:root{--jyh-red:#B31316;--jyh-red-hover:#8F0F12;--jyh-ink:#1E1E1E;--jyh-text:#5F6670;--jyh-bg-soft:#F7F7F5;--jyh-border:#E6E4E1;--jyh-white:#FFFFFF;--red:var(--jyh-red);--red-dark:var(--jyh-red-hover);--ink:var(--jyh-ink);--muted:var(--jyh-text);--line:var(--jyh-border);--soft:var(--jyh-bg-soft);--radius:10px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #d77821;outline-offset:4px}img{display:block;max-width:100%}figure{margin:0}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{line-height:1.4}h2{font-size:25px}h3{font-size:17px}.wrap{width:min(1480px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-100px;left:12px;z-index:99;background:white;padding:12px}.skip:focus{top:0}.site-header{background:#fff;border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;gap:30px;min-height:86px}.brand{display:flex;gap:12px;align-items:center;flex-shrink:0}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:7px;background:var(--red);color:white;font-size:26px;font-weight:800}.brand b{display:block;font-size:23px;letter-spacing:1px}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:2px}.nav nav{display:flex;gap:26px;margin-left:auto}.nav nav a{font-size:14px;white-space:nowrap}.nav nav a[aria-current]{color:var(--red)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:13px 25px;border:1px solid var(--red);background:var(--red);color:white;font-weight:700;border-radius:5px;cursor:pointer;white-space:nowrap}.btn:hover{background:var(--red-dark);color:white}.btn.small{padding:10px 17px;font-size:13px}.menu-toggle{display:none}.hero{background:var(--soft);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}.hero-copy{padding:51px 38px 40px 0}.eyebrow{font-size:12px;color:var(--red);font-weight:700;letter-spacing:1px;margin:0 0 17px}.hero h1{font-size:clamp(35px,3.3vw,53px);line-height:1.35;letter-spacing:1px;margin:0 0 20px;font-weight:800}.hero h1 em{font-style:normal;color:var(--red)}.hero-sub{font-size:16px;line-height:1.9;color:#606164;margin:0 0 24px}.hero-actions{display:flex;align-items:center;gap:23px}.text-link{font-size:14px;font-weight:700}.hero-note{font-size:12px;color:var(--muted);margin:25px 0 0}.hero-photo{position:relative;min-width:0;min-height:390px;overflow:hidden}.hero-photo img{position:absolute;width:100%;height:100%;object-fit:cover}.hero-photo figcaption{position:absolute;bottom:15px;right:15px;font-size:11px;background:rgba(255,255,255,.9);padding:5px 10px;color:#5a5b5e;border-radius:3px}.advantages{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding-block:24px;border-bottom:1px solid var(--line)}.advantages>div{display:flex;gap:15px;align-items:center;padding-inline:24px;border-right:1px solid var(--line)}.advantages>div:first-child{padding-left:0}.advantages>div:last-child{border:0}.advantages>div>span{font-size:22px;font-weight:700;color:#c2aaa4}.advantages h2{font-size:16px;margin:0 0 4px}.advantages p{font-size:12px;margin:0;color:var(--muted)}.section{padding:35px 0}.soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.section-head h2{margin:0 0 5px}.section-head p{font-size:13px;color:var(--muted);margin:0}.section-head>a{font-size:13px;color:var(--red);white-space:nowrap}.product-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:15px}.content-card{border:1px solid var(--line);background:white;border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s,transform .2s;min-width:0}.content-card:hover{box-shadow:0 8px 25px #2425280d;transform:translateY(-2px)}.content-card figure{position:relative;background:var(--soft)}.content-card figure img{width:100%;height:142px;object-fit:cover}.content-card figcaption{position:absolute;right:5px;bottom:5px;padding:1px 6px;background:#ffffffd9;color:#616166;font-size:10px;border-radius:3px}.card-copy{padding:16px}.card-type{display:block;color:var(--muted);font-size:11px;letter-spacing:1px}.content-card h3{margin:5px 0 9px}.content-card p{font-size:12px;color:var(--muted);margin:0 0 12px}.card-link{display:block;color:var(--red);font-size:12px;font-weight:600;margin-top:12px}.case-empty{padding:24px 28px;border:1px solid var(--line);background:white;display:flex;justify-content:space-between;align-items:center;gap:30px;border-radius:var(--radius)}.case-empty