:root{--blue:#0b428f;--blue2:#0b69c7;--ink:#17345c;--muted:#627895;--line:#d9e5f3;--soft:#f2f7fd;--white:#fff;--dark:#082d69;--shadow:0 18px 42px rgba(12,54,112,.09);--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:86px}body{margin:0;font-family:Inter,Arial,"Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;line-height:1.55}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.icon,.arrow{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(217,229,243,.8)}.nav-wrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:11px}.brand img{width:48px;height:48px}.brand strong{display:block;font-size:1.42rem;line-height:1;color:var(--dark);letter-spacing:.02em}.brand small{display:block;font-size:.63rem;color:#8190a6;letter-spacing:.13em;margin-top:4px}.nav{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:.93rem}.nav a:hover{color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:11px}.lang{border:0;background:transparent;color:var(--muted);cursor:pointer;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:999px;background:var(--blue);color:#fff;padding:13px 20px;font-weight:800;cursor:pointer;box-shadow:0 10px 22px rgba(11,66,143,.17);transition:.2s}.btn:hover{transform:translateY(-1px)}.btn-small{padding:11px 17px;font-size:.88rem}.btn-light{background:#fff;color:var(--blue);border:1px solid #b9cee8;box-shadow:none}.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:13px;color:var(--dark);cursor:pointer}.mobile-nav{padding:10px 0 18px;border-top:1px solid var(--line)}.mobile-nav a{display:block;padding:10px 0;color:var(--muted)}.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fbfdff,#eef6ff);border-bottom:1px solid var(--line)}.hero-map{position:absolute;right:-4%;top:2%;width:53%;opacity:.36;pointer-events:none}.hero-map img{width:100%;height:auto}.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:54px;align-items:center;padding:78px 0 72px}.kicker{margin:0;color:var(--blue2);font-size:.79rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.hero h1{margin:16px 0 18px;max-width:11ch;font-size:clamp(3.1rem,5vw,5.8rem);line-height:.93;letter-spacing:-.045em;color:var(--dark)}.hero-lead{margin:0;max-width:58ch;color:var(--muted);font-size:1.08rem;line-height:1.75}.hero-actions{display:flex;align-items:center;gap:22px;margin-top:30px}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:800}.hero-contact-card{background:rgba(255,255,255,.94);border:1px solid rgba(193,210,232,.9);border-radius:28px;padding:26px;box-shadow:0 24px 55px rgba(11,55,125,.12)}.company-mark{display:flex;align-items:center;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--line)}.company-mark img{width:58px;height:58px}.company-mark strong{display:block;color:var(--dark);font-size:1.06rem}.company-mark span{display:block;color:var(--muted);font-size:.87rem;margin-top:2px}.hero-contact-card dl{margin:18px 0 0}.hero-contact-card dl>div{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid #edf2f8}.hero-contact-card dt{color:#8392a7;font-size:.83rem;text-transform:uppercase;letter-spacing:.08em}.hero-contact-card dd{margin:0;color:var(--ink);font-weight:700;line-height:1.45}.map-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;color:var(--blue);font-weight:800;font-size:.92rem}.section{padding:76px 0}.direct-section{background:#fff}.section-heading h2,.inquiry-intro h2,.social-copy h2{margin:13px 0 0;color:var(--dark);font-size:clamp(2rem,3.3vw,3.5rem);line-height:1.04;letter-spacing:-.035em}.split-heading{display:grid;grid-template-columns:1fr .9fr;gap:42px;align-items:end}.split-heading>p{margin:0;color:var(--muted);line-height:1.75}.contact-methods{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}.method-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:18px;background:linear-gradient(180deg,#fff,#f9fbfe);border:1px