:root{--walnut:#3E2723;--walnut-light:#5D4037;--walnut-mid:#8D6E63;--cream:#F5F0EB;--cream-dark:#E8DDD3;--white:#FFFFFF;--text:#2C2416;--text-light:#6B5E52;--gold:#B8976A;--max-width:1200px;}*{margin:0;padding:0;box-sizing:border-box;}html{scroll-behavior:smooth;}body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--white);line-height:1.8;font-size:16px;}nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--cream-dark);padding:0 24px;}.nav-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px;}.nav-brand{font-size:20px;font-weight:700;color:var(--walnut);letter-spacing:2px;text-decoration:none;}.nav-links{display:flex;gap:32px;list-style:none;}.nav-links a{text-decoration:none;color:var(--text-light);font-size:14px;transition:color 0.2s;}.nav-links a:hover{color:var(--walnut);}.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;width:36px;height:36px;justify-content:center;}.nav-toggle span{display:block;width:24px;height:2px;background:var(--walnut);transition:all 0.3s;border-radius:1px;}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}.nav-toggle.open span:nth-child(2){opacity:0;}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}.nav-mobile{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);z-index:99;padding:24px;flex-direction:column;gap:8px;}.nav-mobile.active{display:flex;}.nav-mobile a{display:block;padding:16px 8px;font-size:17px;color:var(--walnut);text-decoration:none;border-bottom:1px solid var(--cream-dark);letter-spacing:1px;}.page-header{margin-top:64px;padding:80px 24px 48px;background:var(--cream);text-align:center;}.page-header h1{font-size:clamp(24px,4vw,36px);font-weight:300;color:var(--walnut);letter-spacing:3px;margin-bottom:12px;}.page-header p{font-size:16px;color:var(--text-light);max-width:600px;margin:0 auto;}.faq-search{max-width:600px;margin:0 auto 40px;padding:0 24px;}.faq-search input{width:100%;padding:14px 20px;border:1px solid var(--cream-dark);border-radius:2px;font-size:15px;color:var(--text);background:var(--white);font-family:inherit;}.faq-search input:focus{outline:none;border-color:var(--walnut-mid);}.faq-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:var(--max-width);margin:0 auto 48px;padding:0 24px;}.faq-tab{padding:10px 20px;border:1px solid var(--cream-dark);border-radius:2px;background:var(--white);color:var(--text-light);font-size:14px;cursor:pointer;transition:all 0.2s;font-family:inherit;letter-spacing:1px;}.faq-tab:hover{border-color:var(--walnut-mid);color:var(--walnut);}.faq-tab.active{background:var(--walnut);color:var(--cream);border-color:var(--walnut);}.faq-container{max-width:var(--max-width);margin:0 auto;padding:0 24px 80px;}.faq-category-title{font-size:20px;font-weight:500;color:var(--walnut);margin:48px 0 24px;padding-bottom:12px;border-bottom:1px solid var(--cream-dark);letter-spacing:1px;}.faq-item{border-bottom:1px solid var(--cream-dark);margin-bottom:0;}.faq-question{width:100%;padding:20px 0;background:none;border:none;text-align:left;font-size:16px;font-weight:500;color:var(--walnut);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:inherit;gap:16px;letter-spacing:0.5px;}.faq-question:hover{color:var(--walnut-light);}.faq-question .arrow{font-size:18px;color:var(--gold);transition:transform 0.3s;flex-shrink:0;}.faq-item.open .faq-question .arrow{transform:rotate(180deg);}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.4s ease;font-size:15px;color:var(--text-light);line-height:2;}.faq-item.open .faq-answer{max-height:2000px;padding-bottom:24px;}.faq-answer table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;}.faq-answer table td,.faq-answer table th{border:1px solid var(--cream-dark);padding:10px 14px;text-align:left;}.faq-answer table th{background:var(--cream);color:var(--walnut);font-weight:600;}.faq-answer strong{color:var(--walnut);}.faq-no-result{text-align:center;padding:48px 24px;color:var(--text-light);font-size:15px;display:none;}.faq-cta{text-align:center;padding:60px 24px;background:var(--cream);margin-top:40px;}.faq-cta h3{font-size:20px;color:var(--walnut);margin-bottom:12px;font-weight:500;}.faq-cta p{color:var(--text-light);margin-bottom:24px;font-size:15px;}.faq-cta a{display:inline-block;padding:14px 48px;background:var(--walnut);color:var(--white);text-decoration:none;border-radius:2px;font-size:15px;letter-spacing:2px;transition:background 0.2s;}.faq-cta a:hover{background:var(--walnut-light);}footer{background:#1A1210;color:rgba(255,255,255,0.4);padding:48px 24px;text-align:center;font-size:13px;}footer .brand{color:var(--cream);font-size:18px;font-weight:700;letter-spacing:2px;margin-bottom:12px;}footer a{color:rgba(255,255,255,0.5);text-decoration:none;}.breadcrumb{max-width:var(--max-width);margin:0 auto;padding:24px 24px 0;font-size:13px;color:var(--text-light);}.breadcrumb a{color:var(--walnut-mid);text-decoration:none;}.breadcrumb a:hover{color:var(--walnut);}@media (max-width:768px){.nav-links{display:none;}.nav-toggle{display:flex;}nav{padding:0 16px;}.nav-inner{height:56px;}.nav-brand{font-size:18px;}.page-header{margin-top:56px;padding:48px 16px 32px;}.faq-tabs{gap:8px;}.faq-tab{padding:8px 14px;font-size:13px;}.faq-question{font-size:15px;padding:16px 0;}footer{padding:36px 16px;}.faq-answer table{font-size:13px;}.faq-answer table td,.faq-answer table th{padding:8px 10px;}}