:root{--blue:#1769df;--blue-dark:#1058c0;--ink:#183451;--strong:#112c49;--muted:#60758b;--line:#e0eaf5;--soft:#f5f9ff;--motion:220ms;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:130px;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#cad6e4 transparent}body{margin:0;background:#fff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed;opacity:.55}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{color:var(--strong);line-height:1.4;letter-spacing:-.02em;font-weight:650}p{color:var(--muted)}ul{padding:0;margin:0;list-style:none}img{max-width:100%}svg.icon{width:21px;height:21px;flex:none;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}a,button,input,textarea,select,summary{transition:color var(--motion),background-color var(--motion),border-color var(--motion),box-shadow var(--motion)}:focus-visible{outline:3px solid #90b8ef;outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(1180px,calc(100% - 48px));margin-inline:auto}.skip{position:fixed;left:20px;top:-80px;padding:10px 18px;background:#fff;z-index:200;border:1px solid var(--blue);border-radius:9px}.skip:focus{top:12px}
.hero{background:radial-gradient(ellipse at 88% 5%,#dbeaff80,transparent 42%),linear-gradient(180deg,#f7faff,#fff);text-align:center;padding:44px 0 32px;position:relative}.eyebrow{font-size:12px;font-weight:650;letter-spacing:.17em;color:var(--blue);margin-bottom:17px}.hero h1{font-size:clamp(34px,3.3vw,46px);font-weight:700;line-height:1.25}.hero .lead{max-width:650px;margin:23px auto 0;font-size:16px;line-height:1.95;text-wrap:pretty}.hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:27px}.hero-tags span{font-size:13px;border:1px solid #dbe7f4;border-radius:99px;padding:4px 13px;background:#ffffffb8;color:#546d86}.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:9px 20px;border:1px solid #c9dcf0;border-radius:10px;background:#fff;color:var(--blue);font-size:14px;font-weight:600;line-height:1.6;white-space:nowrap}.button:hover{background:#edf4ff;border-color:#a9c8ed}.button.primary{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 4px 12px #1769df12}.button.primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.button.subtle{color:var(--muted);border-color:var(--line)}.button .icon{width:17px;height:17px}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:14px;font-weight:600;background:none;border:0;padding:0;min-height:34px}.text-link .icon{width:17px;height:17px}.text-link:hover{color:var(--blue-dark)}
.section-nav{position:sticky;top:52px;z-index:50;background:#ffffffed;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.section-nav .wrap{display:flex;justify-content:center;gap:34px;overflow-x:auto;scrollbar-width:none}.section-nav a{font-size:14px;color:var(--muted);padding:17px 3px 15px;white-space:nowrap;border-bottom:2px solid transparent}.section-nav a[aria-current=location]{color:var(--blue);border-color:var(--blue);font-weight:600}.section-nav a:hover{color:var(--blue)}
.section{padding:66px 0}.section.soft{background:var(--soft);border-block:1px solid #edf2f8}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:30px}.section-head h2{font-size:28px}.section-head p{max-width:620px;font-size:15px;margin-top:10px;line-height:1.85}.section-head .eyebrow{font-size:11px;letter-spacing:.11em;margin-bottom:8px}.grid{display:grid;gap:20px;align-items:stretch}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;min-width:0;display:flex;flex-direction:column}.lift{transition:transform var(--motion) cubic-bezier(.2,.75,.25,1),box-shadow var(--motion),border-color var(--motion)}@media(hover:hover){.lift:hover{transform:translateY(-5px);border-color:#bcd4ef;box-shadow:0 16px 35px #1b56950d}}.lift:focus-within{border-color:#b0cdec;box-shadow:0 8px 28px #1b56950d}.icon-box{width:46px;height:46px;border-radius:12px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;margin-bottom:22px}.card h3{font-size:20px}.card>p{font-size:14px;line-height:1.85;margin-top:12px}.card .text-link{margin-top:22px}.card .push{margin-top:auto;padding-top:24px}.