:root{
  --bg:#070D1A;            /* 更深沉的底 */
  --bg-2:#0A1426;
  --panel:#0E1729;
  --panel-hi:#13203A;
  --gold:#B8985C;          /* 哑光香槟金，收敛 */
  --gold-hi:#D4B878;
  --gold-dim:rgba(184,152,92,.22);
  --line:rgba(255,255,255,.07);   /* 中性细线，去掉处处金边 */
  --line-2:rgba(255,255,255,.04);
  --text:#EDF1F7;
  --text-2:rgba(237,241,247,.58);
  --text-3:rgba(237,241,247,.34);
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(7,13,26,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1340px;margin:0 auto;padding:0 32px;height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:13px;flex-shrink:0}
.logo img{height:44px;width:44px}
.logo-name{font-size:15px;font-weight:500;letter-spacing:.5px;white-space:nowrap;line-height:1.3}
.logo-name small{display:block;font-size:9px;font-weight:300;color:var(--text-3);letter-spacing:2px}
.nav-links{display:flex;align-items:center;list-style:none}
.nav-links a{display:block;font-size:14px;color:var(--text-2);letter-spacing:.5px;padding:28px 16px;transition:color .25s;white-space:nowrap;position:relative}
.nav-links a::after{content:'';position:absolute;left:16px;right:16px;bottom:24px;height:1px;background:var(--gold);transform:scaleX(0);transition:transform .3s;transform-origin:left}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-cta{border:1px solid var(--gold);color:var(--gold-hi);padding:10px 22px;border-radius:2px;font-weight:500;font-size:13.5px;letter-spacing:1px;transition:all .25s;white-space:nowrap}
.nav-cta:hover{background:var(--gold);color:#070D1A}
.lang-sw{display:flex;gap:2px}
.lang-sw button{background:transparent;border:none;color:var(--text-3);font-family:var(--sans);font-size:12px;padding:6px 9px;cursor:pointer;transition:all .2s;letter-spacing:.5px}
.lang-sw button.on{color:var(--gold-hi)}
.lang-sw button:hover:not(.on){color:var(--text-2)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:3px;width:44px;height:44px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:18px;height:1.5px;background:var(--gold);transition:all .3s}
.burger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.m-menu{display:none;position:fixed;top:76px;left:0;right:0;bottom:0;background:rgba(7,13,26,.99);backdrop-filter:blur(14px);z-index:99;padding:32px 28px;overflow-y:auto}
.m-menu.show{display:block}
.m-menu a{display:flex;align-items:center;justify-content:space-between;padding:18px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line)}
.m-menu a span.ar{color:var(--gold-dim);font-size:13px}
.m-menu .m-cta{margin-top:28px;border:1px solid var(--gold);color:var(--gold-hi);border-radius:2px;justify-content:center;font-weight:500;padding:16px;letter-spacing:2px}
.m-lang{display:flex;gap:10px;margin-top:24px}
.m-lang button{flex:1;background:transparent;border:1px solid var(--line);border-radius:2px;color:var(--text-3);padding:13px;font-size:13px;font-family:var(--sans);cursor:pointer;letter-spacing:1px}
.m-lang button.on{color:var(--gold-hi);border-color:var(--gold-dim)}

/* ===== Hero ===== */
.hero{position:relative;padding:150px 0 138px;overflow:hidden;background:var(--bg)}
.hero-bg{position:absolute;inset:0;background-image:url('../../images/sino-russia-hero.png');background-position:center;background-size:cover;background-repeat:no-repeat}
.hero-fade{position:absolute;inset:0;background:linear-gradient(100deg,var(--bg) 18%,rgba(7,13,26,.78) 52%,rgba(7,13,26,.5) 100%)}
.hero-fade2{position:absolute;inset:0;background:linear-gradient(to top,var(--bg) 2%,transparent 28%)}
.hero-inner{position:relative;z-index:2;max-width:780px}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:500;color:var(--gold-hi);letter-spacing:3px;margin-bottom:34px;text-transform:uppercase}
.eyebrow::before{content:'';width:38px;height:2px;background:var(--gold)}
.hero h1{font-family:var(--serif);font-size:clamp(32px,5vw,54px);font-weight:600;line-height:1.35;letter-spacing:1px;margin-bottom:30px}
.hero h1 em{font-style:normal;color:var(--gold-hi)}
.hero-sub{font-size:16px;color:var(--text-2);font-weight:300;max-width:600px;margin-bottom:52px;line-height:1.95}
.btn-row{display:flex;gap:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:11px;padding:16px 38px;border-radius:2px;font-size:15px;letter-spacing:1.5px;transition:all .3s}
.btn-gold{background:var(--gold);color:#070D1A;font-weight:500}
.btn-gold:hover{background:var(--gold-hi)}
.btn-line{border:1px solid rgba(255,255,255,.2);color:var(--text);font-weight:300}
.btn-line:hover{border-color:var(--gold);color:var(--gold-hi)}
.hero-meta{display:flex;gap:14px;align-items:center;margin-top:64px;font-size:12px;color:var(--gold-hi);letter-spacing:1.5px;flex-wrap:wrap}
.hero-meta i{font-style:normal;color:var(--gold)}