h3{margin:6px 0}.case-empty p{color:var(--muted);font-size:13px;margin:4px 0;max-width:820px}.case-empty>a{flex-shrink:0}.qa-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.qa-card{display:flex;gap:12px;padding:20px;border:1px solid var(--line);border-radius:var(--radius)}.question-mark{display:grid;place-items:center;align-self:start;background:#faecec;color:var(--red);width:28px;height:28px;flex-shrink:0;border-radius:5px;font-weight:800;font-size:14px}.qa-card h3{font-size:15px;margin:2px 0 10px}.qa-card p{font-size:12px;color:var(--muted);margin:0;line-height:1.8}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.guide-card{display:flex;gap:17px;padding:19px 0}.guide-number{font-size:31px;color:#c8bab2;font-weight:700;line-height:1.2}.guide-card h3{font-size:17px;margin:5px 0 9px}.guide-card p{color:var(--muted);font-size:12px;margin:0}.city-intro{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:18px 0}.city-intro p{max-width:700px;font-size:14px;color:var(--muted);margin:0}.city-links{display:flex;flex-wrap:wrap;gap:10px}.city-links a{padding:8px 18px;background:var(--soft);font-size:13px;border-radius:4px}.consult{background:#f5edeb;padding:36px 0}.consult-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.consult .eyebrow{margin:0 0 6px}.consult h2{margin:0 0 8px;font-size:26px}.consult p:last-child{color:var(--muted);font-size:13px;margin:0}footer{background:#26272b;color:#d4d4d7;padding:38px 0 16px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}.footer-brand{font-size:23px;font-weight:700;color:white}.footer-grid p{font-size:12px;color:#abacb1;margin:9px 0}.footer-grid b{display:block;color:white;font-size:13px;margin-bottom:12px}.footer-grid>div>a:not(.footer-brand){display:block;font-size:12px;margin:7px 0}.copyright{border-top:1px solid #424348;margin-top:25px;padding-top:16px;font-size:11px;color:#a7a8ad;display:flex;justify-content:space-between;gap:15px}.breadcrumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding-top:20px;font-size:12px;color:var(--muted)}.page{padding:35px 0 0;min-height:65vh}.page>.wrap{padding-bottom:48px}.page-heading{margin-bottom:30px;max-width:900px}.page h1{font-size:39px;margin:0 0 20px;line-height:1.4}.lede{font-size:17px;color:var(--muted);line-height:1.9}.list-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.list-grid .content-card{display:block;padding:5px}.list-grid .content-card h3{font-size:18px}.list-grid .content-card p{font-size:14px}.article-wrap{max-width:1040px}.answer-lead{font-size:19px;line-height:1.95;color:#4b4d52;padding:23px 26px;border-left:3px solid var(--red);background:var(--soft);margin:24px 0 16px}.updated{font-size:12px;color:var(--muted)}.detail-figure{margin:26px 0}.detail-figure img{max-height:430px;object-fit:cover;width:100%;border-radius:8px}.detail-figure figcaption{font-size:12px;color:var(--muted);padding-top:8px}.prose{max-width:900px}.prose h2{margin:30px 0 12px;font-size:23px}.prose p{font-size:16px;line-height:2;color:#53555b}.parameters{border:1px solid var(--line);border-radius:6px}.parameters>div{display:grid;grid-template-columns:120px 1fr;border-bottom:1px solid var(--line)}.parameters>div:last-child{border-bottom:0}.parameters dt{padding:14px;background:var(--soft);font-weight:700}.parameters dd{padding:14px;margin:0;color:#5b5c61}.article-cta{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#f7eeeb;padding:25px;border-radius:8px;margin-top:35px}.article-cta h2{font-size:20px;margin:0 0 8px}.article-cta p{font-size:13px;color:var(--muted);margin:0}.related{margin-top:36px;border-top:1px solid var(--line);padding-top:15px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.related h3{font-size:15px}.related a{display:block;color:#65666b;font-size:13px;margin-bottom:11px}.related a:hover{color:var(--red)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;max-width:1150px}.contact-grid h1{font-size:45px}.contact-notes{margin-top:35px}.contact-notes h2{font-size:19px}.contact-notes li{margin:12px 0;color:var(--muted);font-size:14px}.contact-notes ol{padding-left:21px}.contact-notes