7e7}
.header .wrap{height:88px;display:grid;grid-template-columns:minmax(350px,auto) minmax(500px,1fr) 210px 170px;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:16px;min-width:0}
.logo-mark{width:220px;height:58px;border-radius:0;background:#fff;border:0;box-shadow:none;display:flex;align-items:center;justify-content:flex-start;gap:10px;color:var(--red);font-family:Arial Black,Arial,sans-serif;letter-spacing:.02em;padding-left:4px}
.logo-mark span{font-size:42px;line-height:1;text-shadow:none}
.logo-mark small{font-size:17px;text-transform:uppercase;color:#444;align-self:center;margin:5px 0 0 0;font-weight:900;letter-spacing:0}
.brand-text{border-left:1px solid #d6dbe0;padding-left:16px;color:#65717d;line-height:1.45;white-space:nowrap;font-size:15px;overflow:visible;text-overflow:clip}
.brand-text strong{display:block;color:#65717d;font-size:15px;font-weight:500}.brand-text strong:after{content:"";display:none}
.nav{display:flex;align-items:center;justify-content:center;gap:20px;font-size:17px;font-weight:700;white-space:nowrap;min-width:0}
.nav a{padding:29px 0 24px;border-bottom:4px solid transparent;white-space:nowrap;word-break:keep-all}
.nav a.active{color:var(--red);border-color:var(--red)}
.header-search{width:100%;max-width:210px;height:50px;border:1px solid #d9dee4;border-radius:999px;display:flex;align-items:center;padding:0 20px;gap:10px;background:#fff;color:#687482;min-width:0}
.header-search svg{width:22px;height:22px;fill:var(--red);flex:0 0 auto}.header-search input{border:0;padding:0;background:transparent;outline:0;font-size:18px;min-width:0;color:#1d2630}.header-search input::placeholder{color:#9aa3ad}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:5px;padding:0 30px;height:56px;font-weight:900;cursor:pointer;font-size:20px;white-space:nowrap;word-break:keep-all;min-width:190px;flex:0 0 auto}
.btn.primary{background:var(--red);color:#fff}.btn.ghost{border:1px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.hero{min-height:720px;position:relative;color:#fff;background:linear-gradient(90deg,rgba(0,0,0,.86),rgba(0,0,0,.58),rgba(0,0,0,.25)),url("images/image-b5ed9d1476f2b342c78a.png") center/cover no-repeat;display:flex;align-items:center}
.hero-content{width:min(900px,100%);padding:88px 0 94px}
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--red);font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before{content:"";width:48px;height:3px;background:var(--red);display:inline-block}
.hero h1{font-size:66px;line-height:1.12;margin:24px 0 22px;letter-spacing:0}
.hero p{font-size:22px;max-width:790px;color:#edf0f3;margin:0 0 32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);align-items:stretch;background:rgba(255,255,255,.16);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.28);width:min(980px,100%)}
.hero-stat{padding:26px 34px;text-align:left;min-width:112px;border-right:1px solid rgba(255,255,255,.22)}.hero-stat:last-child{border-right:0}
.hero-stat strong{font-size:34px;line-height:1;display:block}.hero-stat span{color:#e5e8ec;display:block;margin-top:8px;font-size:16px;line-height:1.45}
.page{display:none}.page.active{display:block}
.section{padding:64px 0}.section.soft{background:var(--soft)}.section.tight{padding:46px 0}
.heading{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:26px}
.heading h2{font-size:34px;line-height:1.22;margin:10px 0 0}
.heading p{max-width:600px;margin:0;color:var(--muted);font-size:16px}
.grid{display:grid;gap:22px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}
.choice-grid{grid-template-columns:repeat(3,1fr)}
.choice-card{border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden;cursor:pointer;transition:.2s;display:flex;flex-direction:column;min-height:100%}
.choice-card:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:0 18px 35px rgba(0,0,0,.08)}
.choice-image{height:180px;background:transparent;display:flex;align-items:center;justify-content:center;padding:18px;border-bottom:1px solid #edf0f3}
.choice-card.compact .choice-image{height:220px;padding:0;background:#e9edf1}
.choice-image img{max-height:100%;object-fit:contain}
.choice-card.compact .choice-image img{width:100%;height:100%;max-height:none;object-fit:cover}
.choice-body{padding:24px}
.choice-body h3{font-size:24px;line-height:1.25;margin:0 0 10px}
.choice-body p{margin:0;color:var(--muted)}
.choice-body span{display:inline-block;color:var(--red);font-weight:900;margin-top:18px}
