:root{--blue:#2563eb;--blue-dark:#1d4ed8;--ink:#17233a;--muted:#78869b;--line:#e6ebf3;--bg:#f7f9fc;--radius:13px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-gutter:stable}body{margin:0;background:#fff;color:var(--ink);font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}.container{max-width:1720px;width:calc(100% - 64px);padding:0 24px;margin:0 auto}svg{display:inline-block;vertical-align:middle;flex:none}
.site-header{height:76px;background:rgba(255,255,255,.97);border-bottom:1px solid #eaf0f6;display:flex;align-items:center;position:sticky;top:0;z-index:40;backdrop-filter:blur(13px)}.header-inner{height:100%;display:flex;align-items:center;gap:36px}.logo{display:flex;align-items:center;gap:10px;flex:none}.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);display:grid;place-items:center;color:#fff;box-shadow:0 7px 12px #2b6bf328}.logo-title{font-weight:800;font-size:23px;letter-spacing:-.8px;line-height:1.2}.logo-en{font-size:10px;color:#95a0b2;font-weight:700;letter-spacing:1.8px;display:block}.nav{display:flex;align-items:center;gap:28px;height:100%;flex:1;min-width:0}.nav a{height:100%;display:flex;align-items:center;position:relative;white-space:nowrap;font-size:14px;color:#59667d}.nav a:hover,.nav a.active{color:var(--blue)}.nav a.active{font-weight:750}.nav a.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:3px;border-radius:4px;background:var(--blue)}.header-actions{display:flex;gap:16px;align-items:center;white-space:nowrap;margin-left:auto}.login-link{color:#53647c;font-size:13px}.login-link:hover{color:var(--blue)}.header-register{border-radius:8px;padding:8px 15px;color:var(--blue);border:1px solid #c7d9fd;background:#f6f9ff;font-weight:700;font-size:12px}.header-register:hover{background:#eaf1ff}
.hero{background:linear-gradient(108deg,#f0f5ff 0%,#f7faff 52%,#eef5ff 100%);border-bottom:1px solid #e7eefb;text-align:center}.hero-inner{padding:36px 0 39px}.eyebrow{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:99px;font-size:11px;font-weight:700;color:#3767dd;background:#e4edff}.eyebrow i{width:6px;height:6px;background:#3f82fc;border-radius:50%}.hero h1{font-size:35px;line-height:1.35;margin:12px 0 9px;letter-spacing:-.6px}.hero h1 b{color:var(--blue)}.hero p{margin:0;font-size:14px;color:#71819c}.main{background:var(--bg);min-height:calc(100vh - 226px);padding:32px 0 74px}.content-limit{max-width:none;margin:0}.content-wide{max-width:1240px;margin:0 auto}.white-card{border:1px solid #e3eaf4;background:#fff;border-radius:14px;box-shadow:0 4px 18px #263e6507}.section-title{font-size:21px;letter-spacing:-.35px;margin:0 0 12px}.section-lead{font-size:14px;color:#73829a;line-height:1.9;margin:0}.tag{display:inline-flex;align-items:center;border-radius:6px;padding:4px 9px;font-size:11px;font-weight:700;color:#3568db;background:#edf3ff}.muted{color:#8795ab}.btn{height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;border:1px solid transparent;padding:0 18px;font-weight:700}.btn-primary{background:var(--blue);color:white;border-color:var(--blue)}.btn-primary:hover{background:var(--blue-dark)}.btn-outline{border-color:#c9d9f5;color:#3266d6;background:#fff}.btn-outline:hover{background:#f6f9ff}.btn-light{border-color:#e0e7f3;background:#f9fbff;color:#64748c}.btn-light:hover{color:var(--blue)}.btn-full{width:100%}.link{color:var(--blue)}.link:hover{text-decoration:underline}.hint{font-size:12px;color:#8a99ad;line-height:1.75}.legal-note{border-radius:9px;background:#f5f8fd;border:1px solid #e8eef7;padding:11px 14px;font-size:12px;line-height:1.7;color:#7b8aa0}.footer{border-top:1px solid #eaf0f7;padding:27px 0;background:#fff}.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.footer strong{font-size:14px;color:#4b5d73}.footer p{font-size:12px;color:#96a3b3;margin:4px 0}.footer-links{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.footer-links a{font-size:12px;color:#73849b;padding:8px 0}.footer-links a:hover,.footer-links a.active{color:var(--blue)}.toast{position:fixed;z-index:120;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 18px;border-radius:9px;background:#1d304c;color:#fff;opacity:0;pointer-events:none;transition:opacity .16s;box-shadow:0 11px 30px #162d4d25;text-align:center;max-width:calc(100vw - 36px)}.toast.show{opacity:1}