p{font-size:13px;color:var(--muted)}.lead-form{padding:30px;background:var(--soft);border:1px solid var(--line);border-radius:10px;display:grid;gap:15px}.lead-form h2{font-size:22px;margin:0 0 5px}.lead-form label{font-size:13px;display:block}.lead-form label>span{color:var(--muted);font-size:11px}.lead-form input,.lead-form textarea,.lead-form select{display:block;width:100%;padding:11px 12px;border:1px solid #d4d2ce;background:white;border-radius:4px;margin-top:6px;min-width:0;font-size:14px}.lead-form textarea{min-height:115px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.lead-form .consent{display:flex;gap:9px;align-items:flex-start}.lead-form .consent input{width:16px;height:16px;flex-shrink:0;margin-top:3px}.lead-form .consent span{font-size:12px}.lead-form small{font-size:11px;color:var(--muted)}#leadMsg{font-size:13px;margin:0;color:var(--red)}
@media(min-width:1700px){.hero-copy{padding-block:60px}.hero-photo{min-height:430px}.content-card figure img{height:155px}}
@media(max-width:1200px){.nav{gap:20px}.nav nav{gap:17px}.nav nav a{font-size:12px}.brand b{font-size:20px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.content-card figure img{height:170px}.advantages>div{padding-inline:14px;gap:10px}.advantages h2{font-size:14px}.advantages p{font-size:11px}.hero-copy{padding-right:25px}.hero h1{font-size:37px}.hero-sub{font-size:14px}.hero-actions{gap:15px}.hero-actions .btn{padding:12px 18px}.hero-note{font-size:10px}}
@media(max-width:900px){.wrap{width:calc(100% - 40px)}.nav{min-height:76px;flex-wrap:wrap;gap:15px}.brand{margin-right:auto}.menu-toggle{display:block;border:1px solid var(--line);background:white;border-radius:4px;padding:8px 12px;font-size:12px}.nav nav{display:none;width:100%;order:4;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:6px 0 15px;gap:12px}.nav nav.open{display:grid}.nav nav a{padding:8px 0;font-size:14px}.hero h1{font-size:32px}.hero-copy{padding:32px 25px 32px 0}.hero-grid{grid-template-columns:1.05fr .95fr}.hero-photo{min-height:350px}.hero-actions{flex-wrap:wrap;gap:12px}.hero-sub{font-size:13px}.hero-note{font-size:11px}.advantages{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.advantages>div:nth-child(2){border:0}.advantages>div:nth-child(3){padding-left:0}.qa-grid,.list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-grid{gap:17px}.guide-card{gap:10px}.guide-number{font-size:23px}.guide-card h3{font-size:15px}.footer-grid{gap:20px}.contact-grid{gap:35px}.lead-form{padding:22px}.city-intro{display:block}.city-intro>a{display:block;margin-top:12px}.section-head h2{font-size:23px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.wrap{width:calc(100% - 32px)}.nav{gap:10px;min-height:73px}.brand b{font-size:18px}.brand small{font-size:9px;letter-spacing:1px}.brand-mark{width:35px;height:35px;font-size:23px}.brand{gap:9px}.nav>.btn{font-size:11px;padding:8px 10px}.menu-toggle{padding:8px;font-size:11px}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:31px 0 28px}.hero .eyebrow{font-size:10px;margin-bottom:15px}.hero h1{font-size:35px;line-height:1.4}.hero-sub{font-size:14px}.hero-photo{min-height:220px;margin-inline:-16px}.hero-photo img{object-position:center}.hero-actions{gap:20px}.hero-actions .btn{font-size:13px}.text-link{font-size:12px}.hero-note{margin-top:20px;font-size:10px}.advantages{gap:20px 10px;padding-block:22px}.advantages>div{padding:0 7px 0 0;gap:9px}.advantages>div>span{font-size:18px}.advantages h2{font-size:13px}.advantages p{font-size:10px}.section{padding:28px 0}.section-head{gap:15px;align-items:start;margin-bottom:16px}.section-head h2{font-size:22px}.section-head p{font-size:11px;max-width:260px}.section-head>a{font-size:11px;padding-top:7px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.content-card figure img{height:116px}.card-copy{padding:12px}.content-card h3{font-size:15px}.content-card p{font-size:11px}.card-type{font-size:10px}.qa-grid,.guide-grid,.list-grid{grid-template-columns:1fr}.qa-card{padding:18px}.qa-card p{font-size:13px}.case-empty{display:block;padding:20px}.case-empty>a{display:inline-flex;margin-top:15px}.case-empty p{font-size:12px}.guide-grid{gap:0}.guide-card{padding:18px 0;border-bottom:1px solid