:root{--ink:#293447;--muted:#7a879a;--line:#e1e7f0;--accent:#5d74e8;--soft:#edf0ff;--bg:#f6f7fa}*{box-sizing:border-box}body{min-height:100vh;margin:0;color:var(--ink);background:radial-gradient(circle at 8% 12%,#e3e9ff 0,transparent 27%),radial-gradient(circle at 94% 80%,#dff3eb 0,transparent 30%),var(--bg);font:15px/1.7 "PingFang SC","Microsoft YaHei",system-ui,sans-serif}a{color:inherit;text-decoration:none}.contact-nav,footer{width:min(1060px,calc(100% - 42px));margin:auto}.contact-nav{height:86px;display:flex;align-items:center;justify-content:space-between}.brand{font:700 1.32rem Georgia,"Noto Serif SC",serif}.brand span{color:var(--accent)}nav{display:flex;gap:20px;color:var(--muted);font-size:.85rem}nav a:hover,footer a:hover{color:var(--accent)}.contact-page{width:min(960px,calc(100% - 42px));display:grid;grid-template-columns:.8fr 1.2fr;gap:62px;align-items:center;margin:50px auto 90px}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.15em}.contact-copy h1{margin:0 0 17px;font:500 clamp(2.7rem,5vw,4.8rem)/1.08 Georgia,"Noto Serif SC",serif;letter-spacing:-.06em}.contact-copy>p:not(.eyebrow){margin:0;color:var(--muted);font-size:1rem}.contact-tips{display:flex;gap:12px;align-items:flex-start;margin-top:34px;padding:14px;border-radius:12px;background:rgba(255,255,255,.57)}.contact-tips>span{display:grid;place-items:center;width:29px;height:29px;border-radius:9px;color:var(--accent);background:var(--soft)}.contact-tips b,.contact-tips small{display:block}.contact-tips small{color:var(--muted);font-size:.75rem}.contact-card{padding:34px;border:1px solid rgba(219,226,239,.9);border-radius:20px;background:rgba(255,255,255,.9);box-shadow:0 22px 55px rgba(48,61,87,.11);backdrop-filter:blur(9px)}.contact-card form{display:grid;gap:19px}.contact-field{display:grid;gap:7px}.contact-field label{font-size:.84rem;font-weight:800}.contact-field label em{margin-left:7px;color:var(--muted);font-size:.72rem;font-style:normal;font-weight:500}.contact-field input,.contact-field textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:10px;outline:0;background:#fff;color:var(--ink);font:inherit;transition:.18s}.contact-field textarea{min-height:150px;resize:vertical}.contact-field input:focus,.contact-field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(93,116,232,.11)}.contact-field small{color:var(--muted);font-size:.72rem}.contact-card button{display:flex;justify-content:center;align-items:center;gap:9px;width:100%;padding:13px;border:0;border-radius:10px;color:#fff;background:var(--accent);box-shadow:0 9px 17px rgba(82,104,220,.23);cursor:pointer;font-weight:800;transition:.18s}.contact-card button:hover{background:#465ed0;transform:translateY(-1px)}.contact-card button span{font-size:1.1rem}.privacy-note{margin:17px 0 0;color:var(--muted);font-size:.72rem;text-align:center}.field-error{margin:0;color:#bf5266;font-size:.75rem}.contact-success{margin:0 0 18px;padding:11px 12px;border-radius:9px;color:#287954;background:#e7f6ee;font-size:.84rem}footer{padding-bottom:32px;color:var(--muted);font-size:.73rem;text-align:center}@media(max-width:720px){.contact-nav{height:70px}.contact-page{grid-template-columns:1fr;gap:30px;margin:28px auto 58px}.contact-copy h1{font-size:3.05rem}.contact-card{padding:25px}.contact-tips{margin-top:23px}}