:root{--blue:#075eaa;--navy:#102e51;--muted:#61768c;--line:#dce7ef;--pale:#eff7fc;--gold:#bc9350}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--navy);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;background:#fff}a{color:inherit;text-decoration:none}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px}.wrap{width:min(1180px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;top:-100px;left:20px;background:white;padding:10px;z-index:100}.skip:focus{top:10px}.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.nav-shell{width:min(1280px,calc(100% - 64px));margin:auto;display:flex;justify-content:space-between;align-items:center;min-height:94px;gap:20px}.brand{display:flex;align-items:center;gap:13px}.brand-symbol{background:var(--blue);color:white;width:47px;height:49px;display:grid;place-items:center;font-family:serif;font-size:33px;border-radius:7px}.brand strong{font-size:23px;line-height:1.2;letter-spacing:3px}.brand small{display:block;font-size:12px;letter-spacing:1.2px;color:var(--muted)}nav{display:flex;gap:33px;align-items:center}nav a{font-size:15px;position:relative;padding:30px 0}nav a[aria-current],nav a:hover{color:var(--blue)}nav a[aria-current]:after{content:"";position:absolute;bottom:20px;left:0;width:22px;height:2px;background:var(--blue)}.menu-toggle{display:none}.hero{background:linear-gradient(110deg,#f4faff 0%,#edf6fc 60%,#d6ebf7 100%);overflow:hidden}.hero-inner{display:grid;grid-template-columns:1.15fr 1fr;min-height:610px;align-items:center;gap:50px;padding-block:45px}.eyebrow{font-size:13px;letter-spacing:2px;color:var(--blue);font-weight:650;display:block}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(40px,4.6vw,66px);letter-spacing:1px;line-height:1.3;margin:24px 0}h1 span{color:var(--blue)}.hero-copy p{color:var(--muted);margin:0 0 30px;line-height:2}.actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:40px;background:var(--blue);color:#fff;padding:13px 24px;border-radius:3px;font-size:15px;transition:background .2s}.button:hover{background:var(--navy)}.text-link{color:var(--blue);font-size:15px}.hero-product{position:relative;max-width:455px;width:100%;justify-self:end}.art{height:390px;display:flex;justify-content:center;align-items:center;position:relative;overflow:hidden;background:#eaf5fc}.c-frame{width:194px;height:346px;overflow:hidden;position:relative;box-shadow:18px 24px 32px #0b457425}.c-frame img{position:absolute;max-width:none;width:696px;height:auto;left:-370px;top:-175px}.hero .art{height:425px;background:transparent}.hero .c-frame{transform:rotate(-7deg) scale(1.05);box-shadow:24px 28px 36px #0b45742b}.hero-caption{border-top:1px solid #b4d0e2;padding-top:15px;display:flex;justify-content:space-between;color:#496b88;font-size:13px}.hero-foot{display:flex;justify-content:space-between;border-top:1px solid #cddfec;font-size:13px;color:#55748c;padding-block:17px;letter-spacing:1px}.section{padding-block:88px}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section-head p{color:var(--muted);font-size:15px;margin:0 0 7px}h2{font-size:clamp(27px,3vw,38px);line-height:1.45;margin:12px 0 24px;font-weight:600}h3{font-size:23px;line-height:1.5;margin:10px 0}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.product-card{border:1px solid var(--line)}.product-copy{padding:26px 30px}.product-copy p{font-size:15px;color:var(--muted)}.product-copy .eyebrow{font-size:12px;letter-spacing:1px}.card-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:18px;font-size:14px}.card-bottom>span{color:var(--muted)}.card-bottom a{color:var(--blue)}.b-art{background:linear-gradient(130deg,#f6fafc,#ddeef8)}.b-frame{height:215px;width:134px;overflow:hidden;box-shadow:15px 20px 28px #0b457418}.b-frame img{width:134px;display:block;max-width:none}.art-note{position:absolute;bottom:10px;right:18px;font-size:12px;color:var(--muted)}.audiences{background:var(--navy);padding:70px 0;color:white}.audiences .eyebrow{color:#a8c9e3}.