var(--line);gap:18px}.guide-card:last-child{border:0}.guide-number{font-size:29px}.guide-card h3{font-size:17px}.guide-card p{font-size:12px}.consult-inner{display:block}.consult h2{font-size:23px}.consult .btn{margin-top:21px;font-size:13px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block;font-size:10px}.copyright span{display:block;margin-top:5px}.page{padding-top:25px}.page h1,.contact-grid h1{font-size:31px}.page-heading{margin-bottom:25px}.lede{font-size:15px}.answer-lead{font-size:16px;padding:18px}.prose h2{font-size:20px}.prose p{font-size:15px}.parameters>div{grid-template-columns:85px 1fr;font-size:13px}.parameters dt,.parameters dd{padding:11px}.article-cta{display:block;padding:20px}.article-cta .btn{margin-top:15px}.related-grid{grid-template-columns:1fr}.related-grid h3{margin-top:5px}.contact-grid{grid-template-columns:1fr;gap:22px}.contact-notes{margin-top:20px}.lead-form{padding:20px}.form-row{gap:10px}.breadcrumbs{font-size:10px;gap:7px}.detail-figure img{max-height:270px}.detail-figure figcaption{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.content-card{transition:none}}
.search-form{max-width:700px;margin:25px 0}.search-form label{display:block;font-size:14px;margin-bottom:8px}.search-form>div{display:flex;gap:10px}.search-form input{flex:1;min-width:0;padding:12px;border:1px solid var(--line);border-radius:5px}.category-nav{display:flex;gap:8px;flex-wrap:wrap;margin:-10px 0 24px}.category-nav a{padding:7px 13px;background:var(--soft);border-radius:4px;font-size:12px}.category-nav a:hover{background:#f3dfe0;color:var(--red)}.contact-details{margin-top:28px;padding:20px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.contact-details h2{font-size:19px;margin:0 0 12px}.contact-details p{font-size:13px;color:var(--muted);margin:8px 0}.contact-details p b{color:var(--ink)}.qr-row{display:flex;gap:16px;margin-top:16px}.qr-row figure{width:100px}.qr-row img{width:100px;height:100px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:4px}.qr-row figcaption{font-size:11px;text-align:center;color:var(--muted);margin-top:4px}.footer-grid{padding-bottom:4px}.footer-grid>div{min-width:0}.footer-grid>div>a:not(.footer-brand){line-height:1.45}
.contact-info{min-width:0}.contact-card{margin-top:22px;padding:22px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.contact-row{display:flex;gap:18px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.contact-row:last-of-type{border-bottom:0}.contact-row b{width:84px;flex:0 0 84px}.contact-row a{color:var(--red);font-weight:700}.copy-wechat{margin:10px 0 4px;padding:8px 12px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--red);cursor:pointer}.about-bridge{width:min(1150px,calc(100% - 64px));margin:20px auto 44px;padding:22px 28px;background:var(--soft);border:1px solid var(--line);border-radius:8px;display:flex;justify-content:space-between;align-items:center;gap:24px}.about-bridge h2{margin:0 0 6px;font-size:21px}.about-bridge p{margin:0;color:var(--muted);font-size:13px}.city-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.city-card{padding:16px;background:#fff;border:1px solid var(--line);border-radius:8px;display:flex;flex-direction:column;gap:5px}.city-card strong{font-size:18px}.city-card span{font-size:12px;color:var(--muted)}.city-card b{font-size:12px;color:var(--red);margin-top:5px}.other-cities{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:15px;font-size:12px;color:var(--muted)}.other-cities a{color:var(--ink)}.region-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:25px 0}.region-grid section{padding:17px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.region-grid h2{font-size:17px;margin:0 0 10px}.region-grid a{display:inline-block;margin:0 18px 6px 0;color:var(--red);font-size:13px}
.contact-grid{grid-template-columns:.42fr .58fr;align-items:start}.contact-details{margin-top:20px}.contact-details h2{margin-top:0}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}.about-bridge{width:calc(100% - 32px);margin-bottom:30px}.city-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.region-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.city-cards,.region-grid{grid-template-columns:1fr}.about-bridge{display:block;padding:18px}.about-bridge .btn{margin-top:15px}.contact-row{font-size:13px}.contact-card{padding:16px}}