/* ===== 通用 ===== */
section{padding:130px 0}
.sec-head{margin-bottom:72px;max-width:760px}
.sec-head .eyebrow{margin-bottom:22px}
.sec-head h2{font-family:var(--serif);font-size:clamp(26px,3.4vw,38px);font-weight:600;line-height:1.5;margin-bottom:20px;letter-spacing:.5px}
.sec-head p{font-size:15px;color:var(--text-2);font-weight:300;line-height:1.9}

/* ===== 主营业务 ===== */
.services{background:var(--bg-2);border-top:1px solid var(--line)}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc{background:linear-gradient(160deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:all .35s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;cursor:pointer;position:relative}
.svc::before{content:'';position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--gold),transparent);transform:scaleX(0);transform-origin:left;transition:transform .4s;z-index:3}
.svc:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.svc:hover{border-color:var(--gold-dim);transform:translateY(-6px);box-shadow:0 18px 50px -12px rgba(0,0,0,.5)}
.svc:hover::before{transform:scaleX(1)}
.svc-photo{height:150px;position:relative;background:#0A1322;background-size:cover;background-position:center;overflow:hidden;border-bottom:1px solid var(--line)}
.svc-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(10,20,38,.7),transparent 60%);z-index:1}
.svc-photo .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:1;background:radial-gradient(circle at 50% 42%,rgba(184,152,92,.07),transparent 68%)}
.svc-photo .ph .svc-ico{width:50px;height:50px;stroke:var(--gold);fill:none;stroke-width:1.25;opacity:.9;transition:transform .4s}
.svc:hover .svc-photo .ph .svc-ico{transform:scale(1.08)}
.svc-photo.loaded .ph{display:none}
.svc-photo .num{display:none}
.svc-body{padding:24px 24px 26px;flex:1;display:flex;flex-direction:column}
.svc-cat{font-size:10.5px;color:var(--gold);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;font-weight:500}
.svc h3{font-size:16.5px;font-weight:700;margin-bottom:11px;letter-spacing:.5px}
.svc p{font-size:12.5px;color:var(--text-2);font-weight:300;line-height:1.9;flex:1}
.svc-more{margin-top:18px;display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--gold);letter-spacing:1.5px;text-transform:uppercase}
.svc-more svg{width:13px;height:13px;stroke:var(--gold);fill:none;stroke-width:1.5;transition:transform .3s}
.svc:hover .svc-more svg{transform:translateX(5px)}
.svc-intro{margin-top:48px;display:flex;gap:22px;align-items:flex-start;max-width:920px}
.svc-intro-bar{width:3px;align-self:stretch;background:linear-gradient(var(--gold),transparent);flex-shrink:0;border-radius:2px}
.svc-intro p{font-size:14.5px;color:var(--text-2);font-weight:300;line-height:2.1;letter-spacing:.3px}