solid var(--line);border-radius:22px;transition:.2s}.method-card:hover{transform:translateY(-2px);border-color:#b5cae6;box-shadow:var(--shadow)}.method-icon{width:44px;height:44px;border-radius:15px;background:#eaf3ff;display:grid;place-items:center;color:var(--blue)}.method-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.method-card strong{display:block;color:var(--dark);font-size:.98rem}.method-card small{display:block;color:var(--muted);margin-top:3px;overflow-wrap:anywhere}.method-card .arrow{color:#9aabc1}.inquiry-section{background:linear-gradient(180deg,#f2f7fd,#f8fbff)}.inquiry-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:46px;align-items:start}.inquiry-intro{position:sticky;top:112px}.inquiry-intro>p:not(.kicker):not(.file-tip){color:var(--muted);line-height:1.75}.guide-box{display:flex;gap:14px;margin-top:18px;padding:16px 17px;background:#fff;border:1px solid var(--line);border-radius:20px}.guide-icon{flex:0 0 42px;width:42px;height:42px;border-radius:13px;background:#eaf3ff;display:grid;place-items:center;color:var(--blue)}.guide-icon svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.guide-box strong{display:block;color:var(--dark);font-size:.95rem}.guide-box span:last-child{display:block;color:var(--muted);font-size:.89rem;line-height:1.55;margin-top:4px}.file-tip{font-size:.86rem;color:#7a8ba2!important;margin-top:18px!important}.inquiry-form{background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:var(--shadow)}.type-switcher{border:0;padding:0;margin:0 0 24px}.type-switcher legend{font-weight:800;color:var(--dark);margin-bottom:12px}.type-option{display:inline-flex;align-items:center;margin:0 8px 8px 0}.type-option input{position:absolute;opacity:0;pointer-events:none}.type-option span{display:block;padding:9px 13px;border:1px solid #c9d8eb;border-radius:999px;color:var(--muted);cursor:pointer;font-size:.89rem;font-weight:700}.type-option.active span{background:var(--blue);color:#fff;border-color:var(--blue)}.form-grid{display:grid;gap:15px}.two-col{grid-template-columns:1fr 1fr}.inquiry-form label>span,.conditional-fields h3{display:block;color:var(--dark);font-size:.87rem;font-weight:800;margin-bottom:7px}.inquiry-form input,.inquiry-form textarea,.inquiry-form select{width:100%;border:1px solid #c9d8eb;background:#fff;border-radius:13px;padding:12px 13px;color:var(--ink);outline:none}.inquiry-form input:focus,.inquiry-form textarea:focus,.inquiry-form select:focus{border-color:#6ba6e6;box-shadow:0 0 0 3px rgba(32,116,202,.09)}.conditional-fields{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.message-field{display:block;margin-top:20px}.consent{display:flex!important;gap:10px;align-items:flex-start;margin-top:18px;color:var(--muted);font-size:.84rem}.consent input{width:auto;margin-top:4px}.consent span{font-weight:500!important;color:var(--muted)!important;margin:0!important}.form-error{min-height:1.2em;margin:8px 0;color:#b3261e;font-size:.86rem}.submit-btn{width:100%;margin-top:4px}.form-note{margin:11px 0 0;color:#8594a8;font-size:.79rem;line-height:1.55}.social-section{background:#fff}.social-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:48px;align-items:center}.social-copy>p:not(.kicker){color:var(--muted);line-height:1.75}.social-links{display:grid;gap:12px}.social-card{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);border-radius:22px;padding:16px 18px;background:linear-gradient(180deg,#fff,#fafcff);transition:.2s}.social-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.social-mark{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#0a66c2;color:#fff;font-weight:900;font-size:1.05rem}.social-mark.youtube{background:#c92727}.social-mark.whatsapp{background:#179c52}.social-card