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}.tag{font-size:12px;padding:3px 10px;border-radius:6px;color:#5c7692;background:#f0f5fb;border:1px solid #e8eff7}.platform-intro{padding:32px 36px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(110deg,#f7fbff,#fff);margin-bottom:22px}.platform-intro p{max-width:940px;line-height:2;font-size:16px;color:#526d86}.platform-intro strong{color:var(--strong);font-weight:600}.platform-steps{margin-top:32px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:14px;background:#fff}.platform-steps li{padding:20px 24px;position:relative}.platform-steps li+li{border-left:1px solid var(--line)}.platform-steps small{color:#8498ad;font-size:12px}.platform-steps h3{font-size:16px;margin-top:5px}.platform-steps p{font-size:13px;margin-top:5px}.team-card{padding:27px 30px}.team-top{display:flex;align-items:center;gap:16px;margin-bottom:6px}.avatar{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;flex:none;font-size:17px;font-weight:650;color:var(--blue);background:linear-gradient(135deg,#eaf3ff,#f5f9ff);border:1px solid #dbe8f6}.team-top h3{font-size:18px}.team-role{color:#72869b;font-size:13px;margin-top:3px}.team-card p{font-size:14px;line-height:1.9}.join-strip{margin-top:24px;padding:24px 28px;display:flex;gap:24px;align-items:center;justify-content:space-between;border:1px solid #dbe7f4;border-radius:16px;background:#fff}.join-strip h3{font-size:18px}.join-strip p{font-size:14px;margin-top:6px}.recruit-list{margin-top:20px;padding-top:16px;border-top:1px solid #edf2f8;display:grid;gap:8px;color:#60758b;font-size:14px}.recruit-list li{display:flex;gap:9px;align-items:center}.dot{width:4px;height:4px;background:#8cb0dd;border-radius:50%;flex:none}.recruit-card .button{margin-top:auto;align-self:flex-start}.recruit-card .actions{margin-top:auto;padding-top:25px}
.feedback-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px}.choice-row{display:flex;flex-wrap:wrap;gap:10px;border:0;padding:0;margin:0 0 26px}.choice-row legend{font-size:14px;color:var(--strong);font-weight:600;margin-bottom:12px}.choice{position:relative}.choice input{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.choice span{display:block;border:1px solid var(--line);background:#fff;padding:8px 17px;border-radius:9px;font-size:14px;color:var(--muted);pointer-events:none;transition:background .18s,border-color .18s,color .18s}.choice input:checked+span{background:#eaf3ff;color:var(--blue);border-color:#97bce9}.choice input:focus-visible+span{outline:3px solid #90b8ef;outline-offset:3px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.field{display:block;font-size:14px;font-weight:550;color:#526c86;min-width:0}.field.full{grid-column:1/-1}.field small{font-size:12px;font-weight:400;color:#8392a2;margin-left:6px}.field input,.field textarea,.field select{display:block;margin-top:9px;width:100%;border:1px solid #d9e5f1;border-radius:10px;background:#fcfdff;color:var(--ink);padding:11px 14px;min-height:46px;font-size:14px;font-weight:400;line-height:1.7;outline:none}.field textarea{resize:vertical;min-height:124px}.field input:focus,.field textarea:focus,.field select:focus{border-color:#8db4e6;box-shadow:0 0 0 3px #1769df0b;background:#fff}.field input::placeholder,.field textarea::placeholder{color:#8293a5}.form-actions{display:flex;align-items:center;gap:22px;justify-content:space-between;margin-top:24px}.form-actions p{font-size:13px;max-width:690px}.form-status{font-size:13px;margin-top:15px;color:#567b70}.preview-status{font-size:12px;color:#8293a5}.notice{padding:15px 19px;border-radius:12px;border:1px solid #e0eaf5;background:#f6f9fd;font-size:13px;line-height:1.85;color:#637c96;margin-top:22px}