/* ===== 核心优势 ===== */
.adv-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}
.adv-photo{position:relative;aspect-ratio:4/3;background:#0A1322 center/cover no-repeat;overflow:hidden;border-radius:12px}
.adv-photo .ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--text-3);font-size:12px;letter-spacing:1px}
.adv-photo .ph svg{width:32px;height:32px;stroke:rgba(184,152,92,.3);fill:none;stroke-width:1.1}
.adv-photo .ph small{font-size:9px;color:rgba(237,241,247,.18);font-family:monospace}
.adv-photo.loaded .ph{display:none}
.adv-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(to right,transparent 62%,rgba(7,13,26,.45) 100%),linear-gradient(to top,rgba(7,13,26,.5),transparent 50%);pointer-events:none}
.adv-photo::before{content:'';position:absolute;left:16px;top:16px;width:38px;height:38px;border-left:2px solid var(--gold);border-top:2px solid var(--gold);z-index:2;opacity:.6}
.adv-list{display:flex;flex-direction:column;justify-content:space-between;gap:12px}
.adv{padding:16px 22px;background:linear-gradient(150deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:10px;display:flex;gap:18px;align-items:center;flex:1;transition:all .3s;position:relative;overflow:hidden}
.adv::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--gold);transform:scaleY(0);transform-origin:top;transition:transform .35s}
.adv:hover{border-color:var(--gold-dim);transform:translateX(4px)}
.adv:hover::before{transform:scaleY(1)}
.adv-ic{width:46px;height:46px;border:1px solid var(--gold-dim);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s}
.adv:hover .adv-ic{background:rgba(184,152,92,.08);border-color:var(--gold)}
.adv-ic svg{width:24px;height:24px;stroke:var(--gold);fill:none;stroke-width:1.4}
.adv h3{font-size:15.5px;font-weight:700;margin-bottom:6px;letter-spacing:.5px}
.adv p{font-size:12.5px;color:var(--text-2);font-weight:300;line-height:1.7}

/* ===== 合作流程：紧凑卡片 + 大数字水印 ===== */
.process{background:var(--bg-2);border-top:1px solid var(--line);position:relative}
.process::before{content:'';position:absolute;inset:0;background:url('../../images/bg-office.webp') center/cover no-repeat;opacity:.5;pointer-events:none}
.process .wrap{position:relative;z-index:2}
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.proc-card{background:var(--panel);border:1px solid var(--line);padding:34px 28px 38px;position:relative;overflow:hidden;transition:border-color .3s}
.proc-card:hover{border-color:var(--gold-dim)}
.proc-step{display:inline-block;font-size:11px;font-weight:500;color:var(--gold-hi);letter-spacing:2px;background:rgba(184,152,92,.10);padding:6px 14px;border-radius:2px;margin-bottom:28px}
.proc-card h3{font-family:var(--serif);font-size:20px;font-weight:600;margin-bottom:14px;letter-spacing:1px}
.proc-card p{font-size:13px;color:var(--text-2);font-weight:300;line-height:1.9;position:relative;z-index:2}
.proc-wm{position:absolute;right:-8px;bottom:-30px;font-family:var(--serif);font-size:120px;font-weight:700;color:rgba(255,255,255,.025);line-height:1;z-index:1;pointer-events:none}

/* ===== 立即咨询：突出二维码 ===== */
.contact-box{display:grid;grid-template-columns:340px 1fr;gap:64px;align-items:center;padding:72px;background:var(--panel);border:1px solid var(--line);position:relative;overflow:hidden}
.contact-box .corner{position:absolute;top:0;right:0;width:140px;height:140px;border-top:1px solid var(--gold-dim);border-right:1px solid var(--gold-dim)}
.contact-qr{text-align:center;position:relative;z-index:2}
.cqr-box{width:260px;height:260px;background:#fff;padding:16px;margin:0 auto 22px;box-shadow:0 12px 40px rgba(0,0,0,.4)}
.cqr-box img{width:100%;height:100%;display:block}
.cqr-label{font-size:17px;font-weight:600;letter-spacing:1px;margin-bottom:8px}
.cqr-tip{font-size:13px;color:var(--text-2);font-weight:300;letter-spacing:.5px}
.contact-info{position:relative;z-index:2}
.contact-info h2{font-family:var(--serif);font-size:clamp(22px,2.8vw,30px);font-weight:600;line-height:1.55;margin-bottom:18px;letter-spacing:.5px}
.contact-info .c-sub{font-size:14px;color:var(--text-2);font-weight:300;line-height:1.95;margin-bottom:36px}
.c-list{display:flex;flex-direction:column;gap:22px}
.c-item{display:flex;align-items:center;gap:18px;color:inherit;transition:transform .2s}
a.c-item:hover{transform:translateX(4px)}
a.c-item:hover b{color:var(--gold-hi)}
.c-ic{width:48px;height:48px;border:1px solid var(--gold-dim);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.c-ic svg{width:21px;height:21px;stroke:var(--gold);fill:none;stroke-width:1.4}
.c-item small{display:block;font-size:11px;color:var(--text-3);letter-spacing:1.5px;margin-bottom:4px;text-transform:uppercase}
.c-item b{font-size:15px;font-weight:500;line-height:1.5;transition:color .2s}