/* Account pages */
.auth-layout{max-width:1050px;margin:10px auto 0;display:grid;grid-template-columns:.94fr 1.06fr;gap:20px;align-items:stretch}.auth-aside{border-radius:15px;padding:52px 43px;background:linear-gradient(155deg,#e7efff,#f5f9ff);border:1px solid #dfebfd;min-height:505px;display:flex;flex-direction:column;justify-content:space-between}.aside-emblem{width:61px;height:61px;display:grid;place-items:center;color:var(--blue);background:#fff;border:1px solid #deebfc;border-radius:16px;box-shadow:0 10px 25px #376cce0e}.aside-emblem svg{width:29px;height:29px}.auth-aside h2{font-size:29px;line-height:1.45;letter-spacing:-.5px;margin:22px 0 11px}.auth-aside h2 b{color:var(--blue)}.auth-aside p{color:#7488a4;font-size:14px;line-height:1.9;margin:0}.aside-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:34px}.aside-chips span{background:#fff;border:1px solid #e0e9f6;color:#6480a7;padding:7px 11px;border-radius:7px;font-size:12px}.aside-bottom{color:#98a7bb;font-size:12px;margin-top:35px}.auth-card{padding:39px 42px 35px}.auth-card h1{font-size:25px;line-height:1.3;margin:0}.auth-subtitle{color:#8a98ae;font-size:13px;margin:9px 0 29px}.field{margin-bottom:19px;min-width:0}.field label{display:block;margin-bottom:8px;color:#43516a;font-weight:650;font-size:13px}.input-wrap{position:relative}.control{width:100%;min-width:0;border:1px solid #dce5f1;border-radius:8px;background:#fff;color:#263850;outline:0;min-height:44px;padding:11px 13px;font-size:14px}.control:focus{border-color:#88aafb;box-shadow:0 0 0 3px #2563eb10}.control::placeholder{color:#a5b0be}.input-wrap .control{padding-right:71px}.show-pw{position:absolute;right:11px;top:50%;transform:translateY(-50%);border:0;color:#6f819b;background:none;font-size:12px;padding:4px 6px}.show-pw:hover{color:var(--blue)}.field-help{font-size:11px;color:#9ba8b9;margin-top:6px}.form-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:4px 0 22px}.check-label{display:inline-flex;align-items:flex-start;gap:8px;color:#68798f;font-size:12px;line-height:1.7;cursor:pointer}.check-label input{accent-color:var(--blue);margin:3px 0 0}.auth-switch{text-align:center;color:#91a0b3;font-size:13px;margin-top:20px}.auth-switch a{color:var(--blue);font-weight:650}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;padding:4px;gap:4px;border-radius:9px;background:#f3f6fb;margin:0 0 22px}.auth-tabs button{border:1px solid transparent;border-radius:7px;padding:10px;font-size:13px;font-weight:700;background:none;color:#8290a3}.auth-tabs button.active{background:#fff;color:var(--blue);box-shadow:0 2px 6px #29467010;border-color:#e6edf6}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 13px}.is-hidden{display:none!important}.form-error{font-size:12px;color:#cb4747;min-height:0;margin:10px 0 0}.form-error:empty{display:none}.company-note{color:#7186a4;background:#f5f8fe;border-radius:8px;padding:9px 12px;font-size:12px;margin:-4px 0 18px}
/* About */