.page-hero{color:#fff;background:linear-gradient(90deg,rgba(0,0,0,.86),rgba(0,0,0,.62),rgba(0,0,0,.35)),url("images/image-b5ed9d1476f2b342c78a.png") center/cover no-repeat;padding:82px 0 74px}
.page-hero h1{font-size:44px;line-height:1.18;margin:8px 0 14px}
.page-hero p{font-size:20px;color:#d7dce1;max-width:920px;margin:0}.page-hero p.one-line{max-width:none;white-space:nowrap;font-size:19px}.page-hero p.knowledge-line{max-width:none;white-space:nowrap;font-size:18px}
.crumb{color:#cfd5dc;font-size:15px;margin-bottom:12px}
.detail-layout{display:grid;grid-template-columns:330px 1fr;gap:28px;align-items:start}
.detail-section-wrap.is-hidden{display:none}
.side-menu{position:sticky;top:112px;display:grid;gap:12px}
.side-menu button{width:100%;text-align:left;border:1px solid #d7dde3;background:#fff;border-radius:7px;padding:18px 18px;cursor:pointer;color:#1d2630;font-family:inherit}
.side-menu button strong{display:block;font-size:18px;line-height:1.35}.side-menu button span{display:block;color:var(--muted);font-size:14px;margin-top:6px}
.side-menu button.active{border-color:var(--red);background:#fff5f6;color:var(--red)}
.detail-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.detail-hero{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:center;padding:34px;border-bottom:1px solid var(--line)}
.detail-hero h2{font-size:36px;line-height:1.18;margin:0 0 14px}.detail-hero p{color:var(--muted);margin:0;font-size:18px}
.detail-hero img{height:240px;width:100%;object-fit:contain;background:transparent;border-radius:6px;padding:20px}
.detail-hero img.industry-detail-image{object-fit:cover;background:#e9edf1;padding:0}
.detail-body{padding:32px 34px}
.detail-section{margin-bottom:30px}.detail-section:last-child{margin-bottom:0}
.detail-section h3{font-size:23px;margin:0 0 14px}
.pill-list{display:flex;gap:10px;flex-wrap:wrap}
.pill{border:1px solid #f0b8c0;background:#fff7f8;color:var(--red);border-radius:999px;padding:8px 14px;font-weight:800}
.param-table{width:100%;border-collapse:collapse;border:1px solid #dce2e8}.param-table th,.param-table td{border:1px solid #dce2e8;padding:14px 16px;text-align:left;vertical-align:top}.param-table th{width:160px;background:#f5f6f8;font-weight:900}
.article-box{background:#f8fafc;border-left:4px solid var(--red);padding:22px 24px;color:#4f5e6e}
.issue-list{display:grid;gap:12px}.issue-list li{background:#f8fafc;border:1px solid #e1e7ed;border-radius:6px;padding:13px 16px;color:#3d4853}
.article-grid{grid-template-columns:repeat(3,1fr)}
.article-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px;cursor:pointer;transition:.2s}
.article-card:hover{border-color:var(--red);transform:translateY(-2px)}
.article-card .tag{display:inline-flex;border:1px solid #f2b1bb;border-radius:999px;padding:4px 11px;color:var(--red);font-size:13px;font-weight:900;margin-bottom:12px}
.article-card h3{font-size:23px;line-height:1.3;margin:0 0 10px}.article-card p{color:var(--muted);margin:0}.article-card span{color:var(--red);font-weight:900;margin-top:18px;display:inline-block}
.article-detail{background:#fff;border:1px solid var(--line);border-radius:8px;padding:38px}
.article-detail .tag{display:inline-flex;border:1px solid #f2b1bb;background:#fff7f8;border-radius:999px;padding:5px 13px;color:var(--red);font-weight:900;margin-bottom:12px}
.article-detail h2{font-size:40px;line-height:1.2;margin:0 0 16px}.article-detail .summary{font-size:20px;color:#5c6b7a;margin:0 0 24px}
.article-detail p{font-size:18px;color:#3c4651;margin:0 0 18px}
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-split img{border-radius:8px;border:1px solid var(--line);width:100%;height:390px;object-fit:cover}
.about-split h2{font-size:38px;line-height:1.25;margin:10px 0 18px}
.about-split p{font-size:18px;color:#3d4853}
.value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}.value-list span{border:1px solid var(--line);border-radius:999px;padding:13px 18px;text-align:center;font-weight:900}
.service-card{border:1px solid var(--line);background:#fff;border-radius:8px;padding:24px}.service-card small{color:var(--red);font-weight:900}.service-card h3{font-size:22px;margin:8px 0}.service-card p{color:var(--muted);margin:0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:stretch}
.contact-panel,.form-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:38px;height:100%}
