/* =============================================
   护戏宝公共样式（所有内容页共用）
   主题色：朱红 #C0392B / 暖金 #D4A017
   ============================================= */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --gold:#C9A84C;--gold-light:#E8D5A3;
    --cream:#F5F0E8;--black:#0A0A0A;--white:#FFF;
    --red-deep:#7A1212;
    --warm-bg:#FFF8F0;--warm-card:#FFFFFF;--warm-border:#E8D5C0;
    --warm-accent:#C0392B;--warm-accent2:#96281B;
    --warm-gold:#D4A017;--warm-gold-light:#F0C75E;
    --warm-text:#2C1810;--warm-text-sub:#7A6555;--warm-section:#FDF0E2;
}
html,body{min-height:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Serif SC",serif;background:var(--warm-bg);color:var(--warm-text);overflow-x:hidden;line-height:1.8}

/* ===== NAV (重新设计) ===== */
.top-nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 48px;transition:background .4s,box-shadow .4s,border-color .4s}
/* 内容页默认 warm 风格 */
.top-nav.visible.fixed-dark.warm-style{background:rgba(255,248,240,0.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid #E8D5C0;box-shadow:0 2px 20px rgba(192,57,43,0.06)}
/* 首页 dark 风格（hero 滚动后） */
.top-nav.visible.fixed-dark:not(.warm-style){background:rgba(10,10,10,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(201,168,76,0.15);box-shadow:0 2px 24px rgba(0,0,0,0.4)}

/* 品牌区 */
.nav-brand{text-decoration:none;transition:opacity .35s;display:flex;align-items:center;padding:4px 0}
.nav-brand img.nav-logo{height:36px;width:auto;display:block;transition:opacity .35s}
.nav-brand:hover img.nav-logo{opacity:.8}

/* 导航链接列表 */
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-links>li{position:relative}
.nav-links>li>a{color:var(--warm-text);text-decoration:none;font-size:.88rem;font-weight:500;letter-spacing:2.5px;padding:22px 14px;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);white-space:nowrap;display:block}
/* 导航项底部指示线 */
.nav-links>li>a::after{content:'';position:absolute;bottom:16px;left:50%;transform:translateX(-50%) scaleX(0);width:calc(100% - 28px);height:2.5px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--warm-accent),var(--warm-gold),var(--warm-accent),transparent);transition:transform .35s cubic-bezier(.34,1.56,.64,1)}
.nav-links>li>a:hover{color:var(--warm-accent)}
.nav-links>li>a:hover::after{transform:translateX(-50%) scaleX(1)}

/* dark 模式导航链接 */
.top-nav:not(.warm-style) .nav-links>li>a{color:var(--text-cream)}
.top-nav:not(.warm-style) .nav-links>li>a::after{background:linear-gradient(90deg,transparent,var(--gold),var(--gold-light),var(--gold),transparent)}
.top-nav:not(.warm-style) .nav-links>li>a:hover{color:var(--gold-light)}

/* 首页链接特殊样式（在关于我们后面） */
.nav-home-link{position:relative}
.nav-home-link::before{content:'';position:absolute;left:-2px;top:50%;transform:translateY(-50%);width:1px;height:20px;background:linear-gradient(180deg,transparent,var(--warm-border),transparent);opacity:.6}
.top-nav:not(.warm-style) .nav-home-link::before{background:linear-gradient(180deg,transparent,rgba(201,168,76,.4),transparent)}
.nav-home-link a{font-weight:600 !important;letter-spacing:3px !important}

/* 登录用户名 */
.nav-user{color:var(--warm-accent);font-size:.85rem;margin-right:4px;letter-spacing:1px;cursor:default;font-weight:600;padding:22px 8px 22px 14px;display:block}
.top-nav:not(.warm-style) .nav-user{color:var(--gold-light)}
.nav-admin-link{color:#C0392B !important;font-weight:600 !important}
.top-nav:not(.warm-style) .nav-admin-link{color:#E74C3C !important}

