@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;background:#f5f5f5;color:#333;min-height:100vh;display:flex;flex-direction:column}

/* ===== HEADER ===== */
.header{background:#c7000b}
.header-inner{max-width:1200px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between}
.header-left{display:flex;align-items:center;gap:16px;text-decoration:none}
.header-icon{width:48px;height:48px;flex-shrink:0}
.header-title h1{color:#fff;font-size:1.45rem;font-weight:700;letter-spacing:0.06em}
.header-title p{color:rgba(255,255,255,0.7);font-size:0.68rem;letter-spacing:0.12em;margin-top:2px}
.header-right{display:flex;align-items:center;gap:10px}
.btn-login{color:#fff;text-decoration:none;font-size:0.88rem;padding:7px 18px;border:1px solid rgba(255,255,255,0.6);border-radius:2px;transition:all 0.2s}
.btn-login:hover{background:rgba(255,255,255,0.15)}
.btn-register{color:#c7000b;background:#fff;text-decoration:none;font-size:0.88rem;padding:7px 18px;border-radius:2px;font-weight:500;transition:all 0.2s}
.btn-register:hover{background:#f5f5f5}
.user-info{color:#fff;font-size:0.88rem;display:flex;align-items:center;gap:12px}
.user-info span{opacity:0.9}
.btn-logout{color:rgba(255,255,255,0.75);background:none;border:1px solid rgba(255,255,255,0.4);padding:5px 12px;border-radius:2px;cursor:pointer;font-size:0.82rem;font-family:inherit;transition:all 0.2s}
.btn-logout:hover{color:#fff;border-color:rgba(255,255,255,0.8)}

/* ===== NAV ===== */
.nav-bar{background:#a50009}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex}
.nav-item{padding:10px 18px;color:rgba(255,255,255,0.85);font-size:0.87rem;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;text-decoration:none;display:block;transition:all 0.2s}
.nav-item:hover,.nav-item.active{color:#fff;border-bottom-color:#fff;background:rgba(255,255,255,0.08)}

/* ===== FOOTER ===== */
.site-footer{background:#a50009;margin-top:auto}
.footer-links{border-bottom:1px solid rgba(255,255,255,0.15);padding:16px 20px}
.footer-links-inner{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:center}
.footer-links-inner a{color:#e8dcc8;text-decoration:none;font-size:0.78rem;padding:5px 14px;border-right:1px solid rgba(255,255,255,0.2);white-space:nowrap;transition:color 0.2s;letter-spacing:0.02em}
.footer-links-inner a:last-child{border-right:none}
.footer-links-inner a:hover{color:#fff}
.footer-copy{padding:13px 20px;text-align:center}
.footer-copy-inner{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:5px;align-items:center}
.footer-copy-main{color:#e8dcc8;font-size:0.8rem;letter-spacing:0.05em}
.footer-copy-main span{color:rgba(232,220,200,0.4);margin:0 10px}
.footer-icp{font-size:0.7rem}
.footer-icp a{color:rgba(232,220,200,0.55);text-decoration:none;letter-spacing:0.03em}
.footer-icp a:hover{color:#e8dcc8}

/* ===== PAGE HERO ===== */
.page-hero{background:#c7000b;padding:32px 20px}
.page-hero-inner{max-width:1200px;margin:0 auto}
.page-hero h2{color:#fff;font-size:1.3rem;font-weight:700;letter-spacing:0.05em}
.page-hero p{color:rgba(255,255,255,0.8);font-size:0.85rem;margin-top:6px}