/* Unified company contact and compact conversion layout */
.contact-grid{max-width:1200px;gap:38px;grid-template-columns:minmax(0,42fr) minmax(0,58fr)}.contact-grid h1{font-size:38px;margin-bottom:12px}.contact-info>.eyebrow{margin-bottom:10px}.contact-info>.lede{font-size:15px;margin:0;max-width:450px}.contact-card{margin-top:22px;padding:20px;background:#fff;border-top:3px solid var(--red)}.contact-company{padding-bottom:17px}.contact-company>span{color:var(--muted);font-size:12px}.contact-company h2{font-size:18px;margin:5px 0 0}.contact-module{display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:10px;align-items:center;padding:19px 0;border-top:1px solid var(--line)}.contact-icon{display:grid;place-items:center;width:34px;height:38px;background:#faeeee;color:var(--red);border-radius:6px;font-size:20px}.contact-label{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}.contact-number{display:block;font-size:22px;letter-spacing:.2px;line-height:1.5;font-weight:700;font-variant-numeric:tabular-nums}.contact-action{padding:10px 9px;min-height:44px;font-size:12px;border:1px solid #ead2d4;background:#fff;color:var(--red);border-radius:4px;white-space:nowrap;cursor:pointer;margin:0}.contact-action:hover{background:#faeeee}.lead-form{padding:25px;gap:12px}.lead-form .form-intro{font-size:13px;color:var(--muted);margin:-5px 0 3px}.lead-form input,.lead-form select{padding:9px 11px}.lead-form textarea{min-height:95px}.contact-grid.wrap{padding-bottom:28px}.about-bridge{max-width:1200px;margin-top:0;padding:19px 24px;margin-bottom:32px}.about-bridge h2{font-size:18px}.about-bridge .btn{background:white;color:var(--red);font-size:13px;padding:10px 18px}.qr-row figure{width:auto;display:flex;gap:16px;align-items:center}.qr-row img{width:150px;height:150px}.qr-row figcaption{text-align:left;font-size:12px}.qr-row figcaption b,.qr-row figcaption span{display:block}.qr-row{flex-wrap:wrap}.footer-grid{grid-template-columns:1.6fr .8fr .9fr 1.1fr;gap:34px}.footer-grid.has-qr{grid-template-columns:1.5fr .7fr .8fr 1fr .8fr}.footer-grid strong{display:block;font-size:13px;font-weight:400;margin-top:8px}.footer-grid b{font-size:14px;margin-bottom:12px}.footer-grid>div>a:not(.footer-brand),.footer-contact>span{display:block;font-size:13px;margin:7px 0}.footer-contact>a:first-of-type{font-size:17px!important;color:#fff}.footer-qr img{width:140px;height:140px;object-fit:contain}.footer-cities{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;padding-top:20px;margin-top:20px;border-top:1px solid #424348;font-size:12px}.footer-cities b{font-size:13px;color:#fff}.copyright{margin-top:18px;padding-top:13px}.footer-grid p{font-size:13px}#leadSuccess{font-size:13px;border-top:1px solid var(--line);padding-top:10px}#leadSuccess a,#leadSuccess span{display:block}#leadSuccess[hidden]{display:none}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1100px){.contact-grid{gap:24px}.contact-module{grid-template-columns:32px minmax(0,1fr);gap:9px}.contact-action{grid-column:2;justify-self:start;min-width:110px}.footer-grid.has-qr{grid-template-columns:1.4fr 1fr 1fr 1fr}.footer-qr{grid-column:4}.contact-number{font-size:23px}}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;max-width:700px;gap:26px}.contact-module{grid-template-columns:36px minmax(0,1fr) auto}.contact-action{grid-column:auto}.contact-info>.lede{max-width:none}.footer-grid,.footer-grid.has-qr{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 36px}.footer-qr{grid-column:auto}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.contact-grid h1{font-size:31px}.contact-card{padding:16px}.contact-company h2{font-size:17px}.contact-module{grid-template-columns:28px minmax(0,1fr);gap:10px;padding:15px 0}.contact-icon{width:28px;height:34px;font-size:17px}.contact-action{grid-column:2;min-width:125px;justify-self:start;padding:10px 14px}.contact-number{font-size:24px}.lead-form{padding:18px}.contact-grid.wrap{padding-bottom:23px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid{gap:22px}.footer-contact{grid-column:1/-1}.footer-cities{gap:10px 19px}.footer-contact>a:first-of-type{font-size:19px!important}.qr-row img{width:140px;height:140px}.qr-row figure{gap:12px}.about-bridge{padding:17px}.about-bridge h2{font-size:17px}.related-grid{grid-template-columns:1fr}}