/* 下拉菜单增强 */
.nav-dropdown{position:absolute;top:calc(100% - 4px);left:50%;transform:translateX(-50%);min-width:170px;background:rgba(255,255,255,0.98);border:1px solid #E8D5C0;border-radius:10px;padding:10px 0;opacity:0;visibility:hidden;transform:translateX(-50%) translateY(10px);transition:opacity .3s cubic-bezier(.4,0,.2,1),transform .3s cubic-bezier(.34,1.56,.64,1),visibility .3s;z-index:1001;list-style:none;box-shadow:0 8px 32px rgba(192,57,43,0.08),0 2px 8px rgba(0,0,0,0.04)}
.nav-links>li:hover>.nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
/* 下拉菜单顶部小三角 */
.nav-dropdown::before{content:'';position:absolute;top:-6px;left:50%;transform:translateX(-50%);width:12px;height:12px;background:#fff;border-left:1px solid #E8D5C0;border-top:1px solid #E8D5C0;transform:translateX(-50%) rotate(45deg);border-radius:2px}
.nav-dropdown li a{display:block;padding:11px 24px;color:var(--warm-text);text-decoration:none;font-size:.84rem;letter-spacing:1.5px;white-space:nowrap;transition:all .25s;position:relative}
.nav-dropdown li a::before{content:'';position:absolute;left:12px;top:50%;transform:translateY(-50%);width:0;height:0;border-left:5px solid var(--warm-accent);border-top:4px solid transparent;border-bottom:4px solid transparent;opacity:0;transition:opacity .25s}
.nav-dropdown li a:hover{background:linear-gradient(90deg,rgba(192,57,43,0.04),transparent);color:var(--warm-accent);padding-left:28px}
.nav-dropdown li a:hover::before{opacity:1}

/* dark 模式下拉 */
.top-nav:not(.warm-style) .nav-dropdown{background:rgba(20,16,12,0.97);border-color:rgba(201,168,76,0.2);box-shadow:0 8px 32px rgba(0,0,0,0.3)}
.top-nav:not(.warm-style) .nav-dropdown::before{background:#14100c;border-color:rgba(201,168,76,0.2)}
.top-nav:not(.warm-style) .nav-dropdown li a{color:var(--text-cream)}
.top-nav:not(.warm-style) .nav-dropdown li a::before{border-left-color:var(--gold)}
.top-nav:not(.warm-style) .nav-dropdown li a:hover{background:linear-gradient(90deg,rgba(201,168,76,0.08),transparent);color:var(--gold-light)}

/* ===== PAGE LAYOUT ===== */
.page-wrapper{max-width:1400px;margin:0 auto;padding:88px 48px 60px}
.page-hero{text-align:center;padding:32px 0 20px;position:relative}
.page-hero::after{content:'';display:block;width:80px;height:3px;background:linear-gradient(90deg,transparent,var(--warm-accent),transparent);margin:20px auto 0;border-radius:2px}
.page-hero h1{font-size:2.2rem;font-weight:800;color:#B71C1C;letter-spacing:6px;line-height:1.3}
.page-hero h1 span{color:#D32F2F;font-weight:900}
.page-hero p{font-size:1rem;color:var(--warm-text-sub);letter-spacing:5px;margin-top:10px}

/* ===== BREADCRUMB ===== */
.breadcrumb{font-size:.85rem;color:var(--warm-text-sub);letter-spacing:2px;margin-bottom:20px;display:flex;align-items:center;gap:6px}
.breadcrumb a{color:var(--warm-text-sub);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:var(--warm-accent)}
.breadcrumb span{color:var(--warm-text-sub);opacity:.3;font-size:.8rem;margin:0 2px;user-select:none}
.breadcrumb .bc-current{color:var(--warm-accent);font-weight:700}

/* ===== SIDEBAR LAYOUT ===== */
.sidebar-layout{display:grid;grid-template-columns:220px 1fr;gap:28px;margin-top:24px;align-items:start}
.sidebar-nav{background:var(--warm-card);border:1px solid var(--warm-border);border-radius:12px;padding:20px;box-shadow:0 2px 12px rgba(0,0,0,.04);position:sticky;top:88px}
.sidebar-nav h3{font-size:1rem;font-weight:700;color:var(--warm-accent);letter-spacing:3px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--warm-section)}
.sidebar-nav ul{list-style:none}
.sidebar-nav li{margin-bottom:4px}
.sidebar-nav li a{display:block;padding:10px 16px;color:var(--warm-text-sub);text-decoration:none;font-size:.9rem;letter-spacing:1px;border-radius:8px;transition:all .25s;border-left:3px solid transparent}
.sidebar-nav li a:hover,.sidebar-nav li a.active{background:var(--warm-section);color:var(--warm-accent);border-left-color:var(--warm-accent);padding-left:20px}
.content-area{background:var(--warm-card);border:1px solid var(--warm-border);border-radius:12px;padding:28px;box-shadow:0 2px 12px rgba(0,0,0,.04);min-height:400px}
.content-area-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--warm-section)}
.content-area-header h2{font-size:1.3rem;font-weight:700;color:var(--warm-accent);letter-spacing:3px}