footer{border-top:1px solid var(--line);padding:40px 0;background:var(--bg)}
.foot-inner{max-width:1200px;margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}

/* ===== 服务弹窗（完整内容） ===== */
.modal-mask{position:fixed;inset:0;background:rgba(4,9,18,.82);backdrop-filter:blur(6px);z-index:200;display:none;align-items:center;justify-content:center;padding:32px;opacity:0;transition:opacity .3s}
.modal-mask.show{display:flex;opacity:1}
.modal{background:var(--panel);border:1px solid var(--gold-dim);max-width:720px;width:100%;max-height:90vh;overflow-y:auto;position:relative;transform:translateY(16px);transition:transform .3s;border-radius:6px;scrollbar-width:thin;scrollbar-color:rgba(184,152,92,.3) transparent}
.modal-mask.show .modal{transform:translateY(0)}
.modal-photo{height:210px;background:#0A1322 center/cover no-repeat;position:relative}
.modal-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,var(--panel),transparent 70%)}
.modal-photo .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:12px;letter-spacing:1px}
.modal-photo.loaded .ph{display:none}
.modal-x{position:sticky;top:14px;z-index:6;margin:14px 14px -52px auto;width:38px;height:38px;border:1px solid var(--line);background:rgba(7,13,26,.78);color:var(--text);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;border-radius:3px}
.modal-x:hover{border-color:var(--gold);color:var(--gold-hi)}
.modal-body{padding:30px 40px 40px}
.modal-cat{font-size:11px;color:var(--gold);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:10px;font-weight:500}
.modal-body h3{font-family:var(--serif);font-size:26px;font-weight:600;margin-bottom:14px;letter-spacing:.5px}
.modal-lead{font-size:14px;color:var(--text-2);font-weight:300;line-height:2;margin-bottom:30px}
.msec{margin-bottom:30px}
.msec-t{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
.msec-t::before{content:'';width:16px;height:2px;background:var(--gold)}
.mlist{list-style:none;display:flex;flex-direction:column;gap:10px}
.mlist li{display:flex;gap:12px;font-size:13.5px;color:var(--text-2);font-weight:300;line-height:1.85;padding:12px 16px;background:rgba(255,255,255,.022);border:1px solid var(--line-2);border-radius:8px}
.mlist li::before{content:'›';color:var(--gold);font-weight:600;flex-shrink:0}
.msteps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mstep{padding:16px 14px;background:rgba(255,255,255,.022);border:1px solid var(--line-2);border-radius:8px;position:relative}
.mstep i{font-style:normal;display:block;font-family:var(--serif);font-size:13px;color:var(--gold-hi);margin-bottom:8px;letter-spacing:1px}
.mstep span{font-size:12.5px;color:var(--text-2);font-weight:300;line-height:1.7;display:block}
.mtags{display:flex;flex-wrap:wrap;gap:9px}
.mtags span{font-size:12.5px;color:var(--text-2);font-weight:300;padding:8px 16px;border:1px solid var(--gold-dim);border-radius:99px;letter-spacing:.5px}
.modal-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px;padding-top:26px;border-top:1px solid var(--line)}
.modal-actions .btn{padding:13px 30px;font-size:14px}
@media(max-width:680px){
  .modal-body{padding:24px 22px 30px}
  .modal-photo{height:160px}
  .msteps{grid-template-columns:repeat(2,1fr)}
  .modal-body h3{font-size:21px}
}

