:root{--bg:#f6f8fb;--panel:#fff;--ink:#172033;--muted:#617089;--line:#d9e1ec;--primary:#0f766e;--primary-dark:#115e59;--accent:#d97706;--soft:#e8f3f1;--blue-soft:#eaf1fb;--shadow:0 18px 50px rgba(23,32,51,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;display:grid;grid-template-columns:1fr auto auto;align-items:center;grid-gap:28px;gap:28px;padding:16px clamp(18px,4vw,56px);border-bottom:1px solid rgba(217,225,236,.85);background:rgba(246,248,251,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:12px;min-width:190px}.brand-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:8px;background:var(--primary);color:#fff;font-weight:800}.brand small,.brand strong{display:block}.brand small{font-size:12px}.brand small,nav{color:var(--muted)}nav{display:flex;gap:18px;font-size:14px}.footer-links a:hover,nav a:hover{color:var(--primary)}.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:8px;padding:10px 18px;font-weight:700;transition:.18s ease}.button-primary{background:var(--primary);color:#fff}.button-primary:hover{background:var(--primary-dark)}.button-secondary{border-color:var(--line);background:#fff;color:var(--ink)}.button-secondary:hover{border-color:var(--primary);color:var(--primary)}.button-ghost{color:var(--primary)}.hero,.job-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);grid-gap:clamp(28px,5vw,72px);gap:clamp(28px,5vw,72px);align-items:center;min-height:calc(100vh - 74px);padding:clamp(56px,8vw,100px) clamp(18px,4vw,56px);border-bottom:1px solid var(--line)}.hero-copy,.job-hero>div:first-child{max-width:760px}.eyebrow{margin-bottom:10px;color:var(--primary);font-size:14px;font-weight:800}h1{margin-bottom:22px;font-size:clamp(40px,6vw,72px);line-height:1.08}h1,h2{letter-spacing:0}h2{margin-bottom:14px;font-size:clamp(28px,4vw,44px);line-height:1.18}h3{margin-bottom:10px;font-size:20px;line-height:1.3}.hero-copy>p:not(.eyebrow),.job-hero>div:first-child>p:not(.eyebrow),.section-title p{color:var(--muted);font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px;max-width:620px;margin:34px 0 0}.hero-metrics div{padding:18px;border:1px solid var(--line);border-radius:8px;background:#fff}.hero-metrics dt{font-size:26px;font-weight:800}.hero-metrics dd{margin:0;color:var(--muted)}.hero-board,.job-panel{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.hero-board{padding:20px}.board-row,.board-top{display:flex;justify-content:space-between;gap:16px}.board-top{margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}.board-row em,.board-top span{color:var(--muted);font-style:normal}.board-row{margin-top:12px;padding:18px;border-radius:8px;background:var(--blue-soft)}.board-row:nth-child(odd){background:var(--soft)}.section{padding:clamp(54px,7vw,92px) clamp(18px,4vw,56px)}.muted{background:#fff}.section-title{max-width:820px;margin-bottom:30px}.audience-grid,.rules-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:18px;gap:18px}.compact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px}.direction-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:18px;gap:18px}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:18px;gap:18px}.audience-grid div,.case-grid article,.compact-grid article,.direction-card,.exam-card,.intro-grid p,.process-step,.rules-grid article{border:1px solid var(--line);border-radius:8px;background:#fff;padding:22px}.direction-card{display:flex;min-height:310px;flex-direction:column}.compact-grid span,.direction-card>span,.process-step span{color:var(--accent);font-size:13px;font-weight:800}.case-grid p,.compact-grid p,.direction-card p,.exam-card p,.intro-grid p,.process-step p,.rules-grid p{color:var(--muted)}.case-grid p{margin-bottom:0}.direction-card ul{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0;padding:0;list-style:none}.direction-card strong{margin-top:auto}.direction-card li,.keyword-row span{border-radius:8px;background:var(--soft);padding:7px 10px;color:var(--primary-dark);font-size:13px;font-weight:700}.process-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px}.split,.two-column{display:grid;grid-template-columns:minmax(0,.85fr) minmax(320px,1.15fr);grid-gap:clamp(24px,5vw,56px);gap:clamp(24px,5vw,56px);align-items:start}.exam-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.exam-card{display:flex;min-height:220px;flex-direction:column;align-items:flex-start}.exam-card .button{margin-top:auto}.featured{min-height:260px;gap:12px}.check-list,.note-list{margin:0;padding-left:20px;color:var(--muted)}.check-list li,.note-list li{margin-bottom:10px}.intro-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:18px;gap:18px}.faq-list{display:grid;grid-gap:12px;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:8px;background:#fff;padding:18px 20px}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{margin:14px 0 0;color:var(--muted)}.job-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px;padding:22px}.job-panel span{min-height:110px;border-radius:8px;background:var(--soft);padding:20px;font-size:20px;font-weight:800}.keyword-row{gap:10px}.keyword-row,.standard-row{display:flex;flex-wrap:wrap}.standard-row{gap:12px}.standard-row span{border:1px solid var(--line);border-radius:8px;background:#fff;padding:12px 16px;color:var(--primary-dark);font-weight:800}.note-box{margin-top:22px;border-left:4px solid var(--primary);background:#fff;padding:18px 20px}.note-box p:last-child{margin-bottom:0}.bottom-cta{margin:clamp(36px,6vw,72px) clamp(18px,4vw,56px);border-radius:8px;background:var(--ink);padding:clamp(34px,6vw,64px);color:#fff}.bottom-cta p{max-width:680px;color:hsla(0,0%,100%,.76)}.site-footer{display:flex;justify-content:space-between;gap:28px;padding:34px clamp(18px,4vw,56px);border-top:1px solid var(--line);color:var(--muted)}.site-footer strong{color:var(--ink)}.site-footer p{max-width:620px;margin-bottom:0}.beian{margin-top:10px;font-size:13px}.footer-links{display:flex;flex-wrap:wrap;gap:14px;align-content:flex-start}@media (max-width:980px){.site-header{grid-template-columns:1fr auto}.site-header nav{display:none}.hero,.job-hero,.split,.two-column{grid-template-columns:1fr}.case-grid,.direction-grid,.intro-grid,.rules-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.audience-grid,.process-grid{grid-template-columns:1fr}}@media (max-width:640px){.site-header{padding:12px 16px}.brand small,.site-header .button{display:none}h1{font-size:38px}.hero,.job-hero{min-height:auto;padding-top:44px}.case-grid,.compact-grid,.direction-grid,.exam-grid,.hero-metrics,.intro-grid,.job-panel,.rules-grid{grid-template-columns:1fr}.site-footer{flex-direction:column}}