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.audience-grid article{border-top:1px solid #45607a;padding-top:18px}.number{color:#80afd3;font-size:15px}.audience-grid p{color:#c5d5e3;max-width:450px;font-size:16px}.audience-grid a{font-size:14px;color:#d3e9fa}.about-teaser{display:grid;grid-template-columns:1fr 1fr;gap:80px}.about-teaser h2{font-size:44px}.about-teaser p{color:var(--muted)}.about-teaser .lead{font-size:25px;line-height:1.7;color:var(--navy);margin-top:14px}.contact-band{background:var(--blue);padding:43px 48px;color:white;display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:70px}.contact-band .eyebrow{color:#bad7f1}.contact-band h2{font-size:30px;margin:8px 0}.contact-band p{margin:0;color:#d4e7f7}.white{background:white;color:var(--blue);white-space:nowrap}.white:hover{background:#e8f4fd}.footer{padding-bottom:25px}.footer-top{display:flex;justify-content:space-between;gap:25px;margin-bottom:30px}.footer strong{font-size:25px;letter-spacing:3px}.footer p{font-size:14px;color:var(--muted);margin:5px 0}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.page-head{background:var(--pale);padding:57px 0}.page-head h1{font-size:43px;margin:12px 0}.page-head p{color:var(--muted);max-width:680px;margin:0}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:30px}.detail{display:grid;grid-template-columns:1fr 1.15fr;gap:65px;padding-block:62px}.detail .art{height:510px}.detail h1{font-size:37px;margin-top:12px}.detail p{color:var(--muted)}dl{margin:30px 0}dl>div{display:grid;grid-template-columns:110px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:13px 0;font-size:15px}dt{color:var(--muted)}dd{margin:0}.small-note{font-size:13px;color:var(--muted)}.reading{max-width:820px;padding-block:66px}.reading p{color:var(--muted);line-height:2.1}.reading h2{font-size:28px;margin-top:36px}.facts{display:flex;gap:45px;padding-block:20px;border-bottom:1px solid var(--line);margin-bottom:35px}.facts strong{font-size:32px;color:var(--blue);display:block}.facts span{font-size:14px;color:var(--muted)}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-size:18px;color:var(--navy);padding-right:15px}details p{margin:16px 0 3px;font-size:16px}.contact-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;padding-block:80px}.contact-layout h2{margin-top:0}.wechat-slot{border:1px dashed #b7ccdd;background:var(--pale);min-height:295px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:25px}.wechat-slot span{font-size:42px;color:var(--blue);line-height:1.3}.wechat-slot h3{font-size:20px}.wechat-slot p{font-size:14px;color:var(--muted);margin:0}.contact-layout p{color:var(--muted)}@media(min-width:1500px){.hero-inner{min-height:680px}}@media(max-width:900px){nav{gap:19px}.wrap{width:calc(100% - 44px)}.nav-shell{width:calc(100% - 40px)}.hero-inner{gap:15px;min-height:540px}.hero .c-frame{transform:rotate(-5deg) scale(.92)}.section-head{display:block}.about-teaser,.detail{gap:35px}.product-copy{padding:22px}.product-copy h3{font-size:21px}.card-bottom{flex-wrap:wrap}.hero-foot{letter-spacing:0}.contact-band{padding:30px}.contact-layout{gap:30px}}@media(max-width:680px){.header .nav-shell{min-height:78px}.brand strong{font-size:20px}.brand-symbol{width:40px;height:44px;font-size:29px}.brand small{font-size:11px}.menu-toggle{display:block;border:1px solid var(--line);background:white;color:var(--navy);padding:6px 10px;font-size:14px;border-radius:3px}nav{display:none;position:absolute;top:78px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:12px 22px;box-shadow:0 12px 18px #153e5010}nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}nav a{padding:10px}nav a[aria-current]:after{display:none}.hero-inner{grid-template-columns:1fr;padding-top:42px;gap:12px}.hero-copy h1{font-size:45px}.hero-copy p{font-size:15px}.hero-product{justify-self:center;max-width:330px}.hero .art{height:340px}.hero .c-frame{transform:rotate(-6deg) scale(.84)}.hero-caption{font-size:12px}.hero-foot{flex-wrap:wrap;gap:4px 20px;font-size:12px}.hero-foot