*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:#f2f5f3;color:#222;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:520px;margin:0 auto;padding-bottom:34px}
/* 顶栏（与绿建工具箱 category.html 同款：深绿渐变 + logo + 双行品牌 + 胶囊） */
.gb-header{background:linear-gradient(135deg,#2D5A3D,#4CAF50);color:#fff;padding:0 16px;height:60px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.gb-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;flex:0 1 auto;min-width:0}
.gb-logo img{width:44px;height:44px;flex-shrink:0}
.gb-brand{display:flex;flex-direction:column;align-items:flex-start;gap:0;line-height:1.15;min-width:0}
.gb-name{font-size:20px;font-weight:700;letter-spacing:2px;padding:0;margin:0;white-space:nowrap}
.gb-since{font-size:10px;font-weight:400;color:rgba(255,235,180,0.85);letter-spacing:1px;font-family:'Segoe UI',sans-serif;white-space:nowrap;padding:0;margin:0}
.gb-tagline{font-size:12px;color:rgba(255,255,255,0.7);background:rgba(255,255,255,0.12);padding:3px 10px;border-radius:20px;white-space:nowrap}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;flex:0 0 auto}
@media(max-width:480px){.gb-name{font-size:17px}.gb-since{display:none}.gb-tagline{display:none}}
/* 主视觉 */
.hero{background:linear-gradient(150deg,#0d9488,#0f766e);color:#fff;padding:22px 20px 26px;border-radius:0 0 20px 20px}
.badge{display:inline-block;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);color:#fff;font-size:12px;padding:4px 11px;border-radius:20px;margin-bottom:12px}
.hero h1{margin:0 0 9px;font-size:22px;line-height:1.34;font-weight:700;letter-spacing:.3px}
.hero p{margin:0;font-size:13.5px;line-height:1.65;color:rgba(255,255,255,.9)}
.facts{display:flex;gap:18px;margin-top:16px;flex-wrap:wrap}
.fact{font-size:12px;color:rgba(255,255,255,.92);display:flex;align-items:center;gap:5px}
.fact b{font-size:15px;font-weight:700}
/* 表单卡 */
.card{background:#fff;margin:-14px 12px 0;border-radius:16px;padding:20px 16px 16px;box-shadow:0 6px 22px rgba(15,60,40,.09);position:relative}
.card h2{margin:0 0 4px;font-size:15px;color:#1B5E20}
.card .sub{font-size:12px;color:#8a94a6;margin-bottom:16px;line-height:1.5}
.auto{display:none;background:#e8f5ee;color:#1B5E20;font-size:12.5px;border-radius:8px;padding:8px 12px;margin-bottom:14px;line-height:1.5}
.f{width:100%;padding:12px 13px;border:1px solid #dfe4e2;border-radius:10px;font-size:15px;margin-bottom:12px;font-family:inherit;background:#fff}
.f:focus{outline:none;border-color:#0d9488;box-shadow:0 0 0 3px rgba(13,148,136,.1)}
.f.req{border-left:4px solid #e53935}
.f.req:focus{border-left-color:#c62828}
.lb{font-size:12.5px;color:#555;margin:2px 0 8px;font-weight:600}
.lb i{color:#e53935;font-style:normal;margin-left:2px}
.hint{font-size:11.5px;color:#8a94a6;margin:-6px 0 12px 2px;line-height:1.5}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chip{padding:8px 15px;border:1px solid #dfe4e2;border-radius:20px;font-size:13.5px;color:#555;background:#fff;cursor:pointer;user-select:none;transition:all .15s}
.chip.on{background:#0d9488;border-color:#0d9488;color:#fff}
.err{display:none;background:#fdecea;color:#c62828;font-size:13px;border-radius:9px;padding:10px 13px;margin-bottom:12px;line-height:1.5}
.btn{width:100%;padding:14px;border:none;border-radius:11px;background:linear-gradient(135deg,#0d9488,#0f766e);color:#fff;font-size:16px;font-weight:700;font-family:inherit;cursor:pointer;letter-spacing:.5px}
.btn:hover{filter:brightness(1.05)}
.btn:disabled{opacity:.6;cursor:default}
.btn-ghost{width:100%;padding:12px;border:1px solid #d8ded9;border-radius:11px;background:#fff;color:#3b4a42;font-size:14.5px;font-family:inherit;cursor:pointer;margin-top:10px}
.tip{font-size:11.5px;color:#9aa5a0;margin-top:12px;line-height:1.6;text-align:center}
/* 成功态 */
.done{display:none;text-align:center;padding:24px 4px 10px}
.done .ico{font-size:46px;line-height:1}
.done .msg{font-size:14.5px;color:#333;margin:14px 0 18px;line-height:1.75}
/* 客服 */
.wx{margin:18px 12px 0;background:#fff;border-radius:16px;padding:18px 16px;text-align:center;box-shadow:0 4px 16px rgba(15,60,40,.06)}
.wx .t{font-size:13.5px;color:#3b4a42;font-weight:600;margin-bottom:4px}
.wx .d{font-size:11.5px;color:#9aa5a0;margin-bottom:12px}
.wx img{width:180px;height:180px;display:block;margin:0 auto;border-radius:10px;border:1px solid #eef1ef}
.wx .id{font-size:12.5px;color:#555;margin-top:10px}
.wx .id b{color:#0d9488}
/* 页脚 */
.foot{text-align:center;padding:22px 20px 8px;font-size:12px;color:#9aa5a0;line-height:1.9}
.foot a{color:#1B5E20;text-decoration:none;font-weight:600}
/* 分享提示浮层 */
.shade{display:none;position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:9999;padding:18px}
.shade.show{display:block}
.shade .arrow{text-align:right;font-size:44px;color:#fff;line-height:1;margin:2px 10px 8px 0}
.shade .txt{color:#fff;font-size:15px;line-height:1.9;text-align:center;margin-top:8px}
.shade .txt b{color:#7ce0c8}
.loading{text-align:center;padding:60px 20px;color:#8a94a6;font-size:13.5px}