strong{display:block;color:var(--dark)}.social-card small{display:block;color:var(--muted);margin-top:3px}.social-card .arrow{color:#9aabc1}.footer{background:var(--dark);color:#fff;padding:26px 0 30px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.footer-brand{display:flex;gap:12px;align-items:center}.footer-brand img{width:48px;height:48px;background:#fff;border-radius:50%;padding:2px}.footer-brand strong{display:block}.footer-brand span{display:block;color:#bcd0ec;font-size:.86rem;margin-top:3px}.footer-contact{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px 18px;color:#d9e7fa;font-size:.86rem}.footer-contact span{width:100%;text-align:right;color:#aebfda}dialog{width:min(650px,calc(100% - 28px));border:0;border-radius:26px;padding:27px;box-shadow:0 30px 90px rgba(4,26,60,.3)}dialog::backdrop{background:rgba(4,20,45,.5);backdrop-filter:blur(4px)}.dialog-close{position:absolute;top:14px;right:14px;width:38px;height:38px;border:0;border-radius:50%;background:#eff5fb;color:var(--dark);cursor:pointer;font-size:1.25rem}.dialog-icon{width:48px;height:48px;border-radius:50%;background:#e8f6ec;color:#24733e;display:grid;place-items:center;font-size:1.25rem;font-weight:900}dialog h2{margin:13px 0 8px;color:var(--dark);font-size:1.8rem}dialog>p{margin:0;color:var(--muted);line-height:1.65}#summaryText{white-space:pre-wrap;background:#f4f8fd;border:1px solid var(--line);border-radius:16px;padding:15px;max-height:280px;overflow:auto;color:var(--ink);font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin:18px 0}.dialog-actions{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:1080px){.hero-grid,.inquiry-grid,.social-grid{grid-template-columns:1fr}.hero-contact-card{max-width:760px}.contact-methods{grid-template-columns:1fr 1fr}.inquiry-intro{position:static}.split-heading{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-contact{justify-content:flex-start}.footer-contact span{text-align:left}}
@media(max-width:800px){.nav{display:none}.nav-actions .btn{display:none}.menu-toggle{display:grid;place-items:center}.hero-grid{padding:52px 0 50px}.hero h1{max-width:none}.hero-map{width:80%;right:-25%;top:4%}.two-col{grid-template-columns:1fr}.social-copy h2,.section-heading h2,.inquiry-intro h2{font-size:2.4rem}}
@media(max-width:600px){html{scroll-padding-top:74px}.wrap{width:calc(100% - 28px)}.nav-wrap{min-height:70px}.brand img{width:40px;height:40px}.brand strong{font-size:1.2rem}.brand small{font-size:.56rem}.lang{font-size:.8rem}.hero-grid{padding:38px 0 36px;gap:28px}.hero h1{font-size:2.7rem;line-height:.98}.hero-lead{font-size:.98rem}.hero-actions{align-items:flex-start;gap:15px}.hero-contact-card{padding:20px;border-radius:22px}.hero-contact-card dl>div{grid-template-columns:70px 1fr;gap:10px}.contact-methods{grid-template-columns:1fr}.section{padding:54px 0}.inquiry-form{padding:20px;border-radius:22px}.type-option{display:flex;margin-right:0}.type-option span{width:100%;text-align:center}.type-switcher{display:grid;grid-template-columns:1fr;gap:0}.guide-box{padding:14px}.social-copy h2,.section-heading h2,.inquiry-intro h2{font-size:2.05rem}.footer-contact{display:grid;gap:8px}.footer-contact span{width:auto}.dialog-actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* QA fixes */
.type-option input{width:auto!important}
body{overflow-x:hidden}
@media(max-width:800px){.hero-map{right:0;width:72%;opacity:.25}}
html[lang="zh-CN"] .hero h1{font-size:clamp(2.7rem,4vw,4.6rem);max-width:9.5ch;line-height:1.02;letter-spacing:-.02em}
@media(max-width:600px){html[lang="zh-CN"] .hero h1{font-size:2.45rem;max-width:none}}
html[lang="zh-CN"] .hero h1{font-size:clamp(2.7rem,3.6vw,4.1rem);max-width:13ch}