/* ===== 立即咨询弹窗（突出二维码） ===== */
.consult-mask{position:fixed;inset:0;background:rgba(4,9,18,.82);backdrop-filter:blur(6px);z-index:210;display:none;align-items:center;justify-content:center;padding:32px;opacity:0;transition:opacity .3s}
.consult-mask.show{display:flex;opacity:1}
.consult{background:var(--panel);border:1px solid var(--gold-dim);max-width:420px;width:100%;position:relative;transform:translateY(16px);transition:transform .3s;padding:44px 40px 40px;text-align:center}
.consult-mask.show .consult{transform:translateY(0)}
.consult .corner{position:absolute;top:0;right:0;width:90px;height:90px;border-top:1px solid var(--gold-dim);border-right:1px solid var(--gold-dim)}
.consult-x{position:absolute;top:16px;right:16px;width:36px;height:36px;border:1px solid var(--line);background:rgba(7,13,26,.5);color:var(--text);font-size:19px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:3}
.consult-x:hover{border-color:var(--gold);color:var(--gold-hi)}
.consult .eyebrow{justify-content:center;margin-bottom:20px}
.consult .eyebrow::before{display:none}
.consult-qr{width:220px;height:220px;background:#fff;padding:14px;margin:0 auto 20px;box-shadow:0 12px 40px rgba(0,0,0,.4)}
.consult-qr img{width:100%;height:100%;display:block}
.consult-label{font-size:16px;font-weight:600;letter-spacing:1px;margin-bottom:6px}
.consult-tip{font-size:12.5px;color:var(--text-2);font-weight:300;margin-bottom:28px}
.consult-info{display:flex;flex-direction:column;gap:14px;text-align:left;border-top:1px solid var(--line);padding-top:24px}
.consult-item{display:flex;align-items:center;gap:14px}
.consult-item .ci{width:40px;height:40px;border:1px solid var(--gold-dim);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.consult-item .ci svg{width:18px;height:18px;stroke:var(--gold);fill:none;stroke-width:1.4}
.consult-item small{display:block;font-size:10.5px;color:var(--text-3);letter-spacing:1.5px;margin-bottom:2px;text-transform:uppercase}
.consult-item b{font-size:13.5px;font-weight:500;line-height:1.45}
.consult-item a b{transition:color .2s}
.consult-item a:hover b{color:var(--gold-hi)}
@media(max-width:580px){.consult{padding:38px 26px 30px}.consult-qr{width:190px;height:190px}}
footer span,footer a{font-size:12px;color:var(--text-3);font-weight:300;letter-spacing:.5px}
.foot-links{display:flex;gap:30px;flex-wrap:wrap}
footer a:hover{color:var(--gold)}