span:last-child{display:none}.section{padding-block:53px}.section-head p{font-size:14px}.product-grid,.audience-grid,.about-teaser,.detail,.contact-layout{grid-template-columns:1fr}.product-grid{gap:24px}.art{height:350px}.product-copy{padding:23px}.product-copy h3{font-size:23px}.audiences{padding:48px 0}.audience-grid{gap:33px}.about-teaser{gap:15px}.about-teaser h2{font-size:35px}.about-teaser .lead{font-size:23px}.contact-band{display:block;padding:27px;margin-bottom:45px}.contact-band h2{font-size:27px}.contact-band p{font-size:15px}.contact-band .button{margin-top:22px}.footer-top,.footer-bottom{display:block}.footer-top>div+div{margin-top:18px}.footer-bottom span{display:block;margin:5px 0}.page-head{padding:35px 0}.page-head h1{font-size:35px}.detail{padding-block:32px;gap:30px}.detail .art{height:375px}.detail h1{font-size:30px}.reading{padding-block:32px}.facts{gap:25px}.facts strong{font-size:26px}.contact-layout{padding-block:45px}.actions{gap:22px}.desktop{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Blue and gold brand direction */
:root{--blue:#164675;--navy:#0c2847;--muted:#627186;--line:#dce2e9;--pale:#f1f5f9;--gold:#c5a264}
.official-logo{position:relative;display:block;flex:0 0 59px;width:59px;height:54px;overflow:hidden;background:#fff;border-radius:4px}
.official-logo img{position:absolute;width:143px;max-width:none;left:-45px;top:-60px;height:auto}
.brand-symbol{background:var(--navy)}.brand strong{color:var(--navy)}.header{border-bottom:2px solid var(--gold)}
nav a[aria-current],nav a:hover{color:#84642e}nav a[aria-current]:after{background:var(--gold);width:100%}
.hero{background:radial-gradient(ellipse at 84% 28%,#214b72 0%,#133758 36%,#0a2442 75%);color:#fff;border-bottom:4px solid var(--gold)}
.hero h1{font-weight:600;line-height:1.4}.hero h1 span{color:#e3c68c}.hero .eyebrow{color:#e3c68c;letter-spacing:3px}.hero-copy p{color:#d0dce7}
.hero .button,.button{background:linear-gradient(110deg,#d8ba80,#bc9555);color:#102b47;font-weight:650;border:1px solid #d7b97c}
.button:hover{background:#edcf98;color:#102b47}.hero .text-link{color:#ead5ac}.hero .c-frame{transform:rotate(-5deg) scale(1.08);box-shadow:26px 35px 50px #0005}
.hero-product{border-left:1px solid #bb9c5955;padding-left:28px}.hero-caption{border-top-color:#b4996066;color:#e2cfa8}.hero-foot{border-top-color:#b89e6055;color:#c8d5e2}
.section-head{border-left:3px solid var(--gold);padding-left:22px}.eyebrow{color:#80612e}.product-card{border-top:3px solid var(--gold);box-shadow:0 12px 28px #0c284707}.product-card .art{background:linear-gradient(145deg,#edf3f8,#dce6ef)}
.card-bottom a,.text-link{color:#7c5d28}.audiences{background:#0c2847;border-top:1px solid #c5a264}.audiences .eyebrow,.number{color:#e0c48d}.audience-grid article{border-top-color:#ae905655}.audience-grid a{color:#ead5ac}
.about-teaser h2{border-bottom:2px solid var(--gold);padding-bottom:22px;display:inline-block}.about-teaser>div:first-child>.text-link{display:block}
.contact-band{background:linear-gradient(105deg,#102f50,#1b456a);border-top:3px solid var(--gold)}.contact-band .eyebrow{color:#e0c48d}.contact-band .white{background:#d5b579;color:#102b47}.contact-band .white:hover{background:#ecd09b}
.page-head{background:linear-gradient(115deg,#0b2746,#1d466b);color:white;border-bottom:3px solid var(--gold)}.page-head .eyebrow{color:#dfc58f}.page-head p{color:#cbd9e5}
.facts strong{color:#876731}.reading h2{border-left:3px solid var(--gold);padding-left:15px}.wechat-slot{border-color:#b69861;background:#f4f6f9}.wechat-slot span{color:#876731}
.footer-top{border-top:1px solid var(--gold);padding-top:32px}.footer strong{color:var(--navy)}
@media(max-width:680px){.official-logo{flex-basis:50px;width:50px;height:46px}.official-logo img{width:122px;left:-38px;top:-51px}.hero-product{border-left:0;padding-left:0}.hero .c-frame{transform:rotate(-5deg) scale(.84)}.hero h1{font-size:43px}.section-head{padding-left:16px}.brand{gap:10px}.brand strong{letter-spacing:2px}}