.plan-grid{margin-top:10px}.plan-card{padding:29px 28px;position:relative;box-shadow:0 8px 24px #1b487406}.plan-card.featured{border-color:#9dbee9;background:linear-gradient(160deg,#f2f7ff,#fff 42%)}.plan-kicker{font-size:12px;letter-spacing:.08em;color:#6b849f;margin-bottom:12px}.plan-card h3{font-size:23px}.plan-price{font-size:29px;font-weight:650;color:var(--strong);line-height:1.5;margin-top:20px}.plan-price small{font-size:13px;font-weight:400;color:var(--muted);margin-left:5px}.plan-card>p{margin-top:9px;min-height:52px}.plan-list{margin-top:24px;border-top:1px solid var(--line);padding-top:21px;display:grid;gap:14px;color:#546d86;font-size:14px}.plan-list li{display:flex;align-items:flex-start;gap:10px}.plan-list .icon{width:17px;height:17px;color:#4a85c6;margin-top:4px}.plan-action{margin-top:auto;padding-top:29px}.plan-action .button{width:100%}.plan-foot{font-size:12px;text-align:center;margin-top:11px;color:#7c90a6}.plan-badge{position:absolute;top:28px;right:26px;display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;background:#e3efff;color:var(--blue)}.feature-card .mini{font-size:13px;margin-top:18px;padding-top:15px;border-top:1px solid #edf2f8;color:#627c97}.comparison{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.table-scroll{overflow-x:auto}.comparison table{width:100%;min-width:740px;border-collapse:collapse;text-align:left;font-size:14px}.comparison th{font-size:14px;font-weight:600;color:#294764;background:#f7faff;padding:18px 24px}.comparison td{padding:17px 24px;border-top:1px solid #edf2f8;color:#647b93}.comparison th:first-child,.comparison td:first-child{width:24%;color:var(--strong)}.comparison .yes{color:#448174}.comparison .accent{color:var(--blue);font-weight:500}.table-note{padding:17px 24px;border-top:1px solid var(--line);font-size:13px;color:#70859b}.usage-steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.usage-step{padding:24px 0;counter-increment:step}.usage-step:before{content:'0' counter(step);font-size:13px;font-weight:600;color:#7d9abc;display:block;margin-bottom:18px}.usage-step h3{font-size:20px}.usage-step p{font-size:14px;line-height:1.9;margin-top:12px}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:0 4px}.faq summary{cursor:pointer;font-size:16px;font-weight:550;color:var(--ink);padding:22px 0;list-style:none;display:flex;justify-content:space-between;gap:22px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';font-size:22px;color:#8aa0b8;font-weight:400;line-height:1.3}.faq details[open] summary:after{content:'−'}.faq details p{font-size:14px;line-height:1.95;max-width:880px;margin-bottom:24px}.cta-band{padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid #d6e4f5;border-radius:18px;background:linear-gradient(120deg,#ecf4ff,#f7fbff)}.cta-band h2{font-size:25px}.cta-band p{margin-top:8px;font-size:14px}.cta-band .button{flex:none}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:30px 0;color:var(--muted)}.footer-row{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-brand{font-weight:600;font-size:14px;color:#4c6682}.footer-row small{display:block;font-size:12px;color:#8092a5;margin-top:4px}.footer-links{display:flex;gap:24px;font-size:13px}.footer-links a:hover{color:var(--blue)}
dialog{border:1px solid var(--line);border-radius:20px;padding:0;width:min(620px,calc(100vw - 32px));max-height:calc(100dvh - 60px);background:#fff;color:var(--ink);box-shadow:0 24px 90px #142c4933}dialog::backdrop{background:#162d4a66;backdrop-filter:blur(3px)}.dialog-head{position:sticky;top:0;background:#fff;padding:24px 28px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);z-index:1}.dialog-head h2{font-size:22px}.dialog-close{width:36px;height:36px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#6a8098;display:grid;place-items:center}.dialog-content{padding:25px 28px 28px}.dialog-content>p{font-size:14px;margin-bottom:22px}.dialog-content .field-grid{gap:17px}.dialog-content .field textarea{min-height:95px}.dialog-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:25px}.selection-list{display:grid;gap:12px;margin:0 0 25px}.selection{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:12px;padding:16px;background:#fcfdff}.selection:has(input:checked){border-color:#93b7e6;background:#f1f6ff}.selection input{margin:5px 