/* ===== DOCUMENT LIST ===== */
.doc-list{list-style:none}
.doc-item{display:flex;align-items:center;justify-content:space-between;padding:14px 12px;border-bottom:1px solid var(--warm-section);cursor:pointer;transition:background .25s,padding-left .25s;border-left:3px solid transparent;border-radius:0 8px 8px 0;gap:12px}
.doc-item:last-child{border-bottom:none}
.doc-item:hover{background:var(--warm-section);padding-left:20px;border-left-color:var(--warm-accent)}
.doc-item.sticky{background:rgba(212,160,23,.06)}
.doc-item.sticky .doc-title a{color:var(--warm-gold)}
.doc-item .sticky-badge{display:inline-block;background:var(--warm-gold);color:#fff;font-size:.68rem;padding:2px 8px;border-radius:4px;letter-spacing:1px;margin-right:8px;vertical-align:middle}
.doc-item .doc-title{flex:1;min-width:0}
.doc-item .doc-title a{text-decoration:none;color:var(--warm-text);font-size:.95rem;font-weight:600;letter-spacing:1px;transition:color .25s;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-item:hover .doc-title a{color:var(--warm-accent)}
.doc-item .doc-date{font-size:.8rem;color:var(--warm-text-sub);white-space:nowrap;letter-spacing:1px}

/* ===== PAGINATION ===== */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;font-size:.88rem;font-weight:600;text-decoration:none;transition:all .25s;letter-spacing:0}
.pagination a{border:1.5px solid var(--warm-border);color:var(--warm-text-sub);background:var(--warm-card)}
.pagination a:hover{border-color:var(--warm-accent);color:var(--warm-accent);background:var(--warm-section)}
.pagination span.current{background:var(--warm-accent);color:#fff;border:1.5px solid var(--warm-accent)}

/* ===== CARD GRID ===== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-top:20px}
.work-card{background:var(--warm-card);border:1.5px solid var(--warm-border);border-radius:12px;padding:20px 16px;cursor:pointer;transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .35s,border-color .3s;position:relative;overflow:hidden}
.work-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 8px 24px rgba(192,57,43,0.12);border-color:var(--warm-accent)}
.work-card .wc-title{font-size:1rem;font-weight:700;color:var(--warm-text);letter-spacing:1px;margin-bottom:8px;line-height:1.4}
.work-card .wc-meta{font-size:.8rem;color:var(--warm-text-sub);letter-spacing:1px;line-height:1.6}
.work-card .wc-actions{display:flex;gap:8px;margin-top:12px}
.work-card .wc-btn{flex:1;padding:6px 0;border:1.5px solid var(--warm-border);border-radius:6px;text-align:center;font-size:.78rem;text-decoration:none;color:var(--warm-text-sub);letter-spacing:1px;transition:all .25s}
.work-card .wc-btn:hover,.work-card .wc-btn.primary{background:var(--warm-accent);border-color:var(--warm-accent);color:#fff}