/* ===== 响应式 ===== */
@media(max-width:1150px){
  .nav-links a{padding:28px 11px;font-size:13px}
  .nav-links a::after{left:11px;right:11px}
  .logo-name small{display:none}
}
@media(max-width:980px){
  .nav-links{display:none}
  .nav-right .lang-sw,.nav-right .nav-cta{display:none}
  .burger{display:flex}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .adv-wrap{grid-template-columns:1fr;gap:40px}
  .proc-grid{grid-template-columns:repeat(2,1fr)}
  .contact-box{grid-template-columns:1fr;padding:48px 32px;gap:40px}
  .cqr-box{width:220px;height:220px}
  section{padding:88px 0}
  .hero{padding:108px 0 96px}
  .sec-head{margin-bottom:52px}
  .wrap{padding:0 28px}
}
@media(max-width:580px){
  .svc-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:1fr}
  .wrap{padding:0 22px}
  .logo-name{font-size:13px}
  .logo img{height:38px;width:38px}
  .btn{width:100%;justify-content:center}
  .btn-row{flex-direction:column}
  .hero-meta{font-size:11px;gap:10px}
  .nav-inner{padding:0 22px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* ===== 2026 premium refinement pack ===== */
::selection{background:rgba(184,152,92,.36);color:#fff}
:focus-visible{outline:2px solid var(--gold-hi);outline-offset:4px}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 80% 12%,rgba(184,152,92,.08),transparent 32%),radial-gradient(circle at 18% 86%,rgba(72,105,160,.08),transparent 35%)}
.nav{box-shadow:0 10px 34px rgba(0,0,0,.24)}
.logo img{filter:drop-shadow(0 6px 16px rgba(0,0,0,.28))}
.hero::before{content:'';position:absolute;inset:0;background:none center/cover no-repeat;opacity:.34;mix-blend-mode:screen;z-index:1;pointer-events:none}
.hero-bg{filter:saturate(.92) contrast(1.05)}
.hero-fade{background:linear-gradient(100deg,rgba(7,13,26,.98) 12%,rgba(7,13,26,.86) 45%,rgba(7,13,26,.54) 100%)}
.hero-inner{z-index:2}
.hero h1{text-wrap:balance;text-shadow:0 16px 40px rgba(0,0,0,.34)}
.hero-sub{border-left:1px solid rgba(184,152,92,.35);padding-left:22px}
.hero-meta{padding:15px 18px;border:1px solid rgba(255,255,255,.08);border-radius:999px;background:rgba(7,13,26,.32);backdrop-filter:blur(12px);display:inline-flex;box-shadow:0 16px 40px rgba(0,0,0,.18)}
.btn{box-shadow:0 10px 30px rgba(0,0,0,.14)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-hi));box-shadow:0 16px 36px rgba(184,152,92,.2)}
.btn-line{background:rgba(255,255,255,.025);backdrop-filter:blur(10px)}
.sec-head h2{text-wrap:balance}
.svc{border-radius:16px;background:linear-gradient(160deg,rgba(19,32,58,.9),rgba(10,20,38,.96));box-shadow:inset 0 1px 0 rgba(255,255,255,.035)}
.svc-photo{height:168px;filter:saturate(.92)}
.svc-photo::after{background:linear-gradient(to top,rgba(10,20,38,.78),rgba(10,20,38,.08) 70%)}
.svc-body{padding:26px 26px 28px}
.svc h3{font-size:17px}
.adv-photo,.proc-card,.contact-card,.side-card,.consult,.modal{box-shadow:0 24px 70px rgba(0,0,0,.28)}
.proc-card{border-radius:16px;background:linear-gradient(160deg,rgba(19,32,58,.88),rgba(10,20,38,.95))}
.contact{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.contact-card{border-radius:18px;background:linear-gradient(160deg,rgba(19,32,58,.92),rgba(10,20,38,.98))}
footer{background:rgba(4,9,18,.22)}
@media(max-width:760px){.hero-meta{border-radius:18px}.hero-sub{padding-left:16px}.svc-photo{height:150px}}


/* ===== v2 corrections based on visual review ===== */
.hero-bg{background-position:68% center;z-index:0}
.hero-fade,.hero-fade2{z-index:1}
.hero::before{right:-4%;top:8%;left:auto;bottom:auto;inset:auto;width:min(640px,52vw);height:430px;background:none center/contain no-repeat;opacity:.5;mix-blend-mode:screen;z-index:2;filter:drop-shadow(0 22px 60px rgba(184,152,92,.18))}
.hero-inner{z-index:3}
.services{position:relative;overflow:hidden}
.services::before{content:'';position:absolute;right:-180px;top:44px;width:620px;height:460px;background:none center/contain no-repeat;opacity:.16;mix-blend-mode:screen;pointer-events:none}
.services .wrap{position:relative;z-index:1}
.svc{overflow:hidden;border-radius:14px;background:linear-gradient(160deg,rgba(19,32,58,.92),rgba(7,13,26,.98));box-shadow:inset 0 1px 0 rgba(255,255,255,.035)}
.svc-photo{height:180px;background-position:center 42%;border-bottom:0;isolation:isolate}
.svc-photo::after{background:linear-gradient(to top,rgba(7,13,26,.44),rgba(7,13,26,.08) 50%,transparent 82%)}
.svc-photo::before{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(212,184,120,.36),transparent);z-index:2;opacity:.72}
.svc-body{padding-top:22px}
@media(max-width:980px){.hero-bg{background-position:62% center}.services::before{opacity:.11;right:-280px}.svc-photo{height:170px}}
@media(max-width:760px){.hero-bg{background-position:66% center}.hero::before{opacity:.26;right:-34%;width:100vw}.svc-photo{height:160px!important}}