/* ===== FORM PAGES ===== */
.page-body{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px 60px}
.form-card{background:#fff;border:1px solid #e8e8e8;border-radius:3px;box-shadow:0 2px 12px rgba(0,0,0,0.07);width:100%;max-width:440px;overflow:hidden}
.form-card-head{background:#c7000b;padding:20px 28px}
.form-card-head h2{color:#fff;font-size:1.15rem;font-weight:700;letter-spacing:0.05em}
.form-card-head p{color:rgba(255,255,255,0.75);font-size:0.78rem;margin-top:4px}
.form-body{padding:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:0.82rem;color:#555;margin-bottom:6px;font-weight:500}
.field input{width:100%;border:1px solid #ddd;border-radius:2px;padding:11px 14px;font-size:0.9rem;font-family:inherit;color:#333;background:#fafafa;outline:none;transition:border-color 0.2s}
.field input:focus{border-color:#c7000b;background:#fff}
.pw-wrap{display:flex}
.pw-wrap input{flex:1;border-radius:2px 0 0 2px;border-right:none}
.pw-wrap input:focus{border-color:#c7000b;background:#fff}
.pw-toggle{background:#fafafa;border:1px solid #ddd;border-left:none;border-radius:0 2px 2px 0;padding:0 14px;cursor:pointer;color:#aaa;font-size:1rem;display:flex;align-items:center;transition:all 0.2s}
.pw-toggle:hover{color:#666;background:#f0f0f0}
.field-row{display:flex;gap:10px}
.field-row input{flex:1}
.btn-send-code{background:#c7000b;color:#fff;border:none;padding:11px 14px;font-size:0.82rem;font-family:inherit;border-radius:2px;cursor:pointer;white-space:nowrap;transition:background 0.2s;min-width:100px}
.btn-send-code:hover{background:#a50009}
.btn-send-code:disabled{background:#ccc;cursor:not-allowed}
.field-hint{font-size:0.72rem;color:#aaa;margin-top:4px}
.field-error{font-size:0.72rem;color:#e53935;margin-top:4px;display:none}
.field-error.active{display:block}
.btn-submit{width:100%;background:#c7000b;color:#fff;border:none;padding:13px;font-size:1rem;font-family:inherit;font-weight:500;border-radius:2px;cursor:pointer;letter-spacing:0.1em;transition:background 0.2s;margin-top:6px}
.btn-submit:hover{background:#a50009}
.btn-submit:disabled{background:#ccc;cursor:not-allowed}
.form-footer{text-align:center;margin-top:18px;font-size:0.82rem;color:#999}
.form-footer a{color:#c7000b;text-decoration:none}
.form-footer a:hover{text-decoration:underline}
.msg-bar{padding:10px 14px;border-radius:2px;font-size:0.82rem;margin-bottom:16px;display:none}
.msg-bar.error{background:#fff2f2;border:1px solid #ffd6d6;color:#c7000b;display:block}
.msg-bar.success{background:#f0fff4;border:1px solid #b2dfdb;color:#2e7d32;display:block}
.detail-hint{background:#fff8e6;border:1px solid #ffe0a0;border-radius:2px;padding:10px 14px;font-size:0.82rem;color:#8a6000;margin-bottom:16px;display:none}
.detail-hint.active{display:block}

/* ===== CONTENT PAGES ===== */
.main-content{max-width:1200px;margin:0 auto;padding:30px 20px;flex:1}
.section{background:#fff;border:1px solid #e8e8e8;border-radius:2px;margin-bottom:20px;overflow:hidden}
.section-head{background:#f9f9f9;border-bottom:1px solid #e8e8e8;padding:14px 24px;border-left:4px solid #c7000b}
.section-head h3{font-size:0.95rem;font-weight:700;color:#333;letter-spacing:0.05em}
.section-body{padding:24px}
.section-body p{font-size:0.88rem;color:#555;line-height:2;margin-bottom:12px}
.section-body p:last-child{margin-bottom:0}
.section-body h4{font-size:0.9rem;color:#333;font-weight:700;margin:16px 0 8px;padding-left:10px;border-left:3px solid #c7000b}
.tip-box{background:#fff8e6;border:1px solid #ffe0a0;border-radius:2px;padding:12px 16px;margin:12px 0;font-size:0.84rem;color:#8a6000;line-height:1.7}
.tip-box strong{color:#c7000b}
.warn-box{background:#fff2f2;border:1px solid #ffd6d6;border-radius:2px;padding:12px 16px;margin:12px 0;font-size:0.84rem;color:#c7000b;line-height:1.7}
.info-table{width:100%;border-collapse:collapse;margin:12px 0}
.info-table th{background:#f5f5f5;border:1px solid #e8e8e8;padding:10px 16px;font-size:0.82rem;color:#666;font-weight:500;text-align:left}
.info-table td{border:1px solid #e8e8e8;padding:10px 16px;font-size:0.85rem;color:#333;line-height:1.6}
.info-table tr:hover td{background:#fffbfb}
.tag{display:inline-block;background:#fff2f2;color:#c7000b;border:1px solid #ffd6d6;padding:2px 10px;border-radius:2px;font-size:0.78rem;margin:2px}

@media(max-width:900px){
  .footer-links-inner a{padding:4px 8px;font-size:0.72rem}
}