.contact-panel h3,.form-panel h3{font-size:28px;margin:0 0 16px}.contact-line{padding:15px 0;border-bottom:1px solid #edf0f3}.contact-line b{display:block;color:#111}.contact-line span{color:#5e6873}
.required{color:var(--red);font-weight:900}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field.full{grid-column:1/-1}
label{display:block;font-weight:900;margin-bottom:7px}input,select,textarea{width:100%;border:1px solid #d7dde3;border-radius:6px;padding:13px 14px;font:inherit;background:#fff}textarea{min-height:132px;resize:vertical}
.footer{background:#050505;color:#fff;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px}.footer h3{margin:0 0 16px}.footer p,.footer a,.footer li{color:#cfd4da}.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.footer a:hover{color:#fff}.copyright{border-top:1px solid #303030;margin-top:34px;padding-top:20px;color:#9ca4ad;font-size:14px}
.floatbar{position:fixed;right:22px;top:50%;transform:translateY(-50%);display:grid;gap:10px;z-index:70}
.float-item{width:62px;height:62px;border:1px solid #d2d8de;border-radius:10px;background:#fff;color:var(--red);box-shadow:0 8px 22px rgba(0,0,0,.13);display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer}
.float-item svg{width:28px;height:28px;fill:currentColor}.float-tip{position:absolute;right:74px;top:50%;transform:translateY(-50%);background:#fff;border:1px solid #d6dde5;border-radius:8px;padding:12px 16px;box-shadow:0 12px 24px rgba(0,0,0,.16);white-space:nowrap;color:#111;font-weight:900;z-index:120;opacity:0;visibility:hidden;pointer-events:none;transition:.16s ease}
.float-item:hover .float-tip{opacity:1;visibility:visible}.float-tip.qrcode-tip{width:220px;height:220px;padding:16px;text-align:center;white-space:normal;background-color:#fff;background-position:center;background-size:188px auto;background-repeat:no-repeat}.float-tip.qrcode-tip img,.float-tip.qrcode-tip span{display:none}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#151515;color:#fff;border-radius:999px;padding:12px 22px;display:none;z-index:100}
@media(max-width:1060px){.header .wrap{display:flex}.nav{display:none}.header .btn,.header-search{display:none}.choice-grid,.article-grid,.grid.three{grid-template-columns:repeat(2,1fr)}.detail-layout,.contact-grid,.about-split{grid-template-columns:1fr}.side-menu{position:static;grid-template-columns:repeat(2,1fr)}.detail-hero{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:48px}}
@media(max-width:1560px){.wrap{width:calc(100% - 56px)}.header .wrap{grid-template-columns:minmax(330px,auto) minmax(450px,1fr) 190px 155px;gap:14px}.logo-mark{width:205px}.logo-mark span{font-size:38px}.logo-mark small{font-size:16px}.brand-text{font-size:14px;padding-left:14px}.brand-text strong{font-size:14px}.nav{gap:16px;font-size:16px}.header-search{max-width:190px;height:48px;padding:0 18px}.header .btn{height:48px;min-width:155px;font-size:17px;padding:0 18px}}
@media(max-width:1320px){.header .wrap{grid-template-columns:minmax(320px,auto) minmax(430px,1fr) 180px;gap:12px}.brand{gap:12px}.brand-text{display:block;font-size:13px;line-height:1.35;padding-left:12px}.brand-text strong{font-size:13px}.nav{gap:12px;font-size:15px}.logo-mark{width:180px}.logo-mark span{font-size:34px}.logo-mark small{font-size:14px}.header-search{max-width:180px;height:46px;padding:0 16px}.header .btn{display:none}}
@media(max-width:680px){.wrap{width:min(100% - 28px,1480px)}.topbar{height:auto;padding:8px 0}.topbar .wrap{display:block}.header .wrap{height:auto;padding:14px 0}.brand-text{display:none}.logo-mark{width:190px;height:54px}.logo-mark span{font-size:38px}.logo-mark small{font-size:16px}.hero{min-height:620px}.hero h1{font-size:38px}.hero p{font-size:18px}.hero-stats{grid-template-columns:1fr;margin-top:28px}.hero-stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.22)}.hero-stat:last-child{border-bottom:0}.choice-grid,.article-grid,.grid.two,.grid.three,.grid.four,.value-list,.form-grid,.side-menu{grid-template-columns:1fr}.floatbar{right:10px}.float-item{width:52px;height:52px}.float-tip.qrcode-tip{width:196px;height:196px;background-size:168px auto}.page-hero h1{font-size:36px}.page-hero p.one-line,.page-hero p.knowledge-line{white-space:normal;font-size:18px}.detail-body,.detail-hero,.article-detail{padding:24px}.footer-grid{grid-template-columns:1fr}}
body{zoom:.9}
@media(max-width:680px){body{zoom:1}}