.brand-logo img{width:240px;height:72px;object-fit:contain}.brand-wordmark{font-size:24px;font-weight:750;letter-spacing:1px}.footer-brand .brand-logo{display:block;background:var(--jyh-white);padding:8px;border-radius:4px;width:240px}.footer-brand .brand-logo img{width:224px;height:64px}.eyebrow,.hero-note,.brand small{font-size:14px}.hero h1{font-size:clamp(40px,3.3vw,56px)}.content-card p,.qa-card p,.guide-card p{font-size:15px}.card-type,.card-link,.section-head p,.footer-grid p,.footer-grid>div>a:not(.footer-brand),.copyright{font-size:13px}.hero-sub{color:var(--jyh-text)}@media(max-width:480px){.brand-logo img{width:48px;height:48px}.footer-brand .brand-logo img{width:48px;height:48px}.footer-brand .brand-logo{width:64px}.brand-wordmark{font-size:22px}}

.vi-scene{display:grid;place-items:center;padding:48px;background:linear-gradient(125deg,#eeece7,#fff 60%,#e6e4e1)}.vi-scene-panel{width:100%;padding:48px 32px;background:#ffffffdf;border:1px solid var(--jyh-border);box-shadow:20px 24px 0 #1e1e1e08}.vi-scene-panel .brand-logo img{position:static;width:100%;height:80px;object-fit:contain}.vi-scene-panel .brand-wordmark{font-size:34px}.vi-scene-panel p{font-size:17px;color:var(--jyh-text)}.vi-scene-rule{height:3px;width:48px;background:var(--jyh-red);margin:30px 0}.vi-scene-panel>span{font-size:14px;color:var(--jyh-text)}@media(max-width:768px){.vi-scene{min-height:300px;padding:28px}.vi-scene-panel{padding:28px}.vi-scene-panel .brand-wordmark{font-size:28px}}
@media(max-width:480px){.hero h1{text-wrap:balance}}

/* Mobile usability: preserve brand assets while making content and controls reachable. */
main :is(h1,h2,h3,p,dd,a),.breadcrumbs{overflow-wrap:anywhere}
main :is(.content-card,.card-copy,.contact-row>span,.contact-row>a,.product-checklist){min-width:0}
main .product-media.is-photo img{object-fit:contain;background:#fff}
main .detail-figure img{object-fit:contain;height:auto;max-width:100%}
.view-image{display:block;min-height:44px;min-width:44px;padding:10px 14px;border:1px solid var(--line);border-radius:5px;background:white;color:var(--red);font:inherit;cursor:pointer;margin:8px 0}
figure.product-media-detail:has(.view-image){overflow:visible;margin-bottom:62px}
.product-media-detail>.view-image{position:absolute;top:100%;left:0}
.image-viewer{width:min(1000px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:0 16px 16px;border:1px solid var(--line);border-radius:8px;overflow:auto;overscroll-behavior:contain}
.image-viewer::backdrop{background:#000b}
.image-viewer-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;position:sticky;top:0;background:#fff;padding:10px 0;z-index:1}
.image-viewer-bar>span{overflow-wrap:anywhere;min-width:0}
.image-viewer-close{flex:none;min-width:64px;min-height:44px;background:#fff;border:1px solid var(--line);border-radius:4px;font:inherit}
.image-viewer>img{width:100%;height:auto;max-height:none;object-fit:contain}
.image-viewer>a{display:inline-flex;align-items:center;min-height:44px;color:var(--red)}
@media(max-width:900px){
 .site-header .menu-toggle,.site-header .btn.small{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
 .site-header #primary-nav a{min-height:44px;display:flex;align-items:center}
 main :is(input,textarea,select){font-size:16px!important;min-height:44px}
 main input[type=checkbox]{min-height:20px;width:20px;height:20px;flex:none}
 main .consent{min-height:44px;align-items:center}
 main :is(.text-link,.section-head>a,.product-jump a,.category-nav a,.region-grid a){min-height:44px;display:inline-flex;align-items:center}
 main :is(.btn,button,summary){min-height:44px}
 .breadcrumbs a{min-height:44px;display:inline-flex;align-items:center}
 .breadcrumbs{flex-wrap:wrap}
 main table{display:block;max-width:100%;overflow-x:auto}
 .contact-action.copy-wechat{white-space:normal;overflow-wrap:anywhere;max-width:100%}
 .image-viewer{padding-bottom:calc(16px + env(safe-area-inset-bottom))}
}