/* ===== v3 visible refinement: hero composition, HQ image, route decoration ===== */
.hero{
  padding:clamp(78px,9vh,118px) 0 clamp(76px,9vh,110px);
  min-height:620px;
  display:flex;
  align-items:center;
}
.hero .wrap{width:100%;position:relative;z-index:4}
.hero-bg{
  background-image:url('../../images/sino-russia-hero.png');
  background-position:76% center!important;
  background-size:cover;
  transform:scale(1.012);
  transform-origin:center;
  filter:saturate(1.02) contrast(1.08) brightness(1.03);
}
.hero-fade{
  background:
    radial-gradient(circle at 75% 32%, rgba(184,152,92,.10), transparent 28%),
    linear-gradient(96deg,rgba(7,13,26,.98) 8%,rgba(7,13,26,.90) 38%,rgba(7,13,26,.54) 70%,rgba(7,13,26,.30) 100%);
}
.hero-fade2{background:linear-gradient(to top,var(--bg) 0%,rgba(7,13,26,.82) 9%,transparent 32%)}
.hero::before{
  right:3%!important;
  top:50%!important;
  transform:translateY(-50%);
  width:min(720px,48vw)!important;
  height:560px!important;
  opacity:.72!important;
  mix-blend-mode:screen;
  z-index:2;
  background:none center/contain no-repeat!important;
  filter:drop-shadow(0 22px 80px rgba(184,152,92,.22));
}
.hero-inner{max-width:700px;position:relative;z-index:5}
.hero h1{
  max-width:700px;
  font-size:clamp(34px,4.1vw,50px);
  line-height:1.26;
  letter-spacing:.2px;
  text-wrap:balance;
}
.hero-sub{max-width:560px;margin-bottom:40px}
.hero-meta{margin-top:46px}

/* service card image: match source 16:9 ratio to remove hard-crop feeling */
.svc-photo{
  height:auto!important;
  aspect-ratio:16/9;
  background-position:center center!important;
  background-size:cover!important;
  filter:saturate(1.02) contrast(1.03);
}
.svc-photo::after{background:linear-gradient(to top,rgba(7,13,26,.34),rgba(7,13,26,.04) 52%,transparent 86%)!important}
.services::before{opacity:.28!important;right:-120px!important;top:30px!important;width:720px!important;height:520px!important}
.svc-grid{align-items:stretch}

@media(max-width:1180px){
    .hero::before{opacity:.56!important;right:-5%!important;width:58vw!important}
  .hero h1{font-size:clamp(32px,4.6vw,48px)}
}
@media(max-width:900px){
  .hero{min-height:auto;padding:82px 0 86px}
    .hero::before{right:-34%!important;width:112vw!important;opacity:.32!important}
  .hero-bg{background-position:68% center!important}
  .hero h1{font-size:clamp(31px,8vw,42px)}
}
@media(max-height:680px) and (min-width:901px){
  .hero{min-height:auto;padding:58px 0 64px}
  .eyebrow{margin-bottom:20px}
  .hero h1{font-size:42px;line-height:1.22;margin-bottom:20px;max-width:620px}
  .hero-sub{margin-bottom:26px;line-height:1.75}
  .hero-meta{margin-top:28px;padding:12px 15px}
  }