.about-intro{padding:36px 40px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center}.about-intro h2{margin:13px 0 14px;font-size:26px}.about-intro p{color:#6e7f97;line-height:2;margin:0;font-size:14px}.about-panel{background:#f4f8ff;border:1px solid #e7efff;border-radius:11px;padding:22px 24px}.about-panel strong{display:block;font-size:15px;color:#3f587c;margin-bottom:10px}.about-panel p{font-size:13px;line-height:1.9}.section-block{margin-top:28px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature{padding:25px 24px;min-height:172px}.feature-icon{height:38px;width:38px;display:grid;place-items:center;border-radius:10px;background:#edf4ff;color:var(--blue);margin-bottom:14px}.feature-icon svg{width:21px;height:21px}.feature h3{font-size:16px;margin:0 0 8px}.feature p{color:#8390a3;font-size:13px;margin:0;line-height:1.85}.manifesto{margin-top:27px;padding:26px 30px;display:flex;justify-content:space-between;align-items:center;gap:25px}.manifesto h3{font-size:17px;margin:0 0 7px}.manifesto p{margin:0;color:#8291a7;font-size:13px}
/* Contact */
.contact-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:18px}.contact-info{padding:30px}.contact-list{display:grid;gap:0;margin:20px 0 0}.contact-entry{display:flex;align-items:flex-start;gap:13px;padding:17px 0;border-top:1px solid #edf1f7}.contact-entry:first-child{border-top:0}.contact-ico{width:39px;height:39px;border-radius:10px;background:#eff5ff;color:#3970e5;display:grid;place-items:center;flex:none}.contact-ico svg{width:19px;height:19px}.contact-entry strong{display:block;font-size:13px;margin:0 0 3px}.contact-entry span{display:block;color:#8392a7;font-size:13px}.contact-form{padding:30px 34px}.contact-form h2,.contact-info h2{font-size:22px;margin:0 0 7px}.contact-form p,.contact-info>p{font-size:13px;color:#8a98ab;margin:0 0 22px}.contact-form textarea{min-height:140px;resize:vertical}.contact-form .form-grid{gap:0 14px}
/* Service */
.service-layout{display:grid;grid-template-columns:215px minmax(0,1fr);gap:20px;align-items:start}.toc{position:sticky;top:99px;padding:17px 13px}.toc strong{display:block;padding:6px 12px 12px;color:#8a99ad;font-size:12px}.toc a{display:block;padding:11px 12px;color:#697e99;font-size:13px;border-radius:8px}.toc a:hover{background:#f5f8fe;color:var(--blue)}.service-sections{display:grid;gap:16px}.service-section{padding:29px 34px;scroll-margin-top:100px}.service-section h2{font-size:20px;margin:0 0 14px}.service-section p{color:#657992;font-size:13px;line-height:2;margin:0 0 13px}.service-section p:last-child{margin-bottom:0}.service-section ul{margin:0;padding:0 0 0 19px;color:#647991;line-height:2.15;font-size:13px}.service-section li::marker{color:#7d9eee}.service-foot{margin-top:5px;padding:19px 22px;color:#8798ad;font-size:12px;line-height:1.85}
@media(max-width:1400px){.container{width:calc(100% - 44px)}.header-inner{gap:20px}.nav{gap:16px}.nav a{font-size:13px}}@media(max-width:1120px){.nav{gap:10px}.nav a{font-size:12px}}@media(max-width:960px){.nav{display:none}.auth-layout{grid-template-columns:1fr;max-width:650px}.auth-aside{min-height:0;padding:25px}.aside-bottom{margin-top:16px}.auth-aside h2{font-size:23px}.features{grid-template-columns:repeat(2,1fr)}.service-layout{grid-template-columns:1fr}.toc{position:static;display:flex;flex-wrap:wrap;gap:3px}.toc strong{width:100%}}@media(max-width:680px){.container{width:100%;padding:0 16px}.main{padding:20px 0 45px}.hero-inner{padding:27px 0}.hero h1{font-size:28px}.auth-card{padding:25px 22px}.auth-aside{display:none}.about-intro,.contact-layout{grid-template-columns:1fr}.about-intro{padding:25px 22px;gap:19px}.features{grid-template-columns:1fr}.manifesto{display:block}.manifesto .btn{margin-top:16px}.contact-info,.contact-form{padding:24px 21px}.form-grid{grid-template-columns:1fr}.service-section{padding:23px 22px}.footer-inner{display:block}.footer-links{margin-top:10px}.header-actions{gap:11px}}