/* ===== FORM STYLES ===== */
.form-box{background:var(--warm-card);border:1px solid var(--warm-border);border-radius:12px;padding:32px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.form-row{margin-bottom:20px}
.form-row label{display:block;font-size:.85rem;color:var(--warm-text-sub);letter-spacing:2px;margin-bottom:8px;font-weight:500}
.form-row input[type=text],.form-row input[type=email],.form-row input[type=password],.form-row textarea,.form-row select{width:100%;padding:12px 16px;border:1.5px solid var(--warm-border);border-radius:8px;font-size:.95rem;outline:none;transition:all .3s;background:#fff;color:var(--warm-text);font-family:inherit;letter-spacing:1px}
.form-row input:hover,.form-row textarea:hover,.form-row select:hover{border-color:rgba(192,57,43,.3)}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{border-color:var(--warm-accent);box-shadow:0 0 0 3px rgba(192,57,43,.08)}
.form-row textarea{resize:vertical;min-height:120px}
.form-row .hint{font-size:.78rem;color:var(--warm-text-sub);margin-top:6px;letter-spacing:1px}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;background:linear-gradient(135deg,var(--warm-accent),var(--warm-accent2));color:#fff;border:none;border-radius:8px;font-size:.85rem;font-weight:600;letter-spacing:2px;cursor:pointer;transition:all .3s;font-family:inherit;text-decoration:none}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(192,57,43,.3)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;background:transparent;color:var(--warm-accent);border:1.5px solid var(--warm-accent);border-radius:8px;font-size:.85rem;font-weight:600;letter-spacing:2px;cursor:pointer;transition:all .3s;font-family:inherit;text-decoration:none}
.btn-secondary:hover{background:var(--warm-section);transform:translateY(-2px)}
.msg-error{padding:12px 20px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#c0392b;font-size:.9rem;letter-spacing:1px;margin-bottom:16px}
.msg-success{padding:12px 20px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;color:#166534;font-size:.9rem;letter-spacing:1px;margin-bottom:16px}

/* ===== FOOTER ===== */
.warm-footer{text-align:center;padding:32px 20px 24px;color:var(--warm-text-sub);font-size:.85rem;letter-spacing:2px;border-top:1px solid var(--warm-border);margin-top:40px}

/* ===== MODAL ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.modal-overlay.active{opacity:1;visibility:visible}
.modal-box{background:#fff;border-radius:16px;padding:32px;max-width:560px;width:90%;max-height:80vh;overflow-y:auto;position:relative;transform:translateY(20px);transition:transform .3s}
.modal-overlay.active .modal-box{transform:translateY(0)}
.modal-box h3{font-size:1.2rem;font-weight:700;color:var(--warm-accent);letter-spacing:3px;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--warm-section)}
.modal-box .modal-content{font-size:.9rem;line-height:1.8;color:var(--warm-text-sub);max-height:40vh;overflow-y:auto;padding-right:4px;white-space:pre-wrap}
.modal-box .modal-actions{display:flex;gap:12px;margin-top:24px;justify-content:flex-end}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
    .page-wrapper{padding:88px 28px 48px}
    .sidebar-layout{grid-template-columns:1fr}
    .sidebar-nav{position:static;display:flex;gap:0;overflow-x:auto;padding:12px}
    .sidebar-nav h3{display:none}
    .sidebar-nav ul{display:flex;gap:4px;white-space:nowrap}
    .sidebar-nav li{margin:0}
    .sidebar-nav li a{padding:8px 16px;border-left:none;border-bottom:3px solid transparent;border-radius:8px 8px 0 0}
    .sidebar-nav li a:hover,.sidebar-nav li a.active{padding-left:16px;border-bottom-color:var(--warm-accent)}
    .nav-links>li>a{padding:20px 12px;font-size:.82rem}
}
/* 当前页导航高亮（红色） */
.nav-active{color:var(--warm-accent) !important;font-weight:700 !important}
.nav-active::after{content:'';position:absolute;bottom:16px;left:50%;transform:translateX(-50%) scaleX(1) !important;width:calc(100% - 28px);height:2.5px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--warm-accent),var(--warm-gold),var(--warm-accent),transparent)}
.nav-links>li>a.nav-active:hover{color:var(--warm-accent2) !important}
/* dark 模式下当前页导航高亮 */
.top-nav:not(.warm-style) .nav-active{color:var(--gold-light) !important}
.top-nav:not(.warm-style) .nav-active::after{background:linear-gradient(90deg,transparent,var(--gold),var(--gold-light),var(--gold),transparent)}

/* 导航下拉菜单中当前页链接高亮 */
.nav-dropdown li a.nav-active{color:var(--warm-accent);padding-left:28px;background:linear-gradient(90deg,rgba(192,57,43,0.04),transparent)}
.nav-dropdown li a.nav-active::before{opacity:1}
@media(max-width:768px){
    .nav-links{display:none}
}

/* ===== PAGE LAYOUT ===== */