/* ===== v4：去掉路线 SVG 装饰；统一导航条尺寸与布局 ===== */
.hero::before,
.services::before,
.p-hero::before,
.inline-cta::after{content:none!important;display:none!important;background:none!important}
.hero-route-card,.route-dot,.route-line,.nav{position:sticky!important;top:0!important;z-index:100!important;background:rgba(7,13,26,.86)!important;backdrop-filter:blur(16px)!important;border-bottom:1px solid var(--line)!important;box-shadow:0 10px 34px rgba(0,0,0,.24)!important}
.nav-inner{max-width:1340px!important;margin:0 auto!important;padding:0 32px!important;height:76px!important;display:flex!important;align-items:center!important;justify-content:space-between!important;gap:16px!important}
.logo{display:flex!important;align-items:center!important;gap:13px!important;flex-shrink:0!important}
.logo img{height:44px!important;width:44px!important;filter:drop-shadow(0 6px 16px rgba(0,0,0,.28))!important}
.logo-name{font-size:15px!important;font-weight:500!important;letter-spacing:.5px!important;white-space:nowrap!important;line-height:1.3!important}
.logo-name small{display:block!important;font-size:9px!important;font-weight:300!important;color:var(--text-3)!important;letter-spacing:2px!important}
.nav-links{display:flex!important;align-items:center!important;list-style:none!important}
.nav-links a{display:block!important;font-size:14px!important;color:var(--text-2)!important;letter-spacing:.5px!important;padding:28px 16px!important;transition:color .25s!important;white-space:nowrap!important;position:relative!important;background:transparent!important}
.nav-links a::after{content:''!important;position:absolute!important;left:16px!important;right:16px!important;bottom:24px!important;height:1px!important;background:var(--gold)!important;transform:scaleX(0)!important;transition:transform .3s!important;transform-origin:left!important}
.nav-links a:hover,.nav-links a.cur{color:var(--text)!important}
.nav-links a:hover::after,.nav-links a.cur::after{transform:scaleX(1)!important}
.nav-right{display:flex!important;align-items:center!important;gap:16px!important;flex-shrink:0!important}
.lang-sw{display:flex!important;gap:2px!important}
.lang-sw button{background:transparent!important;border:none!important;color:var(--text-3)!important;font-family:var(--sans)!important;font-size:12px!important;padding:6px 9px!important;cursor:pointer!important;transition:all .2s!important;letter-spacing:.5px!important;box-shadow:none!important}
.lang-sw button.on{color:var(--gold-hi)!important}
.lang-sw button:hover:not(.on){color:var(--text-2)!important}
.nav-cta{border:1px solid var(--gold)!important;background:transparent!important;color:var(--gold-hi)!important;padding:10px 22px!important;border-radius:2px!important;font-weight:500!important;font-size:13.5px!important;letter-spacing:1px!important;transition:all .25s!important;white-space:nowrap!important;box-shadow:none!important}
.nav-cta:hover{background:var(--gold)!important;color:#070D1A!important}
.burger{display:none!important;background:none!important;border:1px solid var(--line)!important;border-radius:3px!important;width:44px!important;height:44px!important;cursor:pointer!important;flex-direction:column!important;align-items:center!important;justify-content:center!important;gap:5px!important}
.burger span{display:block!important;width:18px!important;height:1.5px!important;background:var(--gold)!important;transition:all .3s!important}
.m-menu{display:none;position:fixed!important;top:76px!important;left:0!important;right:0!important;bottom:0!important;background:rgba(7,13,26,.99)!important;backdrop-filter:blur(14px)!important;z-index:99!important;padding:32px 28px!important;overflow-y:auto!important}
.m-menu.show{display:block!important}
.m-menu a{display:flex!important;align-items:center!important;justify-content:space-between!important;padding:18px 4px!important;font-size:16px!important;color:var(--text)!important;border-bottom:1px solid var(--line)!important;background:transparent!important}
.m-menu a.cur span:first-child{color:var(--gold-hi)!important}
.m-menu a span.ar{color:var(--gold-dim)!important;font-size:13px!important}
.m-menu .m-cta{margin-top:28px!important;border:1px solid var(--gold)!important;background:transparent!important;color:var(--gold-hi)!important;border-radius:2px!important;justify-content:center!important;font-weight:500!important;padding:16px!important;letter-spacing:2px!important}
.m-lang{display:flex!important;gap:10px!important;margin-top:24px!important}
.m-lang button{flex:1!important;background:transparent!important;border:1px solid var(--line)!important;border-radius:2px!important;color:var(--text-3)!important;padding:13px!important;font-size:13px!important;font-family:var(--sans)!important;cursor:pointer!important;letter-spacing:1px!important}
.m-lang button.on{color:var(--gold-hi)!important;border-color:var(--gold-dim)!important}
@media(max-width:1150px){.nav-links a{padding:28px 11px!important;font-size:13px!important}.nav-links a::after{left:11px!important;right:11px!important}.logo-name small{display:none!important}}
@media(max-width:980px){.nav-links{display:none!important}.nav-right .lang-sw,.nav-right .nav-cta{display:none!important}.burger{display:flex!important}}
@media(max-width:580px){.nav-inner{padding:0 22px!important}.logo-name{font-size:13px!important}.logo img{height:38px!important;width:38px!important}}