0 0;accent-color:var(--blue);width:17px;height:17px;flex:none}.selection strong{font-size:15px;font-weight:600;color:var(--strong);display:block}.selection small{display:block;margin-top:5px;font-size:13px;color:var(--muted);line-height:1.75}.summary-output{border:1px solid var(--line);border-radius:12px;background:#f7faff;white-space:pre-wrap;overflow-wrap:anywhere;color:#526d86;font-size:14px;line-height:1.9;padding:20px;margin-top:18px;max-height:280px;overflow:auto}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:100;background:#183451;color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;max-width:calc(100% - 32px);box-shadow:0 10px 30px #18345125}
.section-head.wide>div{width:100%}.section-head.wide p{max-width:none;text-wrap:pretty}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236a8098' stroke-width='1.6'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;background-size:20px;padding-right:42px}
.select-control{margin-top:9px;position:relative;min-width:0}.select-trigger{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:12px;width:100%;min-height:46px;border:1px solid #d9e5f1;border-radius:10px;background:#fcfdff;color:var(--ink);padding:11px 14px;font-size:14px;font-weight:400;line-height:1.7;text-align:left;white-space:nowrap}.select-value{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.select-trigger .icon{width:18px;height:18px;flex:none;color:#6a8098;transition:transform .2s}.select-trigger:hover{border-color:#a4c3e8;background:#fff}.select-trigger[aria-expanded=true]{border-color:#8db4e6;background:#fff;box-shadow:0 0 0 3px #1769df0b}.select-trigger[aria-expanded=true] .icon{transform:rotate(180deg)}.select-trigger[aria-invalid=true]{border-color:#c96e66}.select-menu{position:fixed;inset:auto;margin:0;padding:6px;border:1px solid #d4e2f1;border-radius:12px;background:#fff;color:var(--ink);box-shadow:0 12px 34px #18345122;overflow-y:auto;overscroll-behavior:contain;z-index:150;scrollbar-width:thin}.select-option{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:41px;padding:9px 12px;border:0;border-radius:7px;background:transparent;color:#536d87;font-size:14px;font-weight:400;line-height:1.6;text-align:left;white-space:nowrap}.select-option:hover,.select-option.active{background:#f0f5fc;color:var(--blue)}.select-option[aria-selected=true]{background:#eaf3ff;color:var(--blue);font-weight:550}.select-option[aria-selected=true]:after{content:'✓';font-size:14px;color:var(--blue)}
.form-section{border:0;padding:0;margin:27px 0}.form-section legend,.selection-list legend{display:block;width:100%;padding:0 0 13px;font-size:16px;color:var(--strong);font-weight:600}.form-section legend{border-bottom:1px solid #edf2f8;margin-bottom:18px}.selection-list{border:0;padding:0;margin:24px 0}.form-consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#71869d;line-height:1.8;margin-top:25px}.form-consent input{margin:5px 0 0;width:16px;height:16px;flex:none;accent-color:var(--blue)}.summary-actions{display:flex;gap:10px;flex-wrap:wrap}.dialog-intro{font-size:14px;color:var(--muted);line-height:1.9}.dialog-content .field-grid{align-items:start}
@media(max-width:1080px){.lab-name{display:none}.header-row{gap:12px}.nav a{padding-inline:9px}.grid.three{gap:15px}.card{padding:24px}.plan-price{font-size:25px}.plan-badge{top:23px;right:19px}}@media(max-width:850px){.brand-group .lab{display:none}.menu-toggle{display:flex;margin-left:auto}.header-login{margin-left:0}.nav{display:none;position:absolute;top:60px;right:24px;min-width:220px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px #18345118}.nav.open{display:flex;flex-direction:column;align-items:stretch}.nav a{padding:12px 16px}.nav a+a:before,.nav a[aria-current=page]:after{display:none}.nav a[aria-current=page]{background:#edf4ff;border-radius:7px}.grid.three{grid-template-columns:1fr}.plan-card>p{min-height:0}.plan-list{grid-template-columns:repeat(2,minmax(0,1fr))}.plan-action{padding-top:24px}.plan-action .button{width:auto;min-width:180px}.plan-foot{text-align:left}.platform-steps{grid-template-columns:repeat(2,1fr)}.platform-steps li:nth-child(3){border-left:0;border-top:1px solid var(--line)}.platform-steps li:nth-child(4){border-top:1px solid var(--line)}.usage-steps{gap:22px}.section-head{align-items:flex-start}.section-head> .text-link{display:none}.section{padding:52px 0}.hero{padding:38px 0 28px}}@media(max-width:560px){.wrap{width:calc(100% - 36px)}.hero{padding:30px 0 24px}.hero .lead{font-size:15px;margin-top:18px}.hero h1{font-size:34px}.hero-tags{gap:6px;margin-top:22px}.hero-tags span{font-size:12px;padding-inline:10px}.section-nav .wrap{justify-content:flex-start;gap:23px}.section-nav a{font-size:13px;padding-block:14px 12px}.section-head{margin-bottom:24px}.section-head h2{font-size:25px}.section-head p{font-size:14px}.section{padding:43px 0}.grid.two{grid-template-columns:1fr}.card,.team-card{padding:24px}.platform-intro{padding:24px}.platform-intro p{font-size:15px}.platform-steps li{padding:17px 18px}.platform-steps h3{font-size:15px}.join-strip,.cta-band{padding:24px;flex-direction:column;align-items:flex-start;gap:20px}.feedback-panel{padding:23px}.field-grid{grid-template-columns:1fr;gap:18px}.form-actions{flex-direction:column;align-items:flex-start;gap:17px}.choice-row{gap:8px}.choice span{font-size:13px;padding:7px 11px}.plan-list{grid-template-columns:1fr}.plan-card h3{font-size:22px}.plan-action .button{width:100%}.plan-foot{text-align:center}.usage-steps{grid-template-columns:1fr;gap:0}.usage-step{padding-block:20px;border-bottom:1px solid var(--line)}.usage-step:last-child{border:0}.usage-step:before{margin-bottom:10px}.usage-step h3{font-size:18px}.faq summary{font-size:15px;padding-block:20px}.footer-row{flex-direction:column;align-items:flex-start;gap:20px}.footer-links{gap:19px;flex-wrap:wrap}.dialog-head{padding:21px}.dialog-content{padding:22px}.dialog-head h2{font-size:20px}.dialog-actions .button{padding-inline:15px}.table-note{padding:16px 19px}.comparison th,.comparison td{padding:15px 20px}.header-login{font-size:12px;padding-inline:11px}}
.platform-steps{list-style:none;padding:0}
.submit-actions{display:flex;align-items:center;gap:10px;flex-wrap:nowrap}.storage-note{font-size:12px;line-height:1.8;color:#8193a6;margin-top:12px}.required-mark{font-weight:500;color:#b56760;margin-left:3px}.resume-field input[type=file]{padding:9px 10px;background:#f8fbff;font-size:13px}.resume-field input[type=file]::file-selector-button{margin-right:12px;border:1px solid #c9dcf0;border-radius:7px;background:#fff;color:var(--blue);padding:7px 12px;font:inherit;cursor:pointer}.file-detail{display:flex;gap:16px;justify-content:space-between;align-items:center;margin-top:9px;font-size:12px;line-height:1.8;color:#7b8fa4}.file-detail>span{overflow-wrap:anywhere;min-width:0}.file-detail .text-link{font-size:12px;flex:none}.dialog-actions{position:sticky;bottom:0;padding:14px 0;background:#fff;z-index:2;border-top:1px solid #edf2f8}.form-status{overflow-wrap:anywhere}@media(max-width:560px){.dialog-actions{bottom:0}.submit-actions{width:100%;justify-content:flex-end}.dialog-actions .button{min-width:72px;padding-inline:13px}}
.mentor-card .team-top{gap:20px;margin-bottom:0}.mentor-photo{width:72px;height:88px;flex:none;display:grid;place-items:center;border:1px dashed #cadbed;border-radius:13px;background:linear-gradient(145deg,#edf4fc,#f8fbff);color:#8198af;font-size:13px}.mentor-facts{display:grid;gap:13px;margin:24px 0 0;padding-top:21px;border-top:1px solid #edf2f8;font-size:14px}.mentor-facts>div{display:grid;grid-template-columns:118px minmax(0,1fr);gap:12px}.mentor-facts dt{color:#60758b}.mentor-facts dd{margin:0;color:#899aad;overflow-wrap:anywhere}@media(max-width:560px){.mentor-card .team-top{gap:15px}.mentor-photo{width:62px;height:78px}.mentor-facts>div{grid-template-columns:110px minmax(0,1fr);gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.lift:hover{transform:none}}

@media(max-width:1080px